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
,
35 IFACE_ATTR_FILTER_CLASS
,
36 IFACE_ATTR_DHCPV6_RAW
,
37 IFACE_ATTR_RA_DEFAULT
,
38 IFACE_ATTR_RA_MANAGEMENT
,
39 IFACE_ATTR_RA_OFFLINK
,
40 IFACE_ATTR_RA_PREFERENCE
,
41 IFACE_ATTR_PD_MANAGER
,
43 IFACE_ATTR_NDPROXY_ROUTING
,
44 IFACE_ATTR_NDPROXY_SLAVE
,
45 IFACE_ATTR_NDPROXY_STATIC
,
49 static const struct blobmsg_policy iface_attrs
[IFACE_ATTR_MAX
] = {
50 [IFACE_ATTR_INTERFACE
] = { .name
= "interface", .type
= BLOBMSG_TYPE_STRING
},
51 [IFACE_ATTR_IFNAME
] = { .name
= "ifname", .type
= BLOBMSG_TYPE_STRING
},
52 [IFACE_ATTR_NETWORKID
] = { .name
= "networkid", .type
= BLOBMSG_TYPE_STRING
},
53 [IFACE_ATTR_DYNAMICDHCP
] = { .name
= "dynamicdhcp", .type
= BLOBMSG_TYPE_BOOL
},
54 [IFACE_ATTR_IGNORE
] = { .name
= "ignore", .type
= BLOBMSG_TYPE_BOOL
},
55 [IFACE_ATTR_LEASETIME
] = { .name
= "leasetime", .type
= BLOBMSG_TYPE_STRING
},
56 [IFACE_ATTR_START
] = { .name
= "start", .type
= BLOBMSG_TYPE_INT32
},
57 [IFACE_ATTR_LIMIT
] = { .name
= "limit", .type
= BLOBMSG_TYPE_INT32
},
58 [IFACE_ATTR_MASTER
] = { .name
= "master", .type
= BLOBMSG_TYPE_BOOL
},
59 [IFACE_ATTR_UPSTREAM
] = { .name
= "upstream", .type
= BLOBMSG_TYPE_ARRAY
},
60 [IFACE_ATTR_RA
] = { .name
= "ra", .type
= BLOBMSG_TYPE_STRING
},
61 [IFACE_ATTR_DHCPV4
] = { .name
= "dhcpv4", .type
= BLOBMSG_TYPE_STRING
},
62 [IFACE_ATTR_DHCPV6
] = { .name
= "dhcpv6", .type
= BLOBMSG_TYPE_STRING
},
63 [IFACE_ATTR_NDP
] = { .name
= "ndp", .type
= BLOBMSG_TYPE_STRING
},
64 [IFACE_ATTR_DNS
] = { .name
= "dns", .type
= BLOBMSG_TYPE_ARRAY
},
65 [IFACE_ATTR_DOMAIN
] = { .name
= "domain", .type
= BLOBMSG_TYPE_ARRAY
},
66 [IFACE_ATTR_FILTER_CLASS
] = { .name
= "filter_class", .type
= BLOBMSG_TYPE_STRING
},
67 [IFACE_ATTR_DHCPV6_RAW
] = { .name
= "dhcpv6_raw", .type
= BLOBMSG_TYPE_STRING
},
68 [IFACE_ATTR_PD_MANAGER
] = { .name
= "pd_manager", .type
= BLOBMSG_TYPE_STRING
},
69 [IFACE_ATTR_PD_CER
] = { .name
= "pd_cer", .type
= BLOBMSG_TYPE_STRING
},
70 [IFACE_ATTR_RA_DEFAULT
] = { .name
= "ra_default", .type
= BLOBMSG_TYPE_INT32
},
71 [IFACE_ATTR_RA_MANAGEMENT
] = { .name
= "ra_management", .type
= BLOBMSG_TYPE_INT32
},
72 [IFACE_ATTR_RA_OFFLINK
] = { .name
= "ra_offlink", .type
= BLOBMSG_TYPE_BOOL
},
73 [IFACE_ATTR_RA_PREFERENCE
] = { .name
= "ra_preference", .type
= BLOBMSG_TYPE_STRING
},
74 [IFACE_ATTR_NDPROXY_ROUTING
] = { .name
= "ndproxy_routing", .type
= BLOBMSG_TYPE_BOOL
},
75 [IFACE_ATTR_NDPROXY_SLAVE
] = { .name
= "ndproxy_slave", .type
= BLOBMSG_TYPE_BOOL
},
76 [IFACE_ATTR_NDPROXY_STATIC
] = { .name
= "ndproxy_static", .type
= BLOBMSG_TYPE_ARRAY
},
79 static const struct uci_blob_param_info iface_attr_info
[IFACE_ATTR_MAX
] = {
80 [IFACE_ATTR_UPSTREAM
] = { .type
= BLOBMSG_TYPE_STRING
},
