* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
-#ifndef lint
-static const char rcsid[] _U_ =
- "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.111 2007-12-22 03:08:04 guy Exp $ (LBL)";
-#endif
+/* \summary: Network File System (NFS) printer */
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
+#include <config.h>
-#include <tcpdump-stdinc.h>
+#include "netdissect-stdinc.h"
-#include <pcap.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 void nfs_printfh(const u_int32_t *, const u_int);
-static int xid_map_enter(const struct sunrpc_msg *, const u_char *);
-static int xid_map_find(const struct sunrpc_msg *, const u_char *,
- u_int32_t *, u_int32_t *);
-static void interp_reply(const struct sunrpc_msg *, u_int32_t, u_int32_t, int);
-static const u_int32_t *parse_post_op_attr(const u_int32_t *, int);
-static void print_sattr3(const struct nfsv3_sattr *sa3, int verbose);
-static void print_nfsaddr(const u_char *, const char *, const char *);
+
+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(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.
*/
-u_int32_t nfsv3_procid[NFS_NPROCS] = {
+static uint32_t nfsv3_procid[NFS_NPROCS] = {
NFSPROC_NULL,
NFSPROC_GETATTR,
NFSPROC_SETATTR,
NFSPROC_NOOP
};
+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 }
+};
+
/*
* NFS V2 and V3 status values.
*
{ 0, NULL }
};
+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 }
+};
+
+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 void
-print_nfsaddr(const u_char *bp, const char *s, const char *d)
+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(&ip->ip_src), sizeof(srcaddr));
- strlcpy(dstaddr, ipaddr_string(&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(&ip6->ip6_src),
+ ip6 = (const struct ip6_hdr *)bp;
+ strlcpy(srcaddr, GET_IP6ADDR_STRING(ip6->ip6_src),
sizeof(srcaddr));
- strlcpy(dstaddr, ip6addr_string(&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;
}
- (void)printf("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
+ ND_PRINT("%s.%s > %s.%s: ", srcaddr, s, dstaddr, d);
}
-static const u_int32_t *
-parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
+/*
+ * 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)
{
- TCHECK(dp[0]);
- sa3->sa_modeset = EXTRACT_32BITS(dp);
+ sa3->sa_modeset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_modeset) {
- TCHECK(dp[0]);
- sa3->sa_mode = EXTRACT_32BITS(dp);
+ sa3->sa_mode = GET_BE_U_4(dp);
dp++;
}
- TCHECK(dp[0]);
- sa3->sa_uidset = EXTRACT_32BITS(dp);
+ sa3->sa_uidset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_uidset) {
- TCHECK(dp[0]);
- sa3->sa_uid = EXTRACT_32BITS(dp);
+ sa3->sa_uid = GET_BE_U_4(dp);
dp++;
}
- TCHECK(dp[0]);
- sa3->sa_gidset = EXTRACT_32BITS(dp);
+ sa3->sa_gidset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_gidset) {
- TCHECK(dp[0]);
- sa3->sa_gid = EXTRACT_32BITS(dp);
+ sa3->sa_gid = GET_BE_U_4(dp);
dp++;
}
- TCHECK(dp[0]);
- sa3->sa_sizeset = EXTRACT_32BITS(dp);
+ sa3->sa_sizeset = GET_BE_U_4(dp);
dp++;
if (sa3->sa_sizeset) {
- TCHECK(dp[0]);
- sa3->sa_size = EXTRACT_32BITS(dp);
+ sa3->sa_size = GET_BE_U_4(dp);
dp++;
}
- TCHECK(dp[0]);
- sa3->sa_atimetype = EXTRACT_32BITS(dp);
+ sa3->sa_atimetype = GET_BE_U_4(dp);
dp++;
if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT) {
- 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++;
}
- TCHECK(dp[0]);
- sa3->sa_mtimetype = EXTRACT_32BITS(dp);
+ sa3->sa_mtimetype = GET_BE_U_4(dp);
dp++;
if (sa3->sa_mtimetype == NFSV3SATTRTIME_TOCLIENT) {
- 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(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(" mode %o", sa3->sa_mode);
if (sa3->sa_uidset)
- printf(" uid %u", sa3->sa_uid);
+ ND_PRINT(" uid %u", sa3->sa_uid);
if (sa3->sa_gidset)
- printf(" gid %u", sa3->sa_gid);
+ ND_PRINT(" gid %u", sa3->sa_gid);
if (verbose > 1) {
if (sa3->sa_atimetype == NFSV3SATTRTIME_TOCLIENT)
- printf(" atime %u.%06u", sa3->sa_atime.nfsv3_sec,
+ ND_PRINT(" 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,
+ ND_PRINT(" 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,
+ const u_char *bp, u_int length,
+ const u_char *bp2)
{
- register const struct sunrpc_msg *rp;
- u_int32_t proc, vers, reply_stat;
+ const struct sunrpc_msg *rp;
char srcid[20], dstid[20]; /*fits 32bit*/
- enum sunrpc_reject_stat rstat;
- u_int32_t rlow;
- u_int32_t rhigh;
- enum sunrpc_auth_stat rwhy;
- nfserr = 0; /* assume no error */
+ ndo->ndo_protocol = "nfs";
rp = (const struct sunrpc_msg *)bp;
