* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.69 1999-12-15 06:57:25 fenner Exp $ (LBL)";
-#endif
+/* \summary: Network File System (NFS) printer */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <sys/param.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-
-#if __STDC__
-struct mbuf;
-struct rtentry;
-#endif
-#include <net/if.h>
-
-#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
-
-#include <rpc/rpc.h>
+#include <netdissect-stdinc.h>
-#include <ctype.h>
-#include <pcap.h>
#include <stdio.h>
#include <string.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
+#include "extract.h"
#include "nfs.h"
#include "nfsfh.h"
-static void nfs_printfh(const u_int32_t *, const u_int);
-static void xid_map_enter(const struct rpc_msg *, const struct ip *);
-static int32_t xid_map_find(const struct rpc_msg *, const struct ip *,
- u_int32_t *, u_int32_t *);
-static void interp_reply(const struct rpc_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 int print_int64(const u_int32_t *dp, int how);
+#include "ip.h"
+#include "ip6.h"
+#include "rpc_auth.h"
+#include "rpc_msg.h"
+
+static const char tstr[] = " [|nfs]";
+
+static void nfs_printfh(netdissect_options *, const uint32_t *, const u_int);
+static int xid_map_enter(netdissect_options *, const struct sunrpc_msg *, const u_char *);
+static int xid_map_find(const struct sunrpc_msg *, const u_char *,
+ uint32_t *, uint32_t *);
+static void interp_reply(netdissect_options *, const struct sunrpc_msg *, uint32_t, uint32_t, int);
+static const uint32_t *parse_post_op_attr(netdissect_options *, const uint32_t *, int);
/*
* Mapping of old NFS Version 2 RPC numbers to generic numbers.
*/
-u_int32_t nfsv3_procid[NFS_NPROCS] = {
+static uint32_t nfsv3_procid[NFS_NPROCS] = {
NFSPROC_NULL,
NFSPROC_GETATTR,
NFSPROC_SETATTR,
NFSPROC_NOOP
};
-const char *nfsv3_writemodes[NFSV3WRITE_NMODES] = {
- "unstable",
- "datasync",
- "filesync"
+static const struct tok nfsproc_str[] = {
+ { NFSPROC_NOOP, "nop" },
+ { NFSPROC_NULL, "null" },
+ { NFSPROC_GETATTR, "getattr" },
+ { NFSPROC_SETATTR, "setattr" },
+ { NFSPROC_LOOKUP, "lookup" },
+ { NFSPROC_ACCESS, "access" },
+ { NFSPROC_READLINK, "readlink" },
+ { NFSPROC_READ, "read" },
+ { NFSPROC_WRITE, "write" },
+ { NFSPROC_CREATE, "create" },
+ { NFSPROC_MKDIR, "mkdir" },
+ { NFSPROC_SYMLINK, "symlink" },
+ { NFSPROC_MKNOD, "mknod" },
+ { NFSPROC_REMOVE, "remove" },
+ { NFSPROC_RMDIR, "rmdir" },
+ { NFSPROC_RENAME, "rename" },
+ { NFSPROC_LINK, "link" },
+ { NFSPROC_READDIR, "readdir" },
+ { NFSPROC_READDIRPLUS, "readdirplus" },
+ { NFSPROC_FSSTAT, "fsstat" },
+ { NFSPROC_FSINFO, "fsinfo" },
+ { NFSPROC_PATHCONF, "pathconf" },
+ { NFSPROC_COMMIT, "commit" },
+ { 0, NULL }
};
-static struct tok type2str[] = {
+/*
+ * 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 const 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 const struct tok nfsv3_writemodes[] = {
+ { 0, "unstable" },
+ { 1, "datasync" },
+ { 2, "filesync" },
+ { 0, NULL }
+};
+
+static const struct tok type2str[] = {
{ NFNON, "NON" },
{ NFREG, "REG" },
{ NFDIR, "DIR" },
{ 0, NULL }
};
-/*
- * Print out a 64-bit integer. This appears to be different on each system,
- * try to make the best of it. The integer stored as 2 consecutive XDR
- * encoded 32-bit integers, to which a pointer is passed.
- *
- * Assume that a system that has INT64_FORMAT defined, has a 64-bit
- * integer datatype and can print it.
- */
+static const struct tok sunrpc_auth_str[] = {
+ { SUNRPC_AUTH_OK, "OK" },
+ { SUNRPC_AUTH_BADCRED, "Bogus Credentials (seal broken)" },
+ { SUNRPC_AUTH_REJECTEDCRED, "Rejected Credentials (client should begin new session)" },
+ { SUNRPC_AUTH_BADVERF, "Bogus Verifier (seal broken)" },
+ { SUNRPC_AUTH_REJECTEDVERF, "Verifier expired or was replayed" },
+ { SUNRPC_AUTH_TOOWEAK, "Credentials are too weak" },
+ { SUNRPC_AUTH_INVALIDRESP, "Bogus response verifier" },
+ { SUNRPC_AUTH_FAILED, "Unknown failure" },
+ { 0, NULL }
+};
-#define UNSIGNED 0
-#define SIGNED 1
-#define HEX 2
+static const struct tok sunrpc_str[] = {
+ { SUNRPC_PROG_UNAVAIL, "PROG_UNAVAIL" },
+ { SUNRPC_PROG_MISMATCH, "PROG_MISMATCH" },
+ { SUNRPC_PROC_UNAVAIL, "PROC_UNAVAIL" },
+ { SUNRPC_GARBAGE_ARGS, "GARBAGE_ARGS" },
+ { SUNRPC_SYSTEM_ERR, "SYSTEM_ERR" },
+ { 0, NULL }
+};
-static int print_int64(const u_int32_t *dp, int how)
+static void
+print_nfsaddr(netdissect_options *ndo,
+ const u_char *bp, const char *s, const char *d)
{
-#ifdef INT64_FORMAT
- u_int64_t res;
-
- res = ((u_int64_t)ntohl(dp[0]) << 32) | (u_int64_t)ntohl(dp[1]);
- switch (how) {
- case SIGNED:
- printf(INT64_FORMAT, res);
+ const struct ip *ip;
+ const struct ip6_hdr *ip6;
+ char srcaddr[INET6_ADDRSTRLEN], dstaddr[INET6_ADDRSTRLEN];
+
+ srcaddr[0] = dstaddr[0] = '\0';
+ switch (IP_V((const struct ip *)bp)) {
+ case 4:
+ ip = (const struct ip *)bp;
+ strlcpy(srcaddr, ipaddr_string(ndo, &ip->ip_src), sizeof(srcaddr));
+ strlcpy(dstaddr, ipaddr_string(ndo, &ip->ip_dst), sizeof(dstaddr));
break;
- case UNSIGNED:
- printf(U_INT64_FORMAT, res);
- break;
- case HEX:
- printf(HEX_INT64_FORMAT, res);
+ case 6:
+ ip6 = (const struct ip6_hdr *)bp;
+ strlcpy(srcaddr, ip6addr_string(ndo, &ip6->ip6_src),
+ sizeof(srcaddr));
+ strlcpy(dstaddr, ip6addr_string(ndo, &ip6->ip6_dst),
+ sizeof(dstaddr));
break;
default:
- return (0);
- }
-#else
- switch (how) {
- case SIGNED :
- case UNSIGNED :
- case HEX :
- printf ("0x%x%08x", dp[0], dp[1]);
- break;
- default :
- return (0);
+ strlcpy(srcaddr, "?", sizeof(srcaddr));
+ strlcpy(dstaddr, "?", sizeof(dstaddr));
+ break;
}
-#endif
- return 1;
+
+ ND_PRINT((ndo, "%s.%s > %s.%s: ", srcaddr, s, dstaddr, d));
}
-static const u_int32_t *
-parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
+static const uint32_t *
+parse_sattr3(netdissect_options *ndo,
+ const uint32_t *dp, struct nfsv3_sattr *sa3)
{
- register const u_int32_t *ep = (u_int32_t *)snapend;
-
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_modeset = ntohl(*dp++))) {
- if (dp + 1 > ep)
- return (0);
- sa3->sa_mode = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_modeset = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_modeset) {
+ ND_TCHECK(dp[0]);
+ sa3->sa_mode = EXTRACT_BE_U_4(dp);
+ dp++;
}
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_uidset = ntohl(*dp++))) {
- if (dp + 1 > ep)
- return (0);
- sa3->sa_uid = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_uidset = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_uidset) {
+ ND_TCHECK(dp[0]);
+ sa3->sa_uid = EXTRACT_BE_U_4(dp);
+ dp++;
}
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_gidset = ntohl(*dp++))) {
- if (dp + 1 > ep)
- return (0);
- sa3->sa_gid = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_gidset = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_gidset) {
+ ND_TCHECK(dp[0]);
+ sa3->sa_gid = EXTRACT_BE_U_4(dp);
+ dp++;
}
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_sizeset = ntohl(*dp++))) {
- if (dp + 1 > ep)
- return (0);
- sa3->sa_size = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_sizeset = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_sizeset) {
