To translate NFS error statuses to strings, use "tok2str()" and a table,

rather than using "pcap_strerror()", as

	1) not all NFS error statuses are UNIX errno values;

	2) even those that are UNIX errno values aren't necessarily
	   errno values for the system on which you're running tcpdump.

diff --git a/print-nfs.c b/print-nfs.c
index 8dcd9669dadb52551892cb8f257bce4dda8a378a..abae3709e2198a497328ffd5a4b563a1fddbe28d 100644 (file)
--- a/print-nfs.c
+++ b/print-nfs.c
@@ -21,7 +21,7 @@
 
 #ifndef lint
 static const char rcsid[] =
-    "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.80 2000-07-29 08:05:04 assar Exp $ (LBL)";
+    "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.81 2000-08-03 18:52:24 guy Exp $ (LBL)";
 #endif
 
 #ifdef HAVE_CONFIG_H
@@ -99,6 +99,55 @@ u_int32_t nfsv3_procid[NFS_NPROCS] = {
        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" },
@@ -977,7 +1026,8 @@ parsestatus(const u_int32_t *dp, int *er)
                *er = errnum;
        if (errnum != 0) {
                if (!qflag)
-                       printf(" ERROR: %s", pcap_strerror(errnum));
+                       printf(" ERROR: %s",
+                           tok2str(status2str, "unk %d", errnum));
                nfserr = 1;
                return (NULL);
        }