src/systemd/sd-dhcp-client.h

   1 #ifndef foosddhcpclienthfoo
   2 #define foosddhcpclienthfoo
   3
   4 /***
   5   This file is part of systemd.
   6
   7   Copyright (C) 2013 Intel Corporation. All rights reserved.
   8
   9   systemd is free software; you can redistribute it and/or modify it
  10   under the terms of the GNU Lesser General Public License as published by
  11   the Free Software Foundation; either version 2.1 of the License, or
  12   (at your option) any later version.
  13
  14   systemd is distributed in the hope that it will be useful, but
  15   WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  17   Lesser General Public License for more details.
  18
  19   You should have received a copy of the GNU Lesser General Public License
  20   along with systemd; If not, see <http://www.gnu.org/licenses/>.
  21 ***/
  22
  23 #include <inttypes.h>
  24 #include <net/ethernet.h>
  25 #include <netinet/in.h>
  26 #include <sys/types.h>
  27
  28 #include "sd-dhcp-lease.h"
  29 #include "sd-event.h"
  30
  31 #include "_sd-common.h"
  32
  33 _SD_BEGIN_DECLARATIONS;
  34
  35 enum {
  36         SD_DHCP_CLIENT_EVENT_STOP               = 0,
  37         SD_DHCP_CLIENT_EVENT_IP_ACQUIRE         = 1,
  38         SD_DHCP_CLIENT_EVENT_IP_CHANGE          = 2,
  39         SD_DHCP_CLIENT_EVENT_EXPIRED            = 3,
  40         SD_DHCP_CLIENT_EVENT_RENEW              = 4,
  41 };
  42
  43 enum {
  44         SD_DHCP_OPTION_PAD                         = 0,
  45         SD_DHCP_OPTION_SUBNET_MASK                 = 1,
  46         SD_DHCP_OPTION_TIME_OFFSET                 = 2,
  47         SD_DHCP_OPTION_ROUTER                      = 3,
  48         SD_DHCP_OPTION_DOMAIN_NAME_SERVER          = 6,
  49         SD_DHCP_OPTION_HOST_NAME                   = 12,
  50         SD_DHCP_OPTION_BOOT_FILE_SIZE              = 13,
  51         SD_DHCP_OPTION_DOMAIN_NAME                 = 15,
  52         SD_DHCP_OPTION_ROOT_PATH                   = 17,
  53         SD_DHCP_OPTION_ENABLE_IP_FORWARDING        = 19,
  54         SD_DHCP_OPTION_ENABLE_IP_FORWARDING_NL     = 20,
  55         SD_DHCP_OPTION_POLICY_FILTER               = 21,
  56         SD_DHCP_OPTION_INTERFACE_MDR               = 22,
  57         SD_DHCP_OPTION_INTERFACE_TTL               = 23,
  58         SD_DHCP_OPTION_INTERFACE_MTU_AGING_TIMEOUT = 24,
  59         SD_DHCP_OPTION_INTERFACE_MTU               = 26,
  60         SD_DHCP_OPTION_BROADCAST                   = 28,
  61         SD_DHCP_OPTION_STATIC_ROUTE                = 33,
  62         SD_DHCP_OPTION_NTP_SERVER                  = 42,
  63         SD_DHCP_OPTION_VENDOR_SPECIFIC             = 43,
  64         SD_DHCP_OPTION_REQUESTED_IP_ADDRESS        = 50,
  65         SD_DHCP_OPTION_IP_ADDRESS_LEASE_TIME       = 51,
  66         SD_DHCP_OPTION_OVERLOAD                    = 52,
  67         SD_DHCP_OPTION_MESSAGE_TYPE                = 53,
  68         SD_DHCP_OPTION_SERVER_IDENTIFIER           = 54,
  69         SD_DHCP_OPTION_PARAMETER_REQUEST_LIST      = 55,
  70         SD_DHCP_OPTION_ERROR_MESSAGE               = 56,
  71         SD_DHCP_OPTION_MAXIMUM_MESSAGE_SIZE        = 57,
  72         SD_DHCP_OPTION_RENEWAL_T1_TIME             = 58,
  73         SD_DHCP_OPTION_REBINDING_T2_TIME           = 59,
  74         SD_DHCP_OPTION_VENDOR_CLASS_IDENTIFIER     = 60,
  75         SD_DHCP_OPTION_CLIENT_IDENTIFIER           = 61,
  76         SD_DHCP_OPTION_FQDN                        = 81,
  77         SD_DHCP_OPTION_NEW_POSIX_TIMEZONE          = 100,
  78         SD_DHCP_OPTION_NEW_TZDB_TIMEZONE           = 101,
  79         SD_DHCP_OPTION_CLASSLESS_STATIC_ROUTE      = 121,
  80         SD_DHCP_OPTION_PRIVATE_BASE                = 224,
  81         SD_DHCP_OPTION_PRIVATE_LAST                = 254,
  82         SD_DHCP_OPTION_END                         = 255,
  83 };
  84
  85 typedef struct sd_dhcp_client sd_dhcp_client;
  86
  87 typedef void (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event,
  88                                     void *userdata);
  89 int sd_dhcp_client_set_callback(sd_dhcp_client *client, sd_dhcp_client_callback_t cb,
  90                                 void *userdata);
  91
  92 int sd_dhcp_client_set_request_option(sd_dhcp_client *client, uint8_t option);
  93 int sd_dhcp_client_set_request_address(sd_dhcp_client *client,
  94                                        const struct in_addr *last_address);
  95 int sd_dhcp_client_set_request_broadcast(sd_dhcp_client *client, int broadcast);
  96 int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index);
  97 int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
  98                            size_t addr_len, uint16_t arp_type);
  99 int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
 100                                  const uint8_t *data, size_t data_len);
 101 int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
 102                                  const uint8_t **data, size_t *data_len);
 103 int sd_dhcp_client_set_mtu(sd_dhcp_client *client, uint32_t mtu);
 104 int sd_dhcp_client_set_hostname(sd_dhcp_client *client, const char *hostname);
 105 int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client, const char *vci);
 106 int sd_dhcp_client_get_lease(sd_dhcp_client *client, sd_dhcp_lease **ret);
 107
 108 int sd_dhcp_client_stop(sd_dhcp_client *client);
 109 int sd_dhcp_client_start(sd_dhcp_client *client);
 110
 111 sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client);
 112 sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client);
 113
 114 int sd_dhcp_client_new(sd_dhcp_client **ret);
 115
 116 int sd_dhcp_client_attach_event(sd_dhcp_client *client, sd_event *event, int priority);
 117 int sd_dhcp_client_detach_event(sd_dhcp_client *client);
 118 sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client);
 119
 120 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_client, sd_dhcp_client_unref);
 121
 122 _SD_END_DECLARATIONS;
 123
 124 #endif