* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+/* \summary: Network File System (NFS) printer */
-#include <tcpdump-stdinc.h>
+#include <config.h>
+
+#include "netdissect-stdinc.h"
#include <stdio.h>
#include <string.h>
+#include <limits.h>
-#include "interface.h"
+#include "netdissect.h"
#include "addrtoname.h"
#include "extract.h"
#include "nfsfh.h"
#include "ip.h"
-#ifdef INET6
#include "ip6.h"
-#endif
#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 int xid_map_find(netdissect_options *, 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.
*/
-uint32_t nfsv3_procid[NFS_NPROCS] = {
+static uint32_t nfsv3_procid[NFS_NPROCS] = {
NFSPROC_NULL,
NFSPROC_GETATTR,
NFSPROC_SETATTR,
};
static void
-print_nfsaddr(netdissect_options *ndo,
+nfsaddr_print(netdissect_options *ndo,
const u_char *bp, const char *s, const char *d)
{
- struct ip *ip;
-#ifdef INET6
- struct ip6_hdr *ip6;
+ const struct ip *ip;
+ const 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)) {
+ switch (IP_V((const struct ip *)bp)) {
case 4:
- ip = (struct ip *)bp;
- strlcpy(srcaddr, ipaddr_string(ndo, &ip->ip_src), sizeof(srcaddr));
- strlcpy(dstaddr, ipaddr_string(ndo, &ip->ip_dst), sizeof(dstaddr));
+ ip = (const struct ip *)bp;
+ strlcpy(srcaddr, GET_IPADDR_STRING(ip->ip_src), sizeof(srcaddr));
+ strlcpy(dstaddr, GET_IPADDR_STRING(ip->ip_dst), sizeof(dstaddr));
break;
-#ifdef INET6
case 6:
- ip6 = (struct ip6_hdr *)bp;
- strlcpy(srcaddr, ip6addr_string(ndo, &ip6->ip6_src),
+ ip6 = (const struct ip6_hdr *)bp;
+ strlcpy(srcaddr, GET_IP6ADDR_STRING(ip6->ip6_src),
sizeof(srcaddr));
- strlcpy(dstaddr, ip6addr_string(ndo, &ip6->ip6_dst),
+ strlcpy(dstaddr, GET_IP6ADDR_STRING(ip6->ip6_dst),
sizeof(dstaddr));
break;
-#endif
default:
strlcpy(srcaddr, "?", sizeof(srcaddr));
strlcpy(dstaddr, "?", sizeof(dstaddr));
break;
}
- ND_PRINT((ndo, "%s.%s > %s.%s: ", srcaddr, s, dstaddr, d));
+ ND_PRINT("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
}
+/*
+ * NFS Version 3 sattr3 structure for the new node creation case.
+ * This does not have a fixed layout on the network, so this
+ * structure does not correspond to the layout of the data on
+ * the network; it's used to store the data when the sattr3
+ * is parsed for use when it's later printed.
+ */
+struct nfsv3_sattr {
+ uint32_t sa_modeset;
+ uint32_t sa_mode;
+ uint32_t sa_uidset;
+ uint32_t sa_uid;
+ uint32_t sa_gidset;
+ uint32_t sa_gid;
+ uint32_t sa_sizeset;
+ uint32_t sa_size;
+ uint32_t sa_atimetype;
+ struct {
+ uint32_t nfsv3_sec;
+ uint32_t nfsv3_nsec;
+ } sa_atime;
+ uint32_t sa_mtimetype;
+ struct {
+ uint32_t nfsv3_sec;
+ uint32_t nfsv3_nsec;
+ } sa_mtime;
+};
+
static const uint32_t *
parse_sattr3(netdissect_options *ndo,
const uint32_t *dp, struct nfsv3_sattr *sa3)
{
- ND_TCHECK(dp[0]);
- sa3->sa_modeset = EXTRACT_32BITS(dp);
+ sa3->sa_modeset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_modeset) {
- ND_TCHECK(dp[0]);
- sa3->sa_mode = EXTRACT_32BITS(dp);
+ sa3->sa_mode = GET_BE_U_4(dp);
dp++;
}
- ND_TCHECK(dp[0]);
- sa3->sa_uidset = EXTRACT_32BITS(dp);
+ sa3->sa_uidset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_uidset) {
- ND_TCHECK(dp[0]);
- sa3->sa_uid = EXTRACT_32BITS(dp);
+ sa3->sa_uid = GET_BE_U_4(dp);
dp++;
}
- ND_TCHECK(dp[0]);
- sa3->sa_gidset = EXTRACT_32BITS(dp);
+ sa3->sa_gidset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_gidset) {
- ND_TCHECK(dp[0]);
- sa3->sa_gid = EXTRACT_32BITS(dp);
+ sa3->sa_gid = GET_BE_U_4(dp);
dp++;
}
- ND_TCHECK(dp[0]);
- sa3->sa_sizeset = EXTRACT_32BITS(dp);
+ sa3->sa_sizeset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_sizeset) {
- ND_TCHECK(dp[0]);
- sa3->sa_size = EXTRACT_32BITS(dp);
+ sa3->sa_size = GET_BE_U_4(dp);
dp++;
}
- ND_TCHECK(dp[0]);
- sa3->sa_atimetype = EXTRACT_32BITS(dp);
+ sa3->sa_atimetype = GET_BE_U_4(dp);
dp++;
if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT) {
- ND_TCHECK(dp[1]);
- sa3->sa_atime.nfsv3_sec = EXTRACT_32BITS(dp);
+ sa3->sa_atime.nfsv3_sec = GET_BE_U_4(dp);
dp++;
- sa3->sa_atime.nfsv3_nsec = EXTRACT_32BITS(dp);
+ sa3->sa_atime.nfsv3_nsec = GET_BE_U_4(dp);
dp++;
}
- ND_TCHECK(dp[0]);
- sa3->sa_mtimetype = EXTRACT_32BITS(dp);
+ sa3->sa_mtimetype = GET_BE_U_4(dp);
dp++;
if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT) {
- ND_TCHECK(dp[1]);
- sa3->sa_mtime.nfsv3_sec = EXTRACT_32BITS(dp);
+ sa3->sa_mtime.nfsv3_sec = GET_BE_U_4(dp);
dp++;
- sa3->sa_mtime.nfsv3_nsec = EXTRACT_32BITS(dp);
+ sa3->sa_mtime.nfsv3_nsec = GET_BE_U_4(dp);
dp++;
}
return dp;
-trunc:
- return NULL;
}
-static int nfserr; /* true if we error rather than trunc */
-
static void
print_sattr3(netdissect_options *ndo,
const struct nfsv3_sattr *sa3, int verbose)
{
if (sa3->sa_modeset)
- ND_PRINT((ndo, " mode %o", sa3->sa_mode));
+ ND_PRINT(" mode %o", sa3->sa_mode);
if (sa3->sa_uidset)
- ND_PRINT((ndo, " uid %u", sa3->sa_uid));
+ ND_PRINT(" uid %u", sa3->sa_uid);
if (sa3->sa_gidset)
- ND_PRINT((ndo, " gid %u", sa3->sa_gid));
+ ND_PRINT(" gid %u", sa3->sa_gid);
if (verbose > 1) {
if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT)
- ND_PRINT((ndo, " atime %u.%06u", sa3->sa_atime.nfsv3_sec,
- sa3->sa_atime.nfsv3_nsec));