+ ND_TCHECK(dp[0]);
+ sa3->sa_size = EXTRACT_BE_U_4(dp);
+ dp++;
}
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_atimetype = ntohl(*dp++)) == NFSV3SATTRTIME_TOCLIENT) {
- if (dp + 2 > ep)
- return (0);
- sa3->sa_atime.nfsv3_sec = ntohl(*dp++);
- sa3->sa_atime.nfsv3_nsec = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_atimetype = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT) {
+ ND_TCHECK(dp[1]);
+ sa3->sa_atime.nfsv3_sec = EXTRACT_BE_U_4(dp);
+ dp++;
+ sa3->sa_atime.nfsv3_nsec = EXTRACT_BE_U_4(dp);
+ dp++;
}
- if (dp + 1 > ep)
- return (0);
- if ((sa3->sa_mtimetype = ntohl(*dp++)) == NFSV3SATTRTIME_TOCLIENT) {
- if (dp + 2 > ep)
- return (0);
- sa3->sa_mtime.nfsv3_sec = ntohl(*dp++);
- sa3->sa_mtime.nfsv3_nsec = ntohl(*dp++);
+ ND_TCHECK(dp[0]);
+ sa3->sa_mtimetype = EXTRACT_BE_U_4(dp);
+ dp++;
+ if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT) {
+ ND_TCHECK(dp[1]);
+ sa3->sa_mtime.nfsv3_sec = EXTRACT_BE_U_4(dp);
+ dp++;
+ sa3->sa_mtime.nfsv3_nsec = EXTRACT_BE_U_4(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)
+print_sattr3(netdissect_options *ndo,
+ const struct nfsv3_sattr *sa3, int verbose)
{
if (sa3->sa_modeset)
- printf(" mode %o", sa3->sa_mode);
+ ND_PRINT((ndo, " mode %o", sa3->sa_mode));
if (sa3->sa_uidset)
- printf(" uid %u", sa3->sa_uid);
+ ND_PRINT((ndo, " uid %u", sa3->sa_uid));
if (sa3->sa_gidset)
- printf(" gid %u", sa3->sa_gid);
+ ND_PRINT((ndo, " 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);
+ ND_PRINT((ndo, " 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);
+ ND_PRINT((ndo, " 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)
+nfsreply_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length,
+ register const u_char *bp2)
{
- register const struct rpc_msg *rp;
- register const struct ip *ip;
- u_int32_t proc, vers;
+ register const struct sunrpc_msg *rp;
+ char srcid[20], dstid[20]; /*fits 32bit*/
nfserr = 0; /* assume no error */
- rp = (const struct rpc_msg *)bp;
- ip = (const struct ip *)bp2;
-
- if (!nflag)
- (void)printf("%s.nfs > %s.%u: reply %s %d",
- ipaddr_string(&ip->ip_src),
- ipaddr_string(&ip->ip_dst),
- (u_int32_t)ntohl(rp->rm_xid),
- ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
- "ok":"ERR",
- length);
- else
- (void)printf("%s.%u > %s.%u: reply %s %d",
- ipaddr_string(&ip->ip_src),
- NFS_PORT,
- ipaddr_string(&ip->ip_dst),
- (u_int32_t)ntohl(rp->rm_xid),
- ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
- "ok":"ERR",
- length);
-
- if (xid_map_find(rp, ip, &proc, &vers) >= 0)
- interp_reply(rp, proc, vers, length);
+ rp = (const struct sunrpc_msg *)bp;
+
+ ND_TCHECK(rp->rm_xid);
+ if (!ndo->ndo_nflag) {
+ strlcpy(srcid, "nfs", sizeof(srcid));
+ snprintf(dstid, sizeof(dstid), "%u",
+ EXTRACT_BE_U_4(&rp->rm_xid));
+ } else {
+ snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
+ snprintf(dstid, sizeof(dstid), "%u",
+ EXTRACT_BE_U_4(&rp->rm_xid));
+ }
+ print_nfsaddr(ndo, bp2, srcid, dstid);
+
+ nfsreply_noaddr_print(ndo, bp, length, bp2);
+ return;
+
+trunc:
+ if (!nfserr)
+ ND_PRINT((ndo, "%s", tstr));
+}
+
+void
+nfsreply_noaddr_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length,
+ register const u_char *bp2)
+{
+ register const struct sunrpc_msg *rp;
+ uint32_t proc, vers, reply_stat;
+ enum sunrpc_reject_stat rstat;
+ uint32_t rlow;
+ uint32_t rhigh;
+ enum sunrpc_auth_stat rwhy;
+
+ nfserr = 0; /* assume no error */
+ rp = (const struct sunrpc_msg *)bp;
+
+ ND_TCHECK(rp->rm_reply.rp_stat);
+ reply_stat = EXTRACT_BE_U_4(&rp->rm_reply.rp_stat);
+ switch (reply_stat) {
+
+ case SUNRPC_MSG_ACCEPTED:
+ ND_PRINT((ndo, "reply ok %u", length));
+ if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
+ interp_reply(ndo, rp, proc, vers, length);
+ break;
+
+ case SUNRPC_MSG_DENIED:
+ ND_PRINT((ndo, "reply ERR %u: ", length));
+ ND_TCHECK(rp->rm_reply.rp_reject.rj_stat);
+ rstat = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_stat);
+ switch (rstat) {
+
+ case SUNRPC_RPC_MISMATCH:
+ ND_TCHECK(rp->rm_reply.rp_reject.rj_vers.high);
+ rlow = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.low);
+ rhigh = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.high);
+ ND_PRINT((ndo, "RPC Version mismatch (%u-%u)", rlow, rhigh));
+ break;
+
+ case SUNRPC_AUTH_ERROR:
+ ND_TCHECK(rp->rm_reply.rp_reject.rj_why);
+ rwhy = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_why);
+ ND_PRINT((ndo, "Auth %s", tok2str(sunrpc_auth_str, "Invalid failure code %u", rwhy)));
+ break;
+
+ default:
+ ND_PRINT((ndo, "Unknown reason for rejecting rpc message %u", (unsigned int)rstat));
+ break;
+ }
+ break;
+
+ default:
+ ND_PRINT((ndo, "reply Unknown rpc response code=%u %u", reply_stat, length));
+ break;
+ }
+ return;
+
+trunc:
+ if (!nfserr)
+ ND_PRINT((ndo, "%s", tstr));
}
/*
* 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 rpc_msg *rp, register u_int length)
+static const uint32_t *
+parsereq(netdissect_options *ndo,
+ register const struct sunrpc_msg *rp, register u_int length)
{
- register const u_int32_t *dp;
+ register const uint32_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 = ntohl(dp[1]);
+ dp = (const uint32_t *)&rp->rm_call.cb_cred;
+ ND_TCHECK(dp[1]);
+ len = EXTRACT_BE_U_4(dp + 1);
if (len < length) {
dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
- TCHECK(dp[1]);
- len = ntohl(dp[1]);
+ ND_TCHECK(dp[1]);
+ len = EXTRACT_BE_U_4(dp + 1);
if (len < length) {
dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
- TCHECK2(dp[0], 0);
+ ND_TCHECK2(dp[0], 0);
return (dp);
}
}
* 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)
+static const uint32_t *
+parsefh(netdissect_options *ndo,
+ register const uint32_t *dp, int v3)
{
- int len;
+ u_int len;
if (v3) {
- if (dp + 1 > (u_int32_t *)snapend)
- return (0);
- len = (int)ntohl(*dp) / 4;
+ ND_TCHECK(dp[0]);
+ len = EXTRACT_BE_U_4(dp) / 4;
dp++;
} else
len = NFSX_V2FH / 4;
- if (dp + len <= (u_int32_t *)snapend) {
- nfs_printfh(dp, len);
+ if (ND_TTEST2(*dp, len * sizeof(*dp))) {
+ nfs_printfh(ndo, 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)
+static const uint32_t *
+parsefn(netdissect_options *ndo,
+ register const uint32_t *dp)
{
- register u_int32_t len;
+ register uint32_t len;
register const u_char *cp;
/* Bail if we don't have the string length */
- if ((u_char *)dp > snapend - sizeof(*dp))
- return (NULL);
+ ND_TCHECK(*dp);
/* Fetch string length; convert to host order */
len = *dp++;
NTOHL(len);
- cp = (u_char *)dp;
+ ND_TCHECK2(*dp, ((len + 3) & ~3));
+
+ cp = (const u_char *)dp;
/* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
dp += ((len + 3) & ~3) / sizeof(*dp);
- if ((u_char *)dp > snapend)
- return (NULL);
- /* XXX seems like we should be checking the length */
- putchar('"');
- (void) fn_printn(cp, len, NULL);
- putchar('"');
+ ND_PRINT((ndo, "\""));
+ if (fn_printn(ndo, cp, len, ndo->ndo_snapend)) {
+ ND_PRINT((ndo, "\""));
+ goto trunc;
+ }
+ ND_PRINT((ndo, "\""));
return (dp);
+trunc:
+ return NULL;
}
/*
* 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)
