mirror of
git://git.gnupg.org/gnupg.git
synced 2024-11-04 20:38:50 +01:00
150 lines
3.5 KiB
C
150 lines
3.5 KiB
C
/* w32-afunix.c - AF_UNIX emulation for Windows.
|
|
* Copyright (C) 2004, 2006 g10 Code GmbH
|
|
*
|
|
* This file is part of JNLIB.
|
|
*
|
|
* JNLIB is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU Lesser General Public License as
|
|
* published by the Free Software Foundation; either version 3 of
|
|
* the License, or (at your option) any later version.
|
|
*
|
|
* JNLIB 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
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifdef _WIN32
|
|
#include <stdio.h>
|
|
#include <windows.h>
|
|
#include <fcntl.h>
|
|
#include <sys/stat.h>
|
|
#include <io.h>
|
|
#include <errno.h>
|
|
|
|
#include "w32-afunix.h"
|
|
|
|
#ifndef S_IRGRP
|
|
# define S_IRGRP 0
|
|
# define S_IWGRP 0
|
|
#endif
|
|
|
|
|
|
int
|
|
_w32_close (int fd)
|
|
{
|
|
int rc = closesocket (fd);
|
|
if (rc && WSAGetLastError () == WSAENOTSOCK)
|
|
rc = close (fd);
|
|
return rc;
|
|
}
|
|
|
|
|
|
int
|
|
_w32_sock_new (int domain, int type, int proto)
|
|
{
|
|
if (domain == AF_UNIX || domain == AF_LOCAL)
|
|
domain = AF_INET;
|
|
return socket (domain, type, proto);
|
|
}
|
|
|
|
|
|
int
|
|
_w32_sock_connect (int sockfd, struct sockaddr * addr, int addrlen)
|
|
{
|
|
struct sockaddr_in myaddr;
|
|
struct sockaddr_un * unaddr;
|
|
FILE * fp;
|
|
int port;
|
|
|
|
unaddr = (struct sockaddr_un *)addr;
|
|
fp = fopen (unaddr->sun_path, "rb");
|
|
if (!fp)
|
|
return -1;
|
|
fscanf (fp, "%d", &port);
|
|
fclose (fp);
|
|
|
|
if (port < 0 || port > 65535)
|
|
{
|
|
errno = EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
myaddr.sin_family = AF_INET;
|
|
myaddr.sin_port = port;
|
|
myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
|
|
|
|
/* we need this later. */
|
|
unaddr->sun_family = myaddr.sin_family;
|
|
unaddr->sun_port = myaddr.sin_port;
|
|
unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
|
|
|
|
return connect (sockfd, (struct sockaddr *)&myaddr, sizeof myaddr);
|
|
}
|
|
|
|
|
|
int
|
|
_w32_sock_bind (int sockfd, struct sockaddr *addr, int addrlen)
|
|
{
|
|
if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
|
|
{
|
|
struct sockaddr_in myaddr;
|
|
struct sockaddr_un *unaddr;
|
|
int filefd;
|
|
FILE *fp;
|
|
int len = sizeof myaddr;
|
|
int rc;
|
|
|
|
unaddr = (struct sockaddr_un *)addr;
|
|
|
|
myaddr.sin_port = 0;
|
|
myaddr.sin_family = AF_INET;
|
|
myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
|
|
|
|
filefd = open (unaddr->sun_path,
|
|
(O_WRONLY|O_CREAT|O_EXCL|O_BINARY),
|
|
(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP));
|
|
if (filefd == -1)
|
|
{
|
|
if (errno == EEXIST)
|
|
errno = WSAEADDRINUSE;
|
|
return -1;
|
|
}
|
|
fp = fdopen (filefd, "wb");
|
|
if (!fp)
|
|
{
|
|
int save_e = errno;
|
|
close (filefd);
|
|
errno = save_e;
|
|
return -1;
|
|
}
|
|
|
|
rc = bind (sockfd, (struct sockaddr *)&myaddr, len);
|
|
if (!rc)
|
|
rc = getsockname (sockfd, (struct sockaddr *)&myaddr, &len);
|
|
if (rc)
|
|
{
|
|
int save_e = errno;
|
|
fclose (fp);
|
|
remove (unaddr->sun_path);
|
|
errno = save_e;
|
|
return rc;
|
|
}
|
|
fprintf (fp, "%d", myaddr.sin_port);
|
|
fclose (fp);
|
|
|
|
/* The caller expects these values. */
|
|
unaddr->sun_family = myaddr.sin_family;
|
|
unaddr->sun_port = myaddr.sin_port;
|
|
unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
|
|
|
|
return 0;
|
|
}
|
|
return bind (sockfd, addr, addrlen);
|
|
}
|
|
|
|
#endif /*_WIN32*/
|