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_RA_MAXINTERVAL
,
44 IFACE_ATTR_PD_MANAGER
,
46 IFACE_ATTR_NDPROXY_ROUTING
,
47 IFACE_ATTR_NDPROXY_SLAVE
,
51 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
52 [IFACE_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
53 [IFACE_ATTR_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
54 [IFACE_ATTR_NETWORKID
] = { .name
= "networkid", .type
= BLOBMSG_TYPE_STRING
},
55 [IFACE_ATTR_DYNAMICDHCP
] = { .name
= "dynamicdhcp", .type
= BLOBMSG_TYPE_BOOL
},
56 [IFACE_ATTR_IGNORE
] = { .name
= "ignore", .type
= BLOBMSG_TYPE_BOOL
},
57 [IFACE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
58 [IFACE_ATTR_START
] = { .name
= "start", .type
= BLOBMSG_TYPE_INT32
},
59 [IFACE_ATTR_LIMIT
] = { .name
= "limit", .type
= BLOBMSG_TYPE_INT32
},
60 [IFACE_ATTR_MASTER
] = { .name
= "master", .type
= BLOBMSG_TYPE_BOOL
},
61 [IFACE_ATTR_UPSTREAM
] = { .name
= "upstream", .type
= BLOBMSG_TYPE_ARRAY
},
62 [IFACE_ATTR_RA
] = { .name
= "ra", .type
= BLOBMSG_TYPE_STRING
},
63 [IFACE_ATTR_DHCPV4
] = { .name
= "dhcpv4", .type
= BLOBMSG_TYPE_STRING
},
64 [IFACE_ATTR_DHCPV6
] = { .name
= "dhcpv6", .type
= BLOBMSG_TYPE_STRING
},
65 [IFACE_ATTR_NDP
] = { .name
= "ndp", .type
= BLOBMSG_TYPE_STRING
},
66 [IFACE_ATTR_ROUTER
] = { .name
= "router", .type
= BLOBMSG_TYPE_ARRAY
},
67 [IFACE_ATTR_DNS
] = { .name
= "dns", .type
= BLOBMSG_TYPE_ARRAY
},
68 [IFACE_ATTR_DOMAIN
] = { .name
= "domain", .type
= BLOBMSG_TYPE_ARRAY
},
69 [IFACE_ATTR_FILTER_CLASS
] = { .name
= "filter_class", .type
= BLOBMSG_TYPE_STRING
},
70 [IFACE_ATTR_DHCPV6_RAW
] = { .name
= "dhcpv6_raw", .type
= BLOBMSG_TYPE_STRING
},
71 [IFACE_ATTR_PD_MANAGER
] = { .name
= "pd_manager", .type
= BLOBMSG_TYPE_STRING
},
72 [IFACE_ATTR_PD_CER
] = { .name
= "pd_cer", .type
= BLOBMSG_TYPE_STRING
},
73 [IFACE_ATTR_RA_DEFAULT
] = { .name
= "ra_default", .type
= BLOBMSG_TYPE_INT32
},
74 [IFACE_ATTR_RA_MANAGEMENT
] = { .name
= "ra_management", .type
= BLOBMSG_TYPE_INT32
},
75 [IFACE_ATTR_RA_OFFLINK
] = { .name
= "ra_offlink", .type
= BLOBMSG_TYPE_BOOL
},
76 [IFACE_ATTR_RA_PREFERENCE
] = { .name
= "ra_preference", .type
= BLOBMSG_TYPE_STRING
},
77 [IFACE_ATTR_RA_ADVROUTER
] = { .name
= "ra_advrouter", .type
= BLOBMSG_TYPE_BOOL
},
78 [IFACE_ATTR_RA_MAXINTERVAL
] = { .name
= "ra_maxinterval", .type
= BLOBMSG_TYPE_INT32
},
79 [IFACE_ATTR_NDPROXY_ROUTING
] = { .name
= "ndproxy_routing", .type
= BLOBMSG_TYPE_BOOL
},
80 [IFACE_ATTR_NDPROXY_SLAVE
] = { .name
= "ndproxy_slave", .type
= BLOBMSG_TYPE_BOOL
},
83 static const struct uci_blob_param_info iface_attr_info
[IFACE_ATTR_MAX
] = {
84 [IFACE_ATTR_UPSTREAM
] = { .type
= BLOBMSG_TYPE_STRING
},
85 [IFACE_ATTR_DNS
] = { .type
= BLOBMSG_TYPE_STRING
},
86 [IFACE_ATTR_DOMAIN
] = { .type
= BLOBMSG_TYPE_STRING
},
89 const struct uci_blob_param_list interface_attr_list
= {
90 .n_params
= IFACE_ATTR_MAX
,
91 .params
= iface_attrs