81 [IFACE_ATTR_DNS
] = { .type
= BLOBMSG_TYPE_STRING
},
82 [IFACE_ATTR_DOMAIN
] = { .type
= BLOBMSG_TYPE_STRING
},
83 [IFACE_ATTR_NDPROXY_STATIC
] = { .type
= BLOBMSG_TYPE_STRING
},
86 const struct uci_blob_param_list interface_attr_list
= {
87 .n_params
= IFACE_ATTR_MAX
,
88 .params
= iface_attrs
,
89 .info
= iface_attr_info
,
103 static const struct blobmsg_policy lease_attrs
[LEASE_ATTR_MAX
] = {
104 [LEASE_ATTR_IP
] = { .name
= "ip", .type
= BLOBMSG_TYPE_STRING
},
105 [LEASE_ATTR_MAC
] = { .name
= "mac", .type
= BLOBMSG_TYPE_STRING
},
106 [LEASE_ATTR_DUID
] = { .name
= "duid", .type
= BLOBMSG_TYPE_STRING
},
107 [LEASE_ATTR_HOSTID
] = { .name
= "hostid", .type
= BLOBMSG_TYPE_STRING
},
108 [LEASE_ATTR_NAME
] = { .name
= "name", .type
= BLOBMSG_TYPE_STRING
},
112 const struct uci_blob_param_list lease_attr_list
= {
113 .n_params
= LEASE_ATTR_MAX
,
114 .params
= lease_attrs
,
119 ODHCPD_ATTR_MAINDHCP
,
120 ODHCPD_ATTR_LEASEFILE
,
121 ODHCPD_ATTR_LEASETRIGGER
,
126 static const struct blobmsg_policy odhcpd_attrs
[LEASE_ATTR_MAX
] = {
127 [ODHCPD_ATTR_MAINDHCP
] = { .name
= "maindhcp", .type
= BLOBMSG_TYPE_BOOL
},
128 [ODHCPD_ATTR_LEASEFILE
] = { .name
= "leasefile", .type
= BLOBMSG_TYPE_STRING
},
129 [ODHCPD_ATTR_LEASETRIGGER
] = { .name
= "leasetrigger", .type
= BLOBMSG_TYPE_STRING
},
133 const struct uci_blob_param_list odhcpd_attr_list
= {
134 .n_params
= ODHCPD_ATTR_MAX
,
135 .params
= odhcpd_attrs
,
139 static struct interface
* get_interface(const char *name
)
142 list_for_each_entry(c
, &interfaces
, head
)
143 if (!strcmp(c
->name
, name
))
149 static void clean_interface(struct interface
*iface
)
153 free(iface
->upstream
);
154 free(iface
->static_ndp
);
155 free(iface
->dhcpv4_dns
);
156 free(iface
->dhcpv6_raw
);
157 free(iface
->filter_class
);
158 memset(&iface
->ra
, 0, sizeof(*iface
) - offsetof(struct interface
, ra
));
162 static void close_interface(struct interface
*iface
)
164 if (iface
->head
.next
)
165 list_del(&iface
->head
);
167 setup_router_interface(iface
, false);
168 setup_dhcpv6_interface(iface
, false);
169 setup_ndp_interface(iface
, false);
170 setup_dhcpv4_interface(iface
, false);
172 clean_interface(iface
);
177 static int parse_mode(const char *mode
)
179 if (!strcmp(mode
, "disabled")) {
180 return RELAYD_DISABLED
;
181 } else if (!strcmp(mode
, "server")) {
182 return RELAYD_SERVER
;
183 } else if (!strcmp(mode
, "relay")) {
185 } else if (!strcmp(mode
, "hybrid")) {
186 return RELAYD_HYBRID
;
193 static void set_config(struct uci_section
*s
)
195 struct blob_attr
*tb
[ODHCPD_ATTR_MAX
], *c
;
197 blob_buf_init(&b
, 0);
198 uci_to_blob(&b
, s
, &odhcpd_attr_list
);
199 blobmsg_parse(odhcpd_attrs
, ODHCPD_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
