12 static struct blob_buf b
;
13 static int reload_pipe
[2];
14 struct list_head leases
= LIST_HEAD_INIT(leases
);
15 struct list_head interfaces
= LIST_HEAD_INIT(interfaces
);
16 struct config config
= {false, NULL
, NULL
};
22 IFACE_ATTR_DYNAMICDHCP
,
36 IFACE_ATTR_FILTER_CLASS
,
37 IFACE_ATTR_DHCPV6_RAW
,
38 IFACE_ATTR_RA_DEFAULT
,
39 IFACE_ATTR_RA_MANAGEMENT
,
40 IFACE_ATTR_RA_OFFLINK
,
41 IFACE_ATTR_RA_PREFERENCE
,
42 IFACE_ATTR_RA_ADVROUTER
,
43 IFACE_ATTR_PD_MANAGER
,
45 IFACE_ATTR_NDPROXY_ROUTING
,
46 IFACE_ATTR_NDPROXY_SLAVE
,
50 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
51 [IFACE_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
52 [IFACE_ATTR_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
53 [IFACE_ATTR_NETWORKID
] = { .name
= "networkid", .type
= BLOBMSG_TYPE_STRING
},
54 [IFACE_ATTR_DYNAMICDHCP
] = { .name
= "dynamicdhcp", .type
= BLOBMSG_TYPE_BOOL
},
55 [IFACE_ATTR_IGNORE
] = { .name
= "ignore", .type
= BLOBMSG_TYPE_BOOL
},
56 [IFACE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
57 [IFACE_ATTR_START
] = { .name
= "start", .type
= BLOBMSG_TYPE_INT32
},
58 [IFACE_ATTR_LIMIT
] = { .name
= "limit", .type
= BLOBMSG_TYPE_INT32
},
59 [IFACE_ATTR_MASTER
] = { .name
= "master", .type
= BLOBMSG_TYPE_BOOL
},
60 [IFACE_ATTR_UPSTREAM
] = { .name
= "upstream", .type
= BLOBMSG_TYPE_ARRAY
},
61 [IFACE_ATTR_RA
] = { .name
= "ra", .type
= BLOBMSG_TYPE_STRING
},
62 [IFACE_ATTR_DHCPV4
] = { .name
= "dhcpv4", .type
= BLOBMSG_TYPE_STRING
},
63 [IFACE_ATTR_DHCPV6
] = { .name
= "dhcpv6", .type
= BLOBMSG_TYPE_STRING
},
64 [IFACE_ATTR_NDP
] = { .name
= "ndp", .type
= BLOBMSG_TYPE_STRING
},
65 [IFACE_ATTR_ROUTER
] = { .name
= "router", .type
= BLOBMSG_TYPE_ARRAY
},
66 [IFACE_ATTR_DNS
] = { .name
= "dns", .type
= BLOBMSG_TYPE_ARRAY
},
67 [IFACE_ATTR_DOMAIN
] = { .name
= "domain", .type
= BLOBMSG_TYPE_ARRAY
},
68 [IFACE_ATTR_FILTER_CLASS
] = { .name
= "filter_class", .type
= BLOBMSG_TYPE_STRING
},
69 [IFACE_ATTR_DHCPV6_RAW
] = { .name
= "dhcpv6_raw", .type
= BLOBMSG_TYPE_STRING
},
70 [IFACE_ATTR_PD_MANAGER
] = { .name
= "pd_manager", .type
= BLOBMSG_TYPE_STRING
},
71 [IFACE_ATTR_PD_CER
] = { .name
= "pd_cer", .type
= BLOBMSG_TYPE_STRING
},
72 [IFACE_ATTR_RA_DEFAULT
] = { .name
= "ra_default", .type
= BLOBMSG_TYPE_INT32
},
73 [IFACE_ATTR_RA_MANAGEMENT
] = { .name
= "ra_management", .type
= BLOBMSG_TYPE_INT32
},
74 [IFACE_ATTR_RA_OFFLINK
] = { .name
= "ra_offlink", .type
= BLOBMSG_TYPE_BOOL
},
75 [IFACE_ATTR_RA_PREFERENCE
] = { .name
= "ra_preference", .type
= BLOBMSG_TYPE_STRING
},
76 [IFACE_ATTR_RA_ADVROUTER
] = { .name
= "ra_advrouter", .type
= BLOBMSG_TYPE_BOOL
},
77 [IFACE_ATTR_NDPROXY_ROUTING
] = { .name
= "ndproxy_routing", .type
= BLOBMSG_TYPE_BOOL
},
78 [IFACE_ATTR_NDPROXY_SLAVE
] = { .name
= "ndproxy_slave", .type
= BLOBMSG_TYPE_BOOL
},
81 static const struct uci_blob_param_info iface_attr_info
