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authorRui Paulo <rpaulo@FreeBSD.org>2009-03-20 13:27:51 +0000
committerRui Paulo <rpaulo@FreeBSD.org>2009-03-20 13:27:51 +0000
commit81ceab7147ecaac14fa1889cdb461205e1002393 (patch)
tree36afae3dff76dde8d1cee5971ff7f1bc4922ad0f /print-nfs.c
parentb5bfcb5d8ae026769a67b6230c15014efc32f7fe (diff)
downloadsrc-81ceab7147ecaac14fa1889cdb461205e1002393.tar.gz
src-81ceab7147ecaac14fa1889cdb461205e1002393.zip
Flatten vendor/tcpdump and remove keyword expansion.
Notes
Notes: svn path=/vendor/tcpdump/dist/; revision=190150
Diffstat (limited to 'print-nfs.c')
-rw-r--r--print-nfs.c1804
1 files changed, 1804 insertions, 0 deletions
diff --git a/print-nfs.c b/print-nfs.c
new file mode 100644
index 000000000000..45e886978be8
--- /dev/null
+++ b/print-nfs.c
@@ -0,0 +1,1804 @@
+/*
+ * Copyright (c) 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997
+ * The Regents of the University of California. All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that: (1) source code distributions
+ * retain the above copyright notice and this paragraph in its entirety, (2)
+ * distributions including binary code include the above copyright notice and
+ * this paragraph in its entirety in the documentation or other materials
+ * provided with the distribution, and (3) all advertising materials mentioning
+ * features or use of this software display the following acknowledgement:
+ * ``This product includes software developed by the University of California,
+ * Lawrence Berkeley Laboratory and its contributors.'' Neither the name of
+ * the University nor the names of its contributors may be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND WITHOUT ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, WITHOUT LIMITATION, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+ */
+
+#ifndef lint
+static const char rcsid[] _U_ =
+ "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.106.2.4 2007/06/15 23:17:40 guy Exp $ (LBL)";
+#endif
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <tcpdump-stdinc.h>
+
+#include <pcap.h>
+#include <stdio.h>
+#include <string.h>
+
+#include "interface.h"
+#include "addrtoname.h"
+#include "extract.h"
+
+#include "nfs.h"
+#include "nfsfh.h"
+
+#include "ip.h"
+#ifdef INET6
+#include "ip6.h"
+#endif
+#include "rpc_auth.h"
+#include "rpc_msg.h"
+
+static void nfs_printfh(const u_int32_t *, const u_int);
+static void xid_map_enter(const struct sunrpc_msg *, const u_char *);
+static int32_t xid_map_find(const struct sunrpc_msg *, const u_char *,
+ u_int32_t *, u_int32_t *);
+static void interp_reply(const struct sunrpc_msg *, u_int32_t, u_int32_t, int);
+static const u_int32_t *parse_post_op_attr(const u_int32_t *, int);
+static void print_sattr3(const struct nfsv3_sattr *sa3, int verbose);
+static void print_nfsaddr(const u_char *, const char *, const char *);
+
+/*
+ * Mapping of old NFS Version 2 RPC numbers to generic numbers.
+ */
+u_int32_t nfsv3_procid[NFS_NPROCS] = {
+ NFSPROC_NULL,
+ NFSPROC_GETATTR,
+ NFSPROC_SETATTR,
+ NFSPROC_NOOP,
+ NFSPROC_LOOKUP,
+ NFSPROC_READLINK,
+ NFSPROC_READ,
+ NFSPROC_NOOP,
+ NFSPROC_WRITE,
+ NFSPROC_CREATE,
+ NFSPROC_REMOVE,
+ NFSPROC_RENAME,
+ NFSPROC_LINK,
+ NFSPROC_SYMLINK,
+ NFSPROC_MKDIR,
+ NFSPROC_RMDIR,
+ NFSPROC_READDIR,
+ NFSPROC_FSSTAT,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP,
+ NFSPROC_NOOP
+};
+
+/*
+ * NFS V2 and V3 status values.
+ *
+ * Some of these come from the RFCs for NFS V2 and V3, with the message
+ * strings taken from the FreeBSD C library "errlst.c".
+ *
+ * Others are errors that are not in the RFC but that I suspect some
+ * NFS servers could return; the values are FreeBSD errno values, as
+ * the first NFS server was the SunOS 2.0 one, and until 5.0 SunOS
+ * was primarily BSD-derived.
+ */
+static struct tok status2str[] = {
+ { 1, "Operation not permitted" }, /* EPERM */
+ { 2, "No such file or directory" }, /* ENOENT */
+ { 5, "Input/output error" }, /* EIO */
+ { 6, "Device not configured" }, /* ENXIO */
+ { 11, "Resource deadlock avoided" }, /* EDEADLK */
+ { 12, "Cannot allocate memory" }, /* ENOMEM */
+ { 13, "Permission denied" }, /* EACCES */
+ { 17, "File exists" }, /* EEXIST */
+ { 18, "Cross-device link" }, /* EXDEV */
+ { 19, "Operation not supported by device" }, /* ENODEV */
+ { 20, "Not a directory" }, /* ENOTDIR */
+ { 21, "Is a directory" }, /* EISDIR */
+ { 22, "Invalid argument" }, /* EINVAL */
+ { 26, "Text file busy" }, /* ETXTBSY */
+ { 27, "File too large" }, /* EFBIG */
+ { 28, "No space left on device" }, /* ENOSPC */
+ { 30, "Read-only file system" }, /* EROFS */
+ { 31, "Too many links" }, /* EMLINK */
+ { 45, "Operation not supported" }, /* EOPNOTSUPP */
+ { 62, "Too many levels of symbolic links" }, /* ELOOP */
+ { 63, "File name too long" }, /* ENAMETOOLONG */
+ { 66, "Directory not empty" }, /* ENOTEMPTY */
+ { 69, "Disc quota exceeded" }, /* EDQUOT */
+ { 70, "Stale NFS file handle" }, /* ESTALE */
+ { 71, "Too many levels of remote in path" }, /* EREMOTE */
+ { 99, "Write cache flushed to disk" }, /* NFSERR_WFLUSH (not used) */
+ { 10001, "Illegal NFS file handle" }, /* NFS3ERR_BADHANDLE */
+ { 10002, "Update synchronization mismatch" }, /* NFS3ERR_NOT_SYNC */
+ { 10003, "READDIR/READDIRPLUS cookie is stale" }, /* NFS3ERR_BAD_COOKIE */
+ { 10004, "Operation not supported" }, /* NFS3ERR_NOTSUPP */
+ { 10005, "Buffer or request is too small" }, /* NFS3ERR_TOOSMALL */
+ { 10006, "Unspecified error on server" }, /* NFS3ERR_SERVERFAULT */
+ { 10007, "Object of that type not supported" }, /* NFS3ERR_BADTYPE */
+ { 10008, "Request couldn't be completed in time" }, /* NFS3ERR_JUKEBOX */
+ { 0, NULL }
+};
+
+static struct tok nfsv3_writemodes[] = {
+ { 0, "unstable" },
+ { 1, "datasync" },
+ { 2, "filesync" },
