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/*
* Copyright (c) 2002-2010 Balabit
* Copyright (c) 1998-2010 Balázs Scheidler
*
* This library 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 2.1 of the License, or (at your option) any later version.
*
* This library 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 library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* As an additional exemption you are allowed to compile & link against the
* OpenSSL libraries as published by the OpenSSL project. See the file
* COPYING for details.
*
*/
#include "gsocket.h"
#include <errno.h>
#include <arpa/inet.h>
/**
* g_inet_ntoa:
* @buf: store result in this buffer
* @bufsize: the available space in buf
* @a: address to convert.
*
* Thread friendly version of inet_ntoa(), converts an IP address to
* human readable form. Returns: the address of buf
**/
gchar *
g_inet_ntoa(char *buf, size_t bufsize, struct in_addr a)
{
unsigned int ip = ntohl(a.s_addr);
g_snprintf(buf, bufsize, "%d.%d.%d.%d",
(ip & 0xff000000) >> 24,
(ip & 0x00ff0000) >> 16,
(ip & 0x0000ff00) >> 8,
(ip & 0x000000ff));
return buf;
}
gint
g_inet_aton(char *buf, struct in_addr *a)
{
return inet_aton(buf, a);
}
/**
* g_bind:
* @fd: fd to bind
* @addr: address to bind to
*
* A thin interface around bind() using a GSockAddr structure for
* socket address. It enables the NET_BIND_SERVICE capability (should be
* in the permitted set.
**/
GIOStatus
g_bind(int fd, GSockAddr *addr)
{
GIOStatus rc;
if (addr->sa_funcs && addr->sa_funcs->bind_prepare)
addr->sa_funcs->bind_prepare(fd, addr);
if (addr->sa_funcs && addr->sa_funcs->bind)
rc = addr->sa_funcs->bind(fd, addr);
else
{
if (addr && bind(fd, &addr->sa, addr->salen) < 0)
{
return G_IO_STATUS_ERROR;
}
rc = G_IO_STATUS_NORMAL;
}
return rc;
}
/**
* g_accept:
* @fd: accept connection on this socket
* @newfd: fd of the accepted connection
* @addr: store the address of the client here
*
* Accept a connection on the given fd, returning the newfd and the
* address of the client in a Zorp SockAddr structure.
*
* Returns: glib style I/O error
**/
GIOStatus
g_accept(int fd, int *newfd, GSockAddr **addr)
{
char sabuf[1024];
socklen_t salen = sizeof(sabuf);
do
{
*newfd = accept(fd, (struct sockaddr *) sabuf, &salen);
}
while (*newfd == -1 && errno == EINTR);
if (*newfd != -1)
{
*addr = g_sockaddr_new((struct sockaddr *) sabuf, salen);
}
else if (errno == EAGAIN)
{
return G_IO_STATUS_AGAIN;
}
else
{
return G_IO_STATUS_ERROR;
}
return G_IO_STATUS_NORMAL;
}
/**
* g_connect:
* @fd: socket to connect
* @remote: remote address
*
* Connect a socket using Zorp style GSockAddr structure.
*
* Returns: glib style I/O error
**/
GIOStatus
g_connect(int fd, GSockAddr *remote)
{
int rc;
do
{
rc = connect(fd, &remote->sa, remote->salen);
}
while (rc == -1 && errno == EINTR);
if (rc == -1)
{
if (errno == EAGAIN)
return G_IO_STATUS_AGAIN;
else
return G_IO_STATUS_ERROR;
}
else
{
return G_IO_STATUS_NORMAL;
}
}
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