[IFACE_ATTR_MAX
] = {
82 [IFACE_ATTR_UPSTREAM
] = { .type
= BLOBMSG_TYPE_STRING
},
83 [IFACE_ATTR_DNS
] = { .type
= BLOBMSG_TYPE_STRING
},
84 [IFACE_ATTR_DOMAIN
] = { .type
= BLOBMSG_TYPE_STRING
},
87 const struct uci_blob_param_list interface_attr_list
= {
88 .n_params
= IFACE_ATTR_MAX
,
89 .params
= iface_attrs
,
90 .info
= iface_attr_info
,
104 static const struct blobmsg_policy lease_attrs
[LEASE_ATTR_MAX
] = {
105 [LEASE_ATTR_IP
] = { .name
= "ip", .type
= BLOBMSG_TYPE_STRING
},
106 [LEASE_ATTR_MAC
] = { .name
= "mac", .type
= BLOBMSG_TYPE_STRING
},
107 [LEASE_ATTR_DUID
] = { .name
= "duid", .type
= BLOBMSG_TYPE_STRING
},
108 [LEASE_ATTR_HOSTID
] = { .name
= "hostid", .type
= BLOBMSG_TYPE_STRING
},
109 [LEASE_ATTR_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
113 const struct uci_blob_param_list lease_attr_list
= {
114 .n_params
= LEASE_ATTR_MAX
,
115 .params
= lease_attrs
,
120 ODHCPD_ATTR_MAINDHCP
,
121 ODHCPD_ATTR_LEASEFILE
,
122 ODHCPD_ATTR_LEASETRIGGER
,
127 static const struct blobmsg_policy odhcpd_attrs
[LEASE_ATTR_MAX
] = {
128 [ODHCPD_ATTR_MAINDHCP
] = { .name
= "maindhcp", .type
= BLOBMSG_TYPE_BOOL
},
129 [ODHCPD_ATTR_LEASEFILE
] = { .name
= "leasefile", .type
= BLOBMSG_TYPE_STRING
},
130 [ODHCPD_ATTR_LEASETRIGGER
] = { .name
= "leasetrigger", .type
= BLOBMSG_TYPE_STRING
},
134 const struct uci_blob_param_list odhcpd_attr_list
= {
135 .n_params
= ODHCPD_ATTR_MAX
,
136 .params
= odhcpd_attrs
,
140 static struct interface
* get_interface(const char *name
)
143 list_for_each_entry(c
, &interfaces
, head
)
144 if (!strcmp(c
->name
, name
))
150 static void clean_interface(struct interface
*iface
)
154 free(iface
->upstream
);
155 free(iface
->dhcpv4_router
);
156 free(iface
->dhcpv4_dns
);
157 free(iface
->dhcpv6_raw
);
158 free(iface
->filter_class
);
159 memset(&iface
->ra
, 0, sizeof(*iface
) - offsetof(struct interface
, ra
));
163 static void close_interface(struct interface
*iface
)
165 if (iface
->head
.next
)
166 list_del(&iface
->head
);
168 setup_router_interface(iface
, false);
169 setup_dhcpv6_interface(iface
, false);
170 setup_ndp_interface(iface
, false);
171 setup_dhcpv4_interface(iface
, false);
173 clean_interface(iface
);
178 static int parse_mode(const char *mode
)
180 if (!strcmp(mode
, "disabled")) {
181 return RELAYD_DISABLED
;
182 } else if (!strcmp(mode
, "server")) {
183 return RELAYD_SERVER
;
184 } else if (!strcmp(mode
, "relay")) {
186 } else if (!strcmp(mode
, "hybrid")) {
187 return RELAYD_HYBRID
;
194 static void set_config(struct uci_section
*s
)
196 struct blob_attr
*tb
[ODHCPD_ATTR_MAX
], *c
;
198 blob_buf_init(&b
, 0);
199 uci_to_blob(&b
, s
, &odhcpd_attr_list
);
200 blobmsg_parse(odhcpd_attrs
, ODHCPD_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
202 if ((c
= tb
[ODHCPD_ATTR_MAINDHCP
]))
203 config
.legacy
= blobmsg_get_bool(c
