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 #include "sparse-endian.h"
  31
  32 #include "_sd-common.h"
  33
  34 _SD_BEGIN_DECLARATIONS;
  35
  36 enum {
  37         SD_DHCP_CLIENT_EVENT_STOP               = 0,
  38         SD_DHCP_CLIENT_EVENT_IP_ACQUIRE         = 1,
  39         SD_DHCP_CLIENT_EVENT_IP_CHANGE          = 2,
  40         SD_DHCP_CLIENT_EVENT_EXPIRED            = 3,
  41         SD_DHCP_CLIENT_EVENT_RENEW              = 4,
  42 };
  43
  44 enum {
  45         SD_DHCP_OPTION_PAD                         = 0,
  46         SD_DHCP_OPTION_SUBNET_MASK                 = 1,
  47         SD_DHCP_OPTION_TIME_OFFSET                 = 2,
  48         SD_DHCP_OPTION_ROUTER                      = 3,
  49         SD_DHCP_OPTION_DOMAIN_NAME_SERVER          = 6,
  50         SD_DHCP_OPTION_HOST_NAME                   = 12,
  51         SD_DHCP_OPTION_BOOT_FILE_SIZE              = 13,
  52         SD_DHCP_OPTION_DOMAIN_NAME                 = 15,
  53         SD_DHCP_OPTION_ROOT_PATH                   = 17,
  54         SD_DHCP_OPTION_ENABLE_IP_FORWARDING        = 19,
  55         SD_DHCP_OPTION_ENABLE_IP_FORWARDING_NL     = 20,
  56         SD_DHCP_OPTION_POLICY_FILTER               = 21,
  57         SD_DHCP_OPTION_INTERFACE_MDR               = 22,
  58         SD_DHCP_OPTION_INTERFACE_TTL               = 23,
  59         SD_DHCP_OPTION_INTERFACE_MTU_AGING_TIMEOUT = 24,
  60         SD_DHCP_OPTION_INTERFACE_MTU               = 26,
  61         SD_DHCP_OPTION_BROADCAST                   = 28,
  62         SD_DHCP_OPTION_STATIC_ROUTE                = 33,
  63         SD_DHCP_OPTION_NTP_SERVER                  = 42,
  64         SD_DHCP_OPTION_VENDOR_SPECIFIC             = 43,
  65         SD_DHCP_OPTION_REQUESTED_IP_ADDRESS        = 50,
  66         SD_DHCP_OPTION_IP_ADDRESS_LEASE_TIME       = 51,
  67         SD_DHCP_OPTION_OVERLOAD                    = 52,
  68         SD_DHCP_OPTION_MESSAGE_TYPE                = 53,
  69         SD_DHCP_OPTION_SERVER_IDENTIFIER           = 54,
  70         SD_DHCP_OPTION_PARAMETER_REQUEST_LIST      = 55,
  71         SD_DHCP_OPTION_ERROR_MESSAGE               = 56,
  72         SD_DHCP_OPTION_MAXIMUM_MESSAGE_SIZE        = 57,
  73         SD_DHCP_OPTION_RENEWAL_T1_TIME             = 58,
  74         SD_DHCP_OPTION_REBINDING_T2_TIME           = 59,
  75         SD_DHCP_OPTION_VENDOR_CLASS_IDENTIFIER     = 60,
  76         SD_DHCP_OPTION_CLIENT_IDENTIFIER           = 61,
  77         SD_DHCP_OPTION_FQDN                        = 81,
  78         SD_DHCP_OPTION_NEW_POSIX_TIMEZONE          = 100,
  79         SD_DHCP_OPTION_NEW_TZDB_TIMEZONE           = 101,
  80         SD_DHCP_OPTION_CLASSLESS_STATIC_ROUTE      = 121,
  81         SD_DHCP_OPTION_PRIVATE_BASE                = 224,
  82         SD_DHCP_OPTION_PRIVATE_LAST                = 254,
  83         SD_DHCP_OPTION_END                         = 255,
  84 };
  85
  86 struct duid;
  87 typedef struct sd_dhcp_client sd_dhcp_client;
  88
  89 typedef void (*sd_dhcp_client_callback_t)(sd_dhcp_client *client, int event,
  90                                     void *userdata);
  91 int sd_dhcp_client_set_callback(sd_dhcp_client *client, sd_dhcp_client_callback_t cb,
  92                                 void *userdata);
  93
  94 int sd_dhcp_client_set_request_option(sd_dhcp_client *client, uint8_t option);
  95 int sd_dhcp_client_set_request_address(sd_dhcp_client *client,
  96                                        const struct in_addr *last_address);
  97 int sd_dhcp_client_set_request_broadcast(sd_dhcp_client *client, int broadcast);
  98 int sd_dhcp_client_set_index(sd_dhcp_client *client, int interface_index);
  99 int sd_dhcp_client_set_mac(sd_dhcp_client *client, const uint8_t *addr,
 100                            size_t addr_len, uint16_t arp_type);
 101 int sd_dhcp_client_set_client_id(sd_dhcp_client *client, uint8_t type,
 102                                  const uint8_t *data, size_t data_len);
 103 int sd_dhcp_client_set_iaid_duid(sd_dhcp_client *client, be32_t iaid,
 104                                  size_t duid_len, struct duid *duid);
 105 int sd_dhcp_client_get_client_id(sd_dhcp_client *client, uint8_t *type,
 106                                  const uint8_t **data, size_t *data_len);
 107 int sd_dhcp_client_set_mtu(sd_dhcp_client *client, uint32_t mtu);
 108 int sd_dhcp_client_set_hostname(sd_dhcp_client *client, const char *hostname);
 109 int sd_dhcp_client_set_vendor_class_identifier(sd_dhcp_client *client, const char *vci);
 110 int sd_dhcp_client_get_lease(sd_dhcp_client *client, sd_dhcp_lease **ret);
 111
 112 int sd_dhcp_client_stop(sd_dhcp_client *client);
 113 int sd_dhcp_client_start(sd_dhcp_client *client);
 114
 115 sd_dhcp_client *sd_dhcp_client_ref(sd_dhcp_client *client);
 116 sd_dhcp_client *sd_dhcp_client_unref(sd_dhcp_client *client);
 117
 118 int sd_dhcp_client_new(sd_dhcp_client **ret);
 119
 120 int sd_dhcp_client_attach_event(sd_dhcp_client *client, sd_event *event, int64_t priority);
 121 int sd_dhcp_client_detach_event(sd_dhcp_client *client);
 122 sd_event *sd_dhcp_client_get_event(sd_dhcp_client *client);
 123
 124 _SD_DEFINE_POINTER_CLEANUP_FUNC(sd_dhcp_client, sd_dhcp_client_unref);
 125
 126 _SD_END_DECLARATIONS;
 127
 128 #endif