src/libsystemd-network/dhcp-lease-internal.h

   1 /* SPDX-License-Identifier: LGPL-2.1+ */
   2 #pragma once
   3
   4 /***
   5   Copyright © 2013 Intel Corporation. All rights reserved.
   6 ***/
   7
   8 #include "sd-dhcp-client.h"
   9
  10 #include "dhcp-internal.h"
  11 #include "dhcp-protocol.h"
  12 #include "list.h"
  13 #include "util.h"
  14
  15 struct sd_dhcp_route {
  16         struct in_addr dst_addr;
  17         struct in_addr gw_addr;
  18         unsigned char dst_prefixlen;
  19
  20         uint8_t option;
  21 };
  22
  23 struct sd_dhcp_raw_option {
  24         LIST_FIELDS(struct sd_dhcp_raw_option, options);
  25
  26         uint8_t tag;
  27         uint8_t length;
  28         void *data;
  29 };
  30
  31 struct sd_dhcp_lease {
  32         unsigned n_ref;
  33
  34         /* each 0 if unset */
  35         uint32_t t1;
  36         uint32_t t2;
  37         uint32_t lifetime;
  38
  39         /* each 0 if unset */
  40         be32_t address;
  41         be32_t server_address;
  42         be32_t next_server;
  43
  44         bool have_subnet_mask;
  45         be32_t subnet_mask;
  46
  47         bool have_broadcast;
  48         be32_t broadcast;
  49
  50         struct in_addr *router;
  51         size_t router_size;
  52
  53         DHCPServerData servers[_SD_DHCP_LEASE_SERVER_TYPE_MAX];
  54
  55         struct sd_dhcp_route *static_route;
  56         size_t static_route_size, static_route_allocated;
  57
  58         uint16_t mtu; /* 0 if unset */
  59
  60         char *domainname;
  61         char **search_domains;
  62         char *hostname;
  63         char *root_path;
  64
  65         void *client_id;
  66         size_t client_id_len;
  67
  68         void *vendor_specific;
  69         size_t vendor_specific_len;
  70
  71         char *timezone;
  72
  73         LIST_HEAD(struct sd_dhcp_raw_option, private_options);
  74 };
  75
  76 int dhcp_lease_new(sd_dhcp_lease **ret);
  77
  78 int dhcp_lease_parse_options(uint8_t code, uint8_t len, const void *option, void *userdata);
  79 int dhcp_lease_parse_search_domains(const uint8_t *option, size_t len, char ***domains);
  80 int dhcp_lease_insert_private_option(sd_dhcp_lease *lease, uint8_t tag, const void *data, uint8_t len);
  81
  82 int dhcp_lease_set_default_subnet_mask(sd_dhcp_lease *lease);
  83
  84 int dhcp_lease_set_client_id(sd_dhcp_lease *lease, const void *client_id, size_t client_id_len);