);
205 if ((c
= tb
[ODHCPD_ATTR_LEASEFILE
])) {
206 free(config
.dhcp_statefile
);
207 config
.dhcp_statefile
= strdup(blobmsg_get_string(c
));
210 if ((c
= tb
[ODHCPD_ATTR_LEASETRIGGER
])) {
211 free(config
.dhcp_cb
);
212 config
.dhcp_cb
= strdup(blobmsg_get_string(c
));
217 static int set_lease(struct uci_section
*s
)
219 struct blob_attr
*tb
[LEASE_ATTR_MAX
], *c
;
221 blob_buf_init(&b
, 0);
222 uci_to_blob(&b
, s
, &lease_attr_list
);
223 blobmsg_parse(lease_attrs
, LEASE_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
226 if ((c
= tb
[LEASE_ATTR_NAME
]))
227 hostlen
= blobmsg_data_len(c
);
229 struct lease
*lease
= calloc(1, sizeof(*lease
) + hostlen
);
234 memcpy(lease
->hostname
, blobmsg_get_string(c
), hostlen
);
236 if ((c
= tb
[LEASE_ATTR_IP
]))
237 if (inet_pton(AF_INET
, blobmsg_get_string(c
), &lease
->ipaddr
) < 0)
240 if ((c
= tb
[LEASE_ATTR_MAC
]))
241 if (!ether_aton_r(blobmsg_get_string(c
), &lease
->mac
))
244 if ((c
= tb
[LEASE_ATTR_DUID
])) {
245 size_t duidlen
= (blobmsg_data_len(c
) - 1) / 2;
246 lease
->duid
= malloc(duidlen
);
250 ssize_t len
= odhcpd_unhexlify(lease
->duid
,
251 duidlen
, blobmsg_get_string(c
));
256 lease
->duid_len
= len
;
259 if ((c
= tb
[LEASE_ATTR_HOSTID
])) {
261 lease
->hostid
= strtoul(blobmsg_get_string(c
), NULL
, 16);
266 list_add(&lease
->head
, &leases
);
278 int config_parse_interface(void *data
, size_t len
, const char *name
, bool overwrite
)
280 struct blob_attr
*tb
[IFACE_ATTR_MAX
], *c
;
281 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, data
, len
);
283 if (tb
[IFACE_ATTR_INTERFACE
])
284 name
= blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]);
289 struct interface
*iface
= get_interface(name
);
291 iface
= calloc(1, sizeof(*iface
));
295 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
296 list_add(&iface
->head
, &interfaces
);
300 const char *ifname
= NULL
;
302 if (overwrite
|| !iface
->ifname
[0])
303 ifname
= ubus_get_ifname(name
);
307 if ((c
= tb
[IFACE_ATTR_IFNAME
]))
308 ifname
= blobmsg_get_string(c
);
309 else if ((c
= tb
[IFACE_ATTR_NETWORKID
]))
310 ifname
= blobmsg_get_string(c
);
313 if (!iface
->ifname
[0] && !ifname
)
317 strncpy(iface
->ifname
, ifname
, sizeof(iface
->ifname
) - 1);
319 if ((iface
->ifindex
= if_nametoindex(iface
->ifname
)) <= 0)
324 if ((c
= tb
[IFACE_ATTR_DYNAMICDHCP
]))
325 iface
->no_dynamic_dhcp
= !blobmsg_get_bool(c
);
327 if (overwrite
&& (c
= tb
[IFACE_ATTR_IGNORE
]))
328 iface
->ignore
= blobmsg_get_bool(c
);
330 if ((c
= tb
[IFACE_ATTR_LEASETIME
])) {
331 char *val
= blobmsg_get_string(c
), *endptr
;
332 double time
= strtod(val
, &endptr
);
333 if (time
&& endptr
[0]) {
334 if (endptr
[0] == 's')
336 else if (endptr
[0] == 'm')
338 else if (endptr
[0] == 'h')
340 else if (endptr
[0] == 'd')
342 else if (endptr
[0] == 'w')
343 time
*= 7 * 24 * 3600;
349 iface
