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| author | Grant Erickson <marathon96@gmail.com> | 2012-02-13 09:56:08 -0800 |
|---|---|---|
| committer | Samuel Ortiz <sameo@linux.intel.com> | 2012-02-13 19:24:32 +0100 |
| commit | b540226ada933b5364ac0d44d345d8cc888e78e7 (patch) | |
| tree | 03fee4c9f09fde13e996b53bb14d30f49f2f5780 /gdhcp | |
| parent | df176bf9cdf59757b6ea10281ad19ae47f935234 (diff) | |
| download | connman-b540226ada933b5364ac0d44d345d8cc888e78e7.tar.gz connman-b540226ada933b5364ac0d44d345d8cc888e78e7.tar.bz2 connman-b540226ada933b5364ac0d44d345d8cc888e78e7.zip | |
gdhcp: Add RFC 1533- and 2132-compliant client-id option
This patch adds a function to add a RFC 1533- and 2132-compliant DHCP
client-id option (61) to sent DHCPv4 packets.
Diffstat (limited to 'gdhcp')
| -rw-r--r-- | gdhcp/client.c | 22 | ||||
| -rw-r--r-- | gdhcp/gdhcp.h | 2 |
2 files changed, 24 insertions, 0 deletions
diff --git a/gdhcp/client.c b/gdhcp/client.c index c11f019d..a3b4b8a9 100644 --- a/gdhcp/client.c +++ b/gdhcp/client.c @@ -2470,6 +2470,28 @@ static uint8_t *alloc_dhcp_string_option(int code, const char *str) return alloc_dhcp_data_option(code, (const uint8_t *)str, strlen(str)); } +GDHCPClientError g_dhcp_client_set_id(GDHCPClient *dhcp_client) +{ + const unsigned maclen = 6; + const unsigned idlen = maclen + 1; + const uint8_t option_code = G_DHCP_CLIENT_ID; + uint8_t idbuf[idlen]; + uint8_t *data_option; + + idbuf[0] = ARPHRD_ETHER; + + memcpy(&idbuf[1], dhcp_client->mac_address, maclen); + + data_option = alloc_dhcp_data_option(option_code, idbuf, idlen); + if (data_option == NULL) + return G_DHCP_CLIENT_ERROR_NOMEM; + + g_hash_table_insert(dhcp_client->send_value_hash, + GINT_TO_POINTER((int) option_code), data_option); + + return G_DHCP_CLIENT_ERROR_NONE; +} + /* Now only support send hostname */ GDHCPClientError g_dhcp_client_set_send(GDHCPClient *dhcp_client, unsigned char option_code, const char *option_value) diff --git a/gdhcp/gdhcp.h b/gdhcp/gdhcp.h index edebc9e1..4453b26f 100644 --- a/gdhcp/gdhcp.h +++ b/gdhcp/gdhcp.h @@ -74,6 +74,7 @@ typedef enum { #define G_DHCP_DOMAIN_NAME 0x0f #define G_DHCP_HOST_NAME 0x0c #define G_DHCP_NTP_SERVER 0x2a +#define G_DHCP_CLIENT_ID 0x3d #define G_DHCPV6_CLIENTID 1 #define G_DHCPV6_SERVERID 2 @@ -121,6 +122,7 @@ GDHCPClientError g_dhcp_client_set_request(GDHCPClient *client, unsigned int option_code); void g_dhcp_client_clear_requests(GDHCPClient *dhcp_client); void g_dhcp_client_clear_values(GDHCPClient *dhcp_client); +GDHCPClientError g_dhcp_client_set_id(GDHCPClient *client); GDHCPClientError g_dhcp_client_set_send(GDHCPClient *client, unsigned char option_code, const char *option_value); |