- TCHECK(rp->rm_xid);
- if (!nflag) {
+ 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(bp2, srcid, dstid);
- TCHECK(rp->rm_reply.rp_stat);
- reply_stat = EXTRACT_32BITS(&rp->rm_reply.rp_stat);
+ nfsaddr_print(ndo, bp2, srcid, dstid);
+
+ nfsreply_noaddr_print(ndo, bp, length, bp2);
+}
+
+void
+nfsreply_noaddr_print(netdissect_options *ndo,
+ const u_char *bp, u_int length,
+ const u_char *bp2)
+{
+ 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;
+
+ ndo->ndo_protocol = "nfs";
+ rp = (const struct sunrpc_msg *)bp;
+
+ 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:
- (void)printf("reply ok %u", length);
- if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
- interp_reply(rp, proc, vers, length);
+ 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:
- (void)printf("reply ERR %u: ", length);
- 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:
- 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);
- (void)printf("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:
- TCHECK(rp->rm_reply.rp_reject.rj_why);
- rwhy = EXTRACT_32BITS(&rp->rm_reply.rp_reject.rj_why);
- (void)printf("Auth ");
- switch (rwhy) {
-
- case SUNRPC_AUTH_OK:
- (void)printf("OK");
- break;
-
- case SUNRPC_AUTH_BADCRED:
- (void)printf("Bogus Credentials (seal broken)");
- break;
-
- case SUNRPC_AUTH_REJECTEDCRED:
- (void)printf("Rejected Credentials (client should begin new session)");
- break;
-
- case SUNRPC_AUTH_BADVERF:
- (void)printf("Bogus Verifier (seal broken)");
- break;
-
- case SUNRPC_AUTH_REJECTEDVERF:
- (void)printf("Verifier expired or was replayed");
- break;
-
- case SUNRPC_AUTH_TOOWEAK:
- (void)printf("Credentials are too weak");
- break;
-
- case SUNRPC_AUTH_INVALIDRESP:
- (void)printf("Bogus response verifier");
- break;
-
- case SUNRPC_AUTH_FAILED:
- (void)printf("Unknown failure");
- break;
-
- default:
- (void)printf("Invalid failure code %u",
- (unsigned int)rwhy);
- break;
- }
+ 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:
- (void)printf("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:
- (void)printf("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)
- fputs(" [|nfs]", stdout);
+ nd_print_trunc(ndo);
}
/*
* Return a pointer to the first file handle in the packet.
* If the packet was truncated, return 0.
*/
-static const u_int32_t *
-parsereq(register const struct sunrpc_msg *rp, register u_int length)
+static const uint32_t *
+parsereq(netdissect_options *ndo,
+ const struct sunrpc_msg *rp, u_int length)
{
- register const u_int32_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 = (u_int32_t *)&rp->rm_call.cb_cred;
- 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);
- 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);
- 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,
+ const uint32_t *dp, int v3)
{
u_int len;
if (v3) {
- TCHECK(dp[0]);
- len = EXTRACT_32BITS(dp) / 4;
+ len = GET_BE_U_4(dp) / 4;
dp++;
} else
len = NFSX_V2FH / 4;
- if (TTEST2(*dp, len * sizeof(*dp))) {
- nfs_printfh(dp, len);
+ if (ND_TTEST_LEN(dp, len * sizeof(*dp))) {
+ nfs_printfh(ndo, dp, len);
return (dp + len);
- }
-trunc:
- return (NULL);
+ } else
+ 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,
+ const uint32_t *dp)
{
- register u_int32_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 */
- 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;
+ }
- 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);
- putchar('"');
- if (fn_printn(cp, len, snapend)) {
- putchar('"');
+ dp += rounded_len / sizeof(*dp);
+ ND_PRINT("\"");
+ if (nd_printn(ndo, cp, len, ndo->ndo_snapend)) {
+ ND_PRINT("\"");
goto trunc;
}
- putchar('"');
+ ND_PRINT("\"");
return (dp);
trunc:
* 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,
+ 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(" ");
+ 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,
+ const u_char *bp, u_int length,
+ const u_char *bp2)
{
- register const struct sunrpc_msg *rp;
- register const u_int32_t *dp;
+ const struct sunrpc_msg *rp;
+ const uint32_t *dp;
nfs_type type;
int v3;
- u_int32_t proc;
- u_int32_t access_flags;
+ uint32_t proc;
+ uint32_t access_flags;
struct nfsv3_sattr sa3;
- char srcid[20], dstid[20]; /*fits 32bit*/
- nfserr = 0; /* assume no error */
+ ndo->ndo_protocol = "nfs";
+ ND_PRINT("%u", length);
rp = (const struct sunrpc_msg *)bp;
- TCHECK(rp->rm_xid);
- if (!nflag) {
- snprintf(srcid, sizeof(srcid), "%u",
- EXTRACT_32BITS(&rp->rm_xid));
- strlcpy(dstid, "nfs", sizeof(dstid));