+static const uint32_t *
+parsefhn(netdissect_options *ndo,
+ register const uint32_t *dp, int v3)
{
- dp = parsefh(dp, v3);
+ dp = parsefh(ndo, dp, v3);
if (dp == NULL)
return (NULL);
- putchar(' ');
- return (parsefn(dp));
+ ND_PRINT((ndo, " "));
+ return (parsefn(ndo, dp));
}
void
-nfsreq_print(register const u_char *bp, u_int length,
- register const u_char *bp2)
+nfsreq_noaddr_print(netdissect_options *ndo,
+ register const u_char *bp, u_int length,
+ register const u_char *bp2)
{
- register const struct rpc_msg *rp;
- register const struct ip *ip;
- register const u_int32_t *dp;
- nfstype type;
+ register const struct sunrpc_msg *rp;
+ register const uint32_t *dp;
+ nfs_type type;
int v3;
- u_int32_t proc;
+ uint32_t proc;
+ uint32_t access_flags;
struct nfsv3_sattr sa3;
+ ND_PRINT((ndo, "%d", length));
nfserr = 0; /* assume no error */
- rp = (const struct rpc_msg *)bp;
- ip = (const struct ip *)bp2;
- if (!nflag)
- (void)printf("%s.%u > %s.nfs: %d",
- ipaddr_string(&ip->ip_src),
- (u_int32_t)ntohl(rp->rm_xid),
- ipaddr_string(&ip->ip_dst),
- length);
- else
- (void)printf("%s.%u > %s.%u: %d",
- ipaddr_string(&ip->ip_src),
- (u_int32_t)ntohl(rp->rm_xid),
- ipaddr_string(&ip->ip_dst),
- NFS_PORT,
- length);
+ rp = (const struct sunrpc_msg *)bp;
- xid_map_enter(rp, ip); /* record proc number for later on */
+ if (!xid_map_enter(ndo, rp, bp2)) /* record proc number for later on */
+ goto trunc;
- v3 = (ntohl(rp->rm_call.cb_vers) == NFS_VER3);
- proc = ntohl(rp->rm_call.cb_proc);
+ v3 = (EXTRACT_BE_U_4(&rp->rm_call.cb_vers) == NFS_VER3);
+ proc = EXTRACT_BE_U_4(&rp->rm_call.cb_proc);
if (!v3 && proc < NFS_NPROCS)
proc = nfsv3_procid[proc];
+ ND_PRINT((ndo, " %s", tok2str(nfsproc_str, "proc-%u", 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)
+ case NFSPROC_READLINK:
+ case NFSPROC_FSSTAT:
+ case NFSPROC_FSINFO:
+ case NFSPROC_PATHCONF:
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ parsefh(ndo, dp, v3) != NULL)
return;
break;
case NFSPROC_LOOKUP:
- printf(" lookup");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefhn(dp, v3) != NULL)
+ case NFSPROC_CREATE:
+ case NFSPROC_MKDIR:
+ case NFSPROC_REMOVE:
+ case NFSPROC_RMDIR:
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ parsefhn(ndo, dp, v3) != NULL)
return;
break;
case NFSPROC_ACCESS:
- printf(" access");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- TCHECK2(dp[0], 4);
- printf(" %04x", ntohl(dp[0]));
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
+ ND_TCHECK(dp[0]);
+ access_flags = EXTRACT_BE_U_4(dp);
+ if (access_flags & ~NFSV3ACCESS_FULL) {
+ /* NFSV3ACCESS definitions aren't up to date */
+ ND_PRINT((ndo, " %04x", access_flags));
+ } else if ((access_flags & NFSV3ACCESS_FULL) == NFSV3ACCESS_FULL) {
+ ND_PRINT((ndo, " NFS_ACCESS_FULL"));
+ } else {
+ char separator = ' ';
+ if (access_flags & NFSV3ACCESS_READ) {
+ ND_PRINT((ndo, " NFS_ACCESS_READ"));
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_LOOKUP) {
+ ND_PRINT((ndo, "%cNFS_ACCESS_LOOKUP", separator));
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_MODIFY) {
+ ND_PRINT((ndo, "%cNFS_ACCESS_MODIFY", separator));
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_EXTEND) {
+ ND_PRINT((ndo, "%cNFS_ACCESS_EXTEND", separator));
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_DELETE) {
+ ND_PRINT((ndo, "%cNFS_ACCESS_DELETE", separator));
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_EXECUTE)
+ ND_PRINT((ndo, "%cNFS_ACCESS_EXECUTE", separator));
+ }
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 ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
if (v3) {
- TCHECK2(dp[0], 3 * sizeof(*dp));
- printf(" %u bytes @ ",
- (u_int32_t) ntohl(dp[2]));
- print_int64(dp, UNSIGNED);
+ ND_TCHECK(dp[2]);
+ ND_PRINT((ndo, " %u bytes @ %" PRIu64,
+ EXTRACT_BE_U_4(dp + 2),
+ EXTRACT_BE_U_8(dp)));
} else {
- TCHECK2(dp[0], 2 * sizeof(*dp));
- printf(" %u bytes @ %u",
- (u_int32_t)ntohl(dp[1]),
- (u_int32_t)ntohl(dp[0]));
- }
+ ND_TCHECK(dp[1]);
+ ND_PRINT((ndo, " %u bytes @ %u",
+ EXTRACT_BE_U_4(dp + 1),
+ EXTRACT_BE_U_4(dp)));
+ }
return;
}
break;
case NFSPROC_WRITE:
- printf(" write");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
if (v3) {
- TCHECK2(dp[0], 3 * sizeof(*dp));
- printf(" %u bytes @ ",
- (u_int32_t) ntohl(dp[4]));
- print_int64(dp, UNSIGNED);
- if (vflag) {
- dp += 3;
- TCHECK2(dp[0], sizeof(*dp));
- printf(" <%s>",
- nfsv3_writemodes[ntohl(*dp)]);
+ ND_TCHECK(dp[4]);
+ ND_PRINT((ndo, " %u (%u) bytes @ %" PRIu64,
+ EXTRACT_BE_U_4(dp + 4),
+ EXTRACT_BE_U_4(dp + 2),
+ EXTRACT_BE_U_8(dp)));
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, " <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, EXTRACT_BE_U_4(dp + 3))));
}
} else {
- TCHECK2(dp[0], 4 * sizeof(*dp));
- printf(" %u (%u) bytes @ %u (%u)",
- (u_int32_t)ntohl(dp[3]),
- (u_int32_t)ntohl(dp[2]),
- (u_int32_t)ntohl(dp[1]),
- (u_int32_t)ntohl(dp[0]));
+ ND_TCHECK(dp[3]);
+ ND_PRINT((ndo, " %u (%u) bytes @ %u (%u)",
+ EXTRACT_BE_U_4(dp + 3),
+ EXTRACT_BE_U_4(dp + 2),
+ EXTRACT_BE_U_4(dp + 1),
+ EXTRACT_BE_U_4(dp)));
}
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)
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefhn(ndo, dp, v3)) != NULL) {
+ ND_PRINT((ndo, " ->"));
+ if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
break;
- if (parsefn(dp) == 0)
+ if (parsefn(ndo, dp) == NULL)
break;
- if (v3 && vflag)
- print_sattr3(&sa3, vflag);
- return;
+ if (v3 && ndo->ndo_vflag)
+ print_sattr3(ndo, &sa3, ndo->ndo_vflag);
+ return;
}
break;
case NFSPROC_MKNOD:
- printf(" mknod");
- if ((dp = parsereq(rp, length)) != 0 &&
- (dp = parsefhn(dp, v3)) != 0) {
- if (dp + 1 > (u_int32_t *)snapend)
- break;
- type = (nfstype)ntohl(*dp++);
- if ((dp = parse_sattr3(dp, &sa3)) == 0)
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefhn(ndo, dp, v3)) != NULL) {
+ ND_TCHECK(*dp);
+ type = (nfs_type) EXTRACT_BE_U_4(dp);
+ dp++;
+ if ((dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
break;
- printf(" %s", tok2str(type2str, "unk-ft %d", type));
- if (vflag && (type == NFCHR || type == NFBLK)) {
- if (dp + 2 > (u_int32_t *)snapend)
- break;
- printf(" %u/%u", ntohl(dp[0]), ntohl(dp[1]));
+ ND_PRINT((ndo, " %s", tok2str(type2str, "unk-ft %d", type)));
+ if (ndo->ndo_vflag && (type == NFCHR || type == NFBLK)) {
+ ND_TCHECK(dp[1]);
+ ND_PRINT((ndo, " %u/%u",
+ EXTRACT_BE_U_4(dp),
+ EXTRACT_BE_U_4(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)
+ if (ndo->ndo_vflag)
+ print_sattr3(ndo, &sa3, ndo->ndo_vflag);
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)
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefhn(ndo, dp, v3)) != NULL) {
+ ND_PRINT((ndo, " ->"));
+ if (parsefhn(ndo, 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;
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
+ ND_PRINT((ndo, " ->"));
+ if (parsefhn(ndo, dp, v3) != NULL)
+ return;
}
break;
case NFSPROC_READDIR:
- printf(" readdir");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
if (v3) {
- TCHECK2(dp[0], 20);
+ ND_TCHECK(dp[4]);
/*
* We shouldn't really try to interpret the
* offset cookie here.
