Annotation of embedaddon/bird/proto/rip/config.Y, revision 1.1.1.1
1.1 misho 1: /*
2: * BIRD -- RIP Configuration
3: *
4: * (c) 1998--1999 Pavel Machek <pavel@ucw.cz>
5: * (c) 2004--2013 Ondrej Filip <feela@network.cz>
6: * (c) 2009--2015 Ondrej Zajicek <santiago@crfreenet.org>
7: * (c) 2009--2015 CZ.NIC z.s.p.o.
8: *
9: * Can be freely distributed and used under the terms of the GNU GPL.
10: */
11:
12: CF_HDR
13:
14: #include "proto/rip/rip.h"
15: #include "nest/iface.h"
16:
17: CF_DEFINES
18:
19: #define RIP_CFG ((struct rip_config *) this_proto)
20: #define RIP_IFACE ((struct rip_iface_config *) this_ipatt)
21:
22: static inline int rip_cfg_is_v2(void) { return RIP_CFG->rip2; }
23: static inline int rip_cfg_is_ng(void) { return ! RIP_CFG->rip2; }
24:
25: static inline void
26: rip_check_auth(void)
27: {
28: if (rip_cfg_is_ng())
29: cf_error("Authentication not supported in RIPng");
30: }
31:
32:
33: CF_DECLS
34:
35: CF_KEYWORDS(RIP, ECMP, LIMIT, WEIGHT, INFINITY, METRIC, UPDATE, TIMEOUT,
36: GARBAGE, PORT, ADDRESS, MODE, BROADCAST, MULTICAST, PASSIVE,
37: VERSION, SPLIT, HORIZON, POISON, REVERSE, CHECK, ZERO, TIME, BFD,
38: AUTHENTICATION, NONE, PLAINTEXT, CRYPTOGRAPHIC, MD5, TTL, SECURITY,
39: RX, TX, BUFFER, LENGTH, PRIORITY, ONLY, LINK, RIP_METRIC, RIP_TAG)
40:
41: %type <i> rip_auth
42:
43: CF_GRAMMAR
44:
45: CF_ADDTO(proto, rip_proto)
46:
47: rip_proto_start: proto_start RIP
48: {
49: this_proto = proto_config_new(&proto_rip, $1);
50: init_list(&RIP_CFG->patt_list);
51:
52: RIP_CFG->rip2 = RIP_IS_V2;
53: RIP_CFG->infinity = RIP_DEFAULT_INFINITY;
54:
55: RIP_CFG->min_timeout_time = 60;
56: RIP_CFG->max_garbage_time = 60;
57: };
58:
59: rip_proto_item:
60: proto_item
61: | ECMP bool { RIP_CFG->ecmp = $2 ? RIP_DEFAULT_ECMP_LIMIT : 0; }
62: | ECMP bool LIMIT expr { RIP_CFG->ecmp = $2 ? $4 : 0; if ($4 < 0) cf_error("ECMP limit cannot be negative"); }
63: | INFINITY expr { RIP_CFG->infinity = $2; }
64: | INTERFACE rip_iface
65: ;
66:
67: rip_proto_opts:
68: /* empty */
69: | rip_proto_opts rip_proto_item ';'
70: ;
71:
72: rip_proto:
73: rip_proto_start proto_name '{' rip_proto_opts '}';
74:
75:
76: rip_iface_start:
77: {
78: this_ipatt = cfg_allocz(sizeof(struct rip_iface_config));
79: add_tail(&RIP_CFG->patt_list, NODE this_ipatt);
80: init_list(&this_ipatt->ipn_list);
81: reset_passwords();
82:
83: RIP_IFACE->metric = 1;
84: RIP_IFACE->port = rip_cfg_is_v2() ? RIP_PORT : RIP_NG_PORT;
85: RIP_IFACE->version = rip_cfg_is_v2() ? RIP_V2 : RIP_V1;
86: RIP_IFACE->split_horizon = 1;
87: RIP_IFACE->poison_reverse = 1;
88: RIP_IFACE->check_zero = 1;
89: RIP_IFACE->ttl_security = rip_cfg_is_v2() ? 0 : 1;
90: RIP_IFACE->rx_buffer = rip_cfg_is_v2() ? RIP_MAX_PKT_LENGTH : 0;
91: RIP_IFACE->tx_length = rip_cfg_is_v2() ? RIP_MAX_PKT_LENGTH : 0;
92: RIP_IFACE->tx_tos = IP_PREC_INTERNET_CONTROL;
93: RIP_IFACE->tx_priority = sk_priority_control;
94: RIP_IFACE->update_time = RIP_DEFAULT_UPDATE_TIME;
95: RIP_IFACE->timeout_time = RIP_DEFAULT_TIMEOUT_TIME;
96: RIP_IFACE->garbage_time = RIP_DEFAULT_GARBAGE_TIME;
97: };
98:
99: rip_iface_finish:
100: {
101: /* Default mode is broadcast for RIPv1, multicast for RIPv2 and RIPng */
102: if (!RIP_IFACE->mode)
103: RIP_IFACE->mode = (rip_cfg_is_v2() && (RIP_IFACE->version == RIP_V1)) ?