+ { 0, NULL }
+};
+
+static struct tok type2str[] = {
+ { NFNON, "NON" },
+ { NFREG, "REG" },
+ { NFDIR, "DIR" },
+ { NFBLK, "BLK" },
+ { NFCHR, "CHR" },
+ { NFLNK, "LNK" },
+ { NFFIFO, "FIFO" },
+ { 0, NULL }
+};
+
+static void
+print_nfsaddr(const u_char *bp, const char *s, const char *d)
+{
+ struct ip *ip;
+#ifdef INET6
+ struct ip6_hdr *ip6;
+ char srcaddr[INET6_ADDRSTRLEN], dstaddr[INET6_ADDRSTRLEN];
+#else
+#ifndef INET_ADDRSTRLEN
+#define INET_ADDRSTRLEN 16
+#endif
+ char srcaddr[INET_ADDRSTRLEN], dstaddr[INET_ADDRSTRLEN];
+#endif
+
+ srcaddr[0] = dstaddr[0] = '\0';
+ switch (IP_V((struct ip *)bp)) {
+ case 4:
+ ip = (struct ip *)bp;
+ strlcpy(srcaddr, ipaddr_string(&ip->ip_src), sizeof(srcaddr));
+ strlcpy(dstaddr, ipaddr_string(&ip->ip_dst), sizeof(dstaddr));
+ break;
+#ifdef INET6
+ case 6:
+ ip6 = (struct ip6_hdr *)bp;
+ strlcpy(srcaddr, ip6addr_string(&ip6->ip6_src),
+ sizeof(srcaddr));
+ strlcpy(dstaddr, ip6addr_string(&ip6->ip6_dst),
+ sizeof(dstaddr));
+ break;
+#endif
+ default:
+ strlcpy(srcaddr, "?", sizeof(srcaddr));
+ strlcpy(dstaddr, "?", sizeof(dstaddr));
+ break;
+ }
+
+ (void)printf("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
+}
+
+static const u_int32_t *
+parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
+{
+ TCHECK(dp[0]);
+ sa3->sa_modeset = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_modeset) {
+ TCHECK(dp[0]);
+ sa3->sa_mode = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ TCHECK(dp[0]);
+ sa3->sa_uidset = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_uidset) {
+ TCHECK(dp[0]);
+ sa3->sa_uid = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ TCHECK(dp[0]);
+ sa3->sa_gidset = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_gidset) {
+ TCHECK(dp[0]);
+ sa3->sa_gid = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ TCHECK(dp[0]);
+ sa3->sa_sizeset = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_sizeset) {
+ TCHECK(dp[0]);
+ sa3->sa_size = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ TCHECK(dp[0]);
+ sa3->sa_atimetype = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT) {
+ TCHECK(dp[1]);
+ sa3->sa_atime.nfsv3_sec = EXTRACT_32BITS(dp);
+ dp++;
+ sa3->sa_atime.nfsv3_nsec = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ TCHECK(dp[0]);
+ sa3->sa_mtimetype = EXTRACT_32BITS(dp);
+ dp++;
+ if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT) {
+ TCHECK(dp[1]);
+ sa3->sa_mtime.nfsv3_sec = EXTRACT_32BITS(dp);
+ dp++;
+ sa3->sa_mtime.nfsv3_nsec = EXTRACT_32BITS(dp);
+ dp++;
+ }
+
+ return dp;
+trunc:
+ return NULL;
+}
+
+static int nfserr; /* true if we error rather than trunc */
+
+static void
+print_sattr3(const struct nfsv3_sattr *sa3, int verbose)
+{
+ if (sa3->sa_modeset)
+ printf(" mode %o", sa3->sa_mode);
+ if (sa3->sa_uidset)
+ printf(" uid %u", sa3->sa_uid);
+ if (sa3->sa_gidset)
+ printf(" gid %u", sa3->sa_gid);
+ if (verbose > 1) {
+ if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT)
+ printf(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
+ sa3->sa_atime.nfsv3_nsec);
+ if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT)
+ printf(" mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
+ sa3->sa_mtime.nfsv3_nsec);
+ }
+}
+
+void
+nfsreply_print(register const u_char *bp, u_int length,
+ register const u_char *bp2)
+{
+ register const struct sunrpc_msg *rp;
+ u_int32_t proc, vers, reply_stat;
+ char srcid[20], dstid[20]; /*fits 32bit*/
+ enum sunrpc_reject_stat rstat;
+ u_int32_t rlow;
+ u_int32_t rhigh;
+ enum sunrpc_auth_stat rwhy;
+
+ nfserr = 0; /* assume no error */
+ rp = (const struct sunrpc_msg *)bp;
+
+ if (!nflag) {
+ strlcpy(srcid, "nfs", sizeof(srcid));
+ snprintf(dstid, sizeof(dstid), "%u",
+ EXTRACT_32BITS(&rp->rm_xid));
+ } else {
+ snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
+ snprintf(dstid, sizeof(dstid), "%u",
+ EXTRACT_32BITS(&rp->rm_xid));
+ }
+ print_nfsaddr(bp2, srcid, dstid);
+ reply_stat = EXTRACT_32BITS(&rp->rm_reply.rp_stat);
+ switch (reply_stat) {
+
+ case SUNRPC_MSG_ACCEPTED:
+ (void)printf("reply ok %u", length);
+ if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
+ interp_reply(rp, proc, vers, length);
+ break;
+
+ case SUNRPC_MSG_DENIED:
+ (void)printf("reply ERR %u: ", length);
+ rstat = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_stat);
+ switch (rstat) {
+
+ case SUNRPC_RPC_MISMATCH:
+ rlow = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_vers.low);
+ rhigh = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_vers.high);
+ (void)printf("RPC Version mismatch (%u-%u)",
+ rlow, rhigh);
+ break;
+
+ case SUNRPC_AUTH_ERROR:
+ rwhy = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_why);
+ (void)printf("Auth ");
+ switch (rwhy) {
+
+ case SUNRPC_AUTH_OK:
+ (void)printf("OK");
+ break;
+
+ case SUNRPC_AUTH_BADCRED:
+ (void)printf("Bogus Credentials (seal broken)");
+ break;
+
+ case SUNRPC_AUTH_REJECTEDCRED:
+ (void)printf("Rejected Credentials (client should begin new session)");
+ break;
+
+ case SUNRPC_AUTH_BADVERF:
+ (void)printf("Bogus Verifier (seal broken)");
+ break;
+
+ case SUNRPC_AUTH_REJECTEDVERF:
+ (void)printf("Verifier expired or was replayed");
+ break;
+
+ case SUNRPC_AUTH_TOOWEAK:
+ (void)printf("Credentials are too weak");
+ break;
+
+ case SUNRPC_AUTH_INVALIDRESP:
+ (void)printf("Bogus response verifier");
+ break;
+
+ case SUNRPC_AUTH_FAILED:
+ (void)printf("Unknown failure");
+ break;
+
+ default:
+ (void)printf("Invalid failure code %u",
+ (unsigned int)rwhy);
+ break;
+ }
+ break;
+
+ default:
+ (void)printf("Unknown reason for rejecting rpc message %u",
+ (unsigned int)rstat);
+ break;
+ }
+ break;
+
+ default:
+ (void)printf("reply Unknown rpc response code=%u %u",
+ reply_stat, length);
+ break;
+ }
+}
+
+/*
+ * Return a pointer to the first file handle in the packet.
