4f294c247f
This patch mainly copies and modifies files existing in the current libc implementing minix specific functions. To keep consisten with the NetBSD libc, we remove namespace stubs and we use "namespace.h" and weak links.
128 lines
2.6 KiB
C
128 lines
2.6 KiB
C
/*
|
|
|
|
getsockname()
|
|
|
|
from socket emulation library for Minix 2.0.x
|
|
|
|
*/
|
|
|
|
#include <sys/cdefs.h>
|
|
#include "namespace.h"
|
|
#include <minix/ansi.h>
|
|
#include <errno.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <sys/ioctl.h>
|
|
#include <sys/socket.h>
|
|
#include <netinet/in.h>
|
|
|
|
#include <net/gen/in.h>
|
|
#include <net/gen/tcp.h>
|
|
#include <net/gen/tcp_io.h>
|
|
#include <net/gen/udp.h>
|
|
#include <sys/un.h>
|
|
|
|
/*
|
|
#define DEBUG 0
|
|
*/
|
|
|
|
static int _tcp_getsockname(int fd, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconfp);
|
|
|
|
static int _uds_getsockname(int fd, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, struct sockaddr_un *uds_addr);
|
|
|
|
int getsockname(int fd, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len)
|
|
{
|
|
int r;
|
|
nwio_tcpconf_t tcpconf;
|
|
struct sockaddr_un uds_addr;
|
|
|
|
#ifdef DEBUG
|
|
fprintf(stderr,"mnx_getsockname: ioctl fd %d.\n", fd);
|
|
#endif
|
|
|
|
r= ioctl(fd, NWIOGTCPCONF, &tcpconf);
|
|
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
|
|
{
|
|
if (r == -1)
|
|
{
|
|
/* Bad file descriptor */
|
|
return -1;
|
|
}
|
|
|
|
return _tcp_getsockname(fd, address, address_len, &tcpconf);
|
|
}
|
|
|
|
r= ioctl(fd, NWIOGUDSADDR, &uds_addr);
|
|
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
|
|
{
|
|
if (r == -1)
|
|
{
|
|
/* Bad file descriptor */
|
|
return -1;
|
|
}
|
|
|
|
return _uds_getsockname(fd, address, address_len, &uds_addr);
|
|
}
|
|
|
|
#if DEBUG
|
|
fprintf(stderr, "getsockname: not implemented for fd %d\n", socket);
|
|
#endif
|
|
|
|
errno= ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
|
|
static int _tcp_getsockname(int fd, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconf)
|
|
{
|
|
socklen_t len;
|
|
struct sockaddr_in sin;
|
|
|
|
#ifdef DEBUG1
|
|
fprintf(stderr, "mnx_getsockname: from %s, %u",
|
|
inet_ntoa(tcpconf.nwtc_remaddr),
|
|
ntohs(tcpconf.nwtc_remport));
|
|
fprintf(stderr," for %s, %u\n",
|
|
inet_ntoa(tcpconf.nwtc_locaddr),
|
|
ntohs(tcpconf.nwtc_locport));
|
|
#endif
|
|
|
|
memset(&sin, '\0', sizeof(sin));
|
|
sin.sin_family= AF_INET;
|
|
sin.sin_addr.s_addr= tcpconf->nwtc_locaddr ;
|
|
sin.sin_port= tcpconf->nwtc_locport;
|
|
|
|
len= *address_len;
|
|
if (len > sizeof(sin))
|
|
len= sizeof(sin);
|
|
memcpy(address, &sin, len);
|
|
*address_len= len;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int _uds_getsockname(int fd, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, struct sockaddr_un *uds_addr)
|
|
{
|
|
socklen_t len;
|
|
|
|
if (uds_addr->sun_family != AF_UNIX)
|
|
{
|
|
errno= EINVAL;
|
|
return -1;
|
|
}
|
|
|
|
len= *address_len;
|
|
if (len > sizeof(struct sockaddr_un))
|
|
len = sizeof(struct sockaddr_un);
|
|
|
|
memcpy(address, uds_addr, len);
|
|
*address_len= len;
|
|
|
|
return 0;
|
|
}
|