*/
- printf(" %u bytes @ ",
- (u_int32_t) ntohl(dp[4]));
- print_int64(dp, SIGNED);
- if (vflag)
- printf(" verf %08x%08x", dp[2],
- dp[3]);
+ ND_PRINT((ndo, " %u bytes @ %" PRId64,
+ EXTRACT_BE_U_4(dp + 4),
+ EXTRACT_BE_U_8(dp)));
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " verf %08x%08x", dp[2], dp[3]));
} else {
- TCHECK2(dp[0], 2 * sizeof(*dp));
- /*
+ ND_TCHECK(dp[1]);
+ /*
* Print the offset as signed, since -1 is
* common, but offsets > 2^31 aren't.
- */
- printf(" %u bytes @ %d",
- (u_int32_t)ntohl(dp[1]),
- (u_int32_t)ntohl(dp[0]));
+ */
+ ND_PRINT((ndo, " %u bytes @ %d",
+ EXTRACT_BE_U_4(dp + 1),
+ EXTRACT_BE_U_4(dp)));
}
return;
}
break;
case NFSPROC_READDIRPLUS:
- printf(" readdirplus");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- TCHECK2(dp[0], 20);
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
+ ND_TCHECK(dp[4]);
/*
* We don't try to interpret the offset
* cookie here.
*/
- printf(" %u bytes @ ", (u_int32_t) ntohl(dp[4]));
- print_int64(dp, SIGNED);
- if (vflag)
- printf(" max %u verf %08x%08x",
- (u_int32_t) ntohl(dp[5]), dp[2], dp[3]);
+ ND_PRINT((ndo, " %u bytes @ %" PRId64,
+ EXTRACT_BE_U_4(dp + 4),
+ EXTRACT_BE_U_8(dp)));
+ if (ndo->ndo_vflag) {
+ ND_TCHECK(dp[5]);
+ ND_PRINT((ndo, " max %u verf %08x%08x",
+ EXTRACT_BE_U_4(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");
- break;
-
- case NFSPROC_PATHCONF:
- printf(" pathconf");
- break;
-
case NFSPROC_COMMIT:
- printf(" commit");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- printf(" %u bytes @ ", (u_int32_t) ntohl(dp[2]));
- print_int64(dp, UNSIGNED);
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefh(ndo, dp, v3)) != NULL) {
+ ND_TCHECK(dp[2]);
+ ND_PRINT((ndo, " %u bytes @ %" PRIu64,
+ EXTRACT_BE_U_4(dp + 2),
+ EXTRACT_BE_U_8(dp)));
return;
}
break;
default:
- printf(" proc-%u", (u_int32_t)ntohl(rp->rm_call.cb_proc));
return;
}
+
trunc:
if (!nfserr)
- fputs(" [|nfs]", stdout);
+ ND_PRINT((ndo, "%s", tstr));
}
/*
* additional hacking on the parser code.
*/
static void
-nfs_printfh(register const u_int32_t *dp, const u_int len)
+nfs_printfh(netdissect_options *ndo,
+ register const uint32_t *dp, const u_int len)
{
my_fsid fsid;
- ino_t ino;
- char *sfsname = NULL;
+ uint32_t ino;
+ const char *sfsname = NULL;
+ char *spacep;
+
+ if (ndo->ndo_uflag) {
+ u_int i;
+ char const *sep = "";
+
+ ND_PRINT((ndo, " fh["));
+ for (i=0; i<len; i++) {
+ ND_PRINT((ndo, "%s%x", sep, dp[i]));
+ sep = ":";
+ }
+ ND_PRINT((ndo, "]"));
+ return;
+ }
- Parse_fh((caddr_t*)dp, len, &fsid, &ino, NULL, &sfsname, 0);
+ 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];
+ char temp[NFSX_V3FHMAX+1];
+ u_int stringlen;
/* Make sure string is null-terminated */
- strncpy(temp, sfsname, NFSX_V3FHMAX);
+ stringlen = len;
+ if (stringlen > NFSX_V3FHMAX)
+ stringlen = NFSX_V3FHMAX;
+ strncpy(temp, sfsname, stringlen);
+ temp[stringlen] = '\0';
/* Remove trailing spaces */
- sfsname = strchr(temp, ' ');
- if (sfsname)
- *sfsname = 0;
+ spacep = strchr(temp, ' ');
+ if (spacep)
+ *spacep = '\0';
- (void)printf(" fh %s/%ld", temp, (long) ino);
- }
- else {
- (void)printf(" fh %d,%d/%ld",
- fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor,
- (long) ino);
+ ND_PRINT((ndo, " fh %s/", temp));
+ } else {
+ ND_PRINT((ndo, " fh %d,%d/",
+ fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor));
}
+
+ if(fsid.Fsid_dev.Minor == 257)
+ /* Print the undecoded handle */
+ ND_PRINT((ndo, "%s", fsid.Opaque_Handle));
+ else
+ ND_PRINT((ndo, "%ld", (long) ino));
}
/*
*/
struct xid_map_entry {
- u_int32_t xid; /* transaction ID (net order) */
- struct in_addr client; /* client IP address (net order) */
- struct in_addr server; /* server IP address (net order) */
- u_int32_t proc; /* call proc number (host order) */
- u_int32_t vers; /* program version (host order) */
+ uint32_t xid; /* transaction ID (net order) */
+ int ipver; /* IP version (4 or 6) */
+ struct in6_addr client; /* client IP address (net order) */
+ struct in6_addr server; /* server IP address (net order) */
+ uint32_t proc; /* call proc number (host order) */
+ uint32_t vers; /* program version (host order) */
};
/*
#define XIDMAPSIZE 64
-struct xid_map_entry xid_map[XIDMAPSIZE];
+static struct xid_map_entry xid_map[XIDMAPSIZE];
-int xid_map_next = 0;
-int xid_map_hint = 0;
+static int xid_map_next = 0;
+static int xid_map_hint = 0;
-static void
-xid_map_enter(const struct rpc_msg *rp, const struct ip *ip)
+static int
+xid_map_enter(netdissect_options *ndo,
+ const struct sunrpc_msg *rp, const u_char *bp)
{
+ const struct ip *ip = NULL;
+ const struct ip6_hdr *ip6 = NULL;
struct xid_map_entry *xmep;
+ if (!ND_TTEST(rp->rm_call.cb_proc))
+ return (0);
+ switch (IP_V((const struct ip *)bp)) {
+ case 4:
+ ip = (const struct ip *)bp;
+ break;
+ case 6:
+ ip6 = (const struct ip6_hdr *)bp;
+ break;
+ default:
+ return (1);
+ }
+
xmep = &xid_map[xid_map_next];
if (++xid_map_next >= XIDMAPSIZE)
xid_map_next = 0;
- xmep->xid = rp->rm_xid;
- xmep->client = ip->ip_src;
- xmep->server = ip->ip_dst;
- xmep->proc = ntohl(rp->rm_call.cb_proc);
- xmep->vers = ntohl(rp->rm_call.cb_vers);
+ UNALIGNED_MEMCPY(&xmep->xid, &rp->rm_xid, sizeof(xmep->xid));
+ if (ip) {
+ xmep->ipver = 4;
+ UNALIGNED_MEMCPY(&xmep->client, &ip->ip_src, sizeof(ip->ip_src));
+ UNALIGNED_MEMCPY(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
+ }
+ else if (ip6) {
+ xmep->ipver = 6;
+ UNALIGNED_MEMCPY(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
+ UNALIGNED_MEMCPY(&xmep->server, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
+ }
+ xmep->proc = EXTRACT_BE_U_4(&rp->rm_call.cb_proc);
+ xmep->vers = EXTRACT_BE_U_4(&rp->rm_call.cb_vers);
+ return (1);
}
-/* Returns NFSPROC_xxx or -1 on failure */
+/*
+ * 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 rpc_msg *rp, const struct ip *ip, u_int32_t *proc,
- u_int32_t *vers)
+xid_map_find(const struct sunrpc_msg *rp, const u_char *bp, uint32_t *proc,
+ uint32_t *vers)
{
int i;
struct xid_map_entry *xmep;
- u_int32_t xid = rp->rm_xid;
- u_int32_t clip = ip->ip_dst.s_addr;
- u_int32_t sip = ip->ip_src.s_addr;
+ uint32_t xid;
+ const struct ip *ip = (const struct ip *)bp;
+ const struct ip6_hdr *ip6 = (const struct ip6_hdr *)bp;
+ int cmp;
+ UNALIGNED_MEMCPY(&xid, &rp->rm_xid, sizeof(xmep->xid));
/* Start searching from where we last left off */
i = xid_map_hint;
do {
xmep = &xid_map[i];
- if (xmep->xid == xid && xmep->client.s_addr == clip &&
- xmep->server.s_addr == sip) {
+ cmp = 1;
