#include "odhcpd.h"
static struct blob_buf b;
-static int reload_pipe[2];
+static int reload_pipe[2] = { -1, -1 };
static int lease_cmp(const void *k1, const void *k2, void *ptr);
static void lease_update(struct vlist_tree *tree, struct vlist_node *node_new,
AVL_TREE(interfaces, avl_strcmp, false, NULL);
struct config config = {.legacy = false, .main_dhcpv4 = false,
.dhcp_cb = NULL, .dhcp_statefile = NULL,
- .log_level = LOG_INFO};
+ .log_level = LOG_WARNING};
+
+#define START_DEFAULT 100
+#define LIMIT_DEFAULT 150
enum {
IFACE_ATTR_INTERFACE,
IFACE_ATTR_IFNAME,
IFACE_ATTR_NETWORKID,
IFACE_ATTR_DYNAMICDHCP,
- IFACE_ATTR_IGNORE,
IFACE_ATTR_LEASETIME,
IFACE_ATTR_LIMIT,
IFACE_ATTR_START,
[IFACE_ATTR_IFNAME] = { .name = "ifname", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_NETWORKID] = { .name = "networkid", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_DYNAMICDHCP] = { .name = "dynamicdhcp", .type = BLOBMSG_TYPE_BOOL },
- [IFACE_ATTR_IGNORE] = { .name = "ignore", .type = BLOBMSG_TYPE_BOOL },
[IFACE_ATTR_LEASETIME] = { .name = "leasetime", .type = BLOBMSG_TYPE_STRING },
[IFACE_ATTR_START] = { .name = "start", .type = BLOBMSG_TYPE_INT32 },
[IFACE_ATTR_LIMIT] = { .name = "limit", .type = BLOBMSG_TYPE_INT32 },
static void set_interface_defaults(struct interface *iface)
{
+ iface->ignore = true;
+ iface->dhcpv4 = MODE_DISABLED;
+ iface->dhcpv6 = MODE_DISABLED;
+ iface->ra = MODE_DISABLED;
+ iface->ndp = MODE_DISABLED;
iface->learn_routes = 1;
iface->dhcpv4_leasetime = 43200;
+ iface->dhcpv4_start.s_addr = htonl(START_DEFAULT);
+ iface->dhcpv4_end.s_addr = htonl(START_DEFAULT + LIMIT_DEFAULT - 1);
iface->dhcpv6_assignall = true;
iface->dhcpv6_pd = true;
iface->dhcpv6_na = true;
iface->name = strcpy(new_name, name);
iface->avl.key = iface->name;
+ iface->router_event.uloop.fd = -1;
+ iface->dhcpv6_event.uloop.fd = -1;
+ iface->ndp_event.uloop.fd = -1;
+ iface->ndp_ping_fd = -1;
+ iface->dhcpv4_event.uloop.fd = -1;
+ INIT_LIST_HEAD(&iface->ia_assignments);
+ INIT_LIST_HEAD(&iface->dhcpv4_assignments);
+ INIT_LIST_HEAD(&iface->dhcpv4_fr_ips);
+
set_interface_defaults(iface);
avl_insert(&interfaces, &iface->avl);
if ((c = tb[IFACE_ATTR_DYNAMICDHCP]))
iface->no_dynamic_dhcp = !blobmsg_get_bool(c);
- if (overwrite && (c = tb[IFACE_ATTR_IGNORE]))
- iface->ignore = blobmsg_get_bool(c);
-
if ((c = tb[IFACE_ATTR_LEASETIME])) {
double time = parse_leasetime(c);
if (time < 0)
if ((c = tb[IFACE_ATTR_START])) {
iface->dhcpv4_start.s_addr = htonl(blobmsg_get_u32(c));
+ iface->dhcpv4_end.s_addr = htonl(ntohl(iface->dhcpv4_start.s_addr) +
+ LIMIT_DEFAULT - 1);
if (config.main_dhcpv4 && config.legacy)
iface->dhcpv4 = MODE_SERVER;
}
if ((c = tb[IFACE_ATTR_LIMIT]))
- iface->dhcpv4_end.s_addr = htonl(
- ntohl(iface->dhcpv4_start.s_addr) + blobmsg_get_u32(c));
+ iface->dhcpv4_end.s_addr = htonl(ntohl(iface->dhcpv4_start.s_addr) +
+ blobmsg_get_u32(c) - 1);
if ((c = tb[IFACE_ATTR_MASTER]))
iface->master = blobmsg_get_bool(c);
int mode;
if ((c = tb[IFACE_ATTR_RA])) {
- if ((mode = parse_mode(blobmsg_get_string(c))) >= 0)
