#include "odhcpd.h"
#include "dhcpv6.h"
#include "dhcpv4.h"
-#include "libubox/md5.h"
-#include "libubox/usock.h"
#include <time.h>
#include <errno.h>
#include <arpa/inet.h>
#include <sys/timerfd.h>
+#include <libubox/md5.h>
+#include <libubox/usock.h>
+
#define ADDR_ENTRY_VALID_IA_ADDR(iface, i, m, addrs) \
- ((iface)->managed == RELAYD_MANAGED_NO_AFLAG || (i) == (m) || \
+ ((iface)->dhcpv6_assignall || (i) == (m) || \
(addrs)[(i)].prefix > 64)
static void free_dhcpv6_assignment(struct dhcpv6_assignment *c);
-static void reconf_timer(struct uloop_timeout *event);
-static struct uloop_timeout reconf_event = {.cb = reconf_timer};
+static void stop_reconf(struct dhcpv6_assignment *a);
+static void valid_until_cb(struct uloop_timeout *event);
+
+static struct uloop_timeout valid_until_timeout = {.cb = valid_until_cb};
static uint32_t serial = 0;
static uint8_t statemd5[16];
int dhcpv6_ia_init(void)
{
- uloop_timeout_set(&reconf_event, 2000);
+ uloop_timeout_set(&valid_until_timeout, 1000);
return 0;
}
-int setup_dhcpv6_ia_interface(struct interface *iface, bool enable)
+int dhcpv6_setup_ia_interface(struct interface *iface, bool enable)
{
if (!enable && iface->ia_assignments.next) {
struct dhcpv6_assignment *c;
}
}
- if (enable && iface->dhcpv6 == RELAYD_SERVER) {
+ if (enable && iface->dhcpv6 == MODE_SERVER) {
if (!iface->ia_assignments.next)
INIT_LIST_HEAD(&iface->ia_assignments);
}
if (a->head.next) {
+ a->iface = iface;
if (lease->hostname[0]) {
free(a->hostname);
a->hostname = strdup(lease->hostname);
if (c->head.next)
list_del(&c->head);
+ if (c->reconf_cnt)
+ stop_reconf(c);
+
free(c->managed);
free(c->hostname);
free(c);
return m;
}
-static int send_reconf(struct interface *iface, struct dhcpv6_assignment *assign)
+static int send_reconf(struct dhcpv6_assignment *assign)
{
struct {
struct dhcpv6_client_header hdr;
.clid_len = htons(assign->clid_len),
.clid_data = {0},
};
+ struct interface *iface = assign->iface;
odhcpd_get_mac(iface, reconf_msg.mac);
memcpy(reconf_msg.clid_data, assign->clid_data, assign->clid_len);
if (!valid_addr(&addrs[i], now))
continue;
- addr = addrs[i].addr;
+ addr = addrs[i].addr.in6;
pref = addrs[i].preferred;
valid = addrs[i].valid;
if (prefix == 128) {
ctxt.buf_len = sizeof(leasebuf);
list_for_each_entry(ctxt.iface, &interfaces, head) {
- if (ctxt.iface->dhcpv6 != RELAYD_SERVER &&
- ctxt.iface->dhcpv4 != RELAYD_SERVER)
+ if (ctxt.iface->dhcpv6 != MODE_SERVER &&
+ ctxt.iface->dhcpv4 != MODE_SERVER)
continue;
- if (ctxt.iface->dhcpv6 == RELAYD_SERVER &&
+ if (ctxt.iface->dhcpv6 == MODE_SERVER &&
ctxt.iface->ia_assignments.next) {
list_for_each_entry(ctxt.c, &ctxt.iface->ia_assignments, head) {
if (!(ctxt.c->flags & OAF_BOUND) || ctxt.c->managed_size < 0)
}
}
- if (ctxt.iface->dhcpv4 == RELAYD_SERVER &&
+ if (ctxt.iface->dhcpv4 == MODE_SERVER &&
ctxt.iface->dhcpv4_assignments.next) {
struct dhcpv4_assignment *c;
list_for_each_entry(c, &ctxt.iface->dhcpv4_assignments, head) {
/* iface DUID iaid hostname lifetime assigned length [addrs...] */
ctxt.buf_idx = snprintf(ctxt.buf, ctxt.buf_len, "# %s %s ipv4 %s %ld %x 32 ",
ctxt.iface->ifname, duidbuf,
- (c->hostname ? ctxt.c->hostname : "-"),
+ (c->hostname ? c->hostname : "-"),
(c->valid_until > now ?
