diff options
Diffstat (limited to 'contrib/tcpdump/parsenfsfh.c')
| -rw-r--r-- | contrib/tcpdump/parsenfsfh.c | 484 |
1 files changed, 0 insertions, 484 deletions
diff --git a/contrib/tcpdump/parsenfsfh.c b/contrib/tcpdump/parsenfsfh.c deleted file mode 100644 index ef1e0ba..0000000 --- a/contrib/tcpdump/parsenfsfh.c +++ /dev/null @@ -1,484 +0,0 @@ -/* - * Copyright (c) 1993, 1994 Jeffrey C. Mogul, Digital Equipment Corporation, - * Western Research Laboratory. All rights reserved. - * Copyright (c) 2001 Compaq Computer Corporation. All rights reserved. - * - * Permission to use, copy, and modify this software and its - * documentation is hereby granted only under the following terms and - * conditions. Both the above copyright notice and this permission - * notice must appear in all copies of the software, derivative works - * or modified versions, and any portions thereof, and both notices - * must appear in supporting documentation. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in - * the documentation and/or other materials provided with the - * distribution. - * - * THE SOFTWARE IS PROVIDED "AS IS" AND COMPAQ COMPUTER CORPORATION - * DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING - * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO - * EVENT SHALL COMPAQ COMPUTER CORPORATION BE LIABLE FOR ANY - * SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN - * AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING - * OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS - * SOFTWARE. - */ - -/* - * parsenfsfh.c - portable parser for NFS file handles - * uses all sorts of heuristics - * - * Jeffrey C. Mogul - * Digital Equipment Corporation - * Western Research Laboratory - */ - -#ifndef lint -static const char rcsid[] _U_ = - "@(#) $Header: /tcpdump/master/tcpdump/parsenfsfh.c,v 1.28.2.1 2007/06/15 19:15:04 guy Exp $ (LBL)"; -#endif - -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#include <tcpdump-stdinc.h> - -#include <stdio.h> -#include <string.h> - -#include "interface.h" -#include "nfsfh.h" - -/* - * This routine attempts to parse a file handle (in network byte order), - * using heuristics to guess what kind of format it is in. See the - * file "fhandle_layouts" for a detailed description of the various - * patterns we know about. - * - * The file handle is parsed into our internal representation of a - * file-system id, and an internal representation of an inode-number. - */ - -#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 -#define FHT_BSD44 12 - -#ifdef ultrix -/* Nasty hack to keep the Ultrix C compiler from emitting bogus warnings */ -#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 - /* or other 64-bit systems */ -#define make_uint48(msb,b,c,d,e,lsb)\ - ((lsb) + ((e)<<8) + ((d)<<16) + ((c)<<24) + ((b)<<32) + ((msb)<<40)) -#else - /* on 32-bit systems ignore high-order bits */ -#define make_uint48(msb,b,c,d,e,lsb)\ - ((lsb) + ((e)<<8) + ((d)<<16) + ((c)<<24)) -#endif - -static int is_UCX(const unsigned char *); - -void -Parse_fh(fh, len, fsidp, inop, osnamep, fsnamep, ourself) -register const unsigned char *fh; -int len _U_; -my_fsid *fsidp; -ino_t *inop; -const char **osnamep; /* if non-NULL, return OS name here */ -const char **fsnamep; /* if non-NULL, return server fs name here (for VMS) */ -int ourself; /* true if file handle was generated on this host */ -{ - register const unsigned char *fhp = fh; - u_int32_t temp; - int fhtype = FHT_UNKNOWN; - int i; - - if (ourself) { - /* File handle generated on this host, no need for guessing */ -#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 -#if defined(__NetBSD__) || defined(__FreeBSD__) || defined(__DragonFly__) \ - || defined(__OpenBSD__) - fhtype = FHT_BSD44; -#endif - } - /* - * This is basically a big decision tree - */ - 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 */ - if ((fhp[2] == 0) && (fhp[3] == 0)) { - /* bytes[2,3] == (0,0); must be Auspex */ - /* XXX or could be Ultrix+MASSBUS "hp" disk? */ - fhtype = FHT_AUSPEX; - } - else { - /* - * bytes[2,3] != (0,0); rules out Auspex, could be - * DECOSF, SUNOS4, or IRIX4 - */ - if ((fhp[4] != 0) && (fhp[5] == 0) && - (fhp[8] == 12) && (fhp[9] == 0)) { - /* seems to be DECOSF, with minor == 0 */ - fhtype = FHT_DECOSF; - } - else { - /* could be SUNOS4 or IRIX4 */ - /* XXX the test of fhp[5] == 8 could be wrong */ - if ((fhp[4] == 0) && (fhp[5] == 8) && (fhp[6] == 0) && - (fhp[7] == 0)) { - /* looks like a length, not a file system typecode */ - fhtype = FHT_IRIX4; - } - else { - /* by elimination */ - fhtype = FHT_SUNOS4; - } - } - } - } - else { - /* - * bytes[0,1] != (0,0); rules out Auspex, IRIX4, SUNOS4 - * could be IRIX5, DECOSF, UCX, Ultrix, SUNOS5 - * could be AIX, HP-UX - */ - if ((fhp[2] == 0) && (fhp[3] == 0)) { - /* - * bytes[2,3] == (0,0); rules out OSF, probably not UCX - * (unless the exported device name is just one letter!), - * could be Ultrix, IRIX5, AIX, or SUNOS5 - * might be HP-UX (depends on their values for minor devs) - */ - if ((fhp[6] == 0) && (fhp[7] == 0)) { - fhtype = FHT_BSD44; - } - /*XXX we probably only need to test of these two bytes */ - else if ((fhp[21] == 0) && (fhp[23] == 0)) { - fhtype = FHT_ULTRIX; - } - else { - /* Could be SUNOS5/IRIX5, maybe AIX */ - /* XXX no obvious difference between SUNOS5 and IRIX5 */ - if (fhp[9] == 10) - fhtype = FHT_SUNOS5; - /* XXX what about AIX? */ - } - } - else { - /* - * bytes[2,3] != (0,0); rules out Ultrix, could be - * DECOSF, SUNOS5, IRIX5, AIX, HP-UX, or UCX - */ - if ((fhp[8] == 12) && (fhp[9] == 0)) { - fhtype = FHT_DECOSF; - } - else if ((fhp[8] == 0) && (fhp[9] == 10)) { - /* could be SUNOS5/IRIX5, AIX, HP-UX */ - if ((fhp[7] == 0) && (fhp[6] == 0) && - (fhp[5] == 0) && (fhp[4] == 0)) { - /* XXX is this always true of HP-UX? */ - fhtype = FHT_HPUX9; - } - else if (fhp[7] == 2) { - /* This would be MNT_NFS on AIX, which is impossible */ - fhtype = FHT_SUNOS5; /* or maybe IRIX5 */ - } - else { - /* - * XXX Could be SUNOS5/IRIX5 or AIX. I don't - * XXX see any way to disambiguate these, so - * XXX I'm going with the more likely guess. - * XXX Sorry, Big Blue. - */ - fhtype = FHT_SUNOS5; /* or maybe IRIX5 */ - } - } - else { - if (is_UCX(fhp)) { - fhtype = FHT_VMSUCX; - } - else { - fhtype = FHT_UNKNOWN; - } - } - } - } - - /* XXX still needs to handle SUNOS3 */ - - 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_BSD44: - fsidp->Fsid_dev.Minor = fhp[0]; - fsidp->Fsid_dev.Major = fhp[1]; - fsidp->fsid_code = 0; - - temp = make_uint32(fhp[15], fhp[14], fhp[13], fhp[12]); - *inop = temp; - - if (osnamep) - *osnamep = "BSD 4.4"; - break; - - case FHT_DECOSF: - fsidp->fsid_code = make_uint32(fhp[7], fhp[6], fhp[5], fhp[4]); - /* XXX could ignore 3 high-order bytes */ - - 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; - -#ifdef notdef - case FHT_SUNOS3: - /* - * XXX - none of the heuristics above return this. - * Are there any SunOS 3.x systems around to care about? - */ - if (osnamep) - *osnamep = "SUNOS3"; - break; -#endif - - 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: - /* No numeric file system ID, so hash on the device-name */ - if (sizeof(*fsidp) >= 14) { - if (sizeof(*fsidp) > 14) - memset((char *)fsidp, 0, sizeof(*fsidp)); - /* just use the whole thing */ - memcpy((char *)fsidp, (char *)fh, 14); - } - else { - u_int32_t tempa[4]; /* at least 16 bytes, maybe more */ - - memset((char *)tempa, 0, sizeof(tempa)); - memcpy((char *)tempa, (char *)fh, 14); /* ensure alignment */ - fsidp->Fsid_dev.Minor = tempa[0] + (tempa[1]<<1); - fsidp->Fsid_dev.Major = tempa[2] + (tempa[3]<<1); - fsidp->fsid_code = 0; - } - - /* VMS file ID is: (RVN, FidHi, FidLo) */ - *inop = make_uint32(fhp[26], fhp[27], fhp[23], fhp[22]); - - /* Caller must save (and null-terminate?) this value */ - 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 - /* XXX debugging */ - for (i = 0; i < 32; i++) - (void)fprintf(stderr, "%x.", fhp[i]); - (void)fprintf(stderr, "\n"); -#endif - /* 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; - *inop = 1; - - /* display will show this string instead of (257,257) */ - if (fsnamep) - *fsnamep = "Unknown"; - - if (osnamep) - *osnamep = "Unknown"; - break; - - } -} - -/* - * Is this a VMS UCX file handle? - * Check for: - * (1) leading code byte [XXX not yet] - * (2) followed by string of printing chars & spaces - * (3) followed by string of nulls - */ -static int -is_UCX(fhp) -const 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); -} |
