mirror of git://git.gnupg.org/gnupg.git
152 lines
3.6 KiB
C
152 lines
3.6 KiB
C
/* w32-afunix.c - AF_UNIX emulation for Windows.
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* Copyright (C) 2004, 2006 g10 Code GmbH
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*
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* This file is part of JNLIB.
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*
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* JNLIB is free software; you can redistribute it and/or modify it
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* under the terms of the GNU Lesser General Public License as
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* published by the Free Software Foundation; either version 2.1 of
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* the License, or (at your option) any later version.
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*
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* JNLIB is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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#ifdef _WIN32
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#include <stdio.h>
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#include <windows.h>
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#include <fcntl.h>
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#include <sys/stat.h>
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#include <io.h>
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#include <errno.h>
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#include "w32-afunix.h"
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#ifndef S_IRGRP
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# define S_IRGRP 0
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# define S_IWGRP 0
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#endif
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int
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_w32_close (int fd)
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{
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int rc = closesocket (fd);
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if (rc && WSAGetLastError () == WSAENOTSOCK)
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rc = close (fd);
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return rc;
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}
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int
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_w32_sock_new (int domain, int type, int proto)
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{
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if (domain == AF_UNIX || domain == AF_LOCAL)
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domain = AF_INET;
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return socket (domain, type, proto);
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}
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int
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_w32_sock_connect (int sockfd, struct sockaddr * addr, int addrlen)
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{
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struct sockaddr_in myaddr;
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struct sockaddr_un * unaddr;
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FILE * fp;
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int port;
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unaddr = (struct sockaddr_un *)addr;
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fp = fopen (unaddr->sun_path, "rb");
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if (!fp)
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return -1;
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fscanf (fp, "%d", &port);
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fclose (fp);
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if (port < 0 || port > 65535)
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{
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errno = EINVAL;
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return -1;
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}
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myaddr.sin_family = AF_INET;
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myaddr.sin_port = port;
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myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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/* we need this later. */
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unaddr->sun_family = myaddr.sin_family;
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unaddr->sun_port = myaddr.sin_port;
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unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
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return connect (sockfd, (struct sockaddr *)&myaddr, sizeof myaddr);
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}
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int
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_w32_sock_bind (int sockfd, struct sockaddr *addr, int addrlen)
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{
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if (addr->sa_family == AF_LOCAL || addr->sa_family == AF_UNIX)
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{
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struct sockaddr_in myaddr;
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struct sockaddr_un *unaddr;
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int filefd;
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FILE *fp;
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int len = sizeof myaddr;
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int rc;
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unaddr = (struct sockaddr_un *)addr;
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myaddr.sin_port = 0;
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myaddr.sin_family = AF_INET;
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myaddr.sin_addr.s_addr = htonl (INADDR_LOOPBACK);
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filefd = open (unaddr->sun_path,
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(O_WRONLY|O_CREAT|O_EXCL|O_BINARY),
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(S_IRUSR|S_IWUSR|S_IRGRP|S_IWGRP));
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if (filefd == -1)
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{
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if (errno == EEXIST)
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errno = WSAEADDRINUSE;
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return -1;
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}
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fp = fdopen (filefd, "wb");
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if (!fp)
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{
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int save_e = errno;
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close (filefd);
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errno = save_e;
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return -1;
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}
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rc = bind (sockfd, (struct sockaddr *)&myaddr, len);
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if (!rc)
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rc = getsockname (sockfd, (struct sockaddr *)&myaddr, &len);
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if (rc)
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{
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int save_e = errno;
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fclose (fp);
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remove (unaddr->sun_path);
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errno = save_e;
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return rc;
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}
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fprintf (fp, "%d", myaddr.sin_port);
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fclose (fp);
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/* The caller expects these values. */
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unaddr->sun_family = myaddr.sin_family;
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unaddr->sun_port = myaddr.sin_port;
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unaddr->sun_addr.s_addr = myaddr.sin_addr.s_addr;
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return 0;
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}
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return bind (sockfd, addr, addrlen);
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}
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#endif /*_WIN32*/
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