15 static struct blob_buf b
;
16 static int reload_pipe
[2];
17 struct list_head leases
= LIST_HEAD_INIT(leases
);
18 struct list_head interfaces
= LIST_HEAD_INIT(interfaces
);
19 struct config config
= {false, NULL
, NULL
};
25 IFACE_ATTR_DYNAMICDHCP
,
39 IFACE_ATTR_FILTER_CLASS
,
40 IFACE_ATTR_DHCPV6_RAW
,
41 IFACE_ATTR_RA_DEFAULT
,
42 IFACE_ATTR_RA_MANAGEMENT
,
43 IFACE_ATTR_RA_OFFLINK
,
44 IFACE_ATTR_RA_PREFERENCE
,
45 IFACE_ATTR_RA_ADVROUTER
,
46 IFACE_ATTR_RA_MAXINTERVAL
,
47 IFACE_ATTR_PD_MANAGER
,
49 IFACE_ATTR_NDPROXY_ROUTING
,
50 IFACE_ATTR_NDPROXY_SLAVE
,
54 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
55 [IFACE_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
56 [IFACE_ATTR_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
57 [IFACE_ATTR_NETWORKID
] = { .name
= "networkid", .type
= BLOBMSG_TYPE_STRING
},
58 [IFACE_ATTR_DYNAMICDHCP
] = { .name
= "dynamicdhcp", .type
= BLOBMSG_TYPE_BOOL
},
59 [IFACE_ATTR_IGNORE
] = { .name
= "ignore", .type
= BLOBMSG_TYPE_BOOL
},
60 [IFACE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
61 [IFACE_ATTR_START
] = { .name
= "start", .type
= BLOBMSG_TYPE_INT32
},
62 [IFACE_ATTR_LIMIT
] = { .name
= "limit", .type
= BLOBMSG_TYPE_INT32
},
63 [IFACE_ATTR_MASTER
] = { .name
= "master", .type
= BLOBMSG_TYPE_BOOL
},
64 [IFACE_ATTR_UPSTREAM
] = { .name
= "upstream", .type
= BLOBMSG_TYPE_ARRAY
},
65 [IFACE_ATTR_RA
] = { .name
= "ra", .type
= BLOBMSG_TYPE_STRING
},
66 [IFACE_ATTR_DHCPV4
] = { .name
= "dhcpv4", .type
= BLOBMSG_TYPE_STRING
},
67 [IFACE_ATTR_DHCPV6
] = { .name
= "dhcpv6", .type
= BLOBMSG_TYPE_STRING
},
68 [IFACE_ATTR_NDP
] = { .name
= "ndp", .type
= BLOBMSG_TYPE_STRING
},
69 [IFACE_ATTR_ROUTER
] = { .name
= "router", .type
= BLOBMSG_TYPE_ARRAY
},
70 [IFACE_ATTR_DNS
] = { .name
= "dns", .type
= BLOBMSG_TYPE_ARRAY
},
71 [IFACE_ATTR_DOMAIN
] = { .name
= "domain", .type
= BLOBMSG_TYPE_ARRAY
},
72 [IFACE_ATTR_FILTER_CLASS
] = { .name
= "filter_class", .type
= BLOBMSG_TYPE_STRING
},
73 [IFACE_ATTR_DHCPV6_RAW
] = { .name
= "dhcpv6_raw", .type
= BLOBMSG_TYPE_STRING
},
74 [IFACE_ATTR_PD_MANAGER
] = { .name
= "pd_manager", .type
= BLOBMSG_TYPE_STRING
},
75 [IFACE_ATTR_PD_CER
] = { .name
= "pd_cer", .type
= BLOBMSG_TYPE_STRING
},
76 [IFACE_ATTR_RA_DEFAULT
] = { .name
= "ra_default", .type
= BLOBMSG_TYPE_INT32
},
77 [IFACE_ATTR_RA_MANAGEMENT
] = { .name
= "ra_management", .type
= BLOBMSG_TYPE_INT32
},
78 [IFACE_ATTR_RA_OFFLINK
] = { .name
= "ra_offlink", .type
= BLOBMSG_TYPE_BOOL
},
79 [IFACE_ATTR_RA_PREFERENCE
] = { .name
= "ra_preference", .type
= BLOBMSG_TYPE_STRING
},
80 [IFACE_ATTR_RA_ADVROUTER
] = { .name
= "ra_advrouter", .type
= BLOBMSG_TYPE_BOOL
},
81 [IFACE_ATTR_RA_MAXINTERVAL
] = { .name
= "ra_maxinterval", .type
= BLOBMSG_TYPE_INT32
},
82 [IFACE_ATTR_NDPROXY_ROUTING
] = { .name
= "ndproxy_routing", .type
= BLOBMSG_TYPE_BOOL
},
83 [IFACE_ATTR_NDPROXY_SLAVE
] = { .name
= "ndproxy_slave", .type
= BLOBMSG_TYPE_BOOL
},
86 static const struct uci_blob_param_info iface_attr_info
[IFACE_ATTR_MAX
