diff options
Diffstat (limited to 'parsenfsfh.c')
| -rw-r--r-- | parsenfsfh.c | 78 |
1 files changed, 74 insertions, 4 deletions
diff --git a/parsenfsfh.c b/parsenfsfh.c index b5c14e1a..c1c9a51f 100644 --- a/parsenfsfh.c +++ b/parsenfsfh.c @@ -42,7 +42,7 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/parsenfsfh.c,v 1.20 2001-06-15 07:42:19 itojun Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/parsenfsfh.c,v 1.21 2001-06-18 08:39:36 itojun Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H @@ -81,6 +81,8 @@ static const char rcsid[] = #define FHT_SUNOS5 9 #define FHT_AIX32 10 #define FHT_HPUX9 11 +#define FHT_NETBSDEL 12 +#define FHT_NETBSDEB 13 #ifdef ultrix /* Nasty hack to keep the Ultrix C compiler from emitting bogus warnings */ @@ -148,10 +150,28 @@ int ourself; /* true if file handle was generated on this host */ #if defined(__osf__) fhtype = FHT_DECOSF; #endif +#if defined(__NetBSD__) +#if BYTE_ORDER == LITTLE_ENDIAN + fhtype = FHT_NETBSDEL; +#else + fhtype = FHT_NETBSDEB; +#endif +#endif } /* * This is basically a big decision tree */ + else if (fhp[8] == 12 && fhp[9] == 0 && fhp[10] == 0 && fhp[11] == 0) + /* + * bytes[8,9] = (12,0); sizeof(struct ufid). + * bytes[10,11] = (0,0); pad. + */ + fhtype = FHT_NETBSDEL; + else if (fhp[8] == 0 && fhp[9] == 12 && fhp[10] == 0 && fhp[11] == 0) + /* + * ... same as above but from big-endian machine. + */ + fhtype = FHT_NETBSDEB; else if ((fhp[0] == 0) && (fhp[1] == 0)) { /* bytes[0,1] == (0,0); rules out Ultrix, IRIX5, SUNOS5 */ /* probably rules out HP-UX, AIX unless they allow major=0 */ @@ -399,20 +419,70 @@ int ourself; /* true if file handle was generated on this host */ *osnamep = "HPUX9"; break; + case FHT_NETBSDEL: +#define netbsd_major(x) ((int32_t)((((x) & 0x000fff00) >> 8))) +#define netbsd_minor(x) ((int32_t)((((x) & 0xfff00000) >> 12) | \ + (((x) & 0x000000ff) >> 0))) + /* + * fsid_t.val[0] + * + * device number for a file system on real device or + * some unique number for layer file system. + */ + temp = make_uint32(fhp[3], fhp[2], fhp[1], fhp[0]); + fsidp->Fsid_dev.Major = netbsd_major(temp); + fsidp->Fsid_dev.Minor = netbsd_minor(temp); + + /* + * fsid_t.val[1] + * + * number based on file system type name. + */ + fsidp->fsid_code = make_uint32(fhp[7], fhp[6], fhp[5], fhp[4]); + + /* + * struct fid (typically struct ufid) + * + * 2 octet of size of file handle followed by 2 octet of pad. + */ + + /* + * if struct ufid, 4 octet of inode number. The null file + * system also forwards vptofh vnode call to underlying file + * system. + */ + temp = make_uint32(fhp[15], fhp[14], fhp[13], fhp[12]); + *inop = temp; + + if (osnamep) + *osnamep = "NetBSDEL"; + break; + + case FHT_NETBSDEB: + temp = make_uint32(fhp[0], fhp[1], fhp[2], fhp[3]); + fsidp->Fsid_dev.Major = netbsd_major(temp); + fsidp->Fsid_dev.Minor = netbsd_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 = "NetBSDEB"; + break; + case FHT_UNKNOWN: #ifdef DEBUG /* XXX debugging */ - int i; for (i = 0; i < 32; i++) (void)fprintf(stderr, "%x.", fhp[i]); (void)fprintf(stderr, "\n"); #endif - /* XXX for now, give "bogus" values to aid debugging */ - /* Save the actual handle, so it can be display with -u */ for (i = 0; i < 32; i++) (void)snprintf(&(fsidp->Opaque_Handle[i*2]), 3, "%.2X", fhp[i]); + /* XXX for now, give "bogus" values to aid debugging */ fsidp->fsid_code = 0; fsidp->Fsid_dev.Minor = 257; fsidp->Fsid_dev.Major = 257; |