- } else {
- snprintf(srcid, sizeof(srcid), "%u",
- EXTRACT_32BITS(&rp->rm_xid));
- snprintf(dstid, sizeof(dstid), "%u", NFS_PORT);
- }
- print_nfsaddr(bp2, srcid, dstid);
- (void)printf("%d", length);
-
- if (!xid_map_enter(rp, bp2)) /* record proc number for later on */
+ 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(" %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)
- return;
+ case NFSPROC_READLINK:
+ case NFSPROC_FSSTAT:
+ case NFSPROC_FSINFO:
+ case NFSPROC_PATHCONF:
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ if (parsefh(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_LOOKUP:
- printf(" lookup");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefhn(dp, v3) != NULL)
- return;
+ case NFSPROC_CREATE:
+ case NFSPROC_MKDIR:
+ case NFSPROC_REMOVE:
+ case NFSPROC_RMDIR:
+ dp = parsereq(ndo, rp, length);
+ if (dp == NULL)
+ goto trunc;
+ if (parsefhn(ndo, dp, v3) == NULL)
+ goto trunc;
break;
case NFSPROC_ACCESS:
- printf(" access");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- TCHECK(dp[0]);
- access_flags = EXTRACT_32BITS(&dp[0]);
- if (access_flags & ~NFSV3ACCESS_FULL) {
- /* NFSV3ACCESS definitions aren't up to date */
- printf(" %04x", access_flags);
- } else if ((access_flags & NFSV3ACCESS_FULL) == NFSV3ACCESS_FULL) {
- printf(" NFS_ACCESS_FULL");
- } else {
- char separator = ' ';
- if (access_flags & NFSV3ACCESS_READ) {
- printf(" NFS_ACCESS_READ");
- separator = '|';
- }
- if (access_flags & NFSV3ACCESS_LOOKUP) {
- printf("%cNFS_ACCESS_LOOKUP", separator);
- separator = '|';
- }
- if (access_flags & NFSV3ACCESS_MODIFY) {
- printf("%cNFS_ACCESS_MODIFY", separator);
- separator = '|';
- }
- if (access_flags & NFSV3ACCESS_EXTEND) {
- printf("%cNFS_ACCESS_EXTEND", separator);
- separator = '|';
- }
- if (access_flags & NFSV3ACCESS_DELETE) {
- printf("%cNFS_ACCESS_DELETE", separator);
- separator = '|';
- }
- if (access_flags & NFSV3ACCESS_EXECUTE)
- printf("%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_READLINK:
- printf(" readlink");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefh(dp, v3) != NULL)
- return;
- break;
-
case NFSPROC_READ:
- printf(" read");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- if (v3) {
- TCHECK(dp[2]);
- printf(" %u bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0]));
- } else {
- TCHECK(dp[1]);
- printf(" %u bytes @ %u",
- EXTRACT_32BITS(&dp[1]),
- EXTRACT_32BITS(&dp[0]));
- }
- return;
+ 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:
- printf(" write");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- if (v3) {
- TCHECK(dp[2]);
- printf(" %u (%u) bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0]));
- if (vflag) {
- dp += 3;
- TCHECK(dp[0]);
- printf(" <%s>",
- tok2str(nfsv3_writemodes,
- NULL, EXTRACT_32BITS(dp)));
- }
- } else {
- TCHECK(dp[3]);
- printf(" %u (%u) bytes @ %u (%u)",
- EXTRACT_32BITS(&dp[3]),
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_32BITS(&dp[1]),
- EXTRACT_32BITS(&dp[0]));
+ 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_CREATE:
- printf(" create");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefhn(dp, v3) != NULL)
- return;
- break;
-
- case NFSPROC_MKDIR:
- printf(" mkdir");
- if ((dp = parsereq(rp, length)) != 0 && parsefhn(dp, v3) != 0)
- return;
- break;
-
case NFSPROC_SYMLINK:
- printf(" symlink");
- if ((dp = parsereq(rp, length)) != 0 &&
- (dp = parsefhn(dp, v3)) != 0) {
- fputs(" ->", stdout);
- if (v3 && (dp = parse_sattr3(dp, &sa3)) == 0)
- break;
- if (parsefn(dp) == 0)
- break;
- if (v3 && vflag)
- print_sattr3(&sa3, vflag);
- return;
- }
+ 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:
- printf(" mknod");
- if ((dp = parsereq(rp, length)) != 0 &&
- (dp = parsefhn(dp, v3)) != 0) {
- TCHECK(*dp);
- type = (nfs_type)EXTRACT_32BITS(dp);
- dp++;
- if ((dp = parse_sattr3(dp, &sa3)) == 0)
- break;
- printf(" %s", tok2str(type2str, "unk-ft %d", type));
- if (vflag && (type == NFCHR || type == NFBLK)) {
- TCHECK(dp[1]);
- printf(" %u/%u",
- EXTRACT_32BITS(&dp[0]),
- EXTRACT_32BITS(&dp[1]));
- dp += 2;
- }
- if (vflag)
- print_sattr3(&sa3, vflag);
- return;
+ 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;
}
- break;
-
- case NFSPROC_REMOVE:
- printf(" remove");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefhn(dp, v3) != NULL)
- return;
- break;
-
- case NFSPROC_RMDIR:
- printf(" rmdir");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefhn(dp, v3) != NULL)
- return;
+ if (ndo->ndo_vflag)