+ * If the packet was truncated, return 0.
+ */
+static const u_int32_t *
+parsereq(register const struct sunrpc_msg *rp, register u_int length)
+{
+ register const u_int32_t *dp;
+ register u_int len;
+
+ /*
+ * find the start of the req data (if we captured it)
+ */
+ dp = (u_int32_t *)&rp->rm_call.cb_cred;
+ TCHECK(dp[1]);
+ len = EXTRACT_32BITS(&dp[1]);
+ if (len < length) {
+ dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
+ TCHECK(dp[1]);
+ len = EXTRACT_32BITS(&dp[1]);
+ if (len < length) {
+ dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
+ TCHECK2(dp[0], 0);
+ return (dp);
+ }
+ }
+trunc:
+ return (NULL);
+}
+
+/*
+ * Print out an NFS file handle and return a pointer to following word.
+ * If packet was truncated, return 0.
+ */
+static const u_int32_t *
+parsefh(register const u_int32_t *dp, int v3)
+{
+ u_int len;
+
+ if (v3) {
+ TCHECK(dp[0]);
+ len = EXTRACT_32BITS(dp) / 4;
+ dp++;
+ } else
+ len = NFSX_V2FH / 4;
+
+ if (TTEST2(*dp, len * sizeof(*dp))) {
+ nfs_printfh(dp, len);
+ return (dp + len);
+ }
+trunc:
+ return (NULL);
+}
+
+/*
+ * Print out a file name and return pointer to 32-bit word past it.
+ * If packet was truncated, return 0.
+ */
+static const u_int32_t *
+parsefn(register const u_int32_t *dp)
+{
+ register u_int32_t len;
+ register const u_char *cp;
+
+ /* Bail if we don't have the string length */
+ TCHECK(*dp);
+
+ /* Fetch string length; convert to host order */
+ len = *dp++;
+ NTOHL(len);
+
+ TCHECK2(*dp, ((len + 3) & ~3));
+
+ cp = (u_char *)dp;
+ /* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
+ dp += ((len + 3) & ~3) / sizeof(*dp);
+ putchar('"');
+ if (fn_printn(cp, len, snapend)) {
+ putchar('"');
+ goto trunc;
+ }
+ putchar('"');
+
+ return (dp);
+trunc:
+ return NULL;
+}
+
+/*
+ * Print out file handle and file name.
+ * Return pointer to 32-bit word past file name.
+ * If packet was truncated (or there was some other error), return 0.
+ */
+static const u_int32_t *
+parsefhn(register const u_int32_t *dp, int v3)
+{
+ dp = parsefh(dp, v3);
+ if (dp == NULL)
+ return (NULL);
+ putchar(' ');
+ return (parsefn(dp));
+}
+
+void
+nfsreq_print(register const u_char *bp, u_int length,
+ register const u_char *bp2)
+{
+ register const struct sunrpc_msg *rp;
+ register const u_int32_t *dp;
+ nfs_type type;
+ int v3;
+ u_int32_t proc;
+ struct nfsv3_sattr sa3;
+ char srcid[20], dstid[20]; /*fits 32bit*/
+
+ nfserr = 0; /* assume no error */
+ rp = (const struct sunrpc_msg *)bp;
+ if (!nflag) {
+ snprintf(srcid, sizeof(srcid), "%u",
+ EXTRACT_32BITS(&rp->rm_xid));
+ strlcpy(dstid, "nfs", sizeof(dstid));
+ } else {
+ snprintf(srcid, sizeof(srcid), "%u",
+ EXTRACT_32BITS(&rp->rm_xid));
+ snprintf(dstid, sizeof(dstid), "%u", NFS_PORT);
+ }
+ print_nfsaddr(bp2, srcid, dstid);
+ (void)printf("%d", length);
+
+ xid_map_enter(rp, bp2); /* record proc number for later on */
+
+ v3 = (EXTRACT_32BITS(&rp->rm_call.cb_vers) == NFS_VER3);
+ proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
+
+ if (!v3 && proc < NFS_NPROCS)
+ proc = nfsv3_procid[proc];
+
+ switch (proc) {
+ case NFSPROC_NOOP:
+ printf(" nop");
+ return;
+ case NFSPROC_NULL:
+ printf(" null");
+ return;
+
+ case NFSPROC_GETATTR:
+ printf(" getattr");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_SETATTR:
+ printf(" setattr");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_LOOKUP:
+ printf(" lookup");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefhn(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_ACCESS:
+ printf(" access");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ TCHECK(dp[0]);
+ printf(" %04x", EXTRACT_32BITS(&dp[0]));
+ return;
+ }
+ break;
+
+ case NFSPROC_READLINK:
+ printf(" readlink");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_READ:
+ printf(" read");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ if (v3) {
+ TCHECK(dp[2]);
+ printf(" %u bytes @ %" PRIu64,
+ EXTRACT_32BITS(&dp[2]),
+ EXTRACT_64BITS(&dp[0]));
+ } else {
+ TCHECK(dp[1]);
+ printf(" %u bytes @ %u",
+ EXTRACT_32BITS(&dp[1]),
+ EXTRACT_32BITS(&dp[0]));
+ }
+ return;
+ }
+ break;
+
+ case NFSPROC_WRITE:
+ printf(" write");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ if (v3) {
+ TCHECK(dp[2]);
