/usr/share/ada/adainclude/anet/anet-sockets.adb is in libanet0.1-dev 0.1-3.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 | --
-- Copyright (C) 2011, 2012 secunet Security Networks AG
-- Copyright (C) 2011, 2012 Reto Buerki <reet@codelabs.ch>
-- Copyright (C) 2011, 2012 Adrian-Ken Rueegsegger <ken@codelabs.ch>
--
-- This program is free software; you can redistribute it and/or modify it
-- under the terms of the GNU General Public License as published by the
-- Free Software Foundation; either version 2 of the License, or (at your
-- option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
--
-- This program is distributed in the hope that it will be useful, but
-- WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
-- or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
-- for more details.
--
-- As a special exception, if other files instantiate generics from this
-- unit, or you link this unit with other files to produce an
-- executable this unit does not by itself cause the resulting
-- executable to be covered by the GNU General Public License. This
-- exception does not however invalidate any other reasons why the
-- executable file might be covered by the GNU Public License.
--
with Anet.OS;
with Anet.Sockets.Thin;
package body Anet.Sockets is
function Get_Iface_Index
(Name : Iface_Name_Type)
return Positive
renames Thin.Get_Iface_Index;
function Get_Iface_Mac
(Name : Iface_Name_Type)
return Hardware_Addr_Type
renames Thin.Get_Iface_Mac;
function Get_Iface_IP
(Name : Iface_Name_Type)
return IPv4_Addr_Type
renames Thin.Get_Iface_IP;
function Is_Iface_Up
(Name : Iface_Name_Type)
return Boolean
renames Thin.Is_Iface_Up;
procedure Set_Iface_State
(Name : Iface_Name_Type;
State : Boolean)
renames Thin.Set_Iface_State;
-------------------------------------------------------------------------
procedure Accept_Connection
(Socket : Socket_Type;
New_Socket : out Socket_Type)
is
Sock_In : Thin.Sockaddr_In_Type (Family => Family_Inet);
Sock_In6 : Thin.Sockaddr_In_Type (Family => Family_Inet6);
Sock_Un : Thin.Sockaddr_Un_Type;
Sock_Addr : System.Address;
Sock_Len : Integer := 0;
begin
New_Socket.Address := Socket.Address;
case Socket.Address.Family is
when Family_Inet =>
Sock_Addr := Sock_In'Address;
Sock_Len := Sock_In'Size / 8;
when Family_Inet6 =>
Sock_Addr := Sock_In6'Address;
Sock_Len := Sock_In6'Size / 8;
when Family_Unix =>
Sock_Addr := Sock_Un'Address;
Sock_Len := Sock_Un'Size / 8;
when others =>
raise Socket_Error with "Accept operation not supported for "
& Socket.Address.Family'Img & " sockets";
end case;
Thin.Accept_Socket (Socket => Socket.Sock_FD,
Sockaddr => Sock_Addr,
Sockaddr_Len => Sock_Len,
New_Socket => New_Socket.Sock_FD);
end Accept_Connection;
-------------------------------------------------------------------------
procedure Bind
(Socket : in out Socket_Type;
Address : Socket_Addr_Type := (Addr_V4 => Any_Addr, others => <>);
Iface : Iface_Name_Type := "")
is
begin
Thin.Set_Socket_Option
(Socket => Socket.Sock_FD,
Option => Reuse_Address,
Value => True);
Thin.Bind_Socket (Socket => Socket.Sock_FD,
Address => Address);
Socket.Address := Address;
if Iface'Length /= 0 then
Thin.Set_Socket_Option
(Socket => Socket.Sock_FD,
Level => Thin.Socket_Level,
Option => Bind_To_Device,
Value => String (Iface));
end if;
end Bind;
-------------------------------------------------------------------------
procedure Bind_Packet
(Socket : in out Socket_Type;
Iface : Iface_Name_Type)
is
begin
Thin.Bind_Socket (Socket => Socket.Sock_FD,
Iface => Iface);
Socket.Address.HW_Addr := Get_Iface_Mac (Name => Iface);
end Bind_Packet;
-------------------------------------------------------------------------
procedure Bind_Unix
(Socket : in out Socket_Type;
Path : Unix_Path_Type)
is
begin
Thin.Bind_Unix_Socket (Socket => Socket.Sock_FD,
Path => Path);
Socket.Address.Path := Ada.Strings.Unbounded.To_Unbounded_String
(String (Path));
end Bind_Unix;
-------------------------------------------------------------------------
procedure Close (Socket : in out Socket_Type)
is
begin
if Socket.Sock_FD /= -1 then
Thin.Close_Socket (Socket => Socket.Sock_FD);
Socket.Sock_FD := -1;
if Socket.Address.Family = Family_Unix then
OS.Delete_File (Filename => Ada.Strings.Unbounded.To_String
(Socket.Address.Path));
end if;
end if;
end Close;
-------------------------------------------------------------------------
procedure Connect
(Socket : in out Socket_Type;
Dst : Socket_Addr_Type)
is
begin
if Dst.Family = Family_Unix then
Thin.Connect_Socket (Socket => Socket.Sock_FD,
Path => Unix_Path_Type
(Ada.Strings.Unbounded.To_String (Dst.Path)));
else
Thin.Connect_Socket (Socket => Socket.Sock_FD,
Dst => Dst);
end if;
end Connect;
-------------------------------------------------------------------------
procedure Create
(Socket : out Socket_Type;