,
92 .info
= iface_attr_info
,
101 LEASE_ATTR_LEASETIME
,
107 static const struct blobmsg_policy lease_attrs
[LEASE_ATTR_MAX
] = {
108 [LEASE_ATTR_IP
] = { .name
= "ip", .type
= BLOBMSG_TYPE_STRING
},
109 [LEASE_ATTR_MAC
] = { .name
= "mac", .type
= BLOBMSG_TYPE_STRING
},
110 [LEASE_ATTR_DUID
] = { .name
= "duid", .type
= BLOBMSG_TYPE_STRING
},
111 [LEASE_ATTR_HOSTID
] = { .name
= "hostid", .type
= BLOBMSG_TYPE_STRING
},
112 [LEASE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
113 [LEASE_ATTR_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
117 const struct uci_blob_param_list lease_attr_list
= {
118 .n_params
= LEASE_ATTR_MAX
,
119 .params
= lease_attrs
,
124 ODHCPD_ATTR_MAINDHCP
,
125 ODHCPD_ATTR_LEASEFILE
,
126 ODHCPD_ATTR_LEASETRIGGER
,
131 static const struct blobmsg_policy odhcpd_attrs
[LEASE_ATTR_MAX
] = {
132 [ODHCPD_ATTR_MAINDHCP
] = { .name
= "maindhcp", .type
= BLOBMSG_TYPE_BOOL
},
133 [ODHCPD_ATTR_LEASEFILE
] = { .name
= "leasefile", .type
= BLOBMSG_TYPE_STRING
},
134 [ODHCPD_ATTR_LEASETRIGGER
] = { .name
= "leasetrigger", .type
= BLOBMSG_TYPE_STRING
},
138 const struct uci_blob_param_list odhcpd_attr_list
= {
139 .n_params
= ODHCPD_ATTR_MAX
,
140 .params
= odhcpd_attrs
,
144 static struct interface
* get_interface(const char *name
)
147 list_for_each_entry(c
, &interfaces
, head
)
148 if (!strcmp(c
->name
, name
))
154 static void clean_interface(struct interface
*iface
)
158 free(iface
->upstream
);
159 free(iface
->dhcpv4_router
);
160 free(iface
->dhcpv4_dns
);
161 free(iface
->dhcpv6_raw
);
162 free(iface
->filter_class
);
163 memset(&iface
->ra
, 0, sizeof(*iface
) - offsetof(struct interface
, ra
));
167 static void close_interface(struct interface
*iface
)
169 if (iface
->head
.next
)
170 list_del(&iface
->head
);
172 setup_router_interface(iface
, false);
173 setup_dhcpv6_interface(iface
, false);
174 setup_ndp_interface(iface
, false);
175 setup_dhcpv4_interface(iface
, false);
177 clean_interface(iface
);
182 static int parse_mode(const char *mode
)
184 if (!strcmp(mode
, "disabled")) {
185 return RELAYD_DISABLED
;
186 } else if (!strcmp(mode
, "server")) {
187 return RELAYD_SERVER
;
188 } else if (!strcmp(mode
, "relay")) {
190 } else if (!strcmp(mode
, "hybrid")) {
191 return RELAYD_HYBRID
;
198 static void set_config(struct uci_section
*s
)
200 struct blob_attr
*tb
[ODHCPD_ATTR_MAX
], *c
;
202 blob_buf_init(&b
, 0);
203 uci_to_blob(&b
, s
, &odhcpd_attr_list
);
204 blobmsg_parse(odhcpd_attrs
, ODHCPD_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
206 if ((c
= tb
[ODHCPD_ATTR_MAINDHCP
]))
207 config
.legacy
= blobmsg_get_bool(c
);
209 if ((c
= tb
[ODHCPD_ATTR_LEASEFILE
])) {
210 free(config
.dhcp_statefile
);
211 config
.dhcp_statefile
= strdup(blobmsg_get_string(c
));
214 if ((c
= tb
[ODHCPD_ATTR_LEASETRIGGER
])) {
215 free(config
.dhcp_cb
);
216 config
.dhcp_cb
= strdup(blobmsg_get_string(c