->dhcpv4_leasetime
= time
;
352 if ((c
= tb
[IFACE_ATTR_START
])) {
353 iface
->dhcpv4_start
.s_addr
= htonl(blobmsg_get_u32(c
));
356 iface
->dhcpv4
= RELAYD_SERVER
;
359 if ((c
= tb
[IFACE_ATTR_LIMIT
]))
360 iface
->dhcpv4_end
.s_addr
= htonl(
361 ntohl(iface
->dhcpv4_start
.s_addr
) + blobmsg_get_u32(c
));
363 if ((c
= tb
[IFACE_ATTR_MASTER
]))
364 iface
->master
= blobmsg_get_bool(c
);
366 if (overwrite
&& (c
= tb
[IFACE_ATTR_UPSTREAM
])) {
367 struct blob_attr
*cur
;
370 blobmsg_for_each_attr(cur
, c
, rem
) {
371 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
374 iface
->upstream
= realloc(iface
->upstream
,
375 iface
->upstream_len
+ blobmsg_data_len(cur
));
376 if (!iface
->upstream
)
379 memcpy(iface
->upstream
+ iface
->upstream_len
, blobmsg_get_string(cur
), blobmsg_data_len(cur
));
380 iface
->upstream_len
+= blobmsg_data_len(cur
);
385 if ((c
= tb
[IFACE_ATTR_RA
])) {
386 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
392 if ((c
= tb
[IFACE_ATTR_DHCPV4
])) {
393 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
394 iface
->dhcpv4
= mode
;
399 if ((c
= tb
[IFACE_ATTR_DHCPV6
])) {
400 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
401 iface
->dhcpv6
= mode
;
406 if ((c
= tb
[IFACE_ATTR_NDP
])) {
407 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
413 if ((c
= tb
[IFACE_ATTR_ROUTER
])) {
414 struct blob_attr
*cur
;
417 blobmsg_for_each_attr(cur
, c
, rem
) {
418 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
421 struct in_addr addr4
;
422 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
423 iface
->dhcpv4_router
= realloc(iface
->dhcpv4_router
,
424 (++iface
->dhcpv4_router_cnt
) * sizeof(*iface
->dhcpv4_router
));
425 if (!iface
->dhcpv4_router
)
428 iface
->dhcpv4_router
[iface
->dhcpv4_router_cnt
- 1] = addr4
;
435 if ((c
= tb
[IFACE_ATTR_DNS
])) {
436 struct blob_attr
*cur
;
439 iface
->always_rewrite_dns
= true;
440 blobmsg_for_each_attr(cur
, c
, rem
) {
441 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
444 struct in_addr addr4
;
445 struct in6_addr addr6
;
446 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
447 iface
->dhcpv4_dns
= realloc(iface
->dhcpv4_dns
,
448 (++iface
->dhcpv4_dns_cnt
) * sizeof(*iface
->dhcpv4_dns
));
449 if (!iface
->dhcpv4_dns
)
452 iface
->dhcpv4_dns
[iface
->dhcpv4_dns_cnt
- 1] = addr4
;
453 } else if (inet_pton(AF_INET6
, blobmsg_get_string(cur
), &addr6
) == 1) {
454 iface
->dns
= realloc(iface
->dns
,
455 (++iface
->dns_cnt
) * sizeof(*iface
->dns
));
459 iface
->dns
[iface
->dns_cnt
- 1] = addr6
;
466 if ((c
= tb
[IFACE_ATTR_DOMAIN
])) {
467 struct blob_attr
*cur
;
470 blobmsg_for_each_attr(cur
, c
, rem
) {
471 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
475 char *domain
= blobmsg_get_string(cur
);
476 size_t domainlen
= strlen(domain
);
477 if (domainlen
> 0 && domain
[domainlen
- 1] == '.')