+ if (xmep->ipver != IP_V(ip) || xmep->xid != xid)
+ goto nextitem;
+ switch (xmep->ipver) {
+ case 4:
+ if (UNALIGNED_MEMCMP(&ip->ip_src, &xmep->server,
+ sizeof(ip->ip_src)) != 0 ||
+ UNALIGNED_MEMCMP(&ip->ip_dst, &xmep->client,
+ sizeof(ip->ip_dst)) != 0) {
+ cmp = 0;
+ }
+ break;
+ case 6:
+ if (UNALIGNED_MEMCMP(&ip6->ip6_src, &xmep->server,
+ sizeof(ip6->ip6_src)) != 0 ||
+ UNALIGNED_MEMCMP(&ip6->ip6_dst, &xmep->client,
+ sizeof(ip6->ip6_dst)) != 0) {
+ cmp = 0;
+ }
+ break;
+ default:
+ cmp = 0;
+ break;
+ }
+ if (cmp) {
/* match */
xid_map_hint = i;
*proc = xmep->proc;
*vers = xmep->vers;
- return 1;
+ return 0;
}
+ nextitem:
if (++i >= XIDMAPSIZE)
i = 0;
} while (i != xid_map_hint);
/* search failed */
- return (0);
+ return (-1);
}
/*
* 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 rpc_msg *rp, register u_int length)
+static const uint32_t *
+parserep(netdissect_options *ndo,
+ register const struct sunrpc_msg *rp, register u_int length)
{
- register const u_int32_t *dp;
+ register const uint32_t *dp;
u_int len;
- enum accept_stat astat;
+ 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
+ * dp = (uint32_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",
* 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;
- TCHECK2(dp[0], 1);
- len = ntohl(dp[1]);
+ dp = ((const uint32_t *)&rp->rm_reply) + 1;
+ ND_TCHECK(dp[1]);
+ len = EXTRACT_BE_U_4(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);
+ dp += (len + (2*sizeof(uint32_t) + 3)) / sizeof(uint32_t);
/*
* now we can check the ar_stat field
*/
- astat = ntohl(*(enum accept_stat *)dp);
- switch (astat) {
-
- case SUCCESS:
- break;
-
- case PROG_UNAVAIL:
- printf(" PROG_UNAVAIL");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case PROG_MISMATCH:
- printf(" PROG_MISMATCH");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case PROC_UNAVAIL:
- printf(" PROC_UNAVAIL");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case GARBAGE_ARGS:
- printf(" GARBAGE_ARGS");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case SYSTEM_ERR:
- printf(" SYSTEM_ERR");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- default:
- printf(" ar_stat %d", astat);
+ ND_TCHECK(dp[0]);
+ astat = (enum sunrpc_accept_stat) EXTRACT_BE_U_4(dp);
+ if (astat != SUNRPC_SUCCESS) {
+ ND_PRINT((ndo, " %s", tok2str(sunrpc_str, "ar_stat %d", astat)));
nfserr = 1; /* suppress trunc string */
return (NULL);
}
/* successful return */
- if ((sizeof(astat) + ((u_char *)dp)) < snapend)
- return ((u_int32_t *) (sizeof(astat) + ((char *)dp)));
+ ND_TCHECK2(*dp, sizeof(astat));
+ return ((const uint32_t *) (sizeof(astat) + ((const char *)dp)));
trunc:
return (0);
}
-#define T2CHECK(p, l) if ((u_char *)(p) > ((u_char *)snapend) - l) return(0)
-
-/*
- * Not all systems have strerror().
- */
-static const char *
-strerr(int errno)
+static const uint32_t *
+parsestatus(netdissect_options *ndo,
+ const uint32_t *dp, int *er)
{
- return (strerror(errno));
-}
+ int errnum;
-static const u_int32_t *
-parsestatus(const u_int32_t *dp, int *er)
-{
- int errno;
- T2CHECK(dp, 4);
+ ND_TCHECK(dp[0]);
- errno = ntohl(dp[0]);
+ errnum = EXTRACT_BE_U_4(dp);
if (er)
- *er = errno;
- if (errno != 0 && !qflag) {
- const char *errmsg;
-
- errmsg = strerr(errno);
- if (errmsg)
- printf(" ERROR: '%s'", errmsg);
- else
- printf(" ERROR: %d", errno);
+ *er = errnum;
+ if (errnum != 0) {
+ if (!ndo->ndo_qflag)
+ ND_PRINT((ndo, " 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)
+static const uint32_t *
+parsefattr(netdissect_options *ndo,
+ const uint32_t *dp, int verbose, int v3)
{
const struct nfs_fattr *fap;
- T2CHECK(dp, 5 * sizeof(*dp));
-
fap = (const struct nfs_fattr *)dp;
+ ND_TCHECK(fap->fa_gid);
if (verbose) {
- printf(" %s %o ids %d/%d",
+ ND_PRINT((ndo, " %s %o ids %d/%d",
tok2str(type2str, "unk-ft %d ",
- (u_int32_t)ntohl(fap->fa_type)),
- (u_int32_t)ntohl(fap->fa_mode),
- (u_int32_t)ntohl(fap->fa_uid),
- (u_int32_t) ntohl(fap->fa_gid));
+ EXTRACT_BE_U_4(&fap->fa_type)),
+ EXTRACT_BE_U_4(&fap->fa_mode),
+ EXTRACT_BE_U_4(&fap->fa_uid),
+ EXTRACT_BE_U_4(&fap->fa_gid)));
if (v3) {
- T2CHECK(dp, 7 * sizeof(*dp));
- printf(" sz ");
- print_int64((u_int32_t *)&fap->fa3_size, UNSIGNED);
- putchar(' ');
- }
- else {
- T2CHECK(dp, 6 * sizeof(*dp));
- printf(" sz %d ", (u_int32_t) ntohl(fap->fa2_size));
+ ND_TCHECK(fap->fa3_size);
+ ND_PRINT((ndo, " sz %" PRIu64,
+ EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_size)));
+ } else {
+ ND_TCHECK(fap->fa2_size);
+ ND_PRINT((ndo, " sz %d", EXTRACT_BE_U_4(&fap->fa2_size)));
}
}
/* print lots more stuff */
if (verbose > 1) {
if (v3) {
- T2CHECK(dp, 64);
- printf("nlink %d rdev %d/%d ",
- (u_int32_t)ntohl(fap->fa_nlink),
- (u_int32_t) ntohl(fap->fa3_rdev.specdata1),
- (u_int32_t) ntohl(fap->fa3_rdev.specdata2));
- printf("fsid ");
- print_int64((u_int32_t *)&fap->fa2_fsid, HEX);
- printf(" nodeid ");
- print_int64((u_int32_t *)&fap->fa2_fileid, HEX);
- printf(" a/m/ctime %u.%06u ",
- (u_int32_t) ntohl(fap->fa3_atime.nfsv3_sec),
- (u_int32_t) ntohl(fap->fa3_atime.nfsv3_nsec));
- printf("%u.%06u ",
- (u_int32_t) ntohl(fap->fa3_mtime.nfsv3_sec),
- (u_int32_t) ntohl(fap->fa3_mtime.nfsv3_nsec));
- printf("%u.%06u ",
- (u_int32_t) ntohl(fap->fa3_ctime.nfsv3_sec),
- (u_int32_t) ntohl(fap->fa3_ctime.nfsv3_nsec));
+ ND_TCHECK(fap->fa3_ctime);
+ ND_PRINT((ndo, " nlink %d rdev %d/%d",
+ EXTRACT_BE_U_4(&fap->fa_nlink),
+ EXTRACT_BE_U_4(&fap->fa3_rdev.specdata1),
+ EXTRACT_BE_U_4(&fap->fa3_rdev.specdata2)));
+ ND_PRINT((ndo, " fsid %" PRIx64,
+ EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_fsid)));
+ ND_PRINT((ndo, " fileid %" PRIx64,
+ EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_fileid)));
+ ND_PRINT((ndo, " a/m/ctime %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa3_atime.nfsv3_sec),
+ EXTRACT_BE_U_4(&fap->fa3_atime.nfsv3_nsec)));
+ ND_PRINT((ndo, " %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa3_mtime.nfsv3_sec),
+ EXTRACT_BE_U_4(&fap->fa3_mtime.nfsv3_nsec)));
+ ND_PRINT((ndo, " %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa3_ctime.nfsv3_sec),
+ EXTRACT_BE_U_4(&fap->fa3_ctime.nfsv3_nsec)));
} else {
- T2CHECK(dp, 48);
- printf("nlink %d rdev %x fsid %x nodeid %x a/m/ctime ",
- (u_int32_t) ntohl(fap->fa_nlink),
- (u_int32_t) ntohl(fap->fa2_rdev),
- (u_int32_t) ntohl(fap->fa2_fsid),
- (u_int32_t) ntohl(fap->fa2_fileid));
- printf("%u.%06u ",
- (u_int32_t) ntohl(fap->fa2_atime.nfsv2_sec),
- (u_int32_t) ntohl(fap->fa2_atime.nfsv2_usec));