] = {
87 [IFACE_ATTR_UPSTREAM
] = { .type
= BLOBMSG_TYPE_STRING
},
88 [IFACE_ATTR_DNS
] = { .type
= BLOBMSG_TYPE_STRING
},
89 [IFACE_ATTR_DOMAIN
] = { .type
= BLOBMSG_TYPE_STRING
},
92 const struct uci_blob_param_list interface_attr_list
= {
93 .n_params
= IFACE_ATTR_MAX
,
94 .params
= iface_attrs
,
95 .info
= iface_attr_info
,
103 LEASE_ATTR_LEASETIME
,
108 static const struct blobmsg_policy lease_attrs
[LEASE_ATTR_MAX
] = {
109 [LEASE_ATTR_IP
] = { .name
= "ip", .type
= BLOBMSG_TYPE_STRING
},
110 [LEASE_ATTR_MAC
] = { .name
= "mac", .type
= BLOBMSG_TYPE_STRING
},
111 [LEASE_ATTR_DUID
] = { .name
= "duid", .type
= BLOBMSG_TYPE_STRING
},
112 [LEASE_ATTR_HOSTID
] = { .name
= "hostid", .type
= BLOBMSG_TYPE_STRING
},
113 [LEASE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
114 [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
,
123 ODHCPD_ATTR_MAINDHCP
,
124 ODHCPD_ATTR_LEASEFILE
,
125 ODHCPD_ATTR_LEASETRIGGER
,
129 static const struct blobmsg_policy odhcpd_attrs
[LEASE_ATTR_MAX
] = {
130 [ODHCPD_ATTR_MAINDHCP
] = { .name
= "maindhcp", .type
= BLOBMSG_TYPE_BOOL
},
131 [ODHCPD_ATTR_LEASEFILE
] = { .name
= "leasefile", .type
= BLOBMSG_TYPE_STRING
},
132 [ODHCPD_ATTR_LEASETRIGGER
] = { .name
= "leasetrigger", .type
= BLOBMSG_TYPE_STRING
},
135 const struct uci_blob_param_list odhcpd_attr_list
= {
136 .n_params
= ODHCPD_ATTR_MAX
,
137 .params
= odhcpd_attrs
,
140 static int mkdir_p(char *dir
, mode_t mask
)
142 char *l
= strrchr(dir
, '/');
150 if (mkdir_p(dir
, mask
))
155 ret
= mkdir(dir
, mask
);
156 if (ret
&& errno
== EEXIST
)
160 syslog(LOG_ERR
, "mkdir(%s, %d) failed: %s\n", dir
, mask
, strerror(errno
));
165 static struct interface
* get_interface(const char *name
)
168 list_for_each_entry(c
, &interfaces
, head
)
169 if (!strcmp(c
->name
, name
))
174 static void clean_interface(struct interface
*iface
)
178 free(iface
->upstream
);
179 free(iface
->dhcpv4_router
);
180 free(iface
->dhcpv4_dns
);
181 free(iface
->dhcpv6_raw
);
182 free(iface
->filter_class
);
183 memset(&iface
->ra
, 0, sizeof(*iface
) - offsetof(struct interface
, ra
));
186 static void close_interface(struct interface
*iface
)
188 if (iface
->head
.next
)
189 list_del(&iface
->head
);
191 setup_router_interface(iface
, false);
192 setup_dhcpv6_interface(iface
, false);
193 setup_ndp_interface(iface
, false);
194 setup_dhcpv4_interface(iface
, false);
196 clean_interface(iface
);
200 static int parse_mode(const char *mode
)
202 if (!strcmp(mode
, "disabled"))
203 return RELAYD_DISABLED
;
204 else if (!strcmp(mode
, "server"))
205 return RELAYD_SERVER
;
206 else if (!strcmp(mode
, "relay"))
208 else if (!strcmp(mode
, "hybrid"))
209 return RELAYD_HYBRID
;
214 static void set_config(struct uci_section
*s
)
216 struct blob_attr
*tb
[ODHCPD_ATTR_MAX
], *c
;
218 blob_buf_init(&b
, 0);
219 uci_to_blob(&b
, s
, &odhcpd_attr_list
);
220 blobmsg_parse(odhcpd_attrs
, ODHCPD_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
222 if ((c
= tb
[ODHCPD_ATTR_MAINDHCP
]))
223 config
