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.
112 lines
2.3 KiB
C
112 lines
2.3 KiB
C
#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_getpeername(int sock, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconfp);
|
|
|
|
static int _uds_getpeername(int sock, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, struct sockaddr_un *uds_addr);
|
|
|
|
int getpeername(int sock, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len)
|
|
{
|
|
int r;
|
|
nwio_tcpconf_t tcpconf;
|
|
struct sockaddr_un uds_addr;
|
|
|
|
r= ioctl(sock, NWIOGTCPCONF, &tcpconf);
|
|
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
|
|
{
|
|
if (r == -1)
|
|
{
|
|
/* Bad file descriptor */
|
|
return -1;
|
|
}
|
|
return _tcp_getpeername(sock, address, address_len,
|
|
&tcpconf);
|
|
}
|
|
|
|
r= ioctl(sock, NWIOGUDSPADDR, &uds_addr);
|
|
if (r != -1 || (errno != ENOTTY && errno != EBADIOCTL))
|
|
{
|
|
if (r == -1)
|
|
{
|
|
/* Bad file descriptor */
|
|
return -1;
|
|
}
|
|
return _uds_getpeername(sock, address, address_len,
|
|
&uds_addr);
|
|
}
|
|
|
|
|
|
#if DEBUG
|
|
fprintf(stderr, "getpeername: not implemented for fd %d\n", sock);
|
|
#endif
|
|
errno= ENOSYS;
|
|
return -1;
|
|
}
|
|
|
|
static int _tcp_getpeername(int sock, struct sockaddr *_RESTRICT address,
|
|
socklen_t *_RESTRICT address_len, nwio_tcpconf_t *tcpconfp)
|
|
{
|
|
socklen_t len;
|
|
struct sockaddr_in sin;
|
|
|
|
if (tcpconfp->nwtc_remaddr == 0 ||
|
|
tcpconfp->nwtc_remport == 0)
|
|
{
|
|
errno= ENOTCONN;
|
|
return -1;
|
|
}
|
|
|
|
memset(&sin, '\0', sizeof(sin));
|
|
sin.sin_family= AF_INET;
|
|
sin.sin_addr.s_addr= tcpconfp->nwtc_remaddr;
|
|
sin.sin_port= tcpconfp->nwtc_remport;
|
|
|
|
len= *address_len;
|
|
if (len > sizeof(sin))
|
|
len= sizeof(sin);
|
|
memcpy(address, &sin, len);
|
|
*address_len= len;
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int _uds_getpeername(int sock, 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= ENOTCONN;
|
|
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;
|
|
}
|