diff options
Diffstat (limited to 'src/libsystemd-network/sd-dhcp-server.c')
| -rw-r--r-- | src/libsystemd-network/sd-dhcp-server.c | 26 |
1 files changed, 25 insertions, 1 deletions
diff --git a/src/libsystemd-network/sd-dhcp-server.c b/src/libsystemd-network/sd-dhcp-server.c index 50d9b7fcfc..c224aa1512 100644 --- a/src/libsystemd-network/sd-dhcp-server.c +++ b/src/libsystemd-network/sd-dhcp-server.c @@ -51,13 +51,16 @@ int sd_dhcp_server_set_lease_pool(sd_dhcp_server *server, struct in_addr *addres return 0; } -int sd_dhcp_server_set_address(sd_dhcp_server *server, struct in_addr *address) { +int sd_dhcp_server_set_address(sd_dhcp_server *server, struct in_addr *address, unsigned char prefixlen) { assert_return(server, -EINVAL); assert_return(address, -EINVAL); assert_return(address->s_addr, -EINVAL); + assert_return(prefixlen <= 32, -ERANGE); assert_return(server->address == htobe32(INADDR_ANY), -EBUSY); + assert_return(server->netmask == htobe32(INADDR_ANY), -EBUSY); server->address = address->s_addr; + server->netmask = htobe32(0xfffffffflu << (32 - prefixlen)); return 0; } @@ -150,6 +153,7 @@ int sd_dhcp_server_new(sd_dhcp_server **ret, int ifindex) { server->fd_raw = -1; server->fd = -1; server->address = htobe32(INADDR_ANY); + server->netmask = htobe32(INADDR_ANY); server->index = ifindex; server->leases_by_client_id = hashmap_new(client_id_hash_func, client_id_compare_func); @@ -408,6 +412,16 @@ static int server_send_offer(sd_dhcp_server *server, DHCPRequest *req, be32_t ad if (r < 0) return r; + r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_SUBNET_MASK, 4, &server->netmask); + if (r < 0) + return r; + + r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_ROUTER, 4, &server->address); + if (r < 0) + return r; + r = dhcp_server_send_packet(server, req, packet, DHCP_OFFER, offset); if (r < 0) return r; @@ -433,6 +447,16 @@ static int server_send_ack(sd_dhcp_server *server, DHCPRequest *req, be32_t addr if (r < 0) return r; + r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_SUBNET_MASK, 4, &server->netmask); + if (r < 0) + return r; + + r = dhcp_option_append(&packet->dhcp, req->max_optlen, &offset, 0, + DHCP_OPTION_ROUTER, 4, &server->address); + if (r < 0) + return r; + r = dhcp_server_send_packet(server, req, packet, DHCP_ACK, offset); if (r < 0) return r; |