));
220 static double parse_leasetime(struct blob_attr
*c
) {
221 char *val
= blobmsg_get_string(c
), *endptr
= NULL
;
222 double time
= strcmp(val
, "infinite") ? strtod(val
, &endptr
) : UINT32_MAX
;
224 if (time
&& endptr
&& endptr
[0]) {
225 if (endptr
[0] == 's')
227 else if (endptr
[0] == 'm')
229 else if (endptr
[0] == 'h')
231 else if (endptr
[0] == 'd')
233 else if (endptr
[0] == 'w')
234 time
*= 7 * 24 * 3600;
248 static int set_lease(struct uci_section
*s
)
250 struct blob_attr
*tb
[LEASE_ATTR_MAX
], *c
;
252 blob_buf_init(&b
, 0);
253 uci_to_blob(&b
, s
, &lease_attr_list
);
254 blobmsg_parse(lease_attrs
, LEASE_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
257 if ((c
= tb
[LEASE_ATTR_NAME
]))
258 hostlen
= blobmsg_data_len(c
);
260 struct lease
*lease
= calloc(1, sizeof(*lease
) + hostlen
);
265 memcpy(lease
->hostname
, blobmsg_get_string(c
), hostlen
);
267 if ((c
= tb
[LEASE_ATTR_IP
]))
268 if (inet_pton(AF_INET
, blobmsg_get_string(c
), &lease
->ipaddr
) < 0)
271 if ((c
= tb
[LEASE_ATTR_MAC
]))
272 if (!ether_aton_r(blobmsg_get_string(c
), &lease
->mac
))
275 if ((c
= tb
[LEASE_ATTR_DUID
])) {
276 size_t duidlen
= (blobmsg_data_len(c
) - 1) / 2;
277 lease
->duid
= malloc(duidlen
);
281 ssize_t len
= odhcpd_unhexlify(lease
->duid
,
282 duidlen
, blobmsg_get_string(c
));
287 lease
->duid_len
= len
;
290 if ((c
= tb
[LEASE_ATTR_HOSTID
])) {
292 lease
->hostid
= strtoul(blobmsg_get_string(c
), NULL
, 16);
297 if ((c
= tb
[LEASE_ATTR_LEASETIME
])) {
298 double time
= parse_leasetime(c
);
303 lease
->dhcpv4_leasetime
= time
;
306 list_add(&lease
->head
, &leases
);
318 int config_parse_interface(void *data
, size_t len
, const char *name
, bool overwrite
)
320 struct blob_attr
*tb
[IFACE_ATTR_MAX
], *c
;
321 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, data
, len
);
323 if (tb
[IFACE_ATTR_INTERFACE
])
324 name
= blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]);
329 struct interface
*iface
= get_interface(name
);
331 iface
= calloc(1, sizeof(*iface
));
335 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
337 /* Default settings */
339 iface
->learn_routes
= true;
341 list_add(&iface
->head
, &interfaces
);
345 const char *ifname
= NULL
;
347 if ((c
= tb
[IFACE_ATTR_IFNAME
]))
348 ifname
= blobmsg_get_string(c
);
349 else if ((c
= tb
[IFACE_ATTR_NETWORKID
]))
350 ifname
= blobmsg_get_string(c
);
354 if (overwrite
|| !iface
->ifname
[0])
355 ifname
= ubus_get_ifname(name
);
358 if (!iface
->ifname
[0] && !ifname
)
362 strncpy(iface
->ifname
, ifname
, sizeof(iface
->ifname
) - 1);
364 if ((iface
->ifindex
= if_nametoindex(iface
->ifname
)) <= 0)
369 if ((c
= tb
[IFACE_ATTR_DYNAMICDHCP
]))
370 iface
->no_dynamic_dhcp
= !blobmsg_get_bool(c
);
372 if (overwrite
&& (c
= tb
[IFACE_ATTR_IGNORE
]))
373 iface
->ignore
= blobmsg_get_bool(c
);
375 if ((c
= tb
[IFACE_ATTR_LEASETIME
])) {
376 double time