.legacy
= blobmsg_get_bool(c
);
225 if ((c
= tb
[ODHCPD_ATTR_LEASEFILE
])) {
226 free(config
.dhcp_statefile
);
227 config
.dhcp_statefile
= strdup(blobmsg_get_string(c
));
230 if ((c
= tb
[ODHCPD_ATTR_LEASETRIGGER
])) {
231 free(config
.dhcp_cb
);
232 config
.dhcp_cb
= strdup(blobmsg_get_string(c
));
236 static double parse_leasetime(struct blob_attr
*c
) {
237 char *val
= blobmsg_get_string(c
), *endptr
= NULL
;
238 double time
= strcmp(val
, "infinite") ? strtod(val
, &endptr
) : UINT32_MAX
;
240 if (time
&& endptr
&& endptr
[0]) {
241 if (endptr
[0] == 's')
243 else if (endptr
[0] == 'm')
245 else if (endptr
[0] == 'h')
247 else if (endptr
[0] == 'd')
249 else if (endptr
[0] == 'w')
250 time
*= 7 * 24 * 3600;
264 static int set_lease(struct uci_section
*s
)
266 struct blob_attr
*tb
[LEASE_ATTR_MAX
], *c
;
268 blob_buf_init(&b
, 0);
269 uci_to_blob(&b
, s
, &lease_attr_list
);
270 blobmsg_parse(lease_attrs
, LEASE_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
273 if ((c
= tb
[LEASE_ATTR_NAME
]))
274 hostlen
= blobmsg_data_len(c
);
276 struct lease
*lease
= calloc(1, sizeof(*lease
) + hostlen
);
281 memcpy(lease
->hostname
, blobmsg_get_string(c
), hostlen
);
283 if ((c
= tb
[LEASE_ATTR_IP
]))
284 if (inet_pton(AF_INET
, blobmsg_get_string(c
), &lease
->ipaddr
) < 0)
287 if ((c
= tb
[LEASE_ATTR_MAC
]))
288 if (!ether_aton_r(blobmsg_get_string(c
), &lease
->mac
))
291 if ((c
= tb
[LEASE_ATTR_DUID
])) {
292 size_t duidlen
= (blobmsg_data_len(c
) - 1) / 2;
293 lease
->duid
= malloc(duidlen
);
297 ssize_t len
= odhcpd_unhexlify(lease
->duid
,
298 duidlen
, blobmsg_get_string(c
));
303 lease
->duid_len
= len
;
306 if ((c
= tb
[LEASE_ATTR_HOSTID
])) {
308 lease
->hostid
= strtoul(blobmsg_get_string(c
), NULL
, 16);
313 if ((c
= tb
[LEASE_ATTR_LEASETIME
])) {
314 double time
= parse_leasetime(c
);
319 lease
->dhcpv4_leasetime
= time
;
322 list_add(&lease
->head
, &leases
);
333 int config_parse_interface(void *data
, size_t len
, const char *name
, bool overwrite
)
335 struct blob_attr
*tb
[IFACE_ATTR_MAX
], *c
;
336 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, data
, len
);
338 if (tb
[IFACE_ATTR_INTERFACE
])
339 name
= blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]);
344 struct interface
*iface
= get_interface(name
);
346 iface
= calloc(1, sizeof(*iface
));
350 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
352 /* Default settings */
354 iface
->learn_routes
= true;
356 list_add(&iface
->head
, &interfaces
);
360 const char *ifname
= NULL
;
362 if ((c
= tb
[IFACE_ATTR_IFNAME
]))
363 ifname
= blobmsg_get_string(c
);
364 else if ((c
= tb
[IFACE_ATTR_NETWORKID
]))
365 ifname
= blobmsg_get_string(c
);
369 if (overwrite
|| !iface
->ifname
[0])
370 ifname
= ubus_get_ifname(name
);
373 if (!iface
->ifname
[0] && !ifname
)
377 strncpy(iface
->ifname
, ifname
, sizeof(iface
->ifname
) - 1);
379 if ((iface
->ifindex
= if_nametoindex(iface
->ifname
)) <= 0)
384 if ((c
= tb
[IFACE_ATTR_DYNAMICDHCP
]))
385 iface
->no_dynamic_dhcp
