ipfw/nat64/nat64lsn_control.c

75 nat64lsn_default_config(ipfw_nat64lsn_cfg *uc)
78 	if (uc->max_ports == 0)
79 		uc->max_ports = NAT64LSN_MAX_PORTS;
81 		uc->max_ports = roundup(uc->max_ports, NAT64_CHUNK_SIZE);
82 	if (uc->max_ports > NAT64_CHUNK_SIZE * NAT64LSN_MAXPGPTR)
83 		uc->max_ports = NAT64_CHUNK_SIZE * NAT64LSN_MAXPGPTR;
84 	if (uc->jmaxlen == 0)
85 		uc->jmaxlen = NAT64LSN_JMAXLEN;
86 	if (uc->jmaxlen > 65536)
87 		uc->jmaxlen = 65536;
88 	if (uc->nh_delete_delay == 0)
89 		uc->nh_delete_delay = NAT64LSN_HOST_AGE;
90 	if (uc->pg_delete_delay == 0)
91 		uc->pg_delete_delay = NAT64LSN_PG_AGE;
92 	if (uc->st_syn_ttl == 0)
93 		uc->st_syn_ttl = NAT64LSN_TCP_SYN_AGE;
94 	if (uc->st_close_ttl == 0)
95 		uc->st_close_ttl = NAT64LSN_TCP_FIN_AGE;
96 	if (uc->st_estab_ttl == 0)
97 		uc->st_estab_ttl = NAT64LSN_TCP_EST_AGE;
98 	if (uc->st_udp_ttl == 0)
99 		uc->st_udp_ttl = NAT64LSN_UDP_AGE;
100 	if (uc->st_icmp_ttl == 0)
101 		uc->st_icmp_ttl = NAT64LSN_ICMP_AGE;
116 	ipfw_nat64lsn_cfg *uc;
121 	if (sd->valsize != sizeof(*olh) + sizeof(*uc))
125 	uc = (ipfw_nat64lsn_cfg *)(olh + 1);
127 	if (ipfw_check_object_name_generic(uc->name) != 0)
130 	if (uc->agg_prefix_len > 127 || uc->set >= IPFW_MAX_SETS)
133 	if (uc->plen4 > 32)
135 	if (nat64_check_prefix6(&uc->prefix6, uc->plen6) != 0)
139 	addr4 = ntohl(uc->prefix4.s_addr);
140 	mask4 = ~((1 << (32 - uc->plen4)) - 1);
143 	if (uc->min_port == 0)
144 		uc->min_port = NAT64_MIN_PORT;
145 	if (uc->max_port == 0)
146 		uc->max_port = 65535;
147 	if (uc->min_port > uc->max_port)
149 	uc->min_port = roundup(uc->min_port, NAT64_CHUNK_SIZE);
150 	uc->max_port = roundup(uc->max_port, NAT64_CHUNK_SIZE);
152 	nat64lsn_default_config(uc);
156 	if (nat64lsn_find(ni, uc->name, uc->set) != NULL) {
162 	cfg = nat64lsn_init_instance(ch, 1 << (32 - uc->plen4));
163 	strlcpy(cfg->name, uc->name, sizeof(cfg->name));
166 	cfg->no.set = uc->set;
168 	cfg->base.plat_prefix = uc->prefix6;
169 	cfg->base.plat_plen = uc->plen6;
170 	cfg->base.flags = (uc->flags & NAT64LSN_FLAGSMASK) | NAT64_PLATPFX;
176 	cfg->plen4 = uc->plen4;
178 	cfg->max_chunks = uc->max_ports / NAT64_CHUNK_SIZE;
179 	cfg->agg_prefix_len = uc->agg_prefix_len;
180 	cfg->agg_prefix_max = uc->agg_prefix_max;
182 	cfg->min_chunk = uc->min_port / NAT64_CHUNK_SIZE;
183 	cfg->max_chunk = uc->max_port / NAT64_CHUNK_SIZE;
185 	cfg->jmaxlen = uc->jmaxlen;
186 	cfg->nh_delete_delay = uc->nh_delete_delay;
187 	cfg->pg_delete_delay = uc->pg_delete_delay;
188 	cfg->st_syn_ttl = uc->st_syn_ttl;
189 	cfg->st_close_ttl = uc->st_close_ttl;
190 	cfg->st_estab_ttl = uc->st_estab_ttl;
191 	cfg->st_udp_ttl = uc->st_udp_ttl;
192 	cfg->st_icmp_ttl = uc->st_icmp_ttl;
198 	if (nat64lsn_find(ni, uc->name, uc->set) != NULL) {
311     ipfw_nat64lsn_cfg *uc)
314 	uc->flags = cfg->base.flags & NAT64LSN_FLAGSMASK;
315 	uc->max_ports = cfg->max_chunks * NAT64_CHUNK_SIZE;
316 	uc->agg_prefix_len = cfg->agg_prefix_len;
317 	uc->agg_prefix_max = cfg->agg_prefix_max;
319 	uc->jmaxlen = cfg->jmaxlen;
320 	uc->nh_delete_delay = cfg->nh_delete_delay;
321 	uc->pg_delete_delay = cfg->pg_delete_delay;
322 	uc->st_syn_ttl = cfg->st_syn_ttl;
323 	uc->st_close_ttl = cfg->st_close_ttl;
324 	uc->st_estab_ttl = cfg->st_estab_ttl;
325 	uc->st_udp_ttl = cfg->st_udp_ttl;
326 	uc->st_icmp_ttl = cfg->st_icmp_ttl;
327 	uc->prefix4.s_addr = htonl(cfg->prefix4);
328 	uc->prefix6 = cfg->base.plat_prefix;
329 	uc->plen4 = cfg->plen4;
330 	uc->plen6 = cfg->base.plat_plen;
331 	uc->set = cfg->no.set;
332 	strlcpy(uc->name, cfg->no.name, sizeof(uc->name));
345 	ipfw_nat64lsn_cfg *uc;
347 	uc = (struct _ipfw_nat64lsn_cfg *)ipfw_get_sopt_space(da->sd,
348 	    sizeof(*uc));
349 	nat64lsn_export_config(da->ch, (struct nat64lsn_cfg *)no, uc);
407 	ipfw_nat64lsn_cfg *uc;
411 	if (sd->valsize != sizeof(*oh) + sizeof(*uc))
415 	    sizeof(*oh) + sizeof(*uc));
416 	uc = (ipfw_nat64lsn_cfg *)(oh + 1);
430 		nat64lsn_export_config(ch, cfg, uc);
435 	nat64lsn_default_config(uc);
450 	cfg->max_chunks = uc->max_ports / NAT64_CHUNK_SIZE;
451 	cfg->jmaxlen = uc->jmaxlen;
452 	cfg->nh_delete_delay = uc->nh_delete_delay;
453 	cfg->pg_delete_delay = uc->pg_delete_delay;
454 	cfg->st_syn_ttl = uc->st_syn_ttl;
455 	cfg->st_close_ttl = uc->st_close_ttl;
456 	cfg->st_estab_ttl = uc->st_estab_ttl;
457 	cfg->st_udp_ttl = uc->st_udp_ttl;
458 	cfg->st_icmp_ttl = uc->st_icmp_ttl;
460 	cfg->base.flags |= uc->flags & NAT64LSN_FLAGSMASK;