478 domain
[domainlen
- 1] = 0;
480 int len
= dn_comp(domain
, buf
, sizeof(buf
), NULL
, NULL
);
484 iface
->search
= realloc(iface
->search
, iface
->search_len
+ len
);
488 memcpy(&iface
->search
[iface
->search_len
], buf
, len
);
489 iface
->search_len
+= len
;
493 if ((c
= tb
[IFACE_ATTR_FILTER_CLASS
])) {
494 iface
->filter_class
= realloc(iface
->filter_class
, blobmsg_data_len(c
) + 1);
495 memcpy(iface
->filter_class
, blobmsg_get_string(c
), blobmsg_data_len(c
) + 1);
498 if ((c
= tb
[IFACE_ATTR_DHCPV6_RAW
])) {
499 iface
->dhcpv6_raw_len
= blobmsg_data_len(c
) / 2;
500 iface
->dhcpv6_raw
= realloc(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
);
501 odhcpd_unhexlify(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
, blobmsg_get_string(c
));
504 if ((c
= tb
[IFACE_ATTR_RA_DEFAULT
]))
505 iface
->default_router
= blobmsg_get_u32(c
);
507 if ((c
= tb
[IFACE_ATTR_RA_MANAGEMENT
]))
508 iface
->managed
= blobmsg_get_u32(c
);
512 if ((c
= tb
[IFACE_ATTR_RA_OFFLINK
]))
513 iface
->ra_not_onlink
= blobmsg_get_bool(c
);
515 if ((c
= tb
[IFACE_ATTR_RA_ADVROUTER
]))
516 iface
->ra_advrouter
= blobmsg_get_bool(c
);
518 if ((c
= tb
[IFACE_ATTR_RA_PREFERENCE
])) {
519 const char *prio
= blobmsg_get_string(c
);
521 if (!strcmp(prio
, "high"))
522 iface
->route_preference
= 1;
523 else if (!strcmp(prio
, "low"))
524 iface
->route_preference
= -1;
525 else if (!strcmp(prio
, "medium") || !strcmp(prio
, "default"))
526 iface
->route_preference
= 0;
531 if ((c
= tb
[IFACE_ATTR_PD_MANAGER
]))
532 strncpy(iface
->dhcpv6_pd_manager
, blobmsg_get_string(c
),
533 sizeof(iface
->dhcpv6_pd_manager
) - 1);
535 if ((c
= tb
[IFACE_ATTR_PD_CER
]) &&
536 inet_pton(AF_INET6
, blobmsg_get_string(c
), &iface
->dhcpv6_pd_cer
) < 1)
539 if ((c
= tb
[IFACE_ATTR_NDPROXY_ROUTING
]))
540 iface
->learn_routes
= blobmsg_get_bool(c
);
542 iface
->learn_routes
= true;
544 if ((c
= tb
[IFACE_ATTR_NDPROXY_SLAVE
]))
545 iface
->external
= blobmsg_get_bool(c
);
550 close_interface(iface
);
554 static int set_interface(struct uci_section
*s
)
556 blob_buf_init(&b
, 0);
557 uci_to_blob(&b
, s
, &interface_attr_list
);
558 return config_parse_interface(blob_data(b
.head
), blob_len(b
.head
), s
->e
.name
, true);
562 void odhcpd_reload(void)
564 struct uci_context
*uci
= uci_alloc_context();
565 while (!list_empty(&leases
)) {
566 struct lease
*l
= list_first_entry(&leases
, struct lease
, head
);
572 struct interface
*master
= NULL
, *i
, *n
;
577 list_for_each_entry(i
, &interfaces
, head
)
580 struct uci_package
*dhcp
= NULL
;
581 if (!uci_load(uci
, "dhcp", &dhcp
)) {
582 struct uci_element
*e
;
583 uci_foreach_element(&dhcp
->sections
, e
) {
584 struct uci_section
*s
= uci_to_section(e
);
585 if (!strcmp(s