+ ND_PRINT(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
+ sa3->sa_atime.nfsv3_nsec);
if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT)
- ND_PRINT((ndo, " mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
- sa3->sa_mtime.nfsv3_nsec));
+ ND_PRINT(" mtime %u.%06u", sa3->sa_mtime.nfsv3_sec,
+ sa3->sa_mtime.nfsv3_nsec);
}
}
void
nfsreply_print(netdissect_options *ndo,
- register const u_char *bp, u_int length,
- register const u_char *bp2)
+ const u_char *bp, u_int length,
+ const u_char *bp2)
{
- register const struct sunrpc_msg *rp;
+ const struct sunrpc_msg *rp;
char srcid[20], dstid[20]; /*fits 32bit*/
- nfserr = 0; /* assume no error */
+ ndo->ndo_protocol = "nfs";
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_32BITS(&rp->rm_xid));
+ GET_BE_U_4(rp->rm_xid));
} else {
snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
snprintf(dstid, sizeof(dstid), "%u",
- EXTRACT_32BITS(&rp->rm_xid));
+ GET_BE_U_4(rp->rm_xid));
}
- print_nfsaddr(ndo, bp2, srcid, dstid);
-
- nfsreply_print_noaddr(ndo, bp, length, bp2);
- return;
+ nfsaddr_print(ndo, bp2, srcid, dstid);
-trunc:
- if (!nfserr)
- ND_PRINT((ndo, "%s", tstr));
+ nfsreply_noaddr_print(ndo, bp, length, bp2);
}
void
-nfsreply_print_noaddr(netdissect_options *ndo,
- register const u_char *bp, u_int length,
- register const u_char *bp2)
+nfsreply_noaddr_print(netdissect_options *ndo,
+ const u_char *bp, u_int length,
+ const u_char *bp2)
{
- register const struct sunrpc_msg *rp;
+ 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 */
+ ndo->ndo_protocol = "nfs";
rp = (const struct sunrpc_msg *)bp;
- ND_TCHECK(rp->rm_reply.rp_stat);
- reply_stat = EXTRACT_32BITS(&rp->rm_reply.rp_stat);
+ ND_TCHECK_4(rp->rm_reply.rp_stat);
+ reply_stat = GET_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)
+ ND_PRINT("reply ok %u", length);
+ if (xid_map_find(ndo, 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_32BITS(&rp->rm_reply.rp_reject.rj_stat);
+ ND_PRINT("reply ERR %u: ", length);
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_stat);
+ rstat = GET_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_32BITS(&rp->rm_reply.rp_reject.rj_vers.low);
- rhigh = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_vers.high);
- ND_PRINT((ndo, "RPC Version mismatch (%u-%u)", rlow, rhigh));
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_vers.high);
+ rlow = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.low);
+ rhigh = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.high);
+ ND_PRINT("RPC Version mismatch (%u-%u)", rlow, rhigh);
break;
case SUNRPC_AUTH_ERROR:
- ND_TCHECK(rp->rm_reply.rp_reject.rj_why);
- rwhy = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_why);
- ND_PRINT((ndo, "Auth %s", tok2str(sunrpc_auth_str, "Invalid failure code %u", rwhy)));
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_why);
+ rwhy = GET_BE_U_4(&rp->rm_reply.rp_reject.rj_why);
+ ND_PRINT("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));
+ ND_PRINT("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));
+ ND_PRINT("reply Unknown rpc response code=%u %u", reply_stat, length);
break;
}
return;
trunc:
- if (!nfserr)
- ND_PRINT((ndo, "%s", tstr));
+ nd_print_trunc(ndo);
}
/*
*/
static const uint32_t *
parsereq(netdissect_options *ndo,
- register const struct sunrpc_msg *rp, register u_int length)
+ const struct sunrpc_msg *rp, u_int length)
{
- register const uint32_t *dp;
- register u_int len;
+ const uint32_t *dp;
+ u_int len, rounded_len;
/*
- * find the start of the req data (if we captured it)
+ * Find the start of the req data (if we captured it).
+ * First, get the length of the credentials, and make sure
+ * we have all of the opaque part of the credentials.
*/
- dp = (uint32_t *)&rp->rm_call.cb_cred;
- ND_TCHECK(dp[1]);
- len = EXTRACT_32BITS(&dp[1]);
- if (len < length) {
+ dp = (const uint32_t *)&rp->rm_call.cb_cred;
+ if (length < 2 * sizeof(*dp))
+ goto trunc;
+ len = GET_BE_U_4(dp + 1);
+ if (len > length) {
+ ND_PRINT(" [credentials length %u > %u]", len, length);
+ nd_print_invalid(ndo);
+ return NULL;
+ }
+ rounded_len = roundup2(len, 4);
+ ND_TCHECK_LEN(dp + 2, rounded_len);
+ if (2 * sizeof(*dp) + rounded_len <= length) {
+ /*
+ * We have all of the credentials. Skip past them; they
+ * consist of 4 bytes of flavor, 4 bytes of length,
+ * and len-rounded-up-to-a-multiple-of-4 bytes of
+ * data.
+ */
dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
- ND_TCHECK(dp[1]);
- len = EXTRACT_32BITS(&dp[1]);
- if (len < length) {
+ length -= 2 * sizeof(*dp) + rounded_len;
+
+ /*
+ * Now get the length of the verifier, and make sure
+ * we have all of the opaque part of the verifier.
+ */
+ if (length < 2 * sizeof(*dp))
+ goto trunc;
+ len = GET_BE_U_4(dp + 1);
+ if (len > length) {
+ ND_PRINT(" [verifier length %u > %u]", len, length);
+ nd_print_invalid(ndo);
+ return NULL;
+ }
+ rounded_len = roundup2(len, 4);
+ ND_TCHECK_LEN(dp + 2, rounded_len);
+ if (2 * sizeof(*dp) + rounded_len < length) {
+ /*
+ * We have all of the verifier. Skip past it;
+ * it consists of 4 bytes of flavor, 4 bytes of
+ * length, and len-rounded-up-to-a-multiple-of-4
+ * bytes of data.
+ */
dp += (len + (2 * sizeof(*dp) + 3)) / sizeof(*dp);
- ND_TCHECK2(dp[0], 0);
return (dp);
}
}
*/
static const uint32_t *
parsefh(netdissect_options *ndo,
- register const uint32_t *dp, int v3)
+ const uint32_t *dp, int v3)
{
u_int len;
if (v3) {
- ND_TCHECK(dp[0]);
- len = EXTRACT_32BITS(dp) / 4;
+ len = GET_BE_U_4(dp) / 4;
dp++;
} else
len = NFSX_V2FH / 4;
- if (ND_TTEST2(*dp, len * sizeof(*dp))) {
+ if (ND_TTEST_LEN(dp, len * sizeof(*dp))) {
nfs_printfh(ndo, dp, len);
return (dp + len);
- }
-trunc:
- return (NULL);
+ } else
+ return NULL;
}
/*
*/
static const uint32_t *
parsefn(netdissect_options *ndo,
- register const uint32_t *dp)
+ const uint32_t *dp)
{
- register uint32_t len;
- register const u_char *cp;
+ uint32_t len, rounded_len;
+ const u_char *cp;
- /* Bail if we don't have the string length */
- ND_TCHECK(*dp);
+ /* Fetch big-endian string length */
+ len = GET_BE_U_4(dp);
+ dp++;
- /* Fetch string length; convert to host order */
- len = *dp++;
- NTOHL(len);
+ if (UINT_MAX - len < 3) {
+ ND_PRINT("[cannot pad to 32-bit boundaries]");
+ nd_print_invalid(ndo);
+ return NULL;
+ }
- ND_TCHECK2(*dp, ((len + 3) & ~3));
+ rounded_len = roundup2(len, 4);
+ ND_TCHECK_LEN(dp, rounded_len);
- cp = (u_char *)dp;
+ cp = (const u_char *)dp;
/* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
- dp += ((len + 3) & ~3) / sizeof(*dp);
- ND_PRINT((ndo, "\""));
- if (fn_printn(ndo, cp, len, ndo->ndo_snapend)) {
- ND_PRINT((ndo, "\""));
+ dp += rounded_len / sizeof(*dp);
+ ND_PRINT("\"");
+ if (nd_printn(ndo, cp, len, ndo->ndo_snapend)) {
+ ND_PRINT("\"");
goto trunc;
}
- ND_PRINT((ndo, "\""));
+ ND_PRINT("\"");
return (dp);
trunc:
*/
static const uint32_t *
parsefhn(netdissect_options *ndo,
- register const uint32_t *dp, int v3)
+ const uint32_t *dp, int v3)
{
dp = parsefh(ndo, dp, v3);
if (dp == NULL)
return (NULL);
- ND_PRINT((ndo, " "));
+ ND_PRINT(" ");
return (parsefn(ndo, dp));
}
void
-nfsreq_print_noaddr(netdissect_options *ndo,
- register const u_char *bp, u_int length,
- register const u_char *bp2)
+nfsreq_noaddr_print(netdissect_options *ndo,
+ const u_char *bp, u_int length,
+ const u_char *bp2)
{
- register const struct sunrpc_msg *rp;
- register const uint32_t *dp;
+ const struct sunrpc_msg *rp;
+ const uint32_t *dp;
nfs_type type;
int v3;
uint32_t proc;
uint32_t access_flags;
struct nfsv3_sattr sa3;
- ND_PRINT((ndo, "%d", length));
- nfserr = 0; /* assume no error */
+ ndo->ndo_protocol = "nfs";
+ ND_PRINT("%u", length);
rp = (const struct sunrpc_msg *)bp;
if (!xid_map_enter(ndo, rp, bp2)) /* record proc number for later on */
goto trunc;
- v3 = (EXTRACT_32BITS(&rp->rm_call.cb_vers) == NFS_VER3);
- proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
+ v3 = (GET_BE_U_4(&rp->rm_call.cb_vers) == NFS_VER3);
+ proc = GET_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)));
+ ND_PRINT(" %s", tok2str(nfsproc_str, "proc-%u", proc));
switch (proc) {
case NFSPROC_GETATTR:
case NFSPROC_FSSTAT:
case NFSPROC_FSINFO:
case NFSPROC_PATHCONF:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- parsefh(ndo, dp, v3) != NULL)
- return;
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ if (parsefh(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_LOOKUP:
case NFSPROC_MKDIR:
case NFSPROC_REMOVE:
case NFSPROC_RMDIR:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- parsefhn(ndo, dp, v3) != NULL)
- return;
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ if (parsefhn(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_ACCESS:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- ND_TCHECK(dp[0]);
- access_flags = EXTRACT_32BITS(&dp[0]);
- 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));
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ access_flags = GET_BE_U_4(dp);
+ if (access_flags & ~NFSV3ACCESS_FULL) {
+ /* NFSV3ACCESS definitions aren't up to date */
+ ND_PRINT(" %04x", access_flags);
+ } else if ((access_flags & NFSV3ACCESS_FULL) == NFSV3ACCESS_FULL) {
+ ND_PRINT(" NFS_ACCESS_FULL");
+ } else {
+ char separator = ' ';
+ if (access_flags & NFSV3ACCESS_READ) {
+ ND_PRINT(" NFS_ACCESS_READ");
+ separator = '|';
}
- return;
+ if (access_flags & NFSV3ACCESS_LOOKUP) {
+ ND_PRINT("%cNFS_ACCESS_LOOKUP", separator);
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_MODIFY) {
+ ND_PRINT("%cNFS_ACCESS_MODIFY", separator);
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_EXTEND) {
+ ND_PRINT("%cNFS_ACCESS_EXTEND", separator);
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_DELETE) {
+ ND_PRINT("%cNFS_ACCESS_DELETE", separator);
+ separator = '|';
+ }
+ if (access_flags & NFSV3ACCESS_EXECUTE)
+ ND_PRINT("%cNFS_ACCESS_EXECUTE", separator);
}
break;
case NFSPROC_READ:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- if (v3) {
- ND_TCHECK(dp[2]);
- ND_PRINT((ndo, " %u bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0])));
- } else {
- ND_TCHECK(dp[1]);
- ND_PRINT((ndo, " %u bytes @ %u",
- EXTRACT_32BITS(&dp[1]),
- EXTRACT_32BITS(&dp[0])));
- }
- return;
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ if (v3) {
+ ND_PRINT(" %u bytes @ %" PRIu64,
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_8(dp));
+ } else {
+ ND_PRINT(" %u bytes @ %u",
+ GET_BE_U_4(dp + 1),
+ GET_BE_U_4(dp));
}
break;
case NFSPROC_WRITE:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- if (v3) {
- ND_TCHECK(dp[2]);
- ND_PRINT((ndo, " %u (%u) bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0])));
- if (ndo->ndo_vflag) {
- dp += 3;
- ND_TCHECK(dp[0]);
- ND_PRINT((ndo, " <%s>",
- tok2str(nfsv3_writemodes,
- NULL, EXTRACT_32BITS(dp))));
- }
- } else {
- ND_TCHECK(dp[3]);
- ND_PRINT((ndo, " %u (%u) bytes @ %u (%u)",
- EXTRACT_32BITS(&dp[3]),
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_32BITS(&dp[1]),
- EXTRACT_32BITS(&dp[0])));
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ if (v3) {
+ ND_PRINT(" %u (%u) bytes @ %" PRIu64,
+ GET_BE_U_4(dp + 4),
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_8(dp));
+ if (ndo->ndo_vflag) {
+ ND_PRINT(" <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, GET_BE_U_4(dp + 3)));
}
- return;
+ } else {
+ ND_PRINT(" %u (%u) bytes @ %u (%u)",
+ GET_BE_U_4(dp + 3),
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_4(dp + 1),
+ GET_BE_U_4(dp));
}
break;
case NFSPROC_SYMLINK:
- if ((dp = parsereq(ndo, rp, length)) != 0 &&
- (dp = parsefhn(ndo, dp, v3)) != 0) {
- ND_PRINT((ndo, " ->"));
- if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == 0)
- break;
- if (parsefn(ndo, dp) == 0)
- break;
- if (v3 && ndo->ndo_vflag)
- print_sattr3(ndo, &sa3, ndo->ndo_vflag);
- return;
- }
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefhn(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" ->");
+ if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
+ goto trunc;
+ if (parsefn(ndo, dp) == NULL)
+ goto trunc;
+ if (v3 && ndo->ndo_vflag)
+ print_sattr3(ndo, &sa3, ndo->ndo_vflag);
break;
case NFSPROC_MKNOD:
- if ((dp = parsereq(ndo, rp, length)) != 0 &&
- (dp = parsefhn(ndo, dp, v3)) != 0) {
- ND_TCHECK(*dp);
- type = (nfs_type)EXTRACT_32BITS(dp);
- dp++;
- if ((dp = parse_sattr3(ndo, dp, &sa3)) == 0)
- break;
- 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_32BITS(&dp[0]),
- EXTRACT_32BITS(&dp[1])));
- dp += 2;
- }
- if (ndo->ndo_vflag)
- print_sattr3(ndo, &sa3, ndo->ndo_vflag);
- return;
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefhn(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ type = (nfs_type) GET_BE_U_4(dp);
+ dp++;
+ dp = parse_sattr3(ndo, dp, &sa3);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" %s", tok2str(type2str, "unk-ft %u", type));
+ if (ndo->ndo_vflag && (type == NFCHR || type == NFBLK)) {
+ ND_PRINT(" %u/%u",
+ GET_BE_U_4(dp),
+ GET_BE_U_4(dp + 1));
+ dp += 2;
}
+ if (ndo->ndo_vflag)
+ print_sattr3(ndo, &sa3, ndo->ndo_vflag);
break;
case NFSPROC_RENAME:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefhn(ndo, dp, v3)) != NULL) {
- ND_PRINT((ndo, " ->"));
- if (parsefhn(ndo, dp, v3) != NULL)
- return;
- }
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefhn(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" ->");
+ if (parsefhn(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_LINK:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- ND_PRINT((ndo, " ->"));
- if (parsefhn(ndo, dp, v3) != NULL)
- return;
- }
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" ->");
+ if (parsefhn(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_READDIR:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- if (v3) {
- ND_TCHECK(dp[4]);
- /*
- * We shouldn't really try to interpret the
- * offset cookie here.
- */
- ND_PRINT((ndo, " %u bytes @ %" PRId64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_64BITS(&dp[0])));
- if (ndo->ndo_vflag)
- ND_PRINT((ndo, " verf %08x%08x", dp[2], dp[3]));
- } else {
- ND_TCHECK(dp[1]);
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ if (v3) {
+ /*
+ * We shouldn't really try to interpret the
+ * offset cookie here.
+ */
+ ND_PRINT(" %u bytes @ %" PRId64,
+ GET_BE_U_4(dp + 4),
+ GET_BE_U_8(dp));
+ if (ndo->ndo_vflag) {
/*
- * Print the offset as signed, since -1 is
- * common, but offsets > 2^31 aren't.
+ * This displays the 8 bytes
+ * of the verifier in order,
+ * from the low-order byte
+ * to the high-order byte.
*/
- ND_PRINT((ndo, " %u bytes @ %d",
- EXTRACT_32BITS(&dp[1]),
- EXTRACT_32BITS(&dp[0])));
+ ND_PRINT(" verf %08x%08x",
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_4(dp + 3));
}
- return;
+ } else {
+ /*
+ * Print the offset as signed, since -1 is
+ * common, but offsets > 2^31 aren't.
+ */
+ ND_PRINT(" %u bytes @ %u",
+ GET_BE_U_4(dp + 1),
+ GET_BE_U_4(dp));
}
break;
case NFSPROC_READDIRPLUS:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- ND_TCHECK(dp[4]);
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ /*
+ * We don't try to interpret the offset
+ * cookie here.
+ */
+ ND_PRINT(" %u bytes @ %" PRId64,
+ GET_BE_U_4(dp + 4),
+ GET_BE_U_8(dp));
+ if (ndo->ndo_vflag) {
/*
- * We don't try to interpret the offset
- * cookie here.
+ * This displays the 8 bytes
+ * of the verifier in order,
+ * from the low-order byte
+ * to the high-order byte.
*/
- ND_PRINT((ndo, " %u bytes @ %" PRId64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_64BITS(&dp[0])));
- if (ndo->ndo_vflag) {
- ND_TCHECK(dp[5]);
- ND_PRINT((ndo, " max %u verf %08x%08x",
- EXTRACT_32BITS(&dp[5]), dp[2], dp[3]));
- }
- return;
+ ND_PRINT(" max %u verf %08x%08x",
+ GET_BE_U_4(dp + 5),
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_4(dp + 3));
}
break;
case NFSPROC_COMMIT:
- if ((dp = parsereq(ndo, rp, length)) != NULL &&
- (dp = parsefh(ndo, dp, v3)) != NULL) {
- ND_TCHECK(dp[2]);
- ND_PRINT((ndo, " %u bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0])));
- return;
- }
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" %u bytes @ %" PRIu64,
+ GET_BE_U_4(dp + 2),
+ GET_BE_U_8(dp));
break;
default:
- return;
+ break;
}
+ return;
trunc:
- if (!nfserr)
- ND_PRINT((ndo, "%s", tstr));
+ nd_print_trunc(ndo);
}
/*
*/
static void
nfs_printfh(netdissect_options *ndo,
- register const uint32_t *dp, const u_int len)
+ const uint32_t *dp, const u_int len)
{
my_fsid fsid;
uint32_t ino;
u_int i;
char const *sep = "";
- ND_PRINT((ndo, " fh["));
+ ND_PRINT(" fh[");
for (i=0; i<len; i++) {
- ND_PRINT((ndo, "%s%x", sep, dp[i]));
+ /*
+ * This displays 4 bytes in big-endian byte
+ * order. That's as good a choice as little-
+ * endian, as there's no guarantee that the
+ * server is big-endian or little-endian or
+ * that the file handle contains 4-byte
+ * integral fields, and is better than "the
+ * byte order of the host running tcpdump", as
+ * the latter means that different hosts
+ * running tcpdump may show the same file
+ * handle in different ways.
+ */
+ ND_PRINT("%s%x", sep, GET_BE_U_4(dp + i));
sep = ":";
}
- ND_PRINT((ndo, "]"));
+ ND_PRINT("]");
return;
}
- Parse_fh((const u_char *)dp, len, &fsid, &ino, NULL, &sfsname, 0);
+ Parse_fh(ndo, (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);
- temp[sizeof(temp) - 1] = '\0';
+ stringlen = len;
+ if (stringlen > NFSX_V3FHMAX)
+ stringlen = NFSX_V3FHMAX;
+ strncpy(temp, sfsname, stringlen);
+ temp[stringlen] = '\0';
/* Remove trailing spaces */
spacep = strchr(temp, ' ');
if (spacep)
*spacep = '\0';
- ND_PRINT((ndo, " fh %s/", temp));
+ ND_PRINT(" fh ");
+ fn_print_str(ndo, (const u_char *)temp);
+ ND_PRINT("/");
} else {
- ND_PRINT((ndo, " fh %d,%d/",
- fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor));
+ ND_PRINT(" fh %u,%u/",
+ fsid.Fsid_dev.Major, fsid.Fsid_dev.Minor);
}
- if(fsid.Fsid_dev.Minor == 257)
+ if(fsid.Fsid_dev.Minor == UINT_MAX && fsid.Fsid_dev.Major == UINT_MAX)
/* Print the undecoded handle */
- ND_PRINT((ndo, "%s", fsid.Opaque_Handle));
+ fn_print_str(ndo, (const u_char *)fsid.Opaque_Handle);
else
- ND_PRINT((ndo, "%ld", (long) ino));
+ ND_PRINT("%u", ino);
}
/*
struct xid_map_entry {
uint32_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
+ nd_ipv6 client; /* client IP address (net order) */
+ nd_ipv6 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 int
xid_map_enter(netdissect_options *ndo,
const struct sunrpc_msg *rp, const u_char *bp)
{
- struct ip *ip = NULL;
-#ifdef INET6
- struct ip6_hdr *ip6 = NULL;
-#endif
+ const struct ip *ip = NULL;
+ const struct ip6_hdr *ip6 = NULL;
struct xid_map_entry *xmep;
- if (!ND_TTEST(rp->rm_call.cb_vers))
+ if (!ND_TTEST_4(rp->rm_call.cb_proc))
return (0);
- switch (IP_V((struct ip *)bp)) {
+ switch (IP_V((const struct ip *)bp)) {
case 4:
- ip = (struct ip *)bp;
+ ip = (const struct ip *)bp;
break;
-#ifdef INET6
case 6:
- ip6 = (struct ip6_hdr *)bp;
+ ip6 = (const struct ip6_hdr *)bp;
break;
-#endif
default:
return (1);
}
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));
- }
-#ifdef INET6
- else if (ip6) {
+ 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));
+ UNALIGNED_MEMCPY(&xmep->client, ip6->ip6_src,
+ sizeof(ip6->ip6_src));
+ UNALIGNED_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);
+ xmep->proc = GET_BE_U_4(&rp->rm_call.cb_proc);
+ xmep->vers = GET_BE_U_4(&rp->rm_call.cb_vers);
return (1);
}
* version in vers return, or returns -1 on failure
*/
static int
-xid_map_find(const struct sunrpc_msg *rp, const u_char *bp, uint32_t *proc,
- uint32_t *vers)
+xid_map_find(netdissect_options *ndo, const struct sunrpc_msg *rp,
+ const u_char *bp, uint32_t *proc, uint32_t *vers)
{
int i;
struct xid_map_entry *xmep;
- uint32_t xid = rp->rm_xid;
- struct ip *ip = (struct ip *)bp;
-#ifdef INET6
- struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
-#endif
+ 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 {
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) {
+ 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;
-#ifdef INET6
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) {
+ 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;
-#endif
default:
cmp = 0;
break;
*/
static const uint32_t *
parserep(netdissect_options *ndo,
- register const struct sunrpc_msg *rp, register u_int length)
+ const struct sunrpc_msg *rp, u_int length, int *nfserrp)
{
- register const uint32_t *dp;
+ const uint32_t *dp;
u_int len;
enum sunrpc_accept_stat astat;
* which is an "enum" and so occupies one 32-bit word.
*/
dp = ((const uint32_t *)&rp->rm_reply) + 1;
- ND_TCHECK(dp[1]);
- len = EXTRACT_32BITS(&dp[1]);
+ len = GET_BE_U_4(dp + 1);
if (len >= length)
return (NULL);
/*
* skip past the ar_verf credentials.
*/
dp += (len + (2*sizeof(uint32_t) + 3)) / sizeof(uint32_t);
- ND_TCHECK2(dp[0], 0);
/*
* now we can check the ar_stat field
*/
- astat = (enum sunrpc_accept_stat) EXTRACT_32BITS(dp);
+ astat = (enum sunrpc_accept_stat) GET_BE_U_4(dp);
if (astat != SUNRPC_SUCCESS) {
- ND_PRINT((ndo, " %s", tok2str(sunrpc_str, "ar_stat %d", astat)));
- nfserr = 1; /* suppress trunc string */
+ ND_PRINT(" %s", tok2str(sunrpc_str, "ar_stat %u", astat));
+ *nfserrp = 1; /* suppress trunc string */
return (NULL);
}
/* successful return */
- ND_TCHECK2(*dp, sizeof(astat));
- return ((uint32_t *) (sizeof(astat) + ((char *)dp)));
+ ND_TCHECK_LEN(dp, sizeof(astat));
+ return ((const uint32_t *) (sizeof(astat) + ((const char *)dp)));
trunc:
return (0);
}
static const uint32_t *
parsestatus(netdissect_options *ndo,
- const uint32_t *dp, int *er)
+ const uint32_t *dp, u_int *er, int *nfserrp)
{
- int errnum;
-
- ND_TCHECK(dp[0]);
+ u_int errnum;
- errnum = EXTRACT_32BITS(&dp[0]);
+ errnum = GET_BE_U_4(dp);
if (er)
*er = errnum;
if (errnum != 0) {
if (!ndo->ndo_qflag)
- ND_PRINT((ndo, " ERROR: %s",
- tok2str(status2str, "unk %d", errnum)));
- nfserr = 1;
+ ND_PRINT(" ERROR: %s",
+ tok2str(status2str, "unk %u", errnum));
+ *nfserrp = 1;
}
return (dp + 1);
-trunc:
- return NULL;
}
static const uint32_t *
const struct nfs_fattr *fap;
fap = (const struct nfs_fattr *)dp;
- ND_TCHECK(fap->fa_gid);
+ ND_TCHECK_4(fap->fa_gid);
if (verbose) {
- ND_PRINT((ndo, " %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)));
+ /*
+ * XXX - UIDs and GIDs are unsigned in NFS and in
+ * at least some UN*Xes, but we'll show them as
+ * signed because -2 has traditionally been the
+ * UID for "nobody", rather than 4294967294.
+ */
+ ND_PRINT(" %s %o ids %d/%d",
+ tok2str(type2str, "unk-ft %u ",
+ GET_BE_U_4(fap->fa_type)),
+ GET_BE_U_4(fap->fa_mode),
+ GET_BE_S_4(fap->fa_uid),
+ GET_BE_S_4(fap->fa_gid));
if (v3) {
- ND_TCHECK(fap->fa3_size);
- ND_PRINT((ndo, " sz %" PRIu64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_size)));
+ ND_PRINT(" sz %" PRIu64,
+ GET_BE_U_8(fap->fa3_size));
} else {
- ND_TCHECK(fap->fa2_size);
- ND_PRINT((ndo, " sz %d", EXTRACT_32BITS(&fap->fa2_size)));
+ ND_PRINT(" sz %u", GET_BE_U_4(fap->fa2_size));
}
}
/* print lots more stuff */
if (verbose > 1) {
if (v3) {
- ND_TCHECK(fap->fa3_ctime);
- ND_PRINT((ndo, " nlink %d rdev %d/%d",
- EXTRACT_32BITS(&fap->fa_nlink),
- EXTRACT_32BITS(&fap->fa3_rdev.specdata1),
- EXTRACT_32BITS(&fap->fa3_rdev.specdata2)));
- ND_PRINT((ndo, " fsid %" PRIx64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_fsid)));
- ND_PRINT((ndo, " fileid %" PRIx64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_fileid)));
- ND_PRINT((ndo, " a/m/ctime %u.%06u",
- EXTRACT_32BITS(&fap->fa3_atime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_atime.nfsv3_nsec)));
- ND_PRINT((ndo, " %u.%06u",
- EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_nsec)));
- ND_PRINT((ndo, " %u.%06u",
- EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_nsec)));
+ ND_TCHECK_8(&fap->fa3_ctime);
+ ND_PRINT(" nlink %u rdev %u/%u",
+ GET_BE_U_4(fap->fa_nlink),
+ GET_BE_U_4(fap->fa3_rdev.specdata1),
+ GET_BE_U_4(fap->fa3_rdev.specdata2));
+ ND_PRINT(" fsid %" PRIx64,
+ GET_BE_U_8(fap->fa3_fsid));
+ ND_PRINT(" fileid %" PRIx64,
+ GET_BE_U_8(fap->fa3_fileid));
+ ND_PRINT(" a/m/ctime %u.%06u",
+ GET_BE_U_4(fap->fa3_atime.nfsv3_sec),
+ GET_BE_U_4(fap->fa3_atime.nfsv3_nsec));
+ ND_PRINT(" %u.%06u",
+ GET_BE_U_4(fap->fa3_mtime.nfsv3_sec),
+ GET_BE_U_4(fap->fa3_mtime.nfsv3_nsec));
+ ND_PRINT(" %u.%06u",
+ GET_BE_U_4(fap->fa3_ctime.nfsv3_sec),
+ GET_BE_U_4(fap->fa3_ctime.nfsv3_nsec));
} else {
- ND_TCHECK(fap->fa2_ctime);
- ND_PRINT((ndo, " nlink %d rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
- EXTRACT_32BITS(&fap->fa_nlink),
- EXTRACT_32BITS(&fap->fa2_rdev),
- EXTRACT_32BITS(&fap->fa2_fsid),
- EXTRACT_32BITS(&fap->fa2_fileid)));
- ND_PRINT((ndo, " %u.%06u",
- EXTRACT_32BITS(&fap->fa2_atime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_atime.nfsv2_usec)));
- ND_PRINT((ndo, " %u.%06u",
- EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_usec)));
- ND_PRINT((ndo, " %u.%06u",
- EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_usec)));
+ ND_TCHECK_8(&fap->fa2_ctime);
+ ND_PRINT(" nlink %u rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
+ GET_BE_U_4(fap->fa_nlink),
+ GET_BE_U_4(fap->fa2_rdev),
+ GET_BE_U_4(fap->fa2_fsid),
+ GET_BE_U_4(fap->fa2_fileid));
+ ND_PRINT(" %u.%06u",
+ GET_BE_U_4(fap->fa2_atime.nfsv2_sec),
+ GET_BE_U_4(fap->fa2_atime.nfsv2_usec));
+ ND_PRINT(" %u.%06u",
+ GET_BE_U_4(fap->fa2_mtime.nfsv2_sec),
+ GET_BE_U_4(fap->fa2_mtime.nfsv2_usec));
+ ND_PRINT(" %u.%06u",
+ GET_BE_U_4(fap->fa2_ctime.nfsv2_sec),
+ GET_BE_U_4(fap->fa2_ctime.nfsv2_usec));
}
}
- return ((const uint32_t *)((unsigned char *)dp +
+ return ((const uint32_t *)((const unsigned char *)dp +
(v3 ? NFSX_V3FATTR : NFSX_V2FATTR)));
trunc:
return (NULL);
static int
parseattrstat(netdissect_options *ndo,
- const uint32_t *dp, int verbose, int v3)
+ const uint32_t *dp, int verbose, int v3, int *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(ndo, dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return (0);
if (er)
static int
parsediropres(netdissect_options *ndo,
- const uint32_t *dp)
+ const uint32_t *dp, int *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (er)
return (1);
static int
parselinkres(netdissect_options *ndo,
- const uint32_t *dp, int v3)
+ const uint32_t *dp, int v3, int *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(ndo, dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return(0);
if (er)
return(1);
- if (v3 && !(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
- return (0);
- ND_PRINT((ndo, " "));
+ if (v3) {
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ return (0);
+ }
+ ND_PRINT(" ");
return (parsefn(ndo, dp) != NULL);
}
static int
parsestatfs(netdissect_options *ndo,
- const uint32_t *dp, int v3)
+ const uint32_t *dp, int v3, int *nfserrp)
{
const struct nfs_statfs *sfsp;
- int er;
+ u_int er;
- dp = parsestatus(ndo, dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return (0);
if (!v3 && er)
if (v3) {
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " POST:"));
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
+ ND_PRINT(" POST:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
return (0);
}
- ND_TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
+ ND_TCHECK_LEN(dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
sfsp = (const struct nfs_statfs *)dp;
if (v3) {
- ND_PRINT((ndo, " tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_tbytes),
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_fbytes),
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_abytes)));
+ ND_PRINT(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
+ GET_BE_U_8(sfsp->sf_tbytes),
+ GET_BE_U_8(sfsp->sf_fbytes),
+ GET_BE_U_8(sfsp->sf_abytes));
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_tfiles),
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_ffiles),
- EXTRACT_64BITS((uint32_t *)&sfsp->sf_afiles),
- EXTRACT_32BITS(&sfsp->sf_invarsec)));
+ ND_PRINT(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
+ GET_BE_U_8(sfsp->sf_tfiles),
+ GET_BE_U_8(sfsp->sf_ffiles),
+ GET_BE_U_8(sfsp->sf_afiles),
+ GET_BE_U_4(sfsp->sf_invarsec));
}
} else {
- ND_PRINT((ndo, " 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)));
+ ND_PRINT(" tsize %u bsize %u blocks %u bfree %u bavail %u",
+ GET_BE_U_4(sfsp->sf_tsize),
+ GET_BE_U_4(sfsp->sf_bsize),
+ GET_BE_U_4(sfsp->sf_blocks),
+ GET_BE_U_4(sfsp->sf_bfree),
+ GET_BE_U_4(sfsp->sf_bavail));
}
return (1);
static int
parserddires(netdissect_options *ndo,
- const uint32_t *dp)
+ const uint32_t *dp, int *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(ndo, dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return (0);
if (er)
if (ndo->ndo_qflag)
return (1);
- ND_TCHECK(dp[2]);
- ND_PRINT((ndo, " offset 0x%x size %d ",
- EXTRACT_32BITS(&dp[0]), EXTRACT_32BITS(&dp[1])));
- if (dp[2] != 0)
- ND_PRINT((ndo, " eof"));
+ ND_PRINT(" offset 0x%x size %u ",
+ GET_BE_U_4(dp), GET_BE_U_4(dp + 1));
+ if (GET_BE_U_4(dp + 2) != 0)
+ ND_PRINT(" eof");
return (1);
-trunc:
- return (0);
}
static const uint32_t *
parse_wcc_attr(netdissect_options *ndo,
const uint32_t *dp)
{
- ND_PRINT((ndo, " sz %" PRIu64, EXTRACT_64BITS(&dp[0])));
- ND_PRINT((ndo, " mtime %u.%06u ctime %u.%06u",
- EXTRACT_32BITS(&dp[2]), EXTRACT_32BITS(&dp[3]),
- EXTRACT_32BITS(&dp[4]), EXTRACT_32BITS(&dp[5])));
+ /* Our caller has already checked this */
+ ND_PRINT(" sz %" PRIu64, GET_BE_U_8(dp));
+ ND_PRINT(" mtime %u.%06u ctime %u.%06u",
+ GET_BE_U_4(dp + 2), GET_BE_U_4(dp + 3),
+ GET_BE_U_4(dp + 4), GET_BE_U_4(dp + 5));
return (dp + 6);
}
parse_pre_op_attr(netdissect_options *ndo,
const uint32_t *dp, int verbose)
{
- ND_TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_BE_U_4(dp))
return (dp + 1);
dp++;
- ND_TCHECK2(*dp, 24);
+ ND_TCHECK_LEN(dp, 24);
if (verbose > 1) {
return parse_wcc_attr(ndo, dp);
} else {
parse_post_op_attr(netdissect_options *ndo,
const uint32_t *dp, int verbose)
{
- ND_TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_BE_U_4(dp))
return (dp + 1);
dp++;
if (verbose) {
return parsefattr(ndo, dp, verbose, 1);
} else
return (dp + (NFSX_V3FATTR / sizeof (uint32_t)));
-trunc:
- return (NULL);
}
static const uint32_t *
const uint32_t *dp, int verbose)
{
if (verbose > 1)
- ND_PRINT((ndo, " PRE:"));
- if (!(dp = parse_pre_op_attr(ndo, dp, verbose)))
+ ND_PRINT(" PRE:");
+ dp = parse_pre_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
if (verbose)
- ND_PRINT((ndo, " POST:"));
+ ND_PRINT(" POST:");
return parse_post_op_attr(ndo, dp, verbose);
}
static const uint32_t *
parsecreateopres(netdissect_options *ndo,
- const uint32_t *dp, int verbose)
+ const uint32_t *dp, int verbose, int *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (er)
dp = parse_wcc_data(ndo, dp, verbose);
else {
- ND_TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_BE_U_4(dp))
return (dp + 1);
dp++;
- if (!(dp = parsefh(ndo, dp, 1)))
+ dp = parsefh(ndo, dp, 1);
+ if (dp == NULL)
return (0);
if (verbose) {
- if (!(dp = parse_post_op_attr(ndo, dp, verbose)))
+ dp = parse_post_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
if (ndo->ndo_vflag > 1) {
- ND_PRINT((ndo, " dir attr:"));
+ ND_PRINT(" dir attr:");
dp = parse_wcc_data(ndo, dp, verbose);
}
}
}
return (dp);
-trunc:
- return (NULL);
}
-static int
+static const uint32_t *
parsewccres(netdissect_options *ndo,
- const uint32_t *dp, int verbose)
+ const uint32_t *dp, int verbose, int *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
- return parse_wcc_data(ndo, dp, verbose) != 0;
+ return parse_wcc_data(ndo, dp, verbose);
}
static const uint32_t *
parsev3rddirres(netdissect_options *ndo,
- const uint32_t *dp, int verbose)
+ const uint32_t *dp, int verbose, int *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " POST:"));
- if (!(dp = parse_post_op_attr(ndo, dp, verbose)))
+ ND_PRINT(" POST:");
+ dp = parse_post_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
if (er)
return dp;
if (ndo->ndo_vflag) {
- ND_TCHECK(dp[1]);
- ND_PRINT((ndo, " verf %08x%08x", dp[0], dp[1]));
+ /*
+ * This displays the 8 bytes of the verifier in order,
+ * from the low-order byte to the high-order byte.
+ */
+ ND_PRINT(" verf %08x%08x",
+ GET_BE_U_4(dp), GET_BE_U_4(dp + 1));
dp += 2;
}
return dp;
-trunc:
- return (NULL);
}
static int
parsefsinfo(netdissect_options *ndo,
- const uint32_t *dp)
+ const uint32_t *dp, int *nfserrp)
{
- struct nfsv3_fsinfo *sfp;
- int er;
+ const struct nfsv3_fsinfo *sfp;
+ u_int er;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " POST:"));
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
+ ND_PRINT(" POST:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
return (0);
if (er)
return (1);
- sfp = (struct nfsv3_fsinfo *)dp;
- ND_TCHECK(*sfp);
- ND_PRINT((ndo, " 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)));
+ sfp = (const struct nfsv3_fsinfo *)dp;
+ ND_TCHECK_SIZE(sfp);
+ ND_PRINT(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
+ GET_BE_U_4(sfp->fs_rtmax),
+ GET_BE_U_4(sfp->fs_rtpref),
+ GET_BE_U_4(sfp->fs_wtmax),
+ GET_BE_U_4(sfp->fs_wtpref),
+ GET_BE_U_4(sfp->fs_dtpref));
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " rtmult %u wtmult %u maxfsz %" PRIu64,
- EXTRACT_32BITS(&sfp->fs_rtmult),
- EXTRACT_32BITS(&sfp->fs_wtmult),
- EXTRACT_64BITS((uint32_t *)&sfp->fs_maxfilesize)));
- ND_PRINT((ndo, " delta %u.%06u ",
- EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_sec),
- EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_nsec)));
+ ND_PRINT(" rtmult %u wtmult %u maxfsz %" PRIu64,
+ GET_BE_U_4(sfp->fs_rtmult),
+ GET_BE_U_4(sfp->fs_wtmult),
+ GET_BE_U_8(sfp->fs_maxfilesize));
+ ND_PRINT(" delta %u.%06u ",
+ GET_BE_U_4(sfp->fs_timedelta.nfsv3_sec),
+ GET_BE_U_4(sfp->fs_timedelta.nfsv3_nsec));
}
return (1);
trunc:
static int
parsepathconf(netdissect_options *ndo,
- const uint32_t *dp)
+ const uint32_t *dp, int *nfserrp)
{
- int er;
- struct nfsv3_pathconf *spp;
+ u_int er;
+ const struct nfsv3_pathconf *spp;
- if (!(dp = parsestatus(ndo, dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " POST:"));
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
+ ND_PRINT(" POST:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
return (0);
if (er)
return (1);
- spp = (struct nfsv3_pathconf *)dp;
- ND_TCHECK(*spp);
+ spp = (const struct nfsv3_pathconf *)dp;
+ ND_TCHECK_SIZE(spp);
- ND_PRINT((ndo, " 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" : ""));
+ ND_PRINT(" linkmax %u namemax %u %s %s %s %s",
+ GET_BE_U_4(spp->pc_linkmax),
+ GET_BE_U_4(spp->pc_namemax),
+ GET_BE_U_4(spp->pc_notrunc) ? "notrunc" : "",
+ GET_BE_U_4(spp->pc_chownrestricted) ? "chownres" : "",
+ GET_BE_U_4(spp->pc_caseinsensitive) ? "igncase" : "",
+ GET_BE_U_4(spp->pc_casepreserving) ? "keepcase" : "");
return (1);
trunc:
return (0);
static void
interp_reply(netdissect_options *ndo,
- const struct sunrpc_msg *rp, uint32_t proc, uint32_t vers, int length)
+ const struct sunrpc_msg *rp, uint32_t proc, uint32_t vers,
+ int length)
{
- register const uint32_t *dp;
- register int v3;
- int er;
+ const uint32_t *dp;
+ int v3;
+ u_int er;
+ int nfserr = 0;
v3 = (vers == NFS_VER3);
if (!v3 && proc < NFS_NPROCS)
proc = nfsv3_procid[proc];
- ND_PRINT((ndo, " %s", tok2str(nfsproc_str, "proc-%u", proc)));
+ ND_PRINT(" %s", tok2str(nfsproc_str, "proc-%u", proc));
switch (proc) {
case NFSPROC_GETATTR:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parseattrstat(ndo, dp, !ndo->ndo_qflag, v3) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parseattrstat(ndo, dp, !ndo->ndo_qflag, v3, &nfserr) == 0)
+ goto trunc;
break;
case NFSPROC_SETATTR:
- if (!(dp = parserep(ndo, rp, length)))
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsewccres(ndo, dp, ndo->ndo_vflag))
- return;
+ if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_LOOKUP:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (er) {
if (ndo->ndo_vflag > 1) {
- ND_PRINT((ndo, " post dattr:"));
+ ND_PRINT(" post dattr:");
dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
}
} else {
- if (!(dp = parsefh(ndo, dp, v3)))
- break;
- if ((dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)) &&
- ndo->ndo_vflag > 1) {
- ND_PRINT((ndo, " post dattr:"));
+ dp = parsefh(ndo, dp, v3);
+ if (dp == NULL)
+ goto trunc;
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" post dattr:");
dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
}
}
- if (dp)
- return;
} else {
- if (parsediropres(ndo, dp) != 0)
- return;
+ if (parsediropres(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_ACCESS:
- if (!(dp = parserep(ndo, rp, length)))
- break;
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (ndo->ndo_vflag)
- ND_PRINT((ndo, " attr:"));
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
- break;
- if (!er)
- ND_PRINT((ndo, " c %04x", EXTRACT_32BITS(&dp[0])));
- return;
+ ND_PRINT(" attr:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ if (!er) {
+ ND_PRINT(" c %04x", GET_BE_U_4(dp));
+ }
+ break;
case NFSPROC_READLINK:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parselinkres(ndo, dp, v3) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parselinkres(ndo, dp, v3, &nfserr) == 0)
+ goto trunc;
break;
case NFSPROC_READ:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
- break;
- if (er)
- return;
- if (ndo->ndo_vflag) {
- ND_TCHECK(dp[1]);
- ND_PRINT((ndo, " %u bytes", EXTRACT_32BITS(&dp[0])));
- if (EXTRACT_32BITS(&dp[1]))
- ND_PRINT((ndo, " EOF"));
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ if (!er) {
+ if (ndo->ndo_vflag) {
+ ND_PRINT(" %u bytes", GET_BE_U_4(dp));
+ if (GET_BE_U_4(dp + 1))
+ ND_PRINT(" EOF");
+ }
}
- return;
} else {
- if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_WRITE:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
- if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
- break;
- if (er)
- return;
- if (ndo->ndo_vflag) {
- ND_TCHECK(dp[0]);
- ND_PRINT((ndo, " %u bytes", EXTRACT_32BITS(&dp[0])));
- if (ndo->ndo_vflag > 1) {
- ND_TCHECK(dp[1]);
- ND_PRINT((ndo, " <%s>",
- tok2str(nfsv3_writemodes,
- NULL, EXTRACT_32BITS(&dp[1]))));
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ if (!er) {
+ if (ndo->ndo_vflag) {
+ ND_PRINT(" %u bytes", GET_BE_U_4(dp));
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" <%s>",
+ tok2str(nfsv3_writemodes,
+ NULL, GET_BE_U_4(dp + 1)));
+
+ /* write-verf-cookie */
+ ND_PRINT(" verf %" PRIx64,
+ GET_BE_U_8(dp + 2));
+ }
}
- return;
}
+ return;
} else {
- if (parseattrstat(ndo, dp, ndo->ndo_vflag, v3) != 0)
- return;
+ if (parseattrstat(ndo, dp, ndo->ndo_vflag, v3, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_CREATE:
case NFSPROC_MKDIR:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
- return;
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsediropres(ndo, dp) != 0)
- return;
+ if (parsediropres(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_SYMLINK:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
- return;
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_MKNOD:
- if (!(dp = parserep(ndo, rp, length)))
- break;
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
break;
case NFSPROC_REMOVE:
case NFSPROC_RMDIR:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsewccres(ndo, dp, ndo->ndo_vflag))
- return;
+ if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_RENAME:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " from:"));
- if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
- break;
- ND_PRINT((ndo, " to:"));
- if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
- break;
+ ND_PRINT(" from:");
+ dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" to:");
+ dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
}
- return;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_LINK:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(ndo, dp, &er)))
- break;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (ndo->ndo_vflag) {
- ND_PRINT((ndo, " file POST:"));
- if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
- break;
- ND_PRINT((ndo, " dir:"));
- if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
- break;
- return;
+ ND_PRINT(" file POST:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
+ ND_PRINT(" dir:");
+ dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
}
+ return;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_READDIR:
- if (!(dp = parserep(ndo, rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
- return;
+ if (parsev3rddirres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parserddires(ndo, dp) != 0)
- return;
+ if (parserddires(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_READDIRPLUS:
- if (!(dp = parserep(ndo, rp, length)))
- break;
- if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parsev3rddirres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
break;
case NFSPROC_FSSTAT:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parsestatfs(ndo, dp, v3) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parsestatfs(ndo, dp, v3, &nfserr) == 0)
+ goto trunc;
break;
case NFSPROC_FSINFO:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parsefsinfo(ndo, dp) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parsefsinfo(ndo, dp, &nfserr) == 0)
+ goto trunc;
break;
case NFSPROC_PATHCONF:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parsepathconf(ndo, dp) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (parsepathconf(ndo, dp, &nfserr) == 0)
+ goto trunc;
break;
case NFSPROC_COMMIT:
- dp = parserep(ndo, rp, length);
- if (dp != NULL && parsewccres(ndo, dp, ndo->ndo_vflag) != 0)
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ dp = parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (ndo->ndo_vflag > 1) {
+ /* write-verf-cookie */
+ ND_PRINT(" verf %" PRIx64, GET_BE_U_8(dp));
+ }
break;
default:
- return;
+ break;
}
+ return;
+
trunc:
if (!nfserr)
- ND_PRINT((ndo, "%s", tstr));
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff