#ifndef lint
static const char rcsid[] =
"@(#) $Header: /cvs/Darwin/Commands/NeXT/network_cmds/tcpdump.tproj/parsenfsfh.c,v 1.1.1.1 1999/05/02 03:58:32 wsanchez Exp $ (LBL)";
#endif
#include <sys/types.h>
#include <sys/time.h>
#include <ctype.h>
#include <memory.h>
#include <stdio.h>
#include <string.h>
#include "interface.h"
#include "nfsfh.h"
#define FHT_UNKNOWN 0
#define FHT_AUSPEX 1
#define FHT_DECOSF 2
#define FHT_IRIX4 3
#define FHT_IRIX5 4
#define FHT_SUNOS3 5
#define FHT_SUNOS4 6
#define FHT_ULTRIX 7
#define FHT_VMSUCX 8
#define FHT_SUNOS5 9
#define FHT_AIX32 10
#define FHT_HPUX9 11
#ifdef ultrix
#define XFF(x) ((u_int32_t)(x))
#else
#define XFF(x) (x)
#endif
#define make_uint32(msb,b,c,lsb)\
(XFF(lsb) + (XFF(c)<<8) + (XFF(b)<<16) + (XFF(msb)<<24))
#define make_uint24(msb,b, lsb)\
(XFF(lsb) + (XFF(b)<<8) + (XFF(msb)<<16))
#define make_uint16(msb,lsb)\
(XFF(lsb) + (XFF(msb)<<8))
#ifdef __alpha
#define make_uint48(msb,b,c,d,e,lsb)\
((lsb) + ((e)<<8) + ((d)<<16) + ((c)<<24) + ((b)<<32) + ((msb)<<40))
#else
#define make_uint48(msb,b,c,d,e,lsb)\
((lsb) + ((e)<<8) + ((d)<<16) + ((c)<<24))
#endif
static int is_UCX(unsigned char *);
void
Parse_fh(fh, fsidp, inop, osnamep, fsnamep, ourself)
register caddr_t *fh;
my_fsid *fsidp;
ino_t *inop;
char **osnamep;
char **fsnamep;
int ourself;
{
register unsigned char *fhp = (unsigned char *)fh;
u_int32_t temp;
int fhtype = FHT_UNKNOWN;
if (ourself) {
#if defined(IRIX40)
fhtype = FHT_IRIX4;
#endif
#if defined(IRIX50)
fhtype = FHT_IRIX5;
#endif
#if defined(IRIX51)
fhtype = FHT_IRIX5;
#endif
#if defined(SUNOS4)
fhtype = FHT_SUNOS4;
#endif
#if defined(SUNOS5)
fhtype = FHT_SUNOS5;
#endif
#if defined(ultrix)
fhtype = FHT_ULTRIX;
#endif
#if defined(__osf__)
fhtype = FHT_DECOSF;
#endif
}
else if ((fhp[0] == 0) && (fhp[1] == 0)) {
if ((fhp[2] == 0) && (fhp[3] == 0)) {
fhtype = FHT_AUSPEX;
}
else {
if ((fhp[4] != 0) && (fhp[5] == 0) &&
(fhp[8] == 12) && (fhp[9] == 0)) {
fhtype = FHT_DECOSF;
}
else {
if ((fhp[4] == 0) && (fhp[5] == 8) && (fhp[6] == 0) &&
(fhp[7] == 0)) {
fhtype = FHT_IRIX4;
}
else {
fhtype = FHT_SUNOS4;
}
}
}
}
else {
if ((fhp[2] == 0) && (fhp[3] == 0)) {
if ((fhp[21] == 0) && (fhp[23] == 0)) {
fhtype = FHT_ULTRIX;
}
else {
if (fhp[9] == 10)
fhtype = FHT_SUNOS5;
}
}
else {
if ((fhp[8] == 12) && (fhp[9] == 0)) {
fhtype = FHT_DECOSF;
}
else if ((fhp[8] == 0) && (fhp[9] == 10)) {
if ((fhp[7] == 0) && (fhp[6] == 0) &&
(fhp[5] == 0) && (fhp[4] == 0)) {
fhtype = FHT_HPUX9;
}
else if (fhp[7] == 2) {
fhtype = FHT_SUNOS5;
}
else {
fhtype = FHT_SUNOS5;
}
}
else {
if (is_UCX(fhp)) {
fhtype = FHT_VMSUCX;
}
else {
fhtype = FHT_UNKNOWN;
}
}
}
}
switch (fhtype) {
case FHT_AUSPEX:
fsidp->Fsid_dev.Minor = fhp[7];
fsidp->Fsid_dev.Major = fhp[6];
fsidp->fsid_code = 0;
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "Auspex";
break;
case FHT_DECOSF:
fsidp->fsid_code = make_uint32(fhp[7], fhp[6], fhp[5], fhp[4]);
temp = make_uint32(fhp[3], fhp[2], fhp[1], fhp[0]);
fsidp->Fsid_dev.Minor = temp & 0xFFFFF;
fsidp->Fsid_dev.Major = (temp>>20) & 0xFFF;
temp = make_uint32(fhp[15], fhp[14], fhp[13], fhp[12]);
*inop = temp;
if (osnamep)
*osnamep = "OSF";
break;
case FHT_IRIX4:
fsidp->Fsid_dev.Minor = fhp[3];
fsidp->Fsid_dev.Major = fhp[2];
fsidp->fsid_code = 0;
temp = make_uint32(fhp[8], fhp[9], fhp[10], fhp[11]);
*inop = temp;
if (osnamep)
*osnamep = "IRIX4";
break;
case FHT_IRIX5:
fsidp->Fsid_dev.Minor = make_uint16(fhp[2], fhp[3]);
fsidp->Fsid_dev.Major = make_uint16(fhp[0], fhp[1]);
fsidp->fsid_code = make_uint32(fhp[4], fhp[5], fhp[6], fhp[7]);
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "IRIX5";
break;
case FHT_SUNOS3:
if (osnamep)
*osnamep = "SUNOS3";
break;
case FHT_SUNOS4:
fsidp->Fsid_dev.Minor = fhp[3];
fsidp->Fsid_dev.Major = fhp[2];
fsidp->fsid_code = make_uint32(fhp[4], fhp[5], fhp[6], fhp[7]);
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "SUNOS4";
break;
case FHT_SUNOS5:
temp = make_uint16(fhp[0], fhp[1]);
fsidp->Fsid_dev.Major = (temp>>2) & 0x3FFF;
temp = make_uint24(fhp[1], fhp[2], fhp[3]);
fsidp->Fsid_dev.Minor = temp & 0x3FFFF;
fsidp->fsid_code = make_uint32(fhp[4], fhp[5], fhp[6], fhp[7]);
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "SUNOS5";
break;
case FHT_ULTRIX:
fsidp->fsid_code = 0;
fsidp->Fsid_dev.Minor = fhp[0];
fsidp->Fsid_dev.Major = fhp[1];
temp = make_uint32(fhp[7], fhp[6], fhp[5], fhp[4]);
*inop = temp;
if (osnamep)
*osnamep = "Ultrix";
break;
case FHT_VMSUCX:
if (sizeof(*fsidp) >= 14) {
if (sizeof(*fsidp) > 14)
memset((char *)fsidp, 0, sizeof(*fsidp));
memcpy((char *)fsidp, fh, 14);
}
else {
u_int32_t tempa[4];
memset((char *)tempa, 0, sizeof(tempa));
memcpy((char *)tempa, fh, 14);
fsidp->Fsid_dev.Minor = tempa[0] + (tempa[1]<<1);
fsidp->Fsid_dev.Major = tempa[2] + (tempa[3]<<1);
fsidp->fsid_code = 0;
}
*inop = make_uint32(fhp[26], fhp[27], fhp[23], fhp[22]);
if (fsnamep)
*fsnamep = (char *)&(fhp[1]);
if (osnamep)
*osnamep = "VMS";
break;
case FHT_AIX32:
fsidp->Fsid_dev.Minor = make_uint16(fhp[2], fhp[3]);
fsidp->Fsid_dev.Major = make_uint16(fhp[0], fhp[1]);
fsidp->fsid_code = make_uint32(fhp[4], fhp[5], fhp[6], fhp[7]);
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "AIX32";
break;
case FHT_HPUX9:
fsidp->Fsid_dev.Major = fhp[0];
temp = make_uint24(fhp[1], fhp[2], fhp[3]);
fsidp->Fsid_dev.Minor = temp;
fsidp->fsid_code = make_uint32(fhp[4], fhp[5], fhp[6], fhp[7]);
temp = make_uint32(fhp[12], fhp[13], fhp[14], fhp[15]);
*inop = temp;
if (osnamep)
*osnamep = "HPUX9";
break;
case FHT_UNKNOWN:
#ifdef DEBUG
{
int i;
for (i = 0; i < 32; i++)
(void)fprintf(stderr, "%x.", fhp[i]);
(void)fprintf(stderr, "\n");
}
#endif
fsidp->fsid_code = 0;
fsidp->Fsid_dev.Minor = 257;
fsidp->Fsid_dev.Major = 257;
*inop = 1;
if (fsnamep)
*fsnamep = "Unknown";
if (osnamep)
*osnamep = "Unknown";
break;
}
}
static int
is_UCX(fhp)
unsigned char *fhp;
{
register int i;
int seen_null = 0;
for (i = 1; i < 14; i++) {
if (isprint(fhp[i])) {
if (seen_null)
return(0);
else
continue;
}
else if (fhp[i] == 0) {
seen_null = 1;
continue;
}
else
return(0);
}
return(1);
}