201 if ((c
= tb
[ODHCPD_ATTR_MAINDHCP
]))
202 config
.legacy
= blobmsg_get_bool(c
);
204 if ((c
= tb
[ODHCPD_ATTR_LEASEFILE
])) {
205 free(config
.dhcp_statefile
);
206 config
.dhcp_statefile
= strdup(blobmsg_get_string(c
));
209 if ((c
= tb
[ODHCPD_ATTR_LEASETRIGGER
])) {
210 free(config
.dhcp_cb
);
211 config
.dhcp_cb
= strdup(blobmsg_get_string(c
));
216 static int set_lease(struct uci_section
*s
)
218 struct blob_attr
*tb
[LEASE_ATTR_MAX
], *c
;
220 blob_buf_init(&b
, 0);
221 uci_to_blob(&b
, s
, &lease_attr_list
);
222 blobmsg_parse(lease_attrs
, LEASE_ATTR_MAX
, tb
, blob_data(b
.head
), blob_len(b
.head
));
225 if ((c
= tb
[LEASE_ATTR_NAME
]))
226 hostlen
= blobmsg_data_len(c
);
228 struct lease
*lease
= calloc(1, sizeof(*lease
) + hostlen
);
233 memcpy(lease
->hostname
, blobmsg_get_string(c
), hostlen
);
235 if ((c
= tb
[LEASE_ATTR_IP
]))
236 if (inet_pton(AF_INET
, blobmsg_get_string(c
), &lease
->ipaddr
) < 0)
239 if ((c
= tb
[LEASE_ATTR_MAC
]))
240 if (!ether_aton_r(blobmsg_get_string(c
), &lease
->mac
))
243 if ((c
= tb
[LEASE_ATTR_DUID
])) {
244 size_t duidlen
= (blobmsg_data_len(c
) - 1) / 2;
245 lease
->duid
= malloc(duidlen
);
249 ssize_t len
= odhcpd_unhexlify(lease
->duid
,
250 duidlen
, blobmsg_get_string(c
));
255 lease
->duid_len
= len
;
258 if ((c
= tb
[LEASE_ATTR_HOSTID
]))
259 if (odhcpd_unhexlify((uint8_t*)&lease
->hostid
, sizeof(lease
->hostid
),
260 blobmsg_get_string(c
)) < 0)
263 list_add(&lease
->head
, &leases
);
275 int config_parse_interface(void *data
, size_t len
, const char *name
, bool overwrite
)
277 struct blob_attr
*tb
[IFACE_ATTR_MAX
], *c
;
278 blobmsg_parse(iface_attrs
, IFACE_ATTR_MAX
, tb
, data
, len
);
280 if (tb
[IFACE_ATTR_INTERFACE
])
281 name
= blobmsg_get_string(tb
[IFACE_ATTR_INTERFACE
]);
286 struct interface
*iface
= get_interface(name
);
288 iface
= calloc(1, sizeof(*iface
));
292 strncpy(iface
->name
, name
, sizeof(iface
->name
) - 1);
293 list_add(&iface
->head
, &interfaces
);
297 const char *ifname
= NULL
;
299 if (overwrite
|| !iface
->ifname
[0])
300 ifname
= ubus_get_ifname(name
);
304 if ((c
= tb
[IFACE_ATTR_IFNAME
]))
305 ifname
= blobmsg_get_string(c
);
306 else if ((c
= tb
[IFACE_ATTR_NETWORKID
]))
307 ifname
= blobmsg_get_string(c
);
310 if (!iface
->ifname
[0] && !ifname
)
314 strncpy(iface
->ifname
, ifname
, sizeof(iface
->ifname
) - 1);
316 if ((iface
->ifindex
= if_nametoindex(iface
->ifname
)) <= 0)
321 if ((c
= tb
[IFACE_ATTR_DYNAMICDHCP
]))
322 iface
->no_dynamic_dhcp
= !blobmsg_get_bool(c
);
324 if (overwrite
&& (c
= tb
[IFACE_ATTR_IGNORE
]))
325 iface
->ignore
= blobmsg_get_bool(c
);
327 if ((c
= tb
[IFACE_ATTR_LEASETIME
])) {
328 char *val
= blobmsg_get_string(c
), *endptr
;
329 double time
= strtod(val
, &endptr
);