+ printf(" %u (%u) bytes @ %" PRIu64,
+ EXTRACT_32BITS(&dp[4]),
+ EXTRACT_32BITS(&dp[2]),
+ EXTRACT_64BITS(&dp[0]));
+ if (vflag) {
+ dp += 3;
+ TCHECK(dp[0]);
+ printf(" <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, EXTRACT_32BITS(dp)));
+ }
+ } else {
+ TCHECK(dp[3]);
+ printf(" %u (%u) bytes @ %u (%u)",
+ EXTRACT_32BITS(&dp[3]),
+ EXTRACT_32BITS(&dp[2]),
+ EXTRACT_32BITS(&dp[1]),
+ EXTRACT_32BITS(&dp[0]));
+ }
+ return;
+ }
+ break;
+
+ case NFSPROC_CREATE:
+ printf(" create");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefhn(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_MKDIR:
+ printf(" mkdir");
+ if ((dp = parsereq(rp, length)) != 0 && parsefhn(dp, v3) != 0)
+ return;
+ break;
+
+ case NFSPROC_SYMLINK:
+ printf(" symlink");
+ if ((dp = parsereq(rp, length)) != 0 &&
+ (dp = parsefhn(dp, v3)) != 0) {
+ fputs(" ->", stdout);
+ if (v3 && (dp = parse_sattr3(dp, &sa3)) == 0)
+ break;
+ if (parsefn(dp) == 0)
+ break;
+ if (v3 && vflag)
+ print_sattr3(&sa3, vflag);
+ return;
+ }
+ break;
+
+ case NFSPROC_MKNOD:
+ printf(" mknod");
+ if ((dp = parsereq(rp, length)) != 0 &&
+ (dp = parsefhn(dp, v3)) != 0) {
+ TCHECK(*dp);
+ type = (nfs_type)EXTRACT_32BITS(dp);
+ dp++;
+ if ((dp = parse_sattr3(dp, &sa3)) == 0)
+ break;
+ printf(" %s", tok2str(type2str, "unk-ft %d", type));
+ if (vflag && (type == NFCHR || type == NFBLK)) {
+ TCHECK(dp[1]);
+ printf(" %u/%u",
+ EXTRACT_32BITS(&dp[0]),
+ EXTRACT_32BITS(&dp[1]));
+ dp += 2;
+ }
+ if (vflag)
+ print_sattr3(&sa3, vflag);
+ return;
+ }
+ break;
+
+ case NFSPROC_REMOVE:
+ printf(" remove");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefhn(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_RMDIR:
+ printf(" rmdir");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefhn(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_RENAME:
+ printf(" rename");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefhn(dp, v3)) != NULL) {
+ fputs(" ->", stdout);
+ if (parsefhn(dp, v3) != NULL)
+ return;
+ }
+ break;
+
+ case NFSPROC_LINK:
+ printf(" link");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ fputs(" ->", stdout);
+ if (parsefhn(dp, v3) != NULL)
+ return;
+ }
+ break;
+
+ case NFSPROC_READDIR:
+ printf(" readdir");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ if (v3) {
+ TCHECK(dp[4]);
+ /*
+ * We shouldn't really try to interpret the
+ * offset cookie here.
+ */
+ printf(" %u bytes @ %" PRId64,
+ EXTRACT_32BITS(&dp[4]),
+ EXTRACT_64BITS(&dp[0]));
+ if (vflag)
+ printf(" verf %08x%08x", dp[2],
+ dp[3]);
+ } else {
+ TCHECK(dp[1]);
+ /*
+ * Print the offset as signed, since -1 is
+ * common, but offsets > 2^31 aren't.
+ */
+ printf(" %u bytes @ %d",
+ EXTRACT_32BITS(&dp[1]),
+ EXTRACT_32BITS(&dp[0]));
+ }
+ return;
+ }
+ break;
+
+ case NFSPROC_READDIRPLUS:
+ printf(" readdirplus");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ TCHECK(dp[4]);
+ /*
+ * We don't try to interpret the offset
+ * cookie here.
+ */
+ printf(" %u bytes @ %" PRId64,
+ EXTRACT_32BITS(&dp[4]),
+ EXTRACT_64BITS(&dp[0]));
+ if (vflag) {
+ TCHECK(dp[5]);
+ printf(" max %u verf %08x%08x",
+ EXTRACT_32BITS(&dp[5]), dp[2], dp[3]);
+ }
+ return;
+ }
+ break;
+
+ case NFSPROC_FSSTAT:
+ printf(" fsstat");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_FSINFO:
+ printf(" fsinfo");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_PATHCONF:
+ printf(" pathconf");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ parsefh(dp, v3) != NULL)
+ return;
+ break;
+
+ case NFSPROC_COMMIT:
+ printf(" commit");
+ if ((dp = parsereq(rp, length)) != NULL &&
+ (dp = parsefh(dp, v3)) != NULL) {
+ TCHECK(dp[2]);
+ printf(" %u bytes @ %" PRIu64,
+ EXTRACT_32BITS(&dp[2]),
+ EXTRACT_64BITS(&dp[0]));
+ return;
+ }
+ break;
+
+ default:
+ printf(" proc-%u", EXTRACT_32BITS(&rp->rm_call.cb_proc));
+ return;
+ }
+
+trunc:
+ if (!nfserr)
+ fputs(" [|nfs]", stdout);
+}
+
+/*
+ * Print out an NFS file handle.
+ * We assume packet was not truncated before the end of the
+ * file handle pointed to by dp.
+ *
+ * Note: new version (using portable file-handle parser) doesn't produce
+ * generation number. It probably could be made to do that, with some
+ * additional hacking on the parser code.