= parse_leasetime(c
);
381 iface
->dhcpv4_leasetime
= time
;
384 if ((c
= tb
[IFACE_ATTR_START
])) {
385 iface
->dhcpv4_start
.s_addr
= htonl(blobmsg_get_u32(c
));
388 iface
->dhcpv4
= RELAYD_SERVER
;
391 if ((c
= tb
[IFACE_ATTR_LIMIT
]))
392 iface
->dhcpv4_end
.s_addr
= htonl(
393 ntohl(iface
->dhcpv4_start
.s_addr
) + blobmsg_get_u32(c
));
395 if ((c
= tb
[IFACE_ATTR_MASTER
]))
396 iface
->master
= blobmsg_get_bool(c
);
398 if (overwrite
&& (c
= tb
[IFACE_ATTR_UPSTREAM
])) {
399 struct blob_attr
*cur
;
402 blobmsg_for_each_attr(cur
, c
, rem
) {
403 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
406 iface
->upstream
= realloc(iface
->upstream
,
407 iface
->upstream_len
+ blobmsg_data_len(cur
));
408 if (!iface
->upstream
)
411 memcpy(iface
->upstream
+ iface
->upstream_len
, blobmsg_get_string(cur
), blobmsg_data_len(cur
));
412 iface
->upstream_len
+= blobmsg_data_len(cur
);
417 if ((c
= tb
[IFACE_ATTR_RA
])) {
418 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
424 if ((c
= tb
[IFACE_ATTR_DHCPV4
])) {
425 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
426 iface
->dhcpv4
= mode
;
431 if ((c
= tb
[IFACE_ATTR_DHCPV6
])) {
432 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
433 iface
->dhcpv6
= mode
;
438 if ((c
= tb
[IFACE_ATTR_NDP
])) {
439 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
445 if ((c
= tb
[IFACE_ATTR_ROUTER
])) {
446 struct blob_attr
*cur
;
449 blobmsg_for_each_attr(cur
, c
, rem
) {
450 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
453 struct in_addr addr4
;
454 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
455 iface
->dhcpv4_router
= realloc(iface
->dhcpv4_router
,
456 (++iface
->dhcpv4_router_cnt
) * sizeof(*iface
->dhcpv4_router
));
457 if (!iface
->dhcpv4_router
)
460 iface
->dhcpv4_router
[iface
->dhcpv4_router_cnt
- 1] = addr4
;
467 if ((c
= tb
[IFACE_ATTR_DNS
])) {
468 struct blob_attr
*cur
;
471 iface
->always_rewrite_dns
= true;
472 blobmsg_for_each_attr(cur
, c
, rem
) {
473 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
476 struct in_addr addr4
;
477 struct in6_addr addr6
;
478 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
479 iface
->dhcpv4_dns
= realloc(iface
->dhcpv4_dns
,
480 (++iface
->dhcpv4_dns_cnt
) * sizeof(*iface
->dhcpv4_dns
));
481 if (!iface
->dhcpv4_dns
)
484 iface
->dhcpv4_dns
[iface
->dhcpv4_dns_cnt
- 1] = addr4
;
485 } else if (inet_pton(AF_INET6
, blobmsg_get_string(cur
), &addr6
) == 1) {
486 iface
->dns
= realloc(iface
->dns
,
487 (++iface
->dns_cnt
) * sizeof(*iface
->dns
));
491 iface
->dns
[iface
->dns_cnt
- 1] = addr6
;
498 if ((c
= tb
[IFACE_ATTR_DOMAIN
])) {
499 struct blob_attr
*cur
;
502 blobmsg_for_each_attr(cur
, c
, rem
) {
503 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
507 char *domain
= blobmsg_get_string(cur
);
508 size_t domainlen
= strlen(domain
);
509 if (domainlen
> 0 && domain
[domainlen
- 1] == '.')