330 if (time
&& endptr
[0]) {
331 if (endptr
[0] == 's')
333 else if (endptr
[0] == 'm')
335 else if (endptr
[0] == 'h')
337 else if (endptr
[0] == 'd')
339 else if (endptr
[0] == 'w')
340 time
*= 7 * 24 * 3600;
346 iface
->dhcpv4_leasetime
= time
;
349 if ((c
= tb
[IFACE_ATTR_START
])) {
350 iface
->dhcpv4_start
.s_addr
= htonl(blobmsg_get_u32(c
));
353 iface
->dhcpv4
= RELAYD_SERVER
;
356 if ((c
= tb
[IFACE_ATTR_LIMIT
]))
357 iface
->dhcpv4_end
.s_addr
= htonl(
358 ntohl(iface
->dhcpv4_start
.s_addr
) + blobmsg_get_u32(c
));
360 if ((c
= tb
[IFACE_ATTR_MASTER
]))
361 iface
->master
= blobmsg_get_bool(c
);
363 if (overwrite
&& (c
= tb
[IFACE_ATTR_UPSTREAM
])) {
364 struct blob_attr
*cur
;
367 blobmsg_for_each_attr(cur
, c
, rem
) {
368 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
371 iface
->upstream
= realloc(iface
->upstream
,
372 iface
->upstream_len
+ blobmsg_data_len(cur
));
373 if (!iface
->upstream
)
376 memcpy(iface
->upstream
+ iface
->upstream_len
, blobmsg_get_string(cur
), blobmsg_data_len(cur
));
377 iface
->upstream_len
+= blobmsg_data_len(cur
);
382 if ((c
= tb
[IFACE_ATTR_RA
])) {
383 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
389 if ((c
= tb
[IFACE_ATTR_DHCPV4
])) {
390 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
391 iface
->dhcpv4
= mode
;
396 if ((c
= tb
[IFACE_ATTR_DHCPV6
])) {
397 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
398 iface
->dhcpv6
= mode
;
403 if ((c
= tb
[IFACE_ATTR_NDP
])) {
404 if ((mode
= parse_mode(blobmsg_get_string(c
))) >= 0)
410 if ((c
= tb
[IFACE_ATTR_DNS
])) {
411 struct blob_attr
*cur
;
414 iface
->always_rewrite_dns
= true;
415 blobmsg_for_each_attr(cur
, c
, rem
) {
416 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
419 struct in_addr addr4
;
420 struct in6_addr addr6
;
421 if (inet_pton(AF_INET
, blobmsg_get_string(cur
), &addr4
) == 1) {
422 iface
->dhcpv4_dns
= realloc(iface
->dhcpv4_dns
,
423 (++iface
->dhcpv4_dns_cnt
) * sizeof(*iface
->dhcpv4_dns
));
424 if (!iface
->dhcpv4_dns
)
427 iface
->dhcpv4_dns
[iface
->dhcpv4_dns_cnt
- 1] = addr4
;
428 } else if (inet_pton(AF_INET6
, blobmsg_get_string(cur
), &addr6
) == 1) {
429 iface
->dns
= realloc(iface
->dns
,
430 (++iface
->dns_cnt
) * sizeof(*iface
->dns
));
434 iface
->dns
[iface
->dns_cnt
- 1] = addr6
;
441 if ((c
= tb
[IFACE_ATTR_DOMAIN
])) {
442 struct blob_attr
*cur
;
445 blobmsg_for_each_attr(cur
, c
, rem
) {
446 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
450 int len
= dn_comp(blobmsg_get_string(cur
), buf
, sizeof(buf
), NULL
, NULL
);
454 iface
->search
= realloc(iface
->search
, iface
->search_len
+ len
);
458 memcpy(&iface
->search
[iface
->search_len
], buf
, len
);
459 iface
->search_len
+= len
;
463 if ((c
= tb