+ */
+static void
+nfs_printfh(register const u_int32_t *dp, const u_int len)
+{
+ my_fsid fsid;
+ ino_t ino;
+ const char *sfsname = NULL;
+ char *spacep;
+
+ if (uflag) {
+ u_int i;
+ char const *sep = "";
+
+ printf(" fh[");
+ for (i=0; i<len; i++) {
+ (void)printf("%s%x", sep, dp[i]);
+ sep = ":";
+ }
+ printf("]");
+ return;
+ }
+
+ Parse_fh((const u_char *)dp, len, &fsid, &ino, NULL, &sfsname, 0);
+
+ if (sfsname) {
+ /* file system ID is ASCII, not numeric, for this server OS */
+ static char temp[NFSX_V3FHMAX+1];
+
+ /* Make sure string is null-terminated */
+ strncpy(temp, sfsname, NFSX_V3FHMAX);
+ temp[sizeof(temp) - 1] = '\0';
+ /* Remove trailing spaces */
+ spacep = strchr(temp, ' ');
+ if (spacep)
+ *spacep = '\0';
+
+ (void)printf(" fh %s/", temp);
+ } else {
+ (void)printf(" fh %d,%d/",
+ fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor);
+ }
+
+ if(fsid.Fsid_dev.Minor == 257)
+ /* Print the undecoded handle */
+ (void)printf("%s", fsid.Opaque_Handle);
+ else
+ (void)printf("%ld", (long) ino);
+}
+
+/*
+ * Maintain a small cache of recent client.XID.server/proc pairs, to allow
+ * us to match up replies with requests and thus to know how to parse
+ * the reply.
+ */
+
+struct xid_map_entry {
+ u_int32_t xid; /* transaction ID (net order) */
+ int ipver; /* IP version (4 or 6) */
+#ifdef INET6
+ struct in6_addr client; /* client IP address (net order) */
+ struct in6_addr server; /* server IP address (net order) */
+#else
+ struct in_addr client; /* client IP address (net order) */
+ struct in_addr server; /* server IP address (net order) */
+#endif
+ u_int32_t proc; /* call proc number (host order) */
+ u_int32_t vers; /* program version (host order) */
+};
+
+/*
+ * Map entries are kept in an array that we manage as a ring;
+ * new entries are always added at the tail of the ring. Initially,
+ * all the entries are zero and hence don't match anything.
+ */
+
+#define XIDMAPSIZE 64
+
+struct xid_map_entry xid_map[XIDMAPSIZE];
+
+int xid_map_next = 0;
+int xid_map_hint = 0;
+
+static void
+xid_map_enter(const struct sunrpc_msg *rp, const u_char *bp)
+{
+ struct ip *ip = NULL;
+#ifdef INET6
+ struct ip6_hdr *ip6 = NULL;
+#endif
+ struct xid_map_entry *xmep;
+
+ switch (IP_V((struct ip *)bp)) {
+ case 4:
+ ip = (struct ip *)bp;
+ break;
+#ifdef INET6
+ case 6:
+ ip6 = (struct ip6_hdr *)bp;
+ break;
+#endif
+ default:
+ return;
+ }
+
+ xmep = &xid_map[xid_map_next];
+
+ if (++xid_map_next >= XIDMAPSIZE)
+ xid_map_next = 0;
+
+ xmep->xid = rp->rm_xid;
+ if (ip) {
+ xmep->ipver = 4;
+ memcpy(&xmep->client, &ip->ip_src, sizeof(ip->ip_src));
+ memcpy(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
+ }
+#ifdef INET6
+ else if (ip6) {
+ xmep->ipver = 6;
+ memcpy(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
+ memcpy(&xmep->server, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
+ }
+#endif
+ xmep->proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
+ xmep->vers = EXTRACT_32BITS(&rp->rm_call.cb_vers);
+}
+
+/*
+ * Returns 0 and puts NFSPROC_xxx in proc return and
+ * version in vers return, or returns -1 on failure
+ */
+static int
+xid_map_find(const struct sunrpc_msg *rp, const u_char *bp, u_int32_t *proc,
+ u_int32_t *vers)
+{
+ int i;
+ struct xid_map_entry *xmep;
+ u_int32_t xid = rp->rm_xid;
+ struct ip *ip = (struct ip *)bp;
+#ifdef INET6
+ struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
+#endif
+ int cmp;
+
+ /* Start searching from where we last left off */
+ i = xid_map_hint;
+ do {
+ xmep = &xid_map[i];
+ cmp = 1;
+ if (xmep->ipver != IP_V(ip) || xmep->xid != xid)
+ goto nextitem;
+ switch (xmep->ipver) {
+ case 4:
+ if (memcmp(&ip->ip_src, &xmep->server,
+ sizeof(ip->ip_src)) != 0 ||
+ memcmp(&ip->ip_dst, &xmep->client,
+ sizeof(ip->ip_dst)) != 0) {
+ cmp = 0;
+ }
+ break;
+#ifdef INET6
+ case 6:
+ if (memcmp(&ip6->ip6_src, &xmep->server,
+ sizeof(ip6->ip6_src)) != 0 ||
+ memcmp(&ip6->ip6_dst, &xmep->client,
+ sizeof(ip6->ip6_dst)) != 0) {
+ cmp = 0;
+ }
+ break;
+#endif
+ default:
+ cmp = 0;
+ break;
+ }
+ if (cmp) {
+ /* match */
+ xid_map_hint = i;
+ *proc = xmep->proc;
+ *vers = xmep->vers;
+ return 0;
+ }
+ nextitem:
+ if (++i >= XIDMAPSIZE)
+ i = 0;
+ } while (i != xid_map_hint);
+
+ /* search failed */
+ return (-1);
+}
+
+/*
+ * Routines for parsing reply packets
+ */
+
+/*
+ * Return a pointer to the beginning of the actual results.
+ * If the packet was truncated, return 0.
+ */
+static const u_int32_t *
+parserep(register const struct sunrpc_msg *rp, register u_int length)
+{
+ register const u_int32_t *dp;
+ u_int len;
+ enum sunrpc_accept_stat astat;
+
+ /*
+ * Portability note:
+ * Here we find the address of the ar_verf credentials.
+ * Originally, this calculation was
+ * dp = (u_int32_t *)&rp->rm_reply.rp_acpt.ar_verf
+ * On the wire, the rp_acpt field starts immediately after
+ * the (32 bit) rp_stat field. However, rp_acpt (which is a
+ * "struct accepted_reply") contains a "struct opaque_auth",
+ * whose internal representation contains a pointer, so on a
+ * 64-bit machine the compiler inserts 32 bits of padding
+ * before rp->rm_reply.rp_acpt.ar_verf. So, we cannot use
+ * the internal representation to parse the on-the-wire
+ * representation. Instead, we skip past the rp_stat field,
+ * which is an "enum" and so occupies one 32-bit word.
+ */
+ dp = ((const u_int32_t *)&rp->rm_reply) + 1;
+ TCHECK(dp[1]);
+ len = EXTRACT_32BITS(&dp[1]);
+ if (len >= length)
+ return (NULL);
+ /*
+ * skip past the ar_verf credentials.