- printf("%u.%06u ",
- (u_int32_t) ntohl(fap->fa2_mtime.nfsv2_sec),
- (u_int32_t) ntohl(fap->fa2_mtime.nfsv2_usec));
- printf("%u.%06u ",
- (u_int32_t) ntohl(fap->fa2_ctime.nfsv2_sec),
- (u_int32_t) ntohl(fap->fa2_ctime.nfsv2_usec));
- }
+ ND_TCHECK(fap->fa2_ctime);
+ ND_PRINT((ndo, " nlink %d rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
+ EXTRACT_BE_U_4(&fap->fa_nlink),
+ EXTRACT_BE_U_4(&fap->fa2_rdev),
+ EXTRACT_BE_U_4(&fap->fa2_fsid),
+ EXTRACT_BE_U_4(&fap->fa2_fileid)));
+ ND_PRINT((ndo, " %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa2_atime.nfsv2_sec),
+ EXTRACT_BE_U_4(&fap->fa2_atime.nfsv2_usec)));
+ ND_PRINT((ndo, " %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa2_mtime.nfsv2_sec),
+ EXTRACT_BE_U_4(&fap->fa2_mtime.nfsv2_usec)));
+ ND_PRINT((ndo, " %u.%06u",
+ EXTRACT_BE_U_4(&fap->fa2_ctime.nfsv2_sec),
+ EXTRACT_BE_U_4(&fap->fa2_ctime.nfsv2_usec)));
+ }
}
- return ((const u_int32_t *)((unsigned char *)dp +
+ return ((const uint32_t *)((const unsigned char *)dp +
(v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
+trunc:
+ return (NULL);
}
static int
-parseattrstat(const u_int32_t *dp, int verbose, int v3)
+parseattrstat(netdissect_options *ndo,
+ const uint32_t *dp, int verbose, int v3)
{
int er;
- dp = parsestatus(dp, &er);
- if (dp == NULL || er)
+ dp = parsestatus(ndo, dp, &er);
+ if (dp == NULL)
return (0);
+ if (er)
+ return (1);
- return (parsefattr(dp, verbose, v3) != NULL);
+ return (parsefattr(ndo, dp, verbose, v3) != NULL);
}
static int
-parsediropres(const u_int32_t *dp)
+parsediropres(netdissect_options *ndo,
+ const uint32_t *dp)
{
int er;
- if (!(dp = parsestatus(dp, &er)) || er)
+ if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
+ if (er)
+ return (1);
- dp = parsefh(dp, 0);
+ dp = parsefh(ndo, dp, 0);
if (dp == NULL)
return (0);
- return (parsefattr(dp, vflag, 0) != NULL);
+ return (parsefattr(ndo, dp, ndo->ndo_vflag, 0) != NULL);
}
static int
-parselinkres(const u_int32_t *dp, int v3)
+parselinkres(netdissect_options *ndo,
+ const uint32_t *dp, int v3)
{
int er;
- dp = parsestatus(dp, &er);
- if (dp == NULL || er)
+ dp = parsestatus(ndo, dp, &er);
+ if (dp == NULL)
return(0);
- if (v3 && !(dp = parse_post_op_attr(dp, vflag)))
+ if (er)
+ return(1);
+ if (v3 && !(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
return (0);
- putchar(' ');
- return (parsefn(dp) != NULL);
+ ND_PRINT((ndo, " "));
+ return (parsefn(ndo, dp) != NULL);
}
static int
-parsestatfs(const u_int32_t *dp, int v3)
+parsestatfs(netdissect_options *ndo,
+ const uint32_t *dp, int v3)
{
const struct nfs_statfs *sfsp;
int er;
- dp = parsestatus(dp, &er);
- if (dp == NULL || (!v3 && er))
+ dp = parsestatus(ndo, dp, &er);
+ if (dp == NULL)
return (0);
+ if (!v3 && er)
+ return (1);
- if (qflag)
+ if (ndo->ndo_qflag)
return(1);
if (v3) {
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " POST:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
return (0);
}
- T2CHECK(dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
+ ND_TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
sfsp = (const struct nfs_statfs *)dp;
if (v3) {
- printf(" tbytes ");
- print_int64((u_int32_t *)&sfsp->sf_tbytes, UNSIGNED);
- printf(" fbytes ");
- print_int64((u_int32_t *)&sfsp->sf_fbytes, UNSIGNED);
- printf(" abytes ");
- print_int64((u_int32_t *)&sfsp->sf_abytes, UNSIGNED);
- if (vflag) {
- printf(" tfiles ");
- print_int64((u_int32_t *)&sfsp->sf_tfiles, UNSIGNED);
- printf(" ffiles ");
- print_int64((u_int32_t *)&sfsp->sf_ffiles, UNSIGNED);
- printf(" afiles ");
- print_int64((u_int32_t *)&sfsp->sf_afiles, UNSIGNED);
- printf(" invar %u",
- (u_int32_t) ntohl(sfsp->sf_invarsec));
+ ND_PRINT((ndo, " tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_tbytes),
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_fbytes),
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_abytes)));
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, " tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_tfiles),
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_ffiles),
+ EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_afiles),
+ EXTRACT_BE_U_4(&sfsp->sf_invarsec)));
}
} else {
- printf(" tsize %d bsize %d blocks %d bfree %d bavail %d",
- (u_int32_t)ntohl(sfsp->sf_tsize),
- (u_int32_t)ntohl(sfsp->sf_bsize),
- (u_int32_t)ntohl(sfsp->sf_blocks),
- (u_int32_t)ntohl(sfsp->sf_bfree),
- (u_int32_t)ntohl(sfsp->sf_bavail));
+ ND_PRINT((ndo, " tsize %d bsize %d blocks %d bfree %d bavail %d",
+ EXTRACT_BE_U_4(&sfsp->sf_tsize),
+ EXTRACT_BE_U_4(&sfsp->sf_bsize),
+ EXTRACT_BE_U_4(&sfsp->sf_blocks),
+ EXTRACT_BE_U_4(&sfsp->sf_bfree),
+ EXTRACT_BE_U_4(&sfsp->sf_bavail)));
}
return (1);
+trunc:
+ return (0);
}
static int
-parserddires(const u_int32_t *dp)
+parserddires(netdissect_options *ndo,
+ const uint32_t *dp)
{
int er;
- dp = parsestatus(dp, &er);
- if (dp == 0 || er)
+ dp = parsestatus(ndo, dp, &er);
+ if (dp == NULL)
return (0);
- if (qflag)
+ if (er)
+ return (1);
+ if (ndo->ndo_qflag)
return (1);
- T2CHECK(dp, 12);
- printf(" offset %x size %d ", ntohl(dp[0]), ntohl(dp[1]));
- if (dp[2] != 0)
- printf(" eof");
+ ND_TCHECK(dp[2]);
+ ND_PRINT((ndo, " offset 0x%x size %d ",
+ EXTRACT_BE_U_4(dp), EXTRACT_BE_U_4(dp + 1)));
+ if (dp[2] != 0)
+ ND_PRINT((ndo, " eof"));
return (1);
+trunc:
+ return (0);
}
-static const u_int32_t *
-parse_wcc_attr(const u_int32_t *dp)
+static const uint32_t *
+parse_wcc_attr(netdissect_options *ndo,
+ const uint32_t *dp)
{
- printf(" sz ");
- print_int64(dp, UNSIGNED);
- printf(" mtime %u.%06u ctime %u.%06u", ntohl(dp[2]), ntohl(dp[3]),
- ntohl(dp[4]), ntohl(dp[5]));
+ /* Our caller has already checked this */
+ ND_PRINT((ndo, " sz %" PRIu64, EXTRACT_BE_U_8(dp)));
+ ND_PRINT((ndo, " mtime %u.%06u ctime %u.%06u",
+ EXTRACT_BE_U_4(dp + 2), EXTRACT_BE_U_4(dp + 3),
+ EXTRACT_BE_U_4(dp + 4), EXTRACT_BE_U_4(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)
+static const uint32_t *
+parse_pre_op_attr(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
- T2CHECK(dp, 4);
- if (!ntohl(dp[0]))
+ ND_TCHECK(dp[0]);
+ if (!EXTRACT_BE_U_4(dp))
return (dp + 1);
dp++;
- T2CHECK(dp, 24);
+ ND_TCHECK2(*dp, 24);
if (verbose > 1) {
- return parse_wcc_attr(dp);
+ return parse_wcc_attr(ndo, 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)
+static const uint32_t *
+parse_post_op_attr(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
- T2CHECK(dp, 4);
- if (!ntohl(dp[0]))
+ ND_TCHECK(dp[0]);
+ if (!EXTRACT_BE_U_4(dp))