[IFACE_ATTR_FILTER_CLASS
])) {
464 iface
->filter_class
= realloc(iface
->filter_class
, blobmsg_data_len(c
) + 1);
465 memcpy(iface
->filter_class
, blobmsg_get_string(c
), blobmsg_data_len(c
) + 1);
468 if ((c
= tb
[IFACE_ATTR_DHCPV6_RAW
])) {
469 iface
->dhcpv6_raw_len
= blobmsg_data_len(c
) / 2;
470 iface
->dhcpv6_raw
= realloc(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
);
471 odhcpd_unhexlify(iface
->dhcpv6_raw
, iface
->dhcpv6_raw_len
, blobmsg_get_string(c
));
474 if ((c
= tb
[IFACE_ATTR_RA_DEFAULT
]))
475 iface
->default_router
= blobmsg_get_u32(c
);
477 if ((c
= tb
[IFACE_ATTR_RA_MANAGEMENT
]))
478 iface
->managed
= blobmsg_get_u32(c
);
482 if ((c
= tb
[IFACE_ATTR_RA_OFFLINK
]))
483 iface
->ra_not_onlink
= blobmsg_get_bool(c
);
485 if ((c
= tb
[IFACE_ATTR_RA_PREFERENCE
])) {
486 const char *prio
= blobmsg_get_string(c
);
488 if (!strcmp(prio
, "high"))
489 iface
->route_preference
= 1;
490 else if (!strcmp(prio
, "low"))
491 iface
->route_preference
= -1;
492 else if (!strcmp(prio
, "medium") || !strcmp(prio
, "default"))
493 iface
->route_preference
= 0;
498 if ((c
= tb
[IFACE_ATTR_PD_MANAGER
]))
499 strncpy(iface
->dhcpv6_pd_manager
, blobmsg_get_string(c
),
500 sizeof(iface
->dhcpv6_pd_manager
) - 1);
502 if ((c
= tb
[IFACE_ATTR_PD_CER
]) &&
503 inet_pton(AF_INET6
, blobmsg_get_string(c
), &iface
->dhcpv6_pd_cer
) < 1)
506 if ((c
= tb
[IFACE_ATTR_NDPROXY_ROUTING
]))
507 iface
->learn_routes
= blobmsg_get_bool(c
);
509 iface
->learn_routes
= true;
511 if ((c
= tb
[IFACE_ATTR_NDPROXY_SLAVE
]))
512 iface
->external
= blobmsg_get_bool(c
);
514 if ((c
= tb
[IFACE_ATTR_NDPROXY_STATIC
])) {
515 struct blob_attr
*cur
;
518 blobmsg_for_each_attr(cur
, c
, rem
) {
519 if (blobmsg_type(cur
) != BLOBMSG_TYPE_STRING
|| !blobmsg_check_attr(cur
, NULL
))
522 int len
= blobmsg_data_len(cur
);
523 iface
->static_ndp
= realloc(iface
->static_ndp
, iface
->static_ndp_len
+ len
);
524 if (!iface
->static_ndp
)
527 if (iface
->static_ndp_len
)
528 iface
->static_ndp
[iface
->static_ndp_len
- 1] = ' ';
530 memcpy(&iface
->static_ndp
[iface
->static_ndp_len
], blobmsg_get_string(cur
), len
);
531 iface
->static_ndp_len
+= len
;
538 close_interface(iface
);
542 static int set_interface(struct uci_section
*s
)
544 blob_buf_init(&b
, 0);
545 uci_to_blob(&b
, s
, &interface_attr_list
);
546 return config_parse_interface(blob_data(b
.head
), blob_len(b
.head
), s
->e
.name
, true);
550 void odhcpd_reload(void)
552 struct uci_context
*uci
= uci_alloc_context();
553 while (!list_empty(&leases
)) {
554 struct lease
*l
= list_first_entry(&leases
, struct lease
, head
);
560 struct interface
*master
= NULL
, *i
, *n
;
565 list_for_each_entry(i
, &interfaces
, head
)
568 struct uci_package
*dhcp
= NULL
;
569 if (!uci_load(uci