+ */
+ dp += (len + (2*sizeof(u_int32_t) + 3)) / sizeof(u_int32_t);
+ TCHECK2(dp[0], 0);
+
+ /*
+ * now we can check the ar_stat field
+ */
+ astat = (enum sunrpc_accept_stat) EXTRACT_32BITS(dp);
+ switch (astat) {
+
+ case SUNRPC_SUCCESS:
+ break;
+
+ case SUNRPC_PROG_UNAVAIL:
+ printf(" PROG_UNAVAIL");
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+
+ case SUNRPC_PROG_MISMATCH:
+ printf(" PROG_MISMATCH");
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+
+ case SUNRPC_PROC_UNAVAIL:
+ printf(" PROC_UNAVAIL");
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+
+ case SUNRPC_GARBAGE_ARGS:
+ printf(" GARBAGE_ARGS");
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+
+ case SUNRPC_SYSTEM_ERR:
+ printf(" SYSTEM_ERR");
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+
+ default:
+ printf(" ar_stat %d", astat);
+ nfserr = 1; /* suppress trunc string */
+ return (NULL);
+ }
+ /* successful return */
+ TCHECK2(*dp, sizeof(astat));
+ return ((u_int32_t *) (sizeof(astat) + ((char *)dp)));
+trunc:
+ return (0);
+}
+
+static const u_int32_t *
+parsestatus(const u_int32_t *dp, int *er)
+{
+ int errnum;
+
+ TCHECK(dp[0]);
+
+ errnum = EXTRACT_32BITS(&dp[0]);
+ if (er)
+ *er = errnum;
+ if (errnum != 0) {
+ if (!qflag)
+ printf(" ERROR: %s",
+ tok2str(status2str, "unk %d", errnum));
+ nfserr = 1;
+ }
+ return (dp + 1);
+trunc:
+ return NULL;
+}
+
+static const u_int32_t *
+parsefattr(const u_int32_t *dp, int verbose, int v3)
+{
+ const struct nfs_fattr *fap;
+
+ fap = (const struct nfs_fattr *)dp;
+ TCHECK(fap->fa_gid);
+ if (verbose) {
+ printf(" %s %o ids %d/%d",
+ tok2str(type2str, "unk-ft %d ",
+ EXTRACT_32BITS(&fap->fa_type)),
+ EXTRACT_32BITS(&fap->fa_mode),
+ EXTRACT_32BITS(&fap->fa_uid),
+ EXTRACT_32BITS(&fap->fa_gid));
+ if (v3) {
+ TCHECK(fap->fa3_size);
+ printf(" sz %" PRIu64,
+ EXTRACT_64BITS((u_int32_t *)&fap->fa3_size));
+ } else {
+ TCHECK(fap->fa2_size);
+ printf(" sz %d", EXTRACT_32BITS(&fap->fa2_size));
+ }
+ }
+ /* print lots more stuff */
+ if (verbose > 1) {
+ if (v3) {
+ TCHECK(fap->fa3_ctime);
+ printf(" nlink %d rdev %d/%d",
+ EXTRACT_32BITS(&fap->fa_nlink),
+ EXTRACT_32BITS(&fap->fa3_rdev.specdata1),
+ EXTRACT_32BITS(&fap->fa3_rdev.specdata2));
+ printf(" fsid %" PRIx64,
+ EXTRACT_64BITS((u_int32_t *)&fap->fa3_fsid));
+ printf(" fileid %" PRIx64,
+ EXTRACT_64BITS((u_int32_t *)&fap->fa3_fileid));
+ printf(" a/m/ctime %u.%06u",
+ EXTRACT_32BITS(&fap->fa3_atime.nfsv3_sec),
+ EXTRACT_32BITS(&fap->fa3_atime.nfsv3_nsec));
+ printf(" %u.%06u",
+ EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_sec),
+ EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_nsec));
+ printf(" %u.%06u",
+ EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_sec),
+ EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_nsec));
+ } else {
+ TCHECK(fap->fa2_ctime);
+ printf(" nlink %d rdev %x fsid %x nodeid %x a/m/ctime",
+ EXTRACT_32BITS(&fap->fa_nlink),
+ EXTRACT_32BITS(&fap->fa2_rdev),
+ EXTRACT_32BITS(&fap->fa2_fsid),
+ EXTRACT_32BITS(&fap->fa2_fileid));
+ printf(" %u.%06u",
+ EXTRACT_32BITS(&fap->fa2_atime.nfsv2_sec),
+ EXTRACT_32BITS(&fap->fa2_atime.nfsv2_usec));
+ printf(" %u.%06u",
+ EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_sec),
+ EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_usec));
+ printf(" %u.%06u",
+ EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_sec),
+ EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_usec));
+ }
+ }
+ return ((const u_int32_t *)((unsigned char *)dp +
+ (v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
+trunc:
+ return (NULL);
+}
+
+static int
+parseattrstat(const u_int32_t *dp, int verbose, int v3)
+{
+ int er;
+
+ dp = parsestatus(dp, &er);
+ if (dp == NULL)
+ return (0);
+ if (er)
+ return (1);
+
+ return (parsefattr(dp, verbose, v3) != NULL);
+}
+
+static int
+parsediropres(const u_int32_t *dp)
+{
+ int er;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ if (er)
+ return (1);
+
+ dp = parsefh(dp, 0);
+ if (dp == NULL)
+ return (0);
+
+ return (parsefattr(dp, vflag, 0) != NULL);
+}
+
+static int
+parselinkres(const u_int32_t *dp, int v3)
+{
+ int er;
+
+ dp = parsestatus(dp, &er);
+ if (dp == NULL)
+ return(0);
+ if (er)
+ return(1);
+ if (v3 && !(dp = parse_post_op_attr(dp, vflag)))
+ return (0);
+ putchar(' ');
+ return (parsefn(dp) != NULL);
+}
+
+static int
+parsestatfs(const u_int32_t *dp, int v3)
+{
+ const struct nfs_statfs *sfsp;
+ int er;
+
+ dp = parsestatus(dp, &er);
+ if (dp == NULL)
+ return (0);
+ if (!v3 && er)
+ return (1);
+
+ if (qflag)
+ return(1);
+
+ if (v3) {
+ if (vflag)
+ printf(" POST:");
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ return (0);
+ }
+
+ TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
+
+ sfsp = (const struct nfs_statfs *)dp;
+
+ if (v3) {
+ printf(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tbytes),
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_fbytes),
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_abytes));
+ if (vflag) {
+ printf(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tfiles),
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_ffiles),
+ EXTRACT_64BITS((u_int32_t *)&sfsp->sf_afiles),
+ EXTRACT_32BITS(&sfsp->sf_invarsec));
+ }
+ } else {
+ printf(" tsize %d bsize %d blocks %d bfree %d bavail %d",
+ EXTRACT_32BITS(&sfsp->sf_tsize),
+ EXTRACT_32BITS(&sfsp->sf_bsize),
+ EXTRACT_32BITS(&sfsp->sf_blocks),
+ EXTRACT_32BITS(&sfsp->sf_bfree),
+ EXTRACT_32BITS(&sfsp->sf_bavail));
+ }
+
+ return (1);
+trunc:
+ return (0);
+}
+
+static int
+parserddires(const u_int32_t *dp)
+{
+ int er;
+
+ dp = parsestatus(dp, &er);
+ if (dp == NULL)
+ return (0);
+ if (er)
+ return (1);
+ if (qflag)
+ return (1);
+
+ TCHECK(dp[2]);
+ printf(" offset %x size %d ",
+ EXTRACT_32BITS(&dp[0]), EXTRACT_32BITS(&dp[1]));
+ if (dp[2] != 0)
+ printf(" eof");
+
+ return (1);
+trunc:
+ return (0);
+}
+
+static const u_int32_t *
+parse_wcc_attr(const u_int32_t *dp)
+{
+ printf(" sz %" PRIu64, EXTRACT_64BITS(&dp[0]));
+ printf(" mtime %u.%06u ctime %u.%06u",
+ EXTRACT_32BITS(&dp[2]), EXTRACT_32BITS(&dp[3]),
+ EXTRACT_32BITS(&dp[4]), EXTRACT_32BITS(&dp[5]));
+ return (dp + 6);
+}
+
+/*
+ * Pre operation attributes. Print only if vflag > 1.