104: RIP_IM_BROADCAST : RIP_IM_MULTICAST;
105:
106: RIP_IFACE->passwords = get_passwords();
107:
108: if (!RIP_IFACE->auth_type != !RIP_IFACE->passwords)
109: log(L_WARN "Authentication and password options should be used together");
110:
111: if (RIP_IFACE->passwords)
112: {
113: struct password_item *pass;
114: WALK_LIST(pass, *RIP_IFACE->passwords)
115: {
116: if (pass->alg && (RIP_IFACE->auth_type != RIP_AUTH_CRYPTO))
117: cf_error("Password algorithm option requires cryptographic authentication");
118:
119: /* Set default crypto algorithm (MD5) */
120: if (!pass->alg && (RIP_IFACE->auth_type == RIP_AUTH_CRYPTO))
121: pass->alg = ALG_MD5;
122: }
123: }
124:
125: RIP_CFG->min_timeout_time = MIN_(RIP_CFG->min_timeout_time, RIP_IFACE->timeout_time);
126: RIP_CFG->max_garbage_time = MAX_(RIP_CFG->max_garbage_time, RIP_IFACE->garbage_time);
127: };
128:
129: rip_iface_item:
130: METRIC expr { RIP_IFACE->metric = $2; if (($2<1) || ($2>255)) cf_error("Metric must be in range 1-255"); }
131: | MODE MULTICAST { RIP_IFACE->mode = RIP_IM_MULTICAST; }
132: | MODE BROADCAST { RIP_IFACE->mode = RIP_IM_BROADCAST; if (rip_cfg_is_ng()) cf_error("Broadcast not supported in RIPng"); }
133: | PASSIVE bool { RIP_IFACE->passive = $2; }
134: | ADDRESS ipa { RIP_IFACE->address = $2; }
135: | PORT expr { RIP_IFACE->port = $2; if (($2<1) || ($2>65535)) cf_error("Invalid port number"); }
136: | VERSION expr { RIP_IFACE->version = $2;
137: if (rip_cfg_is_ng()) cf_error("Version not supported in RIPng");
138: if (($2 != RIP_V1) && ($2 != RIP_V2)) cf_error("Unsupported version");
139: }
140: | VERSION ONLY bool { RIP_IFACE->version_only = $3; }
141: | SPLIT HORIZON bool { RIP_IFACE->split_horizon = $3; }
142: | POISON REVERSE bool { RIP_IFACE->poison_reverse = $3; }
143: | CHECK ZERO bool { RIP_IFACE->check_zero = $3; }
144: | UPDATE TIME expr { RIP_IFACE->update_time = $3; if ($3<=0) cf_error("Update time must be positive"); }
145: | TIMEOUT TIME expr { RIP_IFACE->timeout_time = $3; if ($3<=0) cf_error("Timeout time must be positive"); }
146: | GARBAGE TIME expr { RIP_IFACE->garbage_time = $3; if ($3<=0) cf_error("Garbage time must be positive"); }
147: | ECMP WEIGHT expr { RIP_IFACE->ecmp_weight = $3 - 1; if (($3<1) || ($3>256)) cf_error("ECMP weight must be in range 1-256"); }
148: | RX BUFFER expr { RIP_IFACE->rx_buffer = $3; if (($3<256) || ($3>65535)) cf_error("RX length must be in range 256-65535"); }
149: | TX LENGTH expr { RIP_IFACE->tx_length = $3; if (($3<256) || ($3>65535)) cf_error("TX length must be in range 256-65535"); }
150: | TX tos { RIP_IFACE->tx_tos = $2; }
151: | TX PRIORITY expr { RIP_IFACE->tx_priority = $3; }
152: | TTL SECURITY bool { RIP_IFACE->ttl_security = $3; }
153: | TTL SECURITY TX ONLY { RIP_IFACE->ttl_security = 2; }
154: | CHECK LINK bool { RIP_IFACE->check_link = $3; }
155: | BFD bool { RIP_IFACE->bfd = $2; cf_check_bfd($2); }
156: | AUTHENTICATION rip_auth { RIP_IFACE->auth_type = $2; if ($2) rip_check_auth(); }
157: | password_list { rip_check_auth(); }
158: ;
159:
160: rip_auth:
161: NONE { $$ = RIP_AUTH_NONE; }
162: | PLAINTEXT { $$ = RIP_AUTH_PLAIN; }
163: | CRYPTOGRAPHIC { $$ = RIP_AUTH_CRYPTO; }
164: | MD5 { $$ = RIP_AUTH_CRYPTO; } /* For backward compatibility */
165: ;
166:
167: rip_iface_opts:
168: /* empty */
169: | rip_iface_opts rip_iface_item ';'
170: ;
171:
172: rip_iface_opt_list:
173: /* empty */
174: | '{' rip_iface_opts '}'
175: ;
176:
177: rip_iface:
178: rip_iface_start iface_patt_list_nopx rip_iface_opt_list rip_iface_finish;
179:
180:
181: CF_ADDTO(dynamic_attr, RIP_METRIC { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_RIP_METRIC); })
182: CF_ADDTO(dynamic_attr, RIP_TAG { $$ = f_new_dynamic_attr(EAF_TYPE_INT | EAF_TEMP, T_INT, EA_RIP_TAG); })
183:
184: CF_CLI_HELP(SHOW RIP, ..., [[Show information about RIP protocol]]);
185:
186: CF_CLI(SHOW RIP INTERFACES, optsym opttext, [<name>] [\"<interface>\"], [[Show information about RIP interfaces]])
187: { rip_show_interfaces(proto_get_named($4, &proto_rip), $5); };
188:
189: CF_CLI(SHOW RIP NEIGHBORS, optsym opttext, [<name>] [\"<interface>\"], [[Show information about RIP neighbors]])
190: { rip_show_neighbors(proto_get_named($4, &proto_rip), $5); };
191:
192:
193: CF_CODE
194:
195: CF_END
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