/* Add a lease into the table, clearing out any old ones */
struct dyn_lease* FAST_FUNC add_lease(
const uint8_t *chaddr, uint32_t yiaddr,
leasetime_t leasetime,
const char *hostname, int hostname_len)
{
struct dyn_lease *oldest;
/* clean out any old ones */
clear_lease(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
oldest->hostname[0] = '\0';
if (hostname) {
char *p;
if (hostname_len > sizeof(oldest->hostname))
hostname_len = sizeof(oldest->hostname);
p = safe_strncpy(oldest->hostname, hostname, hostname_len);
/* sanitization (s/non-ASCII/^/g) */
while (*p) {
if (*p < ' ' || *p > 126)
*p = '^';
p++;
}
}
memcpy(oldest->lease_mac, chaddr, 6);
oldest->lease_nip = yiaddr;
oldest->expires = time(NULL) + leasetime;
}
return oldest;
}
/* add a lease into the table, clearing out any old ones */
struct dhcpOfferedAddr *add_lease(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease)
#endif
{
struct dhcpOfferedAddr *oldest;
#if 1
/* statitc lease --> Kide 2005/03/20 */
if ( (oldest = find_lease_by_yiaddr(yiaddr)) && oldest->is_static)
goto STATIC_LEASE;
// <--
#endif
/* clean out any old ones */
clear_lease(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
#ifdef CONFIG_NK_DHCP_CLIENT_USER
/* if lease is zero, mean it's static --> Kide 2005/03/20 */
oldest->is_static = (lease == 0) ? 1 : 0;
lease = (lease == 0) ? server_config.lease : lease;
#endif
STATIC_LEASE:
// <--
if(!(oldest->is_static))
{
memcpy(oldest->chaddr, chaddr, 16);
oldest->yiaddr = yiaddr;
oldest->expires = get_time(0) + lease;
}
else
{
oldest->expires = get_time(0) + lease;
}
/* 2007/07/30 jane: bug fix dhcp status do not show client's host name */
#if 1
if (hostname)
{
memset(oldest->hostname, '\0', sizeof(oldest->hostname));
strcpy(oldest->hostname, hostname);
}
#endif
if (packetType) //0:read ip, 2:Offer, 4:Ack
oldest->packetType=(int)packetType;
}
return oldest;
}
/* add a lease into the table, clearing out any old ones */
struct dhcpOfferedAddr *add_lease(uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
{
struct dhcpOfferedAddr *oldest;
/* clean out any old ones */
clear_lease(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
memcpy(oldest->chaddr, chaddr, 16);
oldest->yiaddr = yiaddr;
oldest->expires = time(0) + lease;
}
return oldest;
}
/* Add a lease into the table, clearing out any old ones.
* If chaddr == NULL, this is a conflict lease.
*/
struct dyn_lease* FAST_FUNC add_lease(
const uint8_t *chaddr, uint32_t yiaddr,
leasetime_t leasetime,
const char *hostname, int hostname_len)
{
struct dyn_lease *oldest;
/* clean out any old ones */
clear_leases(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
memset(oldest, 0, sizeof(*oldest));
if (hostname) {
char *p;
hostname_len++; /* include NUL */
if (hostname_len > sizeof(oldest->hostname))
hostname_len = sizeof(oldest->hostname);
p = safe_strncpy(oldest->hostname, hostname, hostname_len);
/*
* Sanitization (s/bad_char/./g).
* The intent is not to allow only "DNS-valid" hostnames,
* but merely make dumpleases output safe for shells to use.
* We accept "0-9A-Za-z._-", all other chars turn to dots.
*/
while (*p) {
if (!isalnum(*p) && *p != '-' && *p != '_')
*p = '.';
p++;
}
}
if (chaddr)
memcpy(oldest->lease_mac, chaddr, 6);
oldest->lease_nip = yiaddr;
oldest->expires = time(NULL) + leasetime;
}
return oldest;
}
/* add a lease into the table, clearing out any old ones */
struct dhcpOfferedAddr *add_lease(uint8_t *hostname, const uint8_t *chaddr, uint32_t yiaddr, unsigned long lease)
{
struct dhcpOfferedAddr *oldest;
/* clean out any old ones */
clear_lease(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
if (hostname) {
uint8_t length = *(hostname-1);
if (length>15) length = 15;
memcpy(oldest->hostname, hostname, length);
oldest->hostname[length] = 0;
}
memcpy(oldest->chaddr, chaddr, 16);
oldest->yiaddr = yiaddr;
oldest->expires = time(0) + lease;
}
return oldest;
}
struct dhcpOfferedAddr *add_lease_fromfile(u_int8_t *chaddr, u_int32_t yiaddr, unsigned long lease, char *hostname)
{
struct dhcpOfferedAddr *oldest;
/* clean out any old ones */
clear_lease(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
memcpy(oldest->chaddr, chaddr, 16);
oldest->yiaddr = yiaddr;
oldest->expires = time(0) + lease;
if(hostname[0] != '\0')
sprintf(oldest->hostname, "%s", hostname);
}
#ifdef GUEST_ZONE
if (server_config.guestmac_check) {
if (is_guest_mac(server_config.interface, chaddr)) {
struct guest_mac_entry *newguest;
if (!is_guest_exist(chaddr, &newguest)) {
if (newguest) {
memcpy(newguest->addr, chaddr, 6);
newguest->valid = 1;
}
}
}
else {
struct guest_mac_entry *guest = is_guest_exist(chaddr, NULL);
if (guest)
guest->valid = 0;
}
}
#endif
return oldest;
}
/* Add a lease into the table, clearing out any old ones.
* If chaddr == NULL, this is a conflict lease.
*/
struct dyn_lease* ICACHE_FLASH_ATTR add_lease(
const uint8_t *chaddr, uint32_t yiaddr,
leasetime_t leasetime,
const char *hostname, int hostname_len)
{
struct dyn_lease *oldest;
/* clean out any old ones */
clear_leases(chaddr, yiaddr);
oldest = oldest_expired_lease();
if (oldest) {
memset(oldest, 0, sizeof(*oldest));
if (hostname) {
char *p;
hostname_len++; /* include NUL */
if (hostname_len > sizeof(oldest->hostname))
hostname_len = sizeof(oldest->hostname);
p = (char *)strncpy(oldest->hostname, hostname, hostname_len);
/* sanitization (s/non-ASCII/^/g) */
while (*p) {
if (*p < ' ' || *p > 126)
*p = '^';
p++;
}
}
if (chaddr)
memcpy(oldest->lease_mac, chaddr, 6);
oldest->lease_nip = yiaddr;
oldest->expires = time(NULL) + leasetime;
}
return oldest;
}