, "dhcp", &dhcp
)) {
570 struct uci_element
*e
;
571 uci_foreach_element(&dhcp
->sections
, e
) {
572 struct uci_section
*s
= uci_to_section(e
);
573 if (!strcmp(s
->type
, "host"))
575 else if (!strcmp(s
->type
, "odhcpd"))
579 uci_foreach_element(&dhcp
->sections
, e
) {
580 struct uci_section
*s
= uci_to_section(e
);
581 if (!strcmp(s
->type
, "dhcp"))
588 ubus_apply_network();
591 bool any_dhcpv6_slave
= false, any_ra_slave
= false, any_ndp_slave
= false;
594 list_for_each_entry(i
, &interfaces
, head
) {
598 if (i
->dhcpv6
== RELAYD_HYBRID
|| i
->dhcpv6
== RELAYD_RELAY
)
599 any_dhcpv6_slave
= true;
601 if (i
->ra
== RELAYD_HYBRID
|| i
->ra
== RELAYD_RELAY
)
604 if (i
->ndp
== RELAYD_HYBRID
|| i
->ndp
== RELAYD_RELAY
)
605 any_ndp_slave
= true;
608 // Evaluate hybrid mode for master
609 list_for_each_entry(i
, &interfaces
, head
) {
613 enum odhcpd_mode hybrid_mode
= RELAYD_DISABLED
;
615 if (!ubus_has_prefix(i
->name
, i
->ifname
))
616 hybrid_mode
= RELAYD_RELAY
;
619 if (i
->dhcpv6
== RELAYD_HYBRID
)
620 i
->dhcpv6
= hybrid_mode
;
622 if (i
->dhcpv6
== RELAYD_RELAY
&& !any_dhcpv6_slave
)
623 i
->dhcpv6
= RELAYD_DISABLED
;
625 if (i
->ra
== RELAYD_HYBRID
)
628 if (i
->ra
== RELAYD_RELAY
&& !any_ra_slave
)
629 i
->ra
= RELAYD_DISABLED
;
631 if (i
->ndp
== RELAYD_HYBRID
)
632 i
->ndp
= hybrid_mode
;
634 if (i
->ndp
== RELAYD_RELAY
&& !any_ndp_slave
)
635 i
->ndp
= RELAYD_DISABLED
;
637 if (i
->dhcpv6
== RELAYD_RELAY
|| i
->ra
== RELAYD_RELAY
|| i
->ndp
== RELAYD_RELAY
)
642 list_for_each_entry_safe(i
, n
, &interfaces
, head
) {
644 // Resolve hybrid mode
645 if (i
->dhcpv6
== RELAYD_HYBRID
)
646 i
->dhcpv6
= (master
&& master
->dhcpv6
== RELAYD_RELAY
) ?
647 RELAYD_RELAY
: RELAYD_SERVER
;
649 if (i
->ra
== RELAYD_HYBRID
)
650 i
->ra
= (master
&& master
->ra
== RELAYD_RELAY
) ?
651 RELAYD_RELAY
: RELAYD_SERVER
;
653 if (i
->ndp
== RELAYD_HYBRID
)
654 i
->ndp
= (master
&& master
->ndp
== RELAYD_RELAY
) ?
655 RELAYD_RELAY
: RELAYD_DISABLED
;
657 setup_router_interface(i
, true);
658 setup_dhcpv6_interface(i
, true);
659 setup_ndp_interface(i
, true);
660 setup_dhcpv4_interface(i
, true);
666 uci_unload(uci
, dhcp
);
667 uci_free_context(uci
);
671 static void handle_signal(int signal
)
674 if (signal
== SIGHUP
)
675 write(reload_pipe
[1], b
, sizeof(b
));
682 static void reload_cb(struct uloop_fd
*u
, _unused
unsigned int events
)
685 read(u
->fd
, b
, sizeof(b
));
689 static struct uloop_fd reload_fd
= { .cb
= reload_cb
};
691 void odhcpd_run(void)
693 pipe2(reload_pipe
, O_NONBLOCK
| O_CLOEXEC
);
694 reload_fd
.fd
= reload_pipe
[0];
695 uloop_fd_add(&reload_fd
, ULOOP_READ
);
697 signal(SIGTERM
, handle_signal
);
698 signal(SIGINT
, handle_signal
);
699 signal(SIGHUP
, handle_signal
);