510 domain
[domainlen
- 1] = 0;
512 int len
= dn_comp(domain
, buf
, sizeof(buf
), NULL
, NULL
);
516 iface
->search
= realloc(iface
->search
, iface
->search_len
+ len
);
520 memcpy(&iface
->search
[iface
->search_len
], buf
, len
);
521 iface
->search_len
+= len
;
525 if ((c
= tb
[IFACE_ATTR_FILTER_CLASS
])) {
526 iface
->filter_class
= realloc(iface
->filter_class
, blobmsg_data_len(c
) + 1);
527 memcpy(iface
->filter_class
, blobmsg_get_string(c
), blobmsg_data_len(c
) + 1);
530 if ((c
= tb
[IFACE_ATTR_DHCPV6_RAW
])) {
531 iface
->dhcpv6_raw_len
= blobmsg_data_len(c
) / 2;
532 iface
->dhcpv6_raw
= realloc(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
);
533 odhcpd_unhexlify(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
, blobmsg_get_string(c
));
536 if ((c
= tb
[IFACE_ATTR_RA_DEFAULT
]))
537 iface
->default_router
= blobmsg_get_u32(c
);
539 if ((c
= tb
[IFACE_ATTR_RA_MANAGEMENT
]))
540 iface
->managed
= blobmsg_get_u32(c
);
542 if ((c
= tb
[IFACE_ATTR_RA_OFFLINK
]))
543 iface
->ra_not_onlink
= blobmsg_get_bool(c
);
545 if ((c
= tb
[IFACE_ATTR_RA_ADVROUTER
]))
546 iface
->ra_advrouter
= blobmsg_get_bool(c
);
548 if ((c
= tb
[IFACE_ATTR_RA_MAXINTERVAL
]))
549 iface
->ra_maxinterval
= blobmsg_get_u32(c
);
551 if ((c
= tb
[IFACE_ATTR_RA_PREFERENCE
])) {
552 const char *prio
= blobmsg_get_string(c
);
554 if (!strcmp(prio
, "high"))
555 iface
->route_preference
= 1;
556 else if (!strcmp(prio
, "low"))
557 iface
->route_preference
= -1;
558 else if (!strcmp(prio
, "medium") || !strcmp(prio
, "default"))
559 iface
->route_preference
= 0;
564 if ((c
= tb
[IFACE_ATTR_PD_MANAGER
]))
565 strncpy(iface
->dhcpv6_pd_manager
, blobmsg_get_string(c
),
566 sizeof(iface
->dhcpv6_pd_manager
) - 1);
568 if ((c
= tb
[IFACE_ATTR_PD_CER
]) &&
569 inet_pton(AF_INET6
, blobmsg_get_string(c
), &iface
->dhcpv6_pd_cer
) < 1)
572 if ((c
= tb
[IFACE_ATTR_NDPROXY_ROUTING
]))
573 iface
->learn_routes
= blobmsg_get_bool(c
);
575 if ((c
= tb
[IFACE_ATTR_NDPROXY_SLAVE
]))
576 iface
->external
= blobmsg_get_bool(c
);
581 close_interface(iface
);
585 static int set_interface(struct uci_section
*s
)
587 blob_buf_init(&b
, 0);
588 uci_to_blob(&b
, s
, &interface_attr_list
);
589 return config_parse_interface(blob_data(b
.head
), blob_len(b
.head
), s
->e
.name
, true);
593 void odhcpd_reload(void)
595 struct uci_context
*uci
= uci_alloc_context();
596 while (!list_empty(&leases
)) {
597 struct lease
*l
= list_first_entry(&leases
, struct lease
, head
);
603 struct interface
*master
= NULL
, *i
, *n
;
608 list_for_each_entry(i
, &interfaces
, head
)
611 struct uci_package
*dhcp
= NULL
;
612 if (!uci_load(uci
, "dhcp", &dhcp
)) {
613 struct uci_element
*e
;
614 uci_foreach_element(&dhcp
->sections
, e
) {
615 struct uci_section
*s
= uci_to_section(e