(c->valid_until - now + wall_time) :
(INFINITE_VALID(c->valid_until) ? -1 : 0)),
- c->addr);
+ ntohl(c->addr));
- struct in_addr addr = {htonl(c->addr)};
+ struct in_addr addr = {.s_addr = c->addr};
inet_ntop(AF_INET, &addr, ipbuf, sizeof(ipbuf) - 1);
if (c->hostname) {
size_t addrlen = (a->managed) ? (size_t)a->managed_size : iface->ia_addr_len;
for (size_t i = 0; i < addrlen; ++i) {
- struct in6_addr prefix = addrs[i].addr;
+ struct in6_addr prefix = addrs[i].addr.in6;
prefix.s6_addr32[1] |= htonl(a->assigned);
prefix.s6_addr32[2] = prefix.s6_addr32[3] = 0;
odhcpd_setup_route(&prefix, (a->managed_size) ? addrs[i].prefix : a->length,
void dhcpv6_ia_preupdate(struct interface *iface)
{
- if (iface->dhcpv6 != RELAYD_SERVER)
+ if (iface->dhcpv6 != MODE_SERVER)
return;
struct dhcpv6_assignment *c, *border = list_last_entry(
&iface->ia_assignments, struct dhcpv6_assignment, head);
list_for_each_entry(c, &iface->ia_assignments, head)
- if (c != border && !iface->managed && (c->flags & OAF_BOUND))
+ if (c != border && iface->ra_managed == RA_MANAGED_NO_MFLAG
+ && (c->flags & OAF_BOUND))
apply_lease(iface, c, false);
}
-void dhcpv6_ia_postupdate(struct interface *iface, time_t now)
+static void reconf_timeout_cb(struct uloop_timeout *event)
+{
+ struct dhcpv6_assignment *a = container_of(event, struct dhcpv6_assignment, reconf_timer);
+
+ if (a->reconf_cnt > 0 && a->reconf_cnt < DHCPV6_REC_MAX_RC) {
+ send_reconf(a);
+ uloop_timeout_set(&a->reconf_timer,
+ DHCPV6_REC_TIMEOUT << a->reconf_cnt);
+ a->reconf_cnt++;
+ } else
+ stop_reconf(a);
+}
+
+static void start_reconf(struct dhcpv6_assignment *a)
{
- if (iface->dhcpv6 != RELAYD_SERVER)
+ uloop_timeout_set(&a->reconf_timer,
+ DHCPV6_REC_TIMEOUT << a->reconf_cnt);
+ a->reconf_timer.cb = reconf_timeout_cb;
+ a->reconf_cnt++;
+
+ send_reconf(a);
+}
+
+static void stop_reconf(struct dhcpv6_assignment *a)
+{
+ uloop_timeout_cancel(&a->reconf_timer);
+ a->reconf_cnt = 0;
+ a->reconf_timer.cb = NULL;
+}
+
+void dhcpv6_ia_postupdate(struct interface *iface)
+{
+ if (iface->dhcpv6 != MODE_SERVER)
return;
+ time_t now = odhcpd_time();
int minprefix = -1;
for (size_t i = 0; i < iface->ia_addr_len; ++i) {
if (iface->ia_addr[i].preferred > (uint32_t)now &&
apply_lease(iface, c, true);
if (c->accept_reconf && c->reconf_cnt == 0) {
- c->reconf_cnt = 1;
- c->reconf_sent = now;
- send_reconf(iface, c);
+ start_reconf(c);
/* Leave all other assignments of that client alone */
struct dhcpv6_assignment *a;
list_for_each_entry(a, &iface->ia_assignments, head)
if (a != c && a->clid_len == c->clid_len &&
!memcmp(a->clid_data, c->clid_data, a->clid_len))
- c->reconf_cnt = INT_MAX;
+ a->reconf_cnt = INT_MAX;
}
}
dhcpv6_write_statefile();
}
-static void reconf_timer(struct uloop_timeout *event)
+static void valid_until_cb(struct uloop_timeout *event)
{
time_t now = odhcpd_time();
struct interface *iface;
list_for_each_entry(iface, &interfaces, head) {
- if (iface->dhcpv6 != RELAYD_SERVER || iface->ia_assignments.next == NULL)
+ if (iface->dhcpv6 != MODE_SERVER || iface->ia_assignments.next == NULL)
continue;
struct dhcpv6_assignment *a, *n;
(a->length == 128 && a->clid_len == 0))
free_dhcpv6_assignment(a);
- } else if (a->reconf_cnt > 0 && a->reconf_cnt < 8 &&
- now > a->reconf_sent + (1 << a->reconf_cnt)) {
- ++a->reconf_cnt;
- a->reconf_sent = now;
- send_reconf(iface, a);
}
}
}
- uloop_timeout_set(event, 2000);
+ uloop_timeout_set(event, 1000);
}
static size_t append_reply(uint8_t *buf, size_t buflen, uint16_t status,
.preferred = htonl(prefix_pref),
.valid = htonl(prefix_valid),
.prefix = (a->managed_size) ? addrs[i].prefix : a->length,
- .addr = addrs[i].addr
+ .addr = addrs[i].addr.in6,
};
p.addr.s6_addr32[1] |= htonl(a->assigned);
p.addr.s6_addr32[2] = p.addr.s6_addr32[3] = 0;
struct dhcpv6_ia_addr n = {
.type = htons(DHCPV6_OPT_IA_ADDR),
.len = htons(sizeof(n) - 4),
- .addr = addrs[i].addr,
+ .addr = addrs[i].addr.in6,
.preferred = htonl(prefix_pref),
.valid = htonl(prefix_valid)
};
if (!valid_addr(&addrs[i], now))
continue;
- struct in6_addr addr = addrs[i].addr;
+ struct in6_addr addr = addrs[i].addr.in6;
if (ia->type == htons(DHCPV6_OPT_IA_PD)) {
addr.s6_addr32[1] |= htonl(a->assigned);
addr.s6_addr32[2] = addr.s6_addr32[3] = 0;
a->clid_len = clid_len;
a->iaid = ia->iaid;
a->peer = *addr;
- a->reconf_cnt = 0;
- a->reconf_sent = 0;
+ stop_reconf(a);
break;
}
}
/* Set valid time to current time indicating */
/* assignment is not having infinite lifetime */
a->valid_until = now;
+ a->iface = iface;
if (first)
memcpy(a->key, first->key, sizeof(a->key));
projects / project / odhcpd.git / blobdiff