+ */
+static const u_int32_t *
+parse_pre_op_attr(const u_int32_t *dp, int verbose)
+{
+ TCHECK(dp[0]);
+ if (!EXTRACT_32BITS(&dp[0]))
+ return (dp + 1);
+ dp++;
+ TCHECK2(*dp, 24);
+ if (verbose > 1) {
+ return parse_wcc_attr(dp);
+ } else {
+ /* If not verbose enough, just skip over wcc_attr */
+ return (dp + 6);
+ }
+trunc:
+ return (NULL);
+}
+
+/*
+ * Post operation attributes are printed if vflag >= 1
+ */
+static const u_int32_t *
+parse_post_op_attr(const u_int32_t *dp, int verbose)
+{
+ TCHECK(dp[0]);
+ if (!EXTRACT_32BITS(&dp[0]))
+ return (dp + 1);
+ dp++;
+ if (verbose) {
+ return parsefattr(dp, verbose, 1);
+ } else
+ return (dp + (NFSX_V3FATTR / sizeof (u_int32_t)));
+trunc:
+ return (NULL);
+}
+
+static const u_int32_t *
+parse_wcc_data(const u_int32_t *dp, int verbose)
+{
+ if (verbose > 1)
+ printf(" PRE:");
+ if (!(dp = parse_pre_op_attr(dp, verbose)))
+ return (0);
+
+ if (verbose)
+ printf(" POST:");
+ return parse_post_op_attr(dp, verbose);
+}
+
+static const u_int32_t *
+parsecreateopres(const u_int32_t *dp, int verbose)
+{
+ int er;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ if (er)
+ dp = parse_wcc_data(dp, verbose);
+ else {
+ TCHECK(dp[0]);
+ if (!EXTRACT_32BITS(&dp[0]))
+ return (dp + 1);
+ dp++;
+ if (!(dp = parsefh(dp, 1)))
+ return (0);
+ if (verbose) {
+ if (!(dp = parse_post_op_attr(dp, verbose)))
+ return (0);
+ if (vflag > 1) {
+ printf(" dir attr:");
+ dp = parse_wcc_data(dp, verbose);
+ }
+ }
+ }
+ return (dp);
+trunc:
+ return (NULL);
+}
+
+static int
+parsewccres(const u_int32_t *dp, int verbose)
+{
+ int er;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ return parse_wcc_data(dp, verbose) != 0;
+}
+
+static const u_int32_t *
+parsev3rddirres(const u_int32_t *dp, int verbose)
+{
+ int er;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ if (vflag)
+ printf(" POST:");
+ if (!(dp = parse_post_op_attr(dp, verbose)))
+ return (0);
+ if (er)
+ return dp;
+ if (vflag) {
+ TCHECK(dp[1]);
+ printf(" verf %08x%08x", dp[0], dp[1]);
+ dp += 2;
+ }
+ return dp;
+trunc:
+ return (NULL);
+}
+
+static int
+parsefsinfo(const u_int32_t *dp)
+{
+ struct nfsv3_fsinfo *sfp;
+ int er;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ if (vflag)
+ printf(" POST:");
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ return (0);
+ if (er)
+ return (1);
+
+ sfp = (struct nfsv3_fsinfo *)dp;
+ TCHECK(*sfp);
+ printf(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
+ EXTRACT_32BITS(&sfp->fs_rtmax),
+ EXTRACT_32BITS(&sfp->fs_rtpref),
+ EXTRACT_32BITS(&sfp->fs_wtmax),
+ EXTRACT_32BITS(&sfp->fs_wtpref),
+ EXTRACT_32BITS(&sfp->fs_dtpref));
+ if (vflag) {
+ printf(" rtmult %u wtmult %u maxfsz %" PRIu64,
+ EXTRACT_32BITS(&sfp->fs_rtmult),
+ EXTRACT_32BITS(&sfp->fs_wtmult),
+ EXTRACT_64BITS((u_int32_t *)&sfp->fs_maxfilesize));
+ printf(" delta %u.%06u ",
+ EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_sec),
+ EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_nsec));
+ }
+ return (1);
+trunc:
+ return (0);
+}
+
+static int
+parsepathconf(const u_int32_t *dp)
+{
+ int er;
+ struct nfsv3_pathconf *spp;
+
+ if (!(dp = parsestatus(dp, &er)))
+ return (0);
+ if (vflag)
+ printf(" POST:");
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ return (0);
+ if (er)
+ return (1);
+
+ spp = (struct nfsv3_pathconf *)dp;
+ TCHECK(*spp);
+
+ printf(" linkmax %u namemax %u %s %s %s %s",
+ EXTRACT_32BITS(&spp->pc_linkmax),
+ EXTRACT_32BITS(&spp->pc_namemax),
+ EXTRACT_32BITS(&spp->pc_notrunc) ? "notrunc" : "",
+ EXTRACT_32BITS(&spp->pc_chownrestricted) ? "chownres" : "",
+ EXTRACT_32BITS(&spp->pc_caseinsensitive) ? "igncase" : "",
+ EXTRACT_32BITS(&spp->pc_casepreserving) ? "keepcase" : "");
+ return (1);
+trunc:
+ return (0);
+}
+
+static void
+interp_reply(const struct sunrpc_msg *rp, u_int32_t proc, u_int32_t vers, int length)
+{
+ register const u_int32_t *dp;
+ register int v3;
+ int er;
+
+ v3 = (vers == NFS_VER3);
+
+ if (!v3 && proc < NFS_NPROCS)
+ proc = nfsv3_procid[proc];
+
+ switch (proc) {
+
+ case NFSPROC_NOOP:
+ printf(" nop");
+ return;
+
+ case NFSPROC_NULL:
+ printf(" null");
+ return;
+
+ case NFSPROC_GETATTR:
+ printf(" getattr");
+ dp = parserep(rp, length);
+ if (dp != NULL && parseattrstat(dp, !qflag, v3) != 0)
+ return;
+ break;
+
+ case NFSPROC_SETATTR:
+ printf(" setattr");
+ if (!(dp = parserep(rp, length)))
+ return;
+ if (v3) {
+ if (parsewccres(dp, vflag))
+ return;
+ } else {
+ if (parseattrstat(dp, !qflag, 0) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_LOOKUP:
+ printf(" lookup");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (er) {
