77 lines
1.7 KiB
C
77 lines
1.7 KiB
C
/* $NetBSD: getifname.c,v 1.1.1.1 2004/03/28 08:56:18 martti Exp $ */
|
|
|
|
#include "ipf.h"
|
|
|
|
#include "kmem.h"
|
|
|
|
/*
|
|
* Given a pointer to an interface in the kernel, return a pointer to a
|
|
* string which is the interface name.
|
|
*/
|
|
char *getifname(ptr)
|
|
struct ifnet *ptr;
|
|
{
|
|
#if SOLARIS || defined(__hpux)
|
|
# if SOLARIS
|
|
# include <sys/mutex.h>
|
|
# include <sys/condvar.h>
|
|
# endif
|
|
# ifdef __hpux
|
|
# include "compat.h"
|
|
# endif
|
|
# include "../pfil/qif.h"
|
|
char *ifname;
|
|
qif_t qif;
|
|
|
|
if ((void *)ptr == (void *)-1)
|
|
return "!";
|
|
if (ptr == NULL)
|
|
return "-";
|
|
|
|
if (kmemcpy((char *)&qif, (u_long)ptr, sizeof(qif)) == -1)
|
|
return "X";
|
|
ifname = strdup(qif.qf_name);
|
|
if ((ifname != NULL) && (*ifname == '\0')) {
|
|
free(ifname);
|
|
return "!";
|
|
}
|
|
return ifname;
|
|
#else
|
|
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
|
|
defined(__OpenBSD__) || \
|
|
(defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
|
|
#else
|
|
char buf[32];
|
|
int len;
|
|
# endif
|
|
struct ifnet netif;
|
|
|
|
if ((void *)ptr == (void *)-1)
|
|
return "!";
|
|
if (ptr == NULL)
|
|
return "-";
|
|
|
|
if (kmemcpy((char *)&netif, (u_long)ptr, sizeof(netif)) == -1)
|
|
return "X";
|
|
# if defined(NetBSD) && (NetBSD >= 199905) && (NetBSD < 1991011) || \
|
|
defined(__OpenBSD__) || defined(linux) || \
|
|
(defined(__FreeBSD__) && (__FreeBSD_version >= 501113))
|
|
return strdup(netif.if_xname);
|
|
# else
|
|
if (kstrncpy(buf, (u_long)netif.if_name, sizeof(buf)) == -1)
|
|
return "X";
|
|
if (netif.if_unit < 10)
|
|
len = 2;
|
|
else if (netif.if_unit < 1000)
|
|
len = 3;
|
|
else if (netif.if_unit < 10000)
|
|
len = 4;
|
|
else
|
|
len = 5;
|
|
buf[sizeof(buf) - len] = '\0';
|
|
sprintf(buf + strlen(buf), "%d", netif.if_unit % 10000);
|
|
return strdup(buf);
|
|
# endif
|
|
#endif
|
|
}
|