= !blobmsg_get_bool(c
);
387 if (overwrite
&& (c
= tb
[IFACE_ATTR_IGNORE
]))
388 iface
->ignore
= blobmsg_get_bool(c
);
390 if ((c
= tb
[IFACE_ATTR_LEASETIME
])) {
391 double time
= parse_leasetime(c
);
396 iface
->dhcpv4_leasetime
= time
;
399 if ((c
= tb
[IFACE_ATTR_START
])) {
400 iface
->dhcpv4_start
.s_addr
= htonl(blobmsg_get_u32(c
));
403 iface
->dhcpv4
= RELAYD_SERVER
;
406 if ((c
= tb
[IFACE_ATTR_LIMIT
]))
407 iface
->dhcpv4_end
.s_addr
= htonl(
408 ntohl(iface
->dhcpv4_start
.s_addr
) + blobmsg_get_u32(c
));
410 if ((c
= tb
[IFACE_ATTR_MASTER
]))
411 iface
->master
= blobmsg_get_bool(c
);
413 if (overwrite
&& (c
= tb
[IFACE_ATTR_UPSTREAM
])) {
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
, false))
421 iface
->upstream
= realloc(iface
->upstream
,
422 iface
->upstream_len
+ blobmsg_data_len(cur
));
423 if (!iface
->upstream
)
426 memcpy(iface
->upstream
+ iface
->upstream_len
, blobmsg_get_string(cur
), blobmsg_data_len(cur
));
427 iface
->upstream_len
+= blobmsg_data_len(cur
);
432 if ((c
= tb
[IFACE_ATTR_RA
])) {
433 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
439 if ((c
= tb
[IFACE_ATTR_DHCPV4
])) {
440 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
441 iface
->dhcpv4
= mode
;
446 if ((c
= tb
[IFACE_ATTR_DHCPV6
])) {
447 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
448 iface
->dhcpv6
= mode
;
453 if ((c
= tb
[IFACE_ATTR_NDP
])) {
454 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
460 if ((c
= tb
[IFACE_ATTR_ROUTER
])) {
461 struct blob_attr
*cur
;
464 blobmsg_for_each_attr(cur
, c
, rem
) {
465 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
468 struct in_addr addr4
;
469 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
470 iface
->dhcpv4_router
= realloc(iface
->dhcpv4_router
,
471 (++iface
->dhcpv4_router_cnt
) * sizeof(*iface
->dhcpv4_router
));
472 if (!iface
->dhcpv4_router
)
475 iface
->dhcpv4_router
[iface
->dhcpv4_router_cnt
- 1] = addr4
;
481 if ((c
= tb
[IFACE_ATTR_DNS
])) {
482 struct blob_attr
*cur
;
485 iface
->always_rewrite_dns
= true;
486 blobmsg_for_each_attr(cur
, c
, rem
) {
487 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
490 struct in_addr addr4
;
491 struct in6_addr addr6
;
492 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
493 iface
->dhcpv4_dns
= realloc(iface
->dhcpv4_dns
,
494 (++iface
->dhcpv4_dns_cnt
) * sizeof(*iface
->dhcpv4_dns
));
495 if (!iface
->dhcpv4_dns
)
498 iface
->dhcpv4_dns
[iface
->dhcpv4_dns_cnt
- 1] = addr4
;
499 } else if (inet_pton(AF_INET6
, blobmsg_get_string(cur
), &addr6
) == 1) {
500 iface
->dns
= realloc(iface
->dns
,
501 (++iface
->dns_cnt
) * sizeof(*iface
->dns
));
505 iface
->dns
[iface
->dns_cnt
- 1] = addr6
;
511 if ((c
= tb
[IFACE_ATTR_DOMAIN
])) {
512 struct blob_attr
*cur
;
515 blobmsg_for_each_attr(cur
, c
, rem
) {
516 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, false))
520 char *domain
= blobmsg_get_string(cur
);
521 size_t domainlen
= strlen(domain
);
522 if (domainlen
> 0 && domain
[domainlen
- 1] == '.')