+ print_sattr3(ndo, &sa3, ndo->ndo_vflag);
break;
case NFSPROC_RENAME:
- printf(" rename");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefhn(dp, v3)) != NULL) {
- fputs(" ->", stdout);
- if (parsefhn(dp, v3) != NULL)
- return;
- }
+ 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:
- printf(" link");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- fputs(" ->", stdout);
- if (parsefhn(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:
- printf(" readdir");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- if (v3) {
- TCHECK(dp[4]);
- /*
- * We shouldn't really try to interpret the
- * offset cookie here.
- */
- printf(" %u bytes @ %" PRId64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_64BITS(&dp[0]));
- if (vflag)
- printf(" verf %08x%08x", dp[2],
- dp[3]);
- } else {
- TCHECK(dp[1]);
+ 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.
*/
- printf(" %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:
- printf(" readdirplus");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- 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.
*/
- printf(" %u bytes @ %" PRId64,
- EXTRACT_32BITS(&dp[4]),
- EXTRACT_64BITS(&dp[0]));
- if (vflag) {
- TCHECK(dp[5]);
- printf(" max %u verf %08x%08x",
- EXTRACT_32BITS(&dp[5]), dp[2], dp[3]);
- }
- return;
+ 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_FSSTAT:
- printf(" fsstat");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefh(dp, v3) != NULL)
- return;
- break;
-
- case NFSPROC_FSINFO:
- printf(" fsinfo");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefh(dp, v3) != NULL)
- return;
- break;
-
- case NFSPROC_PATHCONF:
- printf(" pathconf");
- if ((dp = parsereq(rp, length)) != NULL &&
- parsefh(dp, v3) != NULL)
- return;
- break;
-
case NFSPROC_COMMIT:
- printf(" commit");
- if ((dp = parsereq(rp, length)) != NULL &&
- (dp = parsefh(dp, v3)) != NULL) {
- TCHECK(dp[2]);
- printf(" %u bytes @ %" PRIu64,
- EXTRACT_32BITS(&dp[2]),
- EXTRACT_64BITS(&dp[0]));
- return;
- }
+ 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:
- printf(" proc-%u", EXTRACT_32BITS(&rp->rm_call.cb_proc));
- return;
+ break;
}
+ return;
trunc:
- if (!nfserr)
- fputs(" [|nfs]", stdout);
+ nd_print_trunc(ndo);
}
/*
* 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,
+ const uint32_t *dp, const u_int len)
{
my_fsid fsid;
- ino_t ino;
+ uint32_t ino;
const char *sfsname = NULL;
char *spacep;
- if (uflag) {
+ if (ndo->ndo_uflag) {
u_int i;
char const *sep = "";
- printf(" fh[");
+ ND_PRINT(" fh[");
for (i=0; i<len; i++) {
- (void)printf("%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 = ":";
}
- printf("]");
+ 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';
- (void)printf(" fh %s/", temp);
+ ND_PRINT(" fh ");
+ fn_print_str(ndo, (const u_char *)temp);
+ ND_PRINT("/");
} else {
- (void)printf(" fh %d,%d/",
+ 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 */
- (void)printf("%s", fsid.Opaque_Handle);
+ fn_print_str(ndo, (const u_char *)fsid.Opaque_Handle);
else
- (void)printf("%ld", (long) ino);
+ ND_PRINT("%u", ino);
}
/*
*/
struct xid_map_entry {
- u_int32_t xid; /* transaction ID (net order) */
+ 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
- u_int32_t proc; /* call proc number (host order) */
- u_int32_t vers; /* program version (host order) */
+ 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(const struct sunrpc_msg *rp, const u_char *bp)
+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 (!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);
}
if (++xid_map_next >= XIDMAPSIZE)
xid_map_next = 0;
- xmep->xid = rp->rm_xid;
+ UNALIGNED_MEMCPY(&xmep->xid, &rp->rm_xid, sizeof(xmep->xid));
if (ip) {
xmep->ipver = 4;
- memcpy(&xmep->client, &ip->ip_src, sizeof(ip->ip_src));
- memcpy(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
- }
-#ifdef INET6
- else if (ip6) {
+ 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;
- memcpy(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
- 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, u_int32_t *proc,
- u_int32_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;
- u_int32_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 (memcmp(&ip->ip_src, &xmep->server,
- sizeof(ip->ip_src)) != 0 ||
- 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 (memcmp(&ip6->ip6_src, &xmep->server,
- sizeof(ip6->ip6_src)) != 0 ||
- 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;
* Return a pointer to the beginning of the actual results.
