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dhcp: make dhcp_identifier_set_duid() take struct hw_addr_data

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This commit is contained in:
Yu Watanabe 2022-08-02 15:45:03 +09:00
parent 3b75435db6
commit 8cad358e4a
4 changed files with 32 additions and 23 deletions
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46
src/libsystemd-network/dhcp-identifier.c
View file

@ -63,20 +63,26 @@ int dhcp_validate_duid_len(DUIDType duid_type, size_t duid_len, bool strict) {
return 0;
}
static int dhcp_identifier_set_duid_llt(const uint8_t *addr, size_t addr_len, uint16_t arp_type, usec_t t, struct duid *ret_duid, size_t *ret_len) {
static int dhcp_identifier_set_duid_llt(
const struct hw_addr_data *hw_addr,
uint16_t arp_type,
usec_t t,
struct duid *ret_duid,
size_t *ret_len) {
uint16_t time_from_2000y;
assert(addr);
assert(hw_addr);
assert(ret_duid);
assert(ret_len);
if (addr_len == 0)
if (hw_addr->length == 0)
return -EOPNOTSUPP;
if (arp_type == ARPHRD_ETHER)
assert_return(addr_len == ETH_ALEN, -EINVAL);
assert_return(hw_addr->length == ETH_ALEN, -EINVAL);
else if (arp_type == ARPHRD_INFINIBAND)
assert_return(addr_len == INFINIBAND_ALEN, -EINVAL);
assert_return(hw_addr->length == INFINIBAND_ALEN, -EINVAL);
else
return -EOPNOTSUPP;
@ -88,33 +94,38 @@ static int dhcp_identifier_set_duid_llt(const uint8_t *addr, size_t addr_len, ui
unaligned_write_be16(&ret_duid->type, DUID_TYPE_LLT);
unaligned_write_be16(&ret_duid->llt.htype, arp_type);
unaligned_write_be32(&ret_duid->llt.time, time_from_2000y);
memcpy(ret_duid->llt.haddr, addr, addr_len);
memcpy(ret_duid->llt.haddr, hw_addr->bytes, hw_addr->length);
*ret_len = offsetof(struct duid, llt.haddr) + addr_len;
*ret_len = offsetof(struct duid, llt.haddr) + hw_addr->length;
return 0;
}
static int dhcp_identifier_set_duid_ll(const uint8_t *addr, size_t addr_len, uint16_t arp_type, struct duid *ret_duid, size_t *ret_len) {
assert(addr);
static int dhcp_identifier_set_duid_ll(
const struct hw_addr_data *hw_addr,
uint16_t arp_type,
struct duid *ret_duid,
size_t *ret_len) {
assert(hw_addr);
assert(ret_duid);
assert(ret_len);
if (addr_len == 0)
if (hw_addr->length == 0)
return -EOPNOTSUPP;
if (arp_type == ARPHRD_ETHER)
assert_return(addr_len == ETH_ALEN, -EINVAL);
assert_return(hw_addr->length == ETH_ALEN, -EINVAL);
else if (arp_type == ARPHRD_INFINIBAND)
assert_return(addr_len == INFINIBAND_ALEN, -EINVAL);
assert_return(hw_addr->length == INFINIBAND_ALEN, -EINVAL);
else
return -EOPNOTSUPP;
unaligned_write_be16(&ret_duid->type, DUID_TYPE_LL);
unaligned_write_be16(&ret_duid->ll.htype, arp_type);
memcpy(ret_duid->ll.haddr, addr, addr_len);
memcpy(ret_duid->ll.haddr, hw_addr->bytes, hw_addr->length);
*ret_len = offsetof(struct duid, ll.haddr) + addr_len;
*ret_len = offsetof(struct duid, ll.haddr) + hw_addr->length;
return 0;
}
@ -174,8 +185,7 @@ static int dhcp_identifier_set_duid_uuid(struct duid *ret_duid, size_t *ret_len)
int dhcp_identifier_set_duid(
DUIDType duid_type,
const uint8_t *addr,
size_t addr_len,
const struct hw_addr_data *hw_addr,
uint16_t arp_type,
usec_t llt_time,
bool test_mode,
@ -184,11 +194,11 @@ int dhcp_identifier_set_duid(
switch (duid_type) {
case DUID_TYPE_LLT:
return dhcp_identifier_set_duid_llt(addr, addr_len, arp_type, llt_time, ret_duid, ret_len);
return dhcp_identifier_set_duid_llt(hw_addr, arp_type, llt_time, ret_duid, ret_len);
case DUID_TYPE_EN:
return dhcp_identifier_set_duid_en(test_mode, ret_duid, ret_len);
case DUID_TYPE_LL:
return dhcp_identifier_set_duid_ll(addr, addr_len, arp_type, ret_duid, ret_len);
return dhcp_identifier_set_duid_ll(hw_addr, arp_type, ret_duid, ret_len);
case DUID_TYPE_UUID:
return dhcp_identifier_set_duid_uuid(ret_duid, ret_len);
default:

3
src/libsystemd-network/dhcp-identifier.h
View file

@ -59,8 +59,7 @@ int dhcp_validate_duid_len(DUIDType duid_type, size_t duid_len, bool strict);
int dhcp_identifier_set_duid_en(bool test_mode, struct duid *ret_duid, size_t *ret_len);
int dhcp_identifier_set_duid(
DUIDType duid_type,
const uint8_t *addr,
size_t addr_len,
const struct hw_addr_data *hw_addr,
uint16_t arp_type,
usec_t llt_time,
bool test_mode,

2
src/libsystemd-network/sd-dhcp-client.c
View file

@ -434,7 +434,7 @@ static int dhcp_client_set_iaid_duid_internal(
len = sizeof(client->client_id.ns.duid.type) + duid_len;
} else {
r = dhcp_identifier_set_duid(duid_type, client->hw_addr.bytes, client->hw_addr.length,
r = dhcp_identifier_set_duid(duid_type, &client->hw_addr,
client->arp_type, llt_time, client->test_mode,
&client->client_id.ns.duid, &len);
if (r == -EOPNOTSUPP)

4
src/libsystemd-network/sd-dhcp6-client.c
View file

@ -215,8 +215,8 @@ static int dhcp6_client_set_duid_internal(
client->duid_len = sizeof(client->duid.type) + duid_len;
} else {
r = dhcp_identifier_set_duid(duid_type, client->hw_addr.bytes, client->hw_addr.length,
client->arp_type, llt_time, client->test_mode, &client->duid, &client->duid_len);
r = dhcp_identifier_set_duid(duid_type, &client->hw_addr, client->arp_type, llt_time,
client->test_mode, &client->duid, &client->duid_len);
if (r == -EOPNOTSUPP)
return log_dhcp6_client_errno(client, r,
"Failed to set %s. MAC address is not set or "