Family : Family_Type;
Mode : Mode_Type)
is
Addr : Socket_Addr_Type (Family => Family);
begin
Thin.Create_Socket (Socket => Socket.Sock_FD,
Family => Family,
Mode => Mode);
Socket.Address := Addr;
end Create;
-------------------------------------------------------------------------
procedure Finalize (Socket : in out Socket_Type)
is
begin
Socket.Close;
end Finalize;
-------------------------------------------------------------------------
function Is_Valid_Iface (Name : String) return Boolean
is
begin
if Name'Length in Iface_Name_Range then
return True;
else
return False;
end if;
end Is_Valid_Iface;
-------------------------------------------------------------------------
function Is_Valid_Unix (Path : String) return Boolean
is
begin
if Path'Length in Unix_Path_Range then
return True;
else
return False;
end if;
end Is_Valid_Unix;
-------------------------------------------------------------------------
procedure Join_Multicast_Group
(Socket : Socket_Type;
Group : Socket_Addr_Type;
Iface : Iface_Name_Type := "")
is
begin
Thin.Join_Multicast_Group (Socket => Socket.Sock_FD,
Group => Group,
Iface => Iface);
end Join_Multicast_Group;
-------------------------------------------------------------------------
procedure Listen
(Socket : Socket_Type;
Backlog : Positive := 1)
is
begin
Thin.Listen_Socket (Socket => Socket.Sock_FD,
Backlog => Backlog);
end Listen;
-------------------------------------------------------------------------
procedure Receive
(Socket : Socket_Type;
Src : out Socket_Addr_Type;
Item : out Ada.Streams.Stream_Element_Array;
Last : out Ada.Streams.Stream_Element_Offset)
is
begin
if Socket.Address.Family = Family_Packet then
Thin.Receive_Socket (Socket => Socket.Sock_FD,
Data => Item,
Last => Last,
Src_HW_Addr => Src.HW_Addr);
elsif Socket.Address.Family = Family_Unix then
Thin.Receive_Socket (Socket => Socket.Sock_FD,
Data => Item,
Last => Last);
else
Thin.Receive_Socket (Socket => Socket.Sock_FD,
Data => Item,
Last => Last,
Source => Src);
end if;
end Receive;
-------------------------------------------------------------------------
procedure Send
(Socket : Socket_Type;
Item : Ada.Streams.Stream_Element_Array;
Dst : Socket_Addr_Type)
is
use type Ada.Streams.Stream_Element_Offset;
Len : Ada.Streams.Stream_Element_Offset;
begin
Thin.Send_Socket (Socket => Socket.Sock_FD,
Data => Item,
Last => Len,
Dst => Dst);
if Len /= Item'Length then
raise Socket_Error with "Incomplete send operation to "
& To_String (Address => Dst) & ", only" & Len'Img & " of"
& Item'Length'Img & " bytes sent";
end if;
end Send;
-------------------------------------------------------------------------
procedure Send
(Socket : Socket_Type;
Item : Ada.Streams.Stream_Element_Array;
To : Hardware_Addr_Type;
Iface : Iface_Name_Type)
is
use type Ada.Streams.Stream_Element_Offset;
Len : Ada.Streams.Stream_Element_Offset;
begin
Thin.Send_Socket
(Socket => Socket.Sock_FD,
Data => Item,
Last => Len,
To => To,
Iface => Iface);
if Len /= Item'Length then
raise Socket_Error with "Incomplete packet send operation to "
& To_String (Address => To) & ", only" & Len'Img & " of"
& Item'Length'Img & " bytes sent";
end if;
end Send;
-------------------------------------------------------------------------
procedure Send
(Socket : Socket_Type;
Item : Ada.Streams.Stream_Element_Array)
is
use type Ada.Streams.Stream_Element_Offset;
Len : Ada.Streams.Stream_Element_Offset;
begin
Thin.Send_Socket
(Socket => Socket.Sock_FD,
Data => Item,
Last => Len);
if Len /= Item'Length then
raise Socket_Error with "Incomplete send operation on unix socket"
& ", only" & Len'Img & " of" & Item'Length'Img & " bytes sent";
end if;
end Send;
-------------------------------------------------------------------------
procedure Set_Socket_Option
(Socket : Socket_Type;
Option : Option_Name_Bool;
Value : Boolean)
is
begin
Thin.Set_Socket_Option
(Socket => Socket.Sock_FD,
Option => Option,
Value => Value);
end Set_Socket_Option;
-------------------------------------------------------------------------
procedure Set_Socket_Option
(Socket : Socket_Type;
Option : Option_Name_Str;
Value : String)
is
begin
Thin.Set_Socket_Option
(Socket => Socket.Sock_FD,
Option => Option,
Value => Value);
end Set_Socket_Option;
-------------------------------------------------------------------------
function To_String (Address : Socket_Addr_Type) return String
is
begin
case Address.Family is
when Family_Inet =>
return To_String (Address => Address.Addr_V4)
& " (" & Address.Port_V4'Img & " )";
when Family_Inet6 =>
return To_String (Address => Address.Addr_V6)
& " (" & Address.Port_V6'Img & " )";
when Family_Packet =>
return To_String (Address => Address.HW_Addr);
when Family_Unix =>
return Ada.Strings.Unbounded.To_String (Source => Address.Path);
end case;
end To_String;
end Anet.Sockets;
|