);
616 if (!strcmp(s
->type
, "host"))
618 else if (!strcmp(s
->type
, "odhcpd"))
622 uci_foreach_element(&dhcp
->sections
, e
) {
623 struct uci_section
*s
= uci_to_section(e
);
624 if (!strcmp(s
->type
, "dhcp"))
631 ubus_apply_network();
634 bool any_dhcpv6_slave
= false, any_ra_slave
= false, any_ndp_slave
= false;
637 list_for_each_entry(i
, &interfaces
, head
) {
641 if (i
->dhcpv6
== RELAYD_HYBRID
|| i
->dhcpv6
== RELAYD_RELAY
)
642 any_dhcpv6_slave
= true;
644 if (i
->ra
== RELAYD_HYBRID
|| i
->ra
== RELAYD_RELAY
)
647 if (i
->ndp
== RELAYD_HYBRID
|| i
->ndp
== RELAYD_RELAY
)
648 any_ndp_slave
= true;
651 // Evaluate hybrid mode for master
652 list_for_each_entry(i
, &interfaces
, head
) {
656 enum odhcpd_mode hybrid_mode
= RELAYD_DISABLED
;
658 if (!ubus_has_prefix(i
->name
, i
->ifname
))
659 hybrid_mode
= RELAYD_RELAY
;
662 if (i
->dhcpv6
== RELAYD_HYBRID
)
663 i
->dhcpv6
= hybrid_mode
;
665 if (i
->dhcpv6
== RELAYD_RELAY
&& !any_dhcpv6_slave
)
666 i
->dhcpv6
= RELAYD_DISABLED
;
668 if (i
->ra
== RELAYD_HYBRID
)
671 if (i
->ra
== RELAYD_RELAY
&& !any_ra_slave
)
672 i
->ra
= RELAYD_DISABLED
;
674 if (i
->ndp
== RELAYD_HYBRID
)
675 i
->ndp
= hybrid_mode
;
677 if (i
->ndp
== RELAYD_RELAY
&& !any_ndp_slave
)
678 i
->ndp
= RELAYD_DISABLED
;
680 if (i
->dhcpv6
== RELAYD_RELAY
|| i
->ra
== RELAYD_RELAY
|| i
->ndp
== RELAYD_RELAY
)
685 list_for_each_entry_safe(i
, n
, &interfaces
, head
) {
687 // Resolve hybrid mode
688 if (i
->dhcpv6
== RELAYD_HYBRID
)
689 i
->dhcpv6
= (master
&& master
->dhcpv6
== RELAYD_RELAY
) ?
690 RELAYD_RELAY
: RELAYD_SERVER
;
692 if (i
->ra
== RELAYD_HYBRID
)
693 i
->ra
= (master
&& master
->ra
== RELAYD_RELAY
) ?
694 RELAYD_RELAY
: RELAYD_SERVER
;
696 if (i
->ndp
== RELAYD_HYBRID
)
697 i
->ndp
= (master
&& master
->ndp
== RELAYD_RELAY
) ?
698 RELAYD_RELAY
: RELAYD_DISABLED
;
700 setup_router_interface(i
, !i
->ignore
);
701 setup_dhcpv6_interface(i
, !i
->ignore
);
702 setup_ndp_interface(i
, !i
->ignore
);
703 setup_dhcpv4_interface(i
, !i
->ignore
);
709 uci_unload(uci
, dhcp
);
710 uci_free_context(uci
);
714 static void handle_signal(int signal
)
718 if (signal
== SIGHUP
) {
719 if (write(reload_pipe
[1], b
, sizeof(b
)) < 0) {}
726 static void reload_cb(struct uloop_fd
*u
, _unused
unsigned int events
)
729 if (read(u
->fd
, b
, sizeof(b
)) < 0) {}
733 static struct uloop_fd reload_fd
= { .cb
= reload_cb
};
735 void odhcpd_run(void)
737 if (pipe2(reload_pipe
, O_NONBLOCK
| O_CLOEXEC
) < 0) {}
738 reload_fd
.fd
= reload_pipe
[0];
739 uloop_fd_add(&reload_fd
, ULOOP_READ
);
741 signal(SIGTERM
, handle_signal
);
742 signal(SIGINT
, handle_signal
);
743 signal(SIGHUP
, handle_signal
);
753 while (!list_empty(&interfaces
))
754 close_interface(list_first_entry(&interfaces
, struct interface
, head
));