+ if ((mode = parse_mode(blobmsg_get_string(c))) >= 0) {
iface->ra = mode;
- else
+
+ if (iface->ra != MODE_DISABLED)
+ iface->ignore = false;
+ } else
goto err;
}
if ((c = tb[IFACE_ATTR_DHCPV4])) {
if ((mode = parse_mode(blobmsg_get_string(c))) >= 0) {
- if (config.main_dhcpv4)
+ if (config.main_dhcpv4) {
iface->dhcpv4 = mode;
+
+ if (iface->dhcpv4 != MODE_DISABLED)
+ iface->ignore = false;
+ }
}
else
goto err;
}
if ((c = tb[IFACE_ATTR_DHCPV6])) {
- if ((mode = parse_mode(blobmsg_get_string(c))) >= 0)
+ if ((mode = parse_mode(blobmsg_get_string(c))) >= 0) {
iface->dhcpv6 = mode;
- else
+
+ if (iface->dhcpv6 != MODE_DISABLED)
+ iface->ignore = false;
+ } else
goto err;
}
if ((c = tb[IFACE_ATTR_NDP])) {
- if ((mode = parse_mode(blobmsg_get_string(c))) >= 0)
+ if ((mode = parse_mode(blobmsg_get_string(c))) >= 0) {
iface->ndp = mode;
- else
+
+ if (iface->ndp != MODE_DISABLED)
+ iface->ignore = false;
+ } else
goto err;
}
list_for_each_entry_safe(a, tmp, &l->assignments, lease_list) {
if (a->flags & flag)
-#ifdef DHCPV4_SUPPORT
- v6 ? dhcpv6_ia_free_assignment(a) : dhcpv4_free_assignment(a);
-#else
- dhcpv6_ia_free_assignment(a);
-#endif
+ free_assignment(a);
}
}
static void lease_delete(struct lease *l)
{
- struct dhcp_assignment *a;
+ struct dhcp_assignment *a, *tmp;
- list_for_each_entry(a, &l->assignments, lease_list) {
- if (a->flags & OAF_DHCPV6)
- dhcpv6_ia_free_assignment(a);
-#ifdef DHCPV4_SUPPORT
- else if (a->flags & OAF_DHCPV4)
- dhcpv4_free_assignment(a);
-#endif
- }
+ list_for_each_entry_safe(a, tmp, &l->assignments, lease_list)
+ free_assignment(a);
free_lease(l);
}
struct uci_package *dhcp = NULL;
if (!uci_load(uci, "dhcp", &dhcp)) {
struct uci_element *e;
+
+ /* 1. Global settings */
uci_foreach_element(&dhcp->sections, e) {
struct uci_section *s = uci_to_section(e);
- if (!strcmp(s->type, "host"))
- set_lease(s);
- else if (!strcmp(s->type, "odhcpd"))
+ if (!strcmp(s->type, "odhcpd"))
set_config(s);
}
+ /* 2. DHCP pools */
uci_foreach_element(&dhcp->sections, e) {
struct uci_section *s = uci_to_section(e);
if (!strcmp(s->type, "dhcp"))
set_interface(s);
}
+
+ /* 3. Static leases */
+ uci_foreach_element(&dhcp->sections, e) {
+ struct uci_section* s = uci_to_section(e);
+ if (!strcmp(s->type, "host"))
+ set_lease(s);
+ }
}
if (config.dhcp_statefile) {
i->ndp = (master && master->ndp == MODE_RELAY) ?
MODE_RELAY : MODE_DISABLED;
- router_setup_interface(i, !i->ignore || i->ra != MODE_DISABLED);
- dhcpv6_setup_interface(i, !i->ignore || i->dhcpv6 != MODE_DISABLED);
- ndp_setup_interface(i, !i->ignore || i->ndp != MODE_DISABLED);
+ router_setup_interface(i, i->ra != MODE_DISABLED);
+ dhcpv6_setup_interface(i, i->dhcpv6 != MODE_DISABLED);
+ ndp_setup_interface(i, i->ndp != MODE_DISABLED);
#ifdef DHCPV4_SUPPORT
- dhcpv4_setup_interface(i, !i->ignore || i->dhcpv4 != MODE_DISABLED);
+ dhcpv4_setup_interface(i, i->dhcpv4 != MODE_DISABLED);
#endif
} else
close_interface(i);
odhcpd_reload();
}
-static struct uloop_fd reload_fd = { .cb = reload_cb };
+static struct uloop_fd reload_fd = { .fd = -1, .cb = reload_cb };
void odhcpd_run(void)
{