+ if (vflag > 1) {
+ printf(" post dattr:");
+ dp = parse_post_op_attr(dp, vflag);
+ }
+ } else {
+ if (!(dp = parsefh(dp, v3)))
+ break;
+ if ((dp = parse_post_op_attr(dp, vflag)) &&
+ vflag > 1) {
+ printf(" post dattr:");
+ dp = parse_post_op_attr(dp, vflag);
+ }
+ }
+ if (dp)
+ return;
+ } else {
+ if (parsediropres(dp) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_ACCESS:
+ printf(" access");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (vflag)
+ printf(" attr:");
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ break;
+ if (!er)
+ printf(" c %04x", EXTRACT_32BITS(&dp[0]));
+ return;
+
+ case NFSPROC_READLINK:
+ printf(" readlink");
+ dp = parserep(rp, length);
+ if (dp != NULL && parselinkres(dp, v3) != 0)
+ return;
+ break;
+
+ case NFSPROC_READ:
+ printf(" read");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ break;
+ if (er)
+ return;
+ if (vflag) {
+ TCHECK(dp[1]);
+ printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
+ if (EXTRACT_32BITS(&dp[1]))
+ printf(" EOF");
+ }
+ return;
+ } else {
+ if (parseattrstat(dp, vflag, 0) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_WRITE:
+ printf(" write");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (!(dp = parse_wcc_data(dp, vflag)))
+ break;
+ if (er)
+ return;
+ if (vflag) {
+ TCHECK(dp[0]);
+ printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
+ if (vflag > 1) {
+ TCHECK(dp[1]);
+ printf(" <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, EXTRACT_32BITS(&dp[1])));
+ }
+ return;
+ }
+ } else {
+ if (parseattrstat(dp, vflag, v3) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_CREATE:
+ printf(" create");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsecreateopres(dp, vflag) != 0)
+ return;
+ } else {
+ if (parsediropres(dp) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_MKDIR:
+ printf(" mkdir");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsecreateopres(dp, vflag) != 0)
+ return;
+ } else {
+ if (parsediropres(dp) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_SYMLINK:
+ printf(" symlink");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsecreateopres(dp, vflag) != 0)
+ return;
+ } else {
+ if (parsestatus(dp, &er) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_MKNOD:
+ printf(" mknod");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (parsecreateopres(dp, vflag) != 0)
+ return;
+ break;
+
+ case NFSPROC_REMOVE:
+ printf(" remove");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsewccres(dp, vflag))
+ return;
+ } else {
+ if (parsestatus(dp, &er) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_RMDIR:
+ printf(" rmdir");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsewccres(dp, vflag))
+ return;
+ } else {
+ if (parsestatus(dp, &er) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_RENAME:
+ printf(" rename");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (vflag) {
+ printf(" from:");
+ if (!(dp = parse_wcc_data(dp, vflag)))
+ break;
+ printf(" to:");
+ if (!(dp = parse_wcc_data(dp, vflag)))
+ break;
+ }
+ return;
+ } else {
+ if (parsestatus(dp, &er) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_LINK:
+ printf(" link");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (!(dp = parsestatus(dp, &er)))
+ break;
+ if (vflag) {
+ printf(" file POST:");
+ if (!(dp = parse_post_op_attr(dp, vflag)))
+ break;
+ printf(" dir:");
+ if (!(dp = parse_wcc_data(dp, vflag)))
+ break;
+ return;
+ }
+ } else {
+ if (parsestatus(dp, &er) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_READDIR:
+ printf(" readdir");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (v3) {
+ if (parsev3rddirres(dp, vflag))
+ return;
+ } else {
+ if (parserddires(dp) != 0)
+ return;
+ }
+ break;
+
+ case NFSPROC_READDIRPLUS:
+ printf(" readdirplus");
+ if (!(dp = parserep(rp, length)))
+ break;
+ if (parsev3rddirres(dp, vflag))
+ return;
+ break;
+
+ case NFSPROC_FSSTAT:
+ printf(" fsstat");
+ dp = parserep(rp, length);
+ if (dp != NULL && parsestatfs(dp, v3) != 0)
+ return;
+ break;
+
+ case NFSPROC_FSINFO:
+ printf(" fsinfo");
+ dp = parserep(rp, length);
+ if (dp != NULL && parsefsinfo(dp) != 0)
+ return;
+ break;
+
+ case NFSPROC_PATHCONF:
+ printf(" pathconf");
+ dp = parserep(rp, length);
+ if (dp != NULL && parsepathconf(dp) != 0)
+ return;
+ break;
+
+ case NFSPROC_COMMIT:
+ printf(" commit");
+ dp = parserep(rp, length);
+ if (dp != NULL && parsewccres(dp, vflag) != 0)
+ return;
+ break;
+
+ default:
+ printf(" proc-%u", proc);
+ return;
+ }
+trunc:
+ if (!nfserr)
+ fputs(" [|nfs]", stdout);
+}