dasharo/systemd
0
0
Fork 0
mirror of https://github.com/Dasharo/systemd.git synced 2026-03-06 15:02:31 -08:00
Code Issues Packages Projects Releases Wiki Activity

network: DHCP6 client- Allow to send manual DUID

Browse Source 
```
[DHCPv6]
DUIDType=custom
DUIDRawData=00:00:ab:11:f9:2a:c2:77:29:f9:5c:00
```

```
Client Identifier
    Option: Client Identifier (1)
    Length: 12
    DUID: 0000ab11f92ac27729f95c00
    DUID Type: Unknown (0)
```
This commit is contained in:
Susant Sahani
2023-08-15 18:56:19 +05:30
parent 5f22d16bb3
commit 89e73ce86f
6 changed files with 31 additions and 12 deletions
Download Patch File Download Diff File Expand all files Collapse all files

7
man/networkd.conf.xml
View File

@@ -138,6 +138,13 @@
</para></listitem>
</varlistentry>
<varlistentry>
<term><option>custom</option></term>
<listitem><para>If <literal>DUIDType=custom</literal>, then the <literal>DUIDRawData=</literal> value will
used be as custom identifier. If <literal>DUIDType=custom</literal> is specified then the
<literal>DUIDRawData=</literal> key is mandatory. Note it applies only on DHCPv6 clients.</para></listitem>
</varlistentry>
<varlistentry>
<term><option>uuid</option></term>
<listitem><para>If <literal>DUIDType=uuid</literal>, and <varname>DUIDRawData=</varname> is not set,

9
src/libsystemd-network/dhcp-identifier.c
View File

@@ -15,10 +15,11 @@
#define USEC_2000 ((usec_t) 946684800000000) /* 2000-01-01 00:00:00 UTC */
static const char * const duid_type_table[_DUID_TYPE_MAX] = {
[DUID_TYPE_LLT] = "DUID-LLT",
[DUID_TYPE_EN] = "DUID-EN/Vendor",
[DUID_TYPE_LL] = "DUID-LL",
[DUID_TYPE_UUID] = "UUID",
[DUID_TYPE_LLT] = "DUID-LLT",
[DUID_TYPE_EN] = "DUID-EN/Vendor",
[DUID_TYPE_LL] = "DUID-LL",
[DUID_TYPE_UUID] = "UUID",
[DUID_TYPE_CUSTOM] = "Custom",
};
DEFINE_STRING_TABLE_LOOKUP_TO_STRING(duid_type, DUIDType);

1
src/libsystemd-network/dhcp-identifier.h
View File

@@ -17,6 +17,7 @@ typedef enum DUIDType {
DUID_TYPE_EN = 2,
DUID_TYPE_LL = 3,
DUID_TYPE_UUID = 4,
DUID_TYPE_CUSTOM = 5,
_DUID_TYPE_MAX,
_DUID_TYPE_INVALID = -EINVAL,
} DUIDType;

12
src/libsystemd-network/sd-dhcp6-client.c
View File

@@ -212,10 +212,14 @@ static int dhcp6_client_set_duid_internal(
log_dhcp6_client(client, "Using DUID of type %i of incorrect length, proceeding.", duid_type);
}
client->duid.type = htobe16(duid_type);
memcpy(&client->duid.raw.data, duid, duid_len);
client->duid_len = sizeof(client->duid.type) + duid_len;
if (duid_type == DUID_TYPE_CUSTOM) {
memcpy(&client->duid, duid, duid_len);
client->duid_len = duid_len;
} else {
client->duid.type = htobe16(duid_type);
memcpy(&client->duid.raw.data, duid, duid_len);
client->duid_len = sizeof(client->duid.type) + duid_len;
}
} else {
r = dhcp_identifier_set_duid(duid_type, &client->hw_addr, client->arp_type, llt_time,
client->test_mode, &client->duid, &client->duid_len);

9
src/network/networkd-dhcp-common.c
View File

@@ -1106,10 +1106,11 @@ static const char * const dhcp_option_data_type_table[_DHCP_OPTION_DATA_MAX] = {
DEFINE_STRING_TABLE_LOOKUP(dhcp_option_data_type, DHCPOptionDataType);
static const char* const duid_type_table[_DUID_TYPE_MAX] = {
[DUID_TYPE_LLT] = "link-layer-time",
[DUID_TYPE_EN] = "vendor",
[DUID_TYPE_LL] = "link-layer",
[DUID_TYPE_UUID] = "uuid",
[DUID_TYPE_LLT] = "link-layer-time",
[DUID_TYPE_EN] = "vendor",
[DUID_TYPE_LL] = "link-layer",
[DUID_TYPE_UUID] = "uuid",
[DUID_TYPE_CUSTOM] = "custom",
};
DEFINE_PRIVATE_STRING_TABLE_LOOKUP_FROM_STRING(duid_type, DUIDType);

5
src/network/networkd-dhcp6.c
View File

@@ -555,6 +555,11 @@ static int dhcp6_set_identifier(Link *link, sd_dhcp6_client *client) {
}
duid = link_get_dhcp6_duid(link);
if (duid->type == DUID_TYPE_CUSTOM && duid->raw_data_len == 0)
return log_link_debug_errno(link, SYNTHETIC_ERRNO(EINVAL),
"DHCPv6 CLIENT: Missing DUID Raw Data as duid type set to 'custom': %m");
if (duid->type == DUID_TYPE_LLT && duid->raw_data_len == 0)
r = sd_dhcp6_client_set_duid_llt(client, duid->llt_time);
else