523 domain
[domainlen
- 1] = 0;
525 int len
= dn_comp(domain
, buf
, sizeof(buf
), NULL
, NULL
);
529 iface
->search
= realloc(iface
->search
, iface
->search_len
+ len
);
533 memcpy(&iface
->search
[iface
->search_len
], buf
, len
);
534 iface
->search_len
+= len
;
538 if ((c
= tb
[IFACE_ATTR_FILTER_CLASS
])) {
539 iface
->filter_class
= realloc(iface
->filter_class
, blobmsg_data_len(c
) + 1);
540 memcpy(iface
->filter_class
, blobmsg_get_string(c
), blobmsg_data_len(c
) + 1);
543 if ((c
= tb
[IFACE_ATTR_DHCPV6_RAW
])) {
544 iface
->dhcpv6_raw_len
= blobmsg_data_len(c
) / 2;
545 iface
->dhcpv6_raw
= realloc(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
);
546 odhcpd_unhexlify(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
, blobmsg_get_string(c
));
549 if ((c
= tb
[IFACE_ATTR_RA_DEFAULT
]))
550 iface
->default_router
= blobmsg_get_u32(c
);
552 if ((c
= tb
[IFACE_ATTR_RA_MANAGEMENT
]))
553 iface
->managed
= blobmsg_get_u32(c
);
555 if ((c
= tb
[IFACE_ATTR_RA_OFFLINK
]))
556 iface
->ra_not_onlink
= blobmsg_get_bool(c
);
558 if ((c
= tb
[IFACE_ATTR_RA_ADVROUTER
]))
559 iface
->ra_advrouter
= blobmsg_get_bool(c
);
561 if ((c
= tb
[IFACE_ATTR_RA_MAXINTERVAL
]))
562 iface
->ra_maxinterval
= blobmsg_get_u32(c
);
564 if ((c
= tb
[IFACE_ATTR_RA_PREFERENCE
])) {
565 const char *prio
= blobmsg_get_string(c
);
567 if (!strcmp(prio
, "high"))
568 iface
->route_preference
= 1;
569 else if (!strcmp(prio
, "low"))
570 iface
->route_preference
= -1;
571 else if (!strcmp(prio
, "medium") || !strcmp(prio
, "default"))
572 iface
->route_preference
= 0;
577 if ((c
= tb
[IFACE_ATTR_PD_MANAGER
]))
578 strncpy(iface
->dhcpv6_pd_manager
, blobmsg_get_string(c
),
579 sizeof(iface
->dhcpv6_pd_manager
) - 1);
581 if ((c
= tb
[IFACE_ATTR_PD_CER
]) &&
582 inet_pton(AF_INET6
, blobmsg_get_string(c
), &iface
->dhcpv6_pd_cer
) < 1)
585 if ((c
= tb
[IFACE_ATTR_NDPROXY_ROUTING
]))
586 iface
->learn_routes
= blobmsg_get_bool(c
);
588 if ((c
= tb
[IFACE_ATTR_NDPROXY_SLAVE
]))
589 iface
->external
= blobmsg_get_bool(c
);
594 close_interface(iface
);
598 static int set_interface(struct uci_section
*s
)
600 blob_buf_init(&b
, 0);
601 uci_to_blob(&b
, s
, &interface_attr_list
);
603 return config_parse_interface(blob_data(b
.head
), blob_len(b
.head
), s
->e
.name
, true);
606 void odhcpd_reload(void)
608 struct uci_context
*uci
= uci_alloc_context();
610 while (!list_empty(&leases
)) {
611 struct lease
*l
= list_first_entry(&leases
, struct lease
, head
);
617 struct interface
*master
= NULL
, *i
, *n
;
622 list_for_each_entry(i
, &interfaces
, head
)
625 struct uci_package
*dhcp
= NULL
;
626 if (!uci_load(uci
, "dhcp", &dhcp
)) {
627 struct uci_element
*e
;
628 uci_foreach_element(&dhcp
->sections
, e
) {
629 struct uci_section
*s
= uci_to_section(e
);
630 if (!strcmp(s
->type
, "host"))