->type
, "host"))
587 else if (!strcmp(s
->type
, "odhcpd"))
591 uci_foreach_element(&dhcp
->sections
, e
) {
592 struct uci_section
*s
= uci_to_section(e
);
593 if (!strcmp(s
->type
, "dhcp"))
600 ubus_apply_network();
603 bool any_dhcpv6_slave
= false, any_ra_slave
= false, any_ndp_slave
= false;
606 list_for_each_entry(i
, &interfaces
, head
) {
610 if (i
->dhcpv6
== RELAYD_HYBRID
|| i
->dhcpv6
== RELAYD_RELAY
)
611 any_dhcpv6_slave
= true;
613 if (i
->ra
== RELAYD_HYBRID
|| i
->ra
== RELAYD_RELAY
)
616 if (i
->ndp
== RELAYD_HYBRID
|| i
->ndp
== RELAYD_RELAY
)
617 any_ndp_slave
= true;
620 // Evaluate hybrid mode for master
621 list_for_each_entry(i
, &interfaces
, head
) {
625 enum odhcpd_mode hybrid_mode
= RELAYD_DISABLED
;
627 if (!ubus_has_prefix(i
->name
, i
->ifname
))
628 hybrid_mode
= RELAYD_RELAY
;
631 if (i
->dhcpv6
== RELAYD_HYBRID
)
632 i
->dhcpv6
= hybrid_mode
;
634 if (i
->dhcpv6
== RELAYD_RELAY
&& !any_dhcpv6_slave
)
635 i
->dhcpv6
= RELAYD_DISABLED
;
637 if (i
->ra
== RELAYD_HYBRID
)
640 if (i
->ra
== RELAYD_RELAY
&& !any_ra_slave
)
641 i
->ra
= RELAYD_DISABLED
;
643 if (i
->ndp
== RELAYD_HYBRID
)
644 i
->ndp
= hybrid_mode
;
646 if (i
->ndp
== RELAYD_RELAY
&& !any_ndp_slave
)
647 i
->ndp
= RELAYD_DISABLED
;
649 if (i
->dhcpv6
== RELAYD_RELAY
|| i
->ra
== RELAYD_RELAY
|| i
->ndp
== RELAYD_RELAY
)
654 list_for_each_entry_safe(i
, n
, &interfaces
, head
) {
656 // Resolve hybrid mode
657 if (i
->dhcpv6
== RELAYD_HYBRID
)
658 i
->dhcpv6
= (master
&& master
->dhcpv6
== RELAYD_RELAY
) ?
659 RELAYD_RELAY
: RELAYD_SERVER
;
661 if (i
->ra
== RELAYD_HYBRID
)
662 i
->ra
= (master
&& master
->ra
== RELAYD_RELAY
) ?
663 RELAYD_RELAY
: RELAYD_SERVER
;
665 if (i
->ndp
== RELAYD_HYBRID
)
666 i
->ndp
= (master
&& master
->ndp
== RELAYD_RELAY
) ?
667 RELAYD_RELAY
: RELAYD_DISABLED
;
669 setup_router_interface(i
, true);
670 setup_dhcpv6_interface(i
, true);
671 setup_ndp_interface(i
, true);
672 setup_dhcpv4_interface(i
, true);
678 uci_unload(uci
, dhcp
);
679 uci_free_context(uci
);
683 static void handle_signal(int signal
)
687 if (signal
== SIGHUP
) {
688 if (write(reload_pipe
[1], b
, sizeof(b
)) < 0) {}
695 static void reload_cb(struct uloop_fd
*u
, _unused
unsigned int events
)
698 if (read(u
->fd
, b
, sizeof(b
) < 0)) {}
702 static struct uloop_fd reload_fd
= { .cb
= reload_cb
};
704 void odhcpd_run(void)
706 if (pipe2(reload_pipe
, O_NONBLOCK
| O_CLOEXEC
) < 0) {}
707 reload_fd
.fd
= reload_pipe
[0];
708 uloop_fd_add(&reload_fd
, ULOOP_READ
);
710 signal(SIGTERM
, handle_signal
);
711 signal(SIGINT
, handle_signal
);
712 signal(SIGHUP
, handle_signal
);
722 while (!list_empty(&interfaces
))
723 close_interface(list_first_entry(&interfaces
, struct interface
, head
));