* If the packet was truncated, return 0.
*/
-static const u_int32_t *
-parserep(register const struct sunrpc_msg *rp, register u_int length)
+static const uint32_t *
+parserep(netdissect_options *ndo,
+ const struct sunrpc_msg *rp, u_int length, int *nfserrp)
{
- register const u_int32_t *dp;
+ const uint32_t *dp;
u_int len;
enum sunrpc_accept_stat astat;
* Portability note:
* Here we find the address of the ar_verf credentials.
* Originally, this calculation was
- * dp = (u_int32_t *)&rp->rm_reply.rp_acpt.ar_verf
+ * 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;
- TCHECK(dp[1]);
- len = EXTRACT_32BITS(&dp[1]);
+ dp = ((const uint32_t *)&rp->rm_reply) + 1;
+ len = GET_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 = (enum sunrpc_accept_stat) EXTRACT_32BITS(dp);
- switch (astat) {
-
- case SUNRPC_SUCCESS:
- break;
-
- case SUNRPC_PROG_UNAVAIL:
- printf(" PROG_UNAVAIL");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case SUNRPC_PROG_MISMATCH:
- printf(" PROG_MISMATCH");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case SUNRPC_PROC_UNAVAIL:
- printf(" PROC_UNAVAIL");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case SUNRPC_GARBAGE_ARGS:
- printf(" GARBAGE_ARGS");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- case SUNRPC_SYSTEM_ERR:
- printf(" SYSTEM_ERR");
- nfserr = 1; /* suppress trunc string */
- return (NULL);
-
- default:
- printf(" ar_stat %d", astat);
- nfserr = 1; /* suppress trunc string */
+ astat = (enum sunrpc_accept_stat) GET_BE_U_4(dp);
+ if (astat != SUNRPC_SUCCESS) {
+ ND_PRINT(" %s", tok2str(sunrpc_str, "ar_stat %u", astat));
+ *nfserrp = 1; /* suppress trunc string */
return (NULL);
}
/* successful return */
- TCHECK2(*dp, sizeof(astat));
- return ((u_int32_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 u_int32_t *
-parsestatus(const u_int32_t *dp, int *er)
+static const uint32_t *
+parsestatus(netdissect_options *ndo,
+ const uint32_t *dp, u_int *er, int *nfserrp)
{
- int errnum;
+ u_int errnum;
- TCHECK(dp[0]);
-
- errnum = EXTRACT_32BITS(&dp[0]);
+ errnum = GET_BE_U_4(dp);
if (er)
*er = errnum;
if (errnum != 0) {
- if (!qflag)
- printf(" ERROR: %s",
- tok2str(status2str, "unk %d", errnum));
- nfserr = 1;
+ if (!ndo->ndo_qflag)
+ ND_PRINT(" ERROR: %s",
+ tok2str(status2str, "unk %u", errnum));
+ *nfserrp = 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;
fap = (const struct nfs_fattr *)dp;
- TCHECK(fap->fa_gid);
+ ND_TCHECK_4(fap->fa_gid);
if (verbose) {
- printf(" %s %o ids %d/%d",
- tok2str(type2str, "unk-ft %d ",
- EXTRACT_32BITS(&fap->fa_type)),
- EXTRACT_32BITS(&fap->fa_mode),
- EXTRACT_32BITS(&fap->fa_uid),
- EXTRACT_32BITS(&fap->fa_gid));
+ /*
+ * 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) {
- TCHECK(fap->fa3_size);
- printf(" sz %" PRIu64,
- EXTRACT_64BITS((u_int32_t *)&fap->fa3_size));
+ ND_PRINT(" sz %" PRIu64,
+ GET_BE_U_8(fap->fa3_size));
} else {
- TCHECK(fap->fa2_size);
- printf(" 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) {
- TCHECK(fap->fa3_ctime);
- printf(" nlink %d rdev %d/%d",
- EXTRACT_32BITS(&fap->fa_nlink),
- EXTRACT_32BITS(&fap->fa3_rdev.specdata1),
- EXTRACT_32BITS(&fap->fa3_rdev.specdata2));
- printf(" fsid %" PRIx64,
- EXTRACT_64BITS((u_int32_t *)&fap->fa3_fsid));
- printf(" fileid %" PRIx64,
- EXTRACT_64BITS((u_int32_t *)&fap->fa3_fileid));
- printf(" a/m/ctime %u.%06u",
- EXTRACT_32BITS(&fap->fa3_atime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_atime.nfsv3_nsec));
- printf(" %u.%06u",
- EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_mtime.nfsv3_nsec));
- printf(" %u.%06u",
- EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_sec),
- EXTRACT_32BITS(&fap->fa3_ctime.nfsv3_nsec));
+ 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 {
- TCHECK(fap->fa2_ctime);
- printf(" nlink %d rdev %x fsid %x nodeid %x a/m/ctime",
- EXTRACT_32BITS(&fap->fa_nlink),
- EXTRACT_32BITS(&fap->fa2_rdev),
- EXTRACT_32BITS(&fap->fa2_fsid),
- EXTRACT_32BITS(&fap->fa2_fileid));
- printf(" %u.%06u",
- EXTRACT_32BITS(&fap->fa2_atime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_atime.nfsv2_usec));
- printf(" %u.%06u",
- EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_mtime.nfsv2_usec));
- printf(" %u.%06u",
- EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_sec),
- EXTRACT_32BITS(&fap->fa2_ctime.nfsv2_usec));