return (dp + 1);
dp++;
if (verbose) {
- return parsefattr(dp, verbose, 1);
+ return parsefattr(ndo, dp, verbose, 1);
} else
- return (dp + (NFSX_V3FATTR / sizeof (u_int32_t)));
+ return (dp + (NFSX_V3FATTR / sizeof (uint32_t)));
+trunc:
+ return (NULL);
}
-static const u_int32_t *
-parse_wcc_data(const u_int32_t *dp, int verbose)
+static const uint32_t *
+parse_wcc_data(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
if (verbose > 1)
- printf(" PRE:");
- if (!(dp = parse_pre_op_attr(dp, verbose)))
+ ND_PRINT((ndo, " PRE:"));
+ if (!(dp = parse_pre_op_attr(ndo, dp, verbose)))
return (0);
if (verbose)
- printf(" POST:");
- return parse_post_op_attr(dp, verbose);
+ ND_PRINT((ndo, " POST:"));
+ return parse_post_op_attr(ndo, dp, verbose);
}
-static const u_int32_t *
-parsecreateopres(const u_int32_t *dp, int verbose)
+static const uint32_t *
+parsecreateopres(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
int er;
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
if (er)
- dp = parse_wcc_data(dp, verbose);
+ dp = parse_wcc_data(ndo, dp, verbose);
else {
- T2CHECK(dp, 4);
- if (!ntohl(dp[0]))
+ ND_TCHECK(dp[0]);
+ if (!EXTRACT_BE_U_4(dp))
return (dp + 1);
dp++;
- if (!(dp = parsefh(dp, 1)))
+ if (!(dp = parsefh(ndo, dp, 1)))
return (0);
if (verbose) {
- if (!(dp = parse_post_op_attr(dp, verbose)))
+ if (!(dp = parse_post_op_attr(ndo, dp, verbose)))
return (0);
- if (vflag > 1) {
- printf("dir attr:");
- dp = parse_wcc_data(dp, verbose);
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT((ndo, " dir attr:"));
+ dp = parse_wcc_data(ndo, dp, verbose);
}
}
}
return (dp);
+trunc:
+ return (NULL);
}
static int
-parsewccres(const u_int32_t *dp, int verbose)
+parsewccres(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
int er;
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
- return parse_wcc_data(dp, verbose) != 0;
+ return parse_wcc_data(ndo, dp, verbose) != NULL;
}
-static const u_int32_t *
-parsev3rddirres(const u_int32_t *dp, int verbose)
+static const uint32_t *
+parsev3rddirres(netdissect_options *ndo,
+ const uint32_t *dp, int verbose)
{
int er;
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, verbose)))
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " POST:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, verbose)))
return (0);
if (er)
return dp;
- if (vflag) {
- T2CHECK(dp, 8);
- printf(" verf %08x%08x", dp[0], dp[1]);
+ if (ndo->ndo_vflag) {
+ ND_TCHECK(dp[1]);
+ ND_PRINT((ndo, " verf %08x%08x", dp[0], dp[1]));
dp += 2;
}
return dp;
- }
+trunc:
+ return (NULL);
+}
static int
-parsefsinfo(const u_int32_t *dp)
+parsefsinfo(netdissect_options *ndo,
+ const uint32_t *dp)
{
- struct nfsv3_fsinfo *sfp;
+ const struct nfsv3_fsinfo *sfp;
int er;
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " POST:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
return (0);
if (er)
- return (1);
+ return (1);
- T2CHECK(dp, sizeof (struct nfsv3_fsinfo));
-
- sfp = (struct nfsv3_fsinfo *)dp;
- printf(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
- (u_int32_t) ntohl(sfp->fs_rtmax),
- (u_int32_t) ntohl(sfp->fs_rtpref),
- (u_int32_t) ntohl(sfp->fs_wtmax),
- (u_int32_t) ntohl(sfp->fs_wtpref),
- (u_int32_t) ntohl(sfp->fs_dtpref));
- if (vflag) {
- printf(" rtmult %u wtmult %u maxfsz ",
- (u_int32_t) ntohl(sfp->fs_rtmult),
- (u_int32_t) ntohl(sfp->fs_wtmult));
- print_int64((u_int32_t *)&sfp->fs_maxfilesize, UNSIGNED);
- printf(" delta %u.%06u ",
- (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_sec),
- (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_nsec));
+ sfp = (const struct nfsv3_fsinfo *)dp;
+ ND_TCHECK(*sfp);
+ ND_PRINT((ndo, " rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
+ EXTRACT_BE_U_4(&sfp->fs_rtmax),
+ EXTRACT_BE_U_4(&sfp->fs_rtpref),
+ EXTRACT_BE_U_4(&sfp->fs_wtmax),
+ EXTRACT_BE_U_4(&sfp->fs_wtpref),
+ EXTRACT_BE_U_4(&sfp->fs_dtpref)));
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, " rtmult %u wtmult %u maxfsz %" PRIu64,
+ EXTRACT_BE_U_4(&sfp->fs_rtmult),
+ EXTRACT_BE_U_4(&sfp->fs_wtmult),
+ EXTRACT_BE_U_8((const uint32_t *)&sfp->fs_maxfilesize)));
+ ND_PRINT((ndo, " delta %u.%06u ",
+ EXTRACT_BE_U_4(&sfp->fs_timedelta.nfsv3_sec),
+ EXTRACT_BE_U_4(&sfp->fs_timedelta.nfsv3_nsec)));
}
return (1);
+trunc:
+ return (0);
}
static int
-parsepathconf(const u_int32_t *dp)
+parsepathconf(netdissect_options *ndo,
+ const uint32_t *dp)
{
int er;
- struct nfsv3_pathconf *spp;
+ const struct nfsv3_pathconf *spp;
- if (!(dp = parsestatus(dp, &er)))
- return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
+ return (0);
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " POST:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
return (0);
if (er)
return (1);
- T2CHECK(dp, sizeof (struct nfsv3_pathconf));
-
- spp = (struct nfsv3_pathconf *)dp;
+ spp = (const struct nfsv3_pathconf *)dp;
+ ND_TCHECK(*spp);
- printf(" linkmax %u namemax %u %s %s %s %s",
- (u_int32_t) ntohl(spp->pc_linkmax),
- (u_int32_t) ntohl(spp->pc_namemax),
- ntohl(spp->pc_notrunc) ? "notrunc" : "",
- ntohl(spp->pc_chownrestricted) ? "chownres" : "",
- ntohl(spp->pc_caseinsensitive) ? "igncase" : "",
- ntohl(spp->pc_casepreserving) ? "keepcase" : "");
+ ND_PRINT((ndo, " linkmax %u namemax %u %s %s %s %s",
+ EXTRACT_BE_U_4(&spp->pc_linkmax),
+ EXTRACT_BE_U_4(&spp->pc_namemax),
+ EXTRACT_BE_U_4(&spp->pc_notrunc) ? "notrunc" : "",
+ EXTRACT_BE_U_4(&spp->pc_chownrestricted) ? "chownres" : "",
+ EXTRACT_BE_U_4(&spp->pc_caseinsensitive) ? "igncase" : "",
+ EXTRACT_BE_U_4(&spp->pc_casepreserving) ? "keepcase" : ""));
+ return (1);
+trunc:
return (0);
}
static void
-interp_reply(const struct rpc_msg *rp, u_int32_t proc, u_int32_t vers, int length)
+interp_reply(netdissect_options *ndo,
+ const struct sunrpc_msg *rp, uint32_t proc, uint32_t vers, int length)
{
- register const u_int32_t *dp;
+ register const uint32_t *dp;
register int v3;
int er;
if (!v3 && proc < NFS_NPROCS)
proc = nfsv3_procid[proc];
+ ND_PRINT((ndo, " %s", tok2str(nfsproc_str, "proc-%u", 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)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parseattrstat(ndo, dp, !ndo->ndo_qflag, v3) != 0)
return;
break;
case NFSPROC_SETATTR:
- printf(" setattr");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
return;
if (v3) {
- if (parsewccres(dp, vflag))
+ if (parsewccres(ndo, dp, ndo->ndo_vflag))
return;
} else {
- if (parseattrstat(dp, !qflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0) != 0)
+ return;
}
break;
case NFSPROC_LOOKUP:
- printf(" lookup");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (er) {
- if (vflag > 1) {
- printf(" post dattr:");
- dp = parse_post_op_attr(dp, vflag);
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT((ndo, " post dattr:"));
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
}
} else {
- if (!(dp = parsefh(dp, v3)))
+ if (!(dp = parsefh(ndo, 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 = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)) &&
+ ndo->ndo_vflag > 1) {
+ ND_PRINT((ndo, " post dattr:"));
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
}
}
if (dp)
return;
} else {
- if (parsediropres(dp) != 0)
- return;
+ if (parsediropres(ndo, dp) != 0)
+ return;
}
break;
case NFSPROC_ACCESS:
- printf(" access");
- dp = parserep(rp, length);
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parserep(ndo, rp, length)))
+ break;
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
- if (vflag)
- printf(" attr:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (ndo->ndo_vflag)
+ ND_PRINT((ndo, " attr:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
- if (!er)
- printf(" c %04x", ntohl(dp[0]));
+ if (!er) {
+ ND_TCHECK(dp[0]);
+ ND_PRINT((ndo, " c %04x", EXTRACT_BE_U_4(dp)));
+ }
return;
case NFSPROC_READLINK:
- printf(" readlink");
- dp = parserep(rp, length);
- if (dp != NULL && parselinkres(dp, v3) != 0)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parselinkres(ndo, dp, v3) != 0)
return;
break;
case NFSPROC_READ:
- printf(" read");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
if (er)
return;
- if (vflag) {
- TCHECK2(dp[0], 8);
- printf("%u bytes", (u_int32_t) ntohl(dp[0]));
- if (ntohl(dp[1]))
- printf(" EOF");
+ if (ndo->ndo_vflag) {
+ ND_TCHECK(dp[1]);
+ ND_PRINT((ndo, " %u bytes", EXTRACT_BE_U_4(dp)));
+ if (EXTRACT_BE_U_4(dp + 1))
+ ND_PRINT((ndo, " EOF"));
}
return;
} else {
- if (parseattrstat(dp, vflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0) != 0)
+ return;
}
break;
case NFSPROC_WRITE:
- printf(" write");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
- if (!(dp = parse_wcc_data(dp, vflag)))
+ if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
if (er)
- return;
- if (vflag) {
- TCHECK2(dp[0], 4);
- printf("%u bytes", (u_int32_t) ntohl(dp[0]));
- if (vflag > 1) {
- TCHECK2(dp[0], 4);
- printf(" <%s>",
- nfsv3_writemodes[ntohl(dp[1])]);
+ return;
+ if (ndo->ndo_vflag) {
+ ND_TCHECK(dp[0]);
+ ND_PRINT((ndo, " %u bytes", EXTRACT_BE_U_4(dp)));
+ if (ndo->ndo_vflag > 1) {
+ ND_TCHECK(dp[1]);
+ ND_PRINT((ndo, " <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, EXTRACT_BE_U_4(dp + 1))));
}
return;
}
} else {
- if (parseattrstat(dp, vflag, v3) != 0)
+ if (parseattrstat(ndo, dp, ndo->ndo_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)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsecreateopres(dp, vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
- if (parsediropres(dp) != 0)
+ if (parsediropres(ndo, dp) != 0)
return;
}
break;
case NFSPROC_SYMLINK:
- printf(" symlink");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsecreateopres(dp, vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
- if (parsestatus(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er) != NULL)
+ return;
}
break;
case NFSPROC_MKNOD:
- printf(" mknod");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
- if (parsecreateopres(dp, vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
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)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsewccres(dp, vflag))
+ if (parsewccres(ndo, dp, ndo->ndo_vflag))
return;
} else {
- if (parsestatus(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er) != NULL)
+ return;
}
break;
case NFSPROC_RENAME:
- printf(" rename");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
- if (vflag) {
- printf(" from:");
- if (!(dp = parse_wcc_data(dp, vflag)))
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, " from:"));
+ if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
- printf(" to:");
- if (!(dp = parse_wcc_data(dp, vflag)))
+ ND_PRINT((ndo, " to:"));
+ if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
}
return;
} else {
- if (parsestatus(dp, &er) != 0)
+ if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
case NFSPROC_LINK:
- printf(" link");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
+ if (!(dp = parsestatus(ndo, dp, &er)))
break;
- if (vflag) {
- printf(" file POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (ndo->ndo_vflag) {
+ ND_PRINT((ndo, " file POST:"));
+ if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
- printf(" dir:");
- if (!(dp = parse_wcc_data(dp, vflag)))
+ ND_PRINT((ndo, " dir:"));
+ if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
return;
}
} else {
- if (parsestatus(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er) != NULL)
+ return;
}
break;
case NFSPROC_READDIR:
- printf(" readdir");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsev3rddirres(dp, vflag))
+ if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
return;
} else {
- if (parserddires(dp) != 0)
- return;
+ if (parserddires(ndo, dp) != 0)
+ return;
}
break;
case NFSPROC_READDIRPLUS:
- printf(" readdirplus");
- if (!(dp = parserep(rp, length)))
+ if (!(dp = parserep(ndo, rp, length)))
break;
- if (parsev3rddirres(dp, vflag))
+ if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
return;
break;
case NFSPROC_FSSTAT:
- printf(" fsstat");
- dp = parserep(rp, length);
- if (dp != NULL && parsestatfs(dp, v3) != 0)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parsestatfs(ndo, dp, v3) != 0)
return;
break;
case NFSPROC_FSINFO:
- printf(" fsinfo");
- dp = parserep(rp, length);
- if (dp != NULL && parsefsinfo(dp) != 0)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parsefsinfo(ndo, dp) != 0)
return;
break;
case NFSPROC_PATHCONF:
- printf(" pathconf");
- dp = parserep(rp, length);
- if (dp != NULL && parsepathconf(dp) != 0)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parsepathconf(ndo, dp) != 0)
return;
break;
case NFSPROC_COMMIT:
- printf(" commit");
- dp = parserep(rp, length);
- if (dp != NULL && parsewccres(dp, vflag) != 0)
+ dp = parserep(ndo, rp, length);
+ if (dp != NULL && parsewccres(ndo, dp, ndo->ndo_vflag) != 0)
return;
break;
default:
- printf(" proc-%u", proc);
return;
}
+trunc:
if (!nfserr)
- fputs(" [|nfs]", stdout);
-trunc:;
+ ND_PRINT((ndo, "%s", tstr));
}
projects / tcpdump / blobdiff