632 else if (!strcmp(s
->type
, "odhcpd"))
636 uci_foreach_element(&dhcp
->sections
, e
) {
637 struct uci_section
*s
= uci_to_section(e
);
638 if (!strcmp(s
->type
, "dhcp"))
643 if (config
.dhcp_statefile
) {
644 char *path
= strdup(config
.dhcp_statefile
);
646 mkdir_p(dirname(path
), 0755);
651 ubus_apply_network();
654 bool any_dhcpv6_slave
= false, any_ra_slave
= false, any_ndp_slave
= false;
657 list_for_each_entry(i
, &interfaces
, head
) {
661 if (i
->dhcpv6
== RELAYD_HYBRID
|| i
->dhcpv6
== RELAYD_RELAY
)
662 any_dhcpv6_slave
= true;
664 if (i
->ra
== RELAYD_HYBRID
|| i
->ra
== RELAYD_RELAY
)
667 if (i
->ndp
== RELAYD_HYBRID
|| i
->ndp
== RELAYD_RELAY
)
668 any_ndp_slave
= true;
671 /* Evaluate hybrid mode for master */
672 list_for_each_entry(i
, &interfaces
, head
) {
676 enum odhcpd_mode hybrid_mode
= RELAYD_DISABLED
;
678 if (!ubus_has_prefix(i
->name
, i
->ifname
))
679 hybrid_mode
= RELAYD_RELAY
;
682 if (i
->dhcpv6
== RELAYD_HYBRID
)
683 i
->dhcpv6
= hybrid_mode
;
685 if (i
->dhcpv6
== RELAYD_RELAY
&& !any_dhcpv6_slave
)
686 i
->dhcpv6
= RELAYD_DISABLED
;
688 if (i
->ra
== RELAYD_HYBRID
)
691 if (i
->ra
== RELAYD_RELAY
&& !any_ra_slave
)
692 i
->ra
= RELAYD_DISABLED
;
694 if (i
->ndp
== RELAYD_HYBRID
)
695 i
->ndp
= hybrid_mode
;
697 if (i
->ndp
== RELAYD_RELAY
&& !any_ndp_slave
)
698 i
->ndp
= RELAYD_DISABLED
;
700 if (i
->dhcpv6
== RELAYD_RELAY
|| i
->ra
== RELAYD_RELAY
|| i
->ndp
== RELAYD_RELAY
)
705 list_for_each_entry_safe(i
, n
, &interfaces
, head
) {
707 /* Resolve hybrid mode */
708 if (i
->dhcpv6
== RELAYD_HYBRID
)
709 i
->dhcpv6
= (master
&& master
->dhcpv6
== RELAYD_RELAY
) ?
710 RELAYD_RELAY
: RELAYD_SERVER
;
712 if (i
->ra
== RELAYD_HYBRID
)
713 i
->ra
= (master
&& master
->ra
== RELAYD_RELAY
) ?
714 RELAYD_RELAY
: RELAYD_SERVER
;
716 if (i
->ndp
== RELAYD_HYBRID
)
717 i
->ndp
= (master
&& master
->ndp
== RELAYD_RELAY
) ?
718 RELAYD_RELAY
: RELAYD_DISABLED
;
720 setup_router_interface(i
, true);
721 setup_dhcpv6_interface(i
, true);
722 setup_ndp_interface(i
, true);
723 setup_dhcpv4_interface(i
, true);
729 uci_unload(uci
, dhcp
);
730 uci_free_context(uci
);
733 static void handle_signal(int signal
)
737 if (signal
== SIGHUP
) {
738 if (write(reload_pipe
[1], b
, sizeof(b
)) < 0) {}
743 static void reload_cb(struct uloop_fd
*u
, _unused
unsigned int events
)
746 if (read(u
->fd
, b
, sizeof(b
)) < 0) {}
751 static struct uloop_fd reload_fd
= { .cb
= reload_cb
};
753 void odhcpd_run(void)
755 if (pipe2(reload_pipe
, O_NONBLOCK
| O_CLOEXEC
) < 0) {}
757 reload_fd
.fd
= reload_pipe
[0];
758 uloop_fd_add(&reload_fd
, ULOOP_READ
);
760 signal(SIGTERM
, handle_signal
);
761 signal(SIGINT
, handle_signal
);
762 signal(SIGHUP
, handle_signal
);
772 while (!list_empty(&interfaces
))
773 close_interface(list_first_entry(&interfaces
, struct interface
, head
));