+ 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 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 *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
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 *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
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 *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return(0);
if (er)
return(1);
- if (v3 && !(dp = parse_post_op_attr(dp, vflag)))
- return (0);
- putchar(' ');
- return (parsefn(dp) != NULL);
+ 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(const u_int32_t *dp, int v3)
+parsestatfs(netdissect_options *ndo,
+ const uint32_t *dp, int v3, int *nfserrp)
{
const struct nfs_statfs *sfsp;
- int er;
+ u_int er;
- dp = parsestatus(dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
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(" POST:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
return (0);
}
- TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
+ ND_TCHECK_LEN(dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS));
sfsp = (const struct nfs_statfs *)dp;
if (v3) {
- printf(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tbytes),
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_fbytes),
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_abytes));
- if (vflag) {
- printf(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_tfiles),
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_ffiles),
- EXTRACT_64BITS((u_int32_t *)&sfsp->sf_afiles),
- EXTRACT_32BITS(&sfsp->sf_invarsec));
+ 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(" 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 {
- printf(" tsize %d bsize %d blocks %d bfree %d bavail %d",
- EXTRACT_32BITS(&sfsp->sf_tsize),
- EXTRACT_32BITS(&sfsp->sf_bsize),
- EXTRACT_32BITS(&sfsp->sf_blocks),
- EXTRACT_32BITS(&sfsp->sf_bfree),
- EXTRACT_32BITS(&sfsp->sf_bavail));
+ 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(const u_int32_t *dp)
+parserddires(netdissect_options *ndo,
+ const uint32_t *dp, int *nfserrp)
{
- int er;
+ u_int er;
- dp = parsestatus(dp, &er);
+ dp = parsestatus(ndo, dp, &er, nfserrp);
if (dp == NULL)
return (0);
if (er)
return (1);
- if (qflag)
+ if (ndo->ndo_qflag)
return (1);
- TCHECK(dp[2]);
- printf(" offset %x size %d ",
- EXTRACT_32BITS(&dp[0]), EXTRACT_32BITS(&dp[1]));
- if (dp[2] != 0)
- printf(" eof");
+ 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 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 %" PRIu64, EXTRACT_64BITS(&dp[0]));
- printf(" mtime %u.%06u ctime %u.%06u",
- EXTRACT_32BITS(&dp[2]), EXTRACT_32BITS(&dp[3]),
- EXTRACT_32BITS(&dp[4]), EXTRACT_32BITS(&dp[5]));
+ /* 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);
}
/*
* 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)
{
- TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_BE_U_4(dp))
return (dp + 1);
dp++;
- TCHECK2(*dp, 24);
+ ND_TCHECK_LEN(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);
/*
* 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)
{
- TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_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)));
-trunc:
- return (NULL);
+ return (dp + (NFSX_V3FATTR / sizeof (uint32_t)));
}
-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(" PRE:");
+ dp = parse_pre_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
if (verbose)
- printf(" POST:");
- return parse_post_op_attr(dp, verbose);
+ ND_PRINT(" 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 *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
if (er)
- dp = parse_wcc_data(dp, verbose);
+ dp = parse_wcc_data(ndo, dp, verbose);
else {
- TCHECK(dp[0]);
- if (!EXTRACT_32BITS(&dp[0]))
+ if (!GET_BE_U_4(dp))
return (dp + 1);
dp++;
- if (!(dp = parsefh(dp, 1)))
+ dp = parsefh(ndo, dp, 1);
+ if (dp == NULL)
return (0);
if (verbose) {
- if (!(dp = parse_post_op_attr(dp, verbose)))
+ dp = parse_post_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
- if (vflag > 1) {
- printf(" dir attr:");
- dp = parse_wcc_data(dp, verbose);
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" dir attr:");
+ dp = parse_wcc_data(ndo, dp, verbose);
}
}
}
return (dp);
-trunc:
- return (NULL);
}
-static int
-parsewccres(const u_int32_t *dp, int verbose)
+static const uint32_t *
+parsewccres(netdissect_options *ndo,
+ const uint32_t *dp, int verbose, int *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
