gdhcp/gdhcp.h

   1 /*
   2  *
   3  *  DHCP library with GLib integration
   4  *
   5  *  Copyright (C) 2009-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifndef __G_DHCP_H
  23 #define __G_DHCP_H
  24
  25 #include <stdint.h>
  26
  27 #include <glib.h>
  28
  29 #ifdef __cplusplus
  30 extern "C" {
  31 #endif
  32
  33 /* DHCP Client part*/
  34 struct _GDHCPClient;
  35
  36 typedef struct _GDHCPClient GDHCPClient;
  37
  38 typedef enum {
  39         G_DHCP_CLIENT_ERROR_NONE,
  40         G_DHCP_CLIENT_ERROR_INTERFACE_UNAVAILABLE,
  41         G_DHCP_CLIENT_ERROR_INTERFACE_IN_USE,
  42         G_DHCP_CLIENT_ERROR_INTERFACE_DOWN,
  43         G_DHCP_CLIENT_ERROR_NOMEM,
  44         G_DHCP_CLIENT_ERROR_INVALID_INDEX,
  45         G_DHCP_CLIENT_ERROR_INVALID_OPTION
  46 } GDHCPClientError;
  47
  48 typedef enum {
  49         G_DHCP_CLIENT_EVENT_LEASE_AVAILABLE,
  50         G_DHCP_CLIENT_EVENT_IPV4LL_AVAILABLE,
  51         G_DHCP_CLIENT_EVENT_NO_LEASE,
  52         G_DHCP_CLIENT_EVENT_LEASE_LOST,
  53         G_DHCP_CLIENT_EVENT_IPV4LL_LOST,
  54         G_DHCP_CLIENT_EVENT_ADDRESS_CONFLICT,
  55         G_DHCP_CLIENT_EVENT_INFORMATION_REQ,
  56 } GDHCPClientEvent;
  57
  58 typedef enum {
  59         G_DHCP_IPV4,
  60         G_DHCP_IPV6,
  61         G_DHCP_IPV4LL,
  62 } GDHCPType;
  63
  64 #define G_DHCP_SUBNET           0x01
  65 #define G_DHCP_ROUTER           0x03
  66 #define G_DHCP_TIME_SERVER      0x04
  67 #define G_DHCP_DNS_SERVER       0x06
  68 #define G_DHCP_DOMAIN_NAME      0x0f
  69 #define G_DHCP_HOST_NAME        0x0c
  70 #define G_DHCP_NTP_SERVER       0x2a
  71
  72 #define G_DHCPV6_CLIENTID       1
  73 #define G_DHCPV6_SERVERID       2
  74 #define G_DHCPV6_ORO            6
  75 #define G_DHCPV6_STATUS_CODE    13
  76 #define G_DHCPV6_DNS_SERVERS    23
  77 #define G_DHCPV6_SNTP_SERVERS   31
  78
  79 typedef enum {
  80         G_DHCPV6_DUID_LLT = 1,
  81         G_DHCPV6_DUID_EN  = 2,
  82         G_DHCPV6_DUID_LL  = 3,
  83 } GDHCPDuidType;
  84
  85 typedef void (*GDHCPClientEventFunc) (GDHCPClient *client, gpointer user_data);
  86
  87 typedef void (*GDHCPDebugFunc)(const char *str, gpointer user_data);
  88
  89 GDHCPClient *g_dhcp_client_new(GDHCPType type, int index,
  90                                                 GDHCPClientError *error);
  91
  92 int g_dhcp_client_start(GDHCPClient *client, const char *last_address);
  93 void g_dhcp_client_stop(GDHCPClient *client);
  94
  95 GDHCPClient *g_dhcp_client_ref(GDHCPClient *client);
  96 void g_dhcp_client_unref(GDHCPClient *client);
  97
  98 void g_dhcp_client_register_event(GDHCPClient *client,
  99                                         GDHCPClientEvent event,
 100                                         GDHCPClientEventFunc func,
 101                                         gpointer user_data);
 102
 103 GDHCPClientError g_dhcp_client_set_request(GDHCPClient *client,
 104                                                 unsigned int option_code);
 105 GDHCPClientError g_dhcp_client_set_send(GDHCPClient *client,
 106                                                 unsigned char option_code,
 107                                                 const char *option_value);
 108
 109 char *g_dhcp_client_get_address(GDHCPClient *client);
 110 char *g_dhcp_client_get_netmask(GDHCPClient *client);
 111 GList *g_dhcp_client_get_option(GDHCPClient *client,
 112                                                 unsigned char option_code);
 113 int g_dhcp_client_get_index(GDHCPClient *client);
 114
 115 void g_dhcp_client_set_debug(GDHCPClient *client,
 116                                 GDHCPDebugFunc func, gpointer user_data);
 117 int g_dhcpv6_create_duid(GDHCPDuidType duid_type, int index, int type,
 118                         unsigned char **duid, int *duid_len);
 119 int g_dhcpv6_client_set_duid(GDHCPClient *dhcp_client, unsigned char *duid,
 120                         int duid_len);
 121 void g_dhcpv6_client_set_send(GDHCPClient *dhcp_client, uint16_t option_code,
 122                         uint8_t *option_value, uint16_t option_len);
 123 uint16_t g_dhcpv6_client_get_status(GDHCPClient *dhcp_client);
 124 int g_dhcpv6_client_set_oro(GDHCPClient *dhcp_client, int args, ...);
 125
 126 /* DHCP Server */
 127 typedef enum {
 128         G_DHCP_SERVER_ERROR_NONE,
 129         G_DHCP_SERVER_ERROR_INTERFACE_UNAVAILABLE,
 130         G_DHCP_SERVER_ERROR_INTERFACE_IN_USE,
 131         G_DHCP_SERVER_ERROR_INTERFACE_DOWN,
 132         G_DHCP_SERVER_ERROR_NOMEM,
 133         G_DHCP_SERVER_ERROR_INVALID_INDEX,
 134         G_DHCP_SERVER_ERROR_INVALID_OPTION,
 135         G_DHCP_SERVER_ERROR_IP_ADDRESS_INVALID
 136 } GDHCPServerError;
 137
 138 typedef void (*GDHCPSaveLeaseFunc) (unsigned char *mac,
 139                         unsigned int nip, unsigned int expire);
 140 struct _GDHCPServer;
 141
 142 typedef struct _GDHCPServer GDHCPServer;
 143
 144 GDHCPServer *g_dhcp_server_new(GDHCPType type,
 145                 int ifindex, GDHCPServerError *error);
 146 int g_dhcp_server_start(GDHCPServer *server);
 147 void g_dhcp_server_stop(GDHCPServer *server);
 148
 149 GDHCPServer *g_dhcp_server_ref(GDHCPServer *server);
 150 void g_dhcp_server_unref(GDHCPServer *server);
 151
 152 int g_dhcp_server_set_option(GDHCPServer *server,
 153                 unsigned char option_code, const char *option_value);
 154 int g_dhcp_server_set_ip_range(GDHCPServer *server,
 155                 const char *start_ip, const char *end_ip);
 156 void g_dhcp_server_load_lease(GDHCPServer *dhcp_server, unsigned int expire,
 157                                 unsigned char *mac, unsigned int lease_ip);
 158 void g_dhcp_server_set_debug(GDHCPServer *server,
 159                                 GDHCPDebugFunc func, gpointer user_data);
 160 void g_dhcp_server_set_lease_time(GDHCPServer *dhcp_server,
 161                                                 unsigned int lease_time);
 162 void g_dhcp_server_set_save_lease(GDHCPServer *dhcp_server,
 163                                 GDHCPSaveLeaseFunc func, gpointer user_data);
 164 #ifdef __cplusplus
 165 }
 166 #endif
 167
 168 #endif /* __G_DHCP_H */