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udhcp: shorten mac len from 16 to 6 in lease file

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Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
This commit is contained in:
Denys Vlasenko
2009-06-17 11:57:09 +02:00
parent ac906fa85e
commit 31af3d5a1d
15 changed files with 126 additions and 103 deletions
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24
networking/udhcp/leases.c
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@@ -11,9 +11,9 @@
/* Find the oldest expired lease, NULL if there are no expired leases */
static struct dhcpOfferedAddr *oldest_expired_lease(void)
static struct dyn_lease *oldest_expired_lease(void)
{
struct dhcpOfferedAddr *oldest_lease = NULL;
struct dyn_lease *oldest_lease = NULL;
leasetime_t oldest_time = time(NULL);
unsigned i;
@@ -38,7 +38,7 @@ static void clear_lease(const uint8_t *chaddr, uint32_t yiaddr)
continue;
for (i = 0; i < server_config.max_leases; i++) {
if ((j != 16 && memcmp(leases[i].lease_mac16, chaddr, 16) == 0)
if ((j != 16 && memcmp(leases[i].lease_mac, chaddr, 6) == 0)
|| (yiaddr && leases[i].lease_nip == yiaddr)
) {
memset(&leases[i], 0, sizeof(leases[i]));
@@ -48,11 +48,11 @@ static void clear_lease(const uint8_t *chaddr, uint32_t yiaddr)
/* Add a lease into the table, clearing out any old ones */
struct dhcpOfferedAddr* FAST_FUNC add_lease(
struct dyn_lease* FAST_FUNC add_lease(
const uint8_t *chaddr, uint32_t yiaddr,
leasetime_t leasetime, uint8_t *hostname)
{
struct dhcpOfferedAddr *oldest;
struct dyn_lease *oldest;
uint8_t hostname_length;
/* clean out any old ones */
@@ -75,7 +75,7 @@ struct dhcpOfferedAddr* FAST_FUNC add_lease(
hostname++;
}
}
memcpy(oldest->lease_mac16, chaddr, 16);
memcpy(oldest->lease_mac, chaddr, 6);
oldest->lease_nip = yiaddr;
oldest->expires = time(NULL) + leasetime;
}
@@ -85,19 +85,19 @@ struct dhcpOfferedAddr* FAST_FUNC add_lease(
/* True if a lease has expired */
int FAST_FUNC lease_expired(struct dhcpOfferedAddr *lease)
int FAST_FUNC lease_expired(struct dyn_lease *lease)
{
return (lease->expires < (leasetime_t) time(NULL));
}
/* Find the first lease that matches chaddr, NULL if no match */
struct dhcpOfferedAddr* FAST_FUNC find_lease_by_chaddr(const uint8_t *chaddr)
struct dyn_lease* FAST_FUNC find_lease_by_chaddr(const uint8_t *chaddr)
{
unsigned i;
for (i = 0; i < server_config.max_leases; i++)
if (!memcmp(leases[i].lease_mac16, chaddr, 16))
if (memcmp(leases[i].lease_mac, chaddr, 6) == 0)
return &(leases[i]);
return NULL;
@@ -105,7 +105,7 @@ struct dhcpOfferedAddr* FAST_FUNC find_lease_by_chaddr(const uint8_t *chaddr)
/* Find the first lease that matches yiaddr, NULL is no match */
struct dhcpOfferedAddr* FAST_FUNC find_lease_by_yiaddr(uint32_t yiaddr)
struct dyn_lease* FAST_FUNC find_lease_by_yiaddr(uint32_t yiaddr)
{
unsigned i;
@@ -146,12 +146,12 @@ static int nobody_responds_to_arp(uint32_t addr, const uint8_t *safe_mac)
uint32_t FAST_FUNC find_free_or_expired_address(const uint8_t *chaddr)
{
uint32_t addr;
struct dhcpOfferedAddr *oldest_lease = NULL;
struct dyn_lease *oldest_lease = NULL;
addr = server_config.start_ip; /* addr is in host order here */
for (; addr <= server_config.end_ip; addr++) {
uint32_t net_addr;
struct dhcpOfferedAddr *lease;
struct dyn_lease *lease;
/* ie, 192.168.55.0 */
if ((addr & 0xff) == 0)