- return parse_wcc_data(dp, verbose) != 0;
+ return parse_wcc_data(ndo, dp, verbose);
}
-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 *nfserrp)
{
- int er;
+ u_int er;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, verbose)))
+ if (ndo->ndo_vflag)
+ ND_PRINT(" POST:");
+ dp = parse_post_op_attr(ndo, dp, verbose);
+ if (dp == NULL)
return (0);
if (er)
return dp;
- if (vflag) {
- TCHECK(dp[1]);
- printf(" verf %08x%08x", dp[0], dp[1]);
+ if (ndo->ndo_vflag) {
+ /*
+ * 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(const u_int32_t *dp)
+parsefsinfo(netdissect_options *ndo,
+ const uint32_t *dp, int *nfserrp)
{
- struct nfsv3_fsinfo *sfp;
- int er;
+ const struct nfsv3_fsinfo *sfp;
+ u_int er;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (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;
- TCHECK(*sfp);
- printf(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
- EXTRACT_32BITS(&sfp->fs_rtmax),
- EXTRACT_32BITS(&sfp->fs_rtpref),
- EXTRACT_32BITS(&sfp->fs_wtmax),
- EXTRACT_32BITS(&sfp->fs_wtpref),
- EXTRACT_32BITS(&sfp->fs_dtpref));
- if (vflag) {
- printf(" rtmult %u wtmult %u maxfsz %" PRIu64,
- EXTRACT_32BITS(&sfp->fs_rtmult),
- EXTRACT_32BITS(&sfp->fs_wtmult),
- EXTRACT_64BITS((u_int32_t *)&sfp->fs_maxfilesize));
- printf(" delta %u.%06u ",
- EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_sec),
- EXTRACT_32BITS(&sfp->fs_timedelta.nfsv3_nsec));
+ 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(" 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(const u_int32_t *dp)
+parsepathconf(netdissect_options *ndo,
+ const uint32_t *dp, int *nfserrp)
{
- int er;
- struct nfsv3_pathconf *spp;
+ u_int er;
+ const struct nfsv3_pathconf *spp;
- if (!(dp = parsestatus(dp, &er)))
+ dp = parsestatus(ndo, dp, &er, nfserrp);
+ if (dp == NULL)
return (0);
- if (vflag)
- printf(" POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
+ if (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;
- TCHECK(*spp);
+ spp = (const struct nfsv3_pathconf *)dp;
+ ND_TCHECK_SIZE(spp);
- printf(" linkmax %u namemax %u %s %s %s %s",
- EXTRACT_32BITS(&spp->pc_linkmax),
- EXTRACT_32BITS(&spp->pc_namemax),
- EXTRACT_32BITS(&spp->pc_notrunc) ? "notrunc" : "",
- EXTRACT_32BITS(&spp->pc_chownrestricted) ? "chownres" : "",
- EXTRACT_32BITS(&spp->pc_caseinsensitive) ? "igncase" : "",
- EXTRACT_32BITS(&spp->pc_casepreserving) ? "keepcase" : "");
+ 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(const struct sunrpc_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 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(" %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)
- 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:
- printf(" setattr");
- if (!(dp = parserep(rp, length)))
- return;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsewccres(dp, vflag))
- return;
+ if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parseattrstat(dp, !qflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_LOOKUP:
- printf(" lookup");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
- break;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (er) {
- if (vflag > 1) {
- printf(" post dattr:");
- dp = parse_post_op_attr(dp, vflag);
+ if (ndo->ndo_vflag > 1) {
+ ND_PRINT(" post dattr:");
+ dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
+ if (dp == NULL)
+ goto trunc;
}
} else {
- if (!(dp = parsefh(dp, v3)))
- break;
- if ((dp = parse_post_op_attr(dp, vflag)) &&
- vflag > 1) {
- printf(" post dattr:");
- dp = parse_post_op_attr(dp, vflag);
+ 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(dp) != 0)
- return;
+ if (parsediropres(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_ACCESS:
- printf(" access");
- if (!(dp = parserep(rp, length)))
- break;
- if (!(dp = parsestatus(dp, &er)))
- break;
- if (vflag)
- printf(" attr:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
- break;
- if (!er)
- printf(" c %04x", EXTRACT_32BITS(&dp[0]));
- return;
+ 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(" 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:
- printf(" readlink");
- dp = parserep(rp, length);
- if (dp != NULL && parselinkres(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:
- printf(" read");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
- break;
- if (!(dp = parse_post_op_attr(dp, vflag)))
- break;
- if (er)
- return;
- if (vflag) {
- TCHECK(dp[1]);
- printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
- if (EXTRACT_32BITS(&dp[1]))
- printf(" EOF");
+ 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(dp, vflag, 0) != 0)
- return;
+ if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_WRITE:
- printf(" write");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
- break;
- if (!(dp = parse_wcc_data(dp, vflag)))
- break;
- if (er)
- return;
- if (vflag) {
- TCHECK(dp[0]);
- printf(" %u bytes", EXTRACT_32BITS(&dp[0]));
- if (vflag > 1) {
- TCHECK(dp[1]);
- printf(" <%s>",
- tok2str(nfsv3_writemodes,
- NULL, EXTRACT_32BITS(&dp[1])));
+ 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(dp, vflag, v3) != 0)
- return;
+ if (parseattrstat(ndo, dp, ndo->ndo_vflag, v3, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_CREATE:
- printf(" create");
- if (!(dp = parserep(rp, length)))
- break;
- if (v3) {
- if (parsecreateopres(dp, vflag) != 0)
- return;
- } else {
- if (parsediropres(dp) != 0)
- return;
- }
- break;
-
case NFSPROC_MKDIR:
- printf(" mkdir");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsecreateopres(dp, vflag) != 0)
- return;
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsediropres(dp) != 0)
- return;
+ if (parsediropres(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_SYMLINK:
- printf(" symlink");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsecreateopres(dp, vflag) != 0)
- return;
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsestatus(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_MKNOD:
- printf(" mknod");
- if (!(dp = parserep(rp, length)))
- break;
- if (parsecreateopres(dp, 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:
- printf(" remove");
- if (!(dp = parserep(rp, length)))
- break;
- if (v3) {
- if (parsewccres(dp, vflag))
- return;
- } else {
- if (parsestatus(dp, &er) != 0)
- return;
- }
- break;
-
case NFSPROC_RMDIR:
- printf(" rmdir");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsewccres(dp, vflag))
- return;
+ if (parsewccres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parsestatus(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_RENAME:
- printf(" rename");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
- break;
- if (vflag) {
- printf(" from:");
- if (!(dp = parse_wcc_data(dp, vflag)))
- break;
- printf(" to:");
- if (!(dp = parse_wcc_data(dp, vflag)))
- break;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (ndo->ndo_vflag) {
+ 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(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_LINK:
- printf(" link");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (!(dp = parsestatus(dp, &er)))
- break;
- if (vflag) {
- printf(" file POST:");
- if (!(dp = parse_post_op_attr(dp, vflag)))
- break;
- printf(" dir:");
- if (!(dp = parse_wcc_data(dp, vflag)))
- break;
- return;
+ dp = parsestatus(ndo, dp, &er, &nfserr);
+ if (dp == NULL)
+ goto trunc;
+ if (ndo->ndo_vflag) {
+ 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(dp, &er) != 0)
- return;
+ if (parsestatus(ndo, dp, &er, &nfserr) == NULL)
+ goto trunc;
}
break;
case NFSPROC_READDIR:
- printf(" readdir");
- if (!(dp = parserep(rp, length)))
- break;
+ dp = parserep(ndo, rp, length, &nfserr);
+ if (dp == NULL)
+ goto trunc;
if (v3) {
- if (parsev3rddirres(dp, vflag))
- return;
+ if (parsev3rddirres(ndo, dp, ndo->ndo_vflag, &nfserr) == NULL)
+ goto trunc;
} else {
- if (parserddires(dp) != 0)
- return;
+ if (parserddires(ndo, dp, &nfserr) == 0)
+ goto trunc;
}
break;
case NFSPROC_READDIRPLUS:
- printf(" readdirplus");
- if (!(dp = parserep(rp, length)))
- break;
- if (parsev3rddirres(dp, 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:
- printf(" fsstat");
- dp = parserep(rp, length);
- if (dp != NULL && parsestatfs(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:
- printf(" fsinfo");
- dp = parserep(rp, length);
- if (dp != NULL && parsefsinfo(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:
- printf(" pathconf");
- dp = parserep(rp, length);
- if (dp != NULL && parsepathconf(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:
- printf(" commit");
- dp = parserep(rp, length);
- if (dp != NULL && parsewccres(dp, 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:
- printf(" proc-%u", proc);
- return;
+ break;
}
+ return;
+
trunc:
if (!nfserr)
- fputs(" [|nfs]", stdout);
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff