/* \summary: Network File System (NFS) printer */
#ifdef HAVE_CONFIG_H
-#include "config.h"
+#include <config.h>
#endif
#include "netdissect-stdinc.h"
#include "rpc_auth.h"
#include "rpc_msg.h"
-static const char tstr[] = " [|nfs]";
static void nfs_printfh(netdissect_options *, const uint32_t *, const u_int);
static int xid_map_enter(netdissect_options *, const struct sunrpc_msg *, const u_char *);
switch (IP_V((const struct ip *)bp)) {
case 4:
ip = (const struct ip *)bp;
- strlcpy(srcaddr, ipaddr_string(ndo, &ip->ip_src), sizeof(srcaddr));
- strlcpy(dstaddr, ipaddr_string(ndo, &ip->ip_dst), sizeof(dstaddr));
+ strlcpy(srcaddr, ipaddr_string(ndo, ip->ip_src), sizeof(srcaddr));
+ strlcpy(dstaddr, ipaddr_string(ndo, ip->ip_dst), sizeof(dstaddr));
break;
case 6:
ip6 = (const struct ip6_hdr *)bp;
- strlcpy(srcaddr, ip6addr_string(ndo, &ip6->ip6_src),
+ strlcpy(srcaddr, ip6addr_string(ndo, ip6->ip6_src),
sizeof(srcaddr));
- strlcpy(dstaddr, ip6addr_string(ndo, &ip6->ip6_dst),
+ strlcpy(dstaddr, ip6addr_string(ndo, ip6->ip6_dst),
sizeof(dstaddr));
break;
default:
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)
const struct sunrpc_msg *rp;
char srcid[20], dstid[20]; /*fits 32bit*/
+ ndo->ndo_protocol = "nfs";
nfserr = 0; /* assume no error */
rp = (const struct sunrpc_msg *)bp;
- ND_TCHECK(rp->rm_xid);
+ ND_TCHECK_4(rp->rm_xid);
if (!ndo->ndo_nflag) {
strlcpy(srcid, "nfs", sizeof(srcid));
- snprintf(dstid, sizeof(dstid), "%u",
+ nd_snprintf(dstid, sizeof(dstid), "%u",
EXTRACT_BE_U_4(rp->rm_xid));
} else {
- snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
- snprintf(dstid, sizeof(dstid), "%u",
+ nd_snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
+ nd_snprintf(dstid, sizeof(dstid), "%u",
EXTRACT_BE_U_4(rp->rm_xid));
}
print_nfsaddr(ndo, bp2, srcid, dstid);
trunc:
if (!nfserr)
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
void
uint32_t rhigh;
enum sunrpc_auth_stat rwhy;
+ ndo->ndo_protocol = "nfs";
nfserr = 0; /* assume no error */
rp = (const struct sunrpc_msg *)bp;
- ND_TCHECK(rp->rm_reply.rp_stat);
+ ND_TCHECK_4(rp->rm_reply.rp_stat);
reply_stat = EXTRACT_BE_U_4(&rp->rm_reply.rp_stat);
switch (reply_stat) {
case SUNRPC_MSG_DENIED:
ND_PRINT("reply ERR %u: ", length);
- ND_TCHECK(rp->rm_reply.rp_reject.rj_stat);
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_stat);
rstat = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_stat);
switch (rstat) {
case SUNRPC_RPC_MISMATCH:
- ND_TCHECK(rp->rm_reply.rp_reject.rj_vers.high);
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_vers.high);
rlow = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.low);
rhigh = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_vers.high);
ND_PRINT("RPC Version mismatch (%u-%u)", rlow, rhigh);
break;
case SUNRPC_AUTH_ERROR:
- ND_TCHECK(rp->rm_reply.rp_reject.rj_why);
+ ND_TCHECK_4(rp->rm_reply.rp_reject.rj_why);
rwhy = EXTRACT_BE_U_4(&rp->rm_reply.rp_reject.rj_why);
ND_PRINT("Auth %s", tok2str(sunrpc_auth_str, "Invalid failure code %u", rwhy));
break;
trunc:
if (!nfserr)
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*
const struct sunrpc_msg *rp, u_int length)
{
const uint32_t *dp;
- u_int len;
+ 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 = (const uint32_t *)&rp->rm_call.cb_cred;
+ if (length < 2 * sizeof(*dp))
+ goto trunc;
ND_TCHECK_4(dp + 1);
len = EXTRACT_BE_U_4(dp + 1);
- if (len < length) {
+ 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);
+ 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;
ND_TCHECK_4(dp + 1);
len = EXTRACT_BE_U_4(dp + 1);
- if (len < length) {
+ 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_TCHECK_LEN(dp, 0);
return (dp);
}
}
/* Update 32-bit pointer (NFS filenames padded to 32-bit boundaries) */
dp += ((len + 3) & ~3) / sizeof(*dp);
ND_PRINT("\"");
- if (fn_printn(ndo, cp, len, ndo->ndo_snapend)) {
+ if (nd_printn(ndo, cp, len, ndo->ndo_snapend)) {
ND_PRINT("\"");
goto trunc;
}
uint32_t access_flags;
struct nfsv3_sattr sa3;
+ ndo->ndo_protocol = "nfs";
ND_PRINT("%u", length);
nfserr = 0; /* assume no error */
rp = (const struct sunrpc_msg *)bp;
trunc:
if (!nfserr)
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*
const struct ip6_hdr *ip6 = NULL;
struct xid_map_entry *xmep;
- if (!ND_TTEST(rp->rm_call.cb_proc))
+ if (!ND_TTEST_4(rp->rm_call.cb_proc))
return (0);
switch (IP_V((const struct ip *)bp)) {
case 4:
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));
+ 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));
}
xmep->proc = EXTRACT_BE_U_4(&rp->rm_call.cb_proc);
xmep->vers = EXTRACT_BE_U_4(&rp->rm_call.cb_vers);
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;
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;
const struct nfs_fattr *fap;
fap = (const struct nfs_fattr *)dp;
- ND_TCHECK(fap->fa_gid);
+ ND_TCHECK_4(fap->fa_gid);
if (verbose) {
/*
* XXX - UIDs and GIDs are unsigned in NFS and in
*/
ND_PRINT(" %s %o ids %d/%d",
tok2str(type2str, "unk-ft %u ",
- EXTRACT_BE_U_4(&fap->fa_type)),
- EXTRACT_BE_U_4(&fap->fa_mode),
- EXTRACT_BE_S_4(&fap->fa_uid),
- EXTRACT_BE_S_4(&fap->fa_gid));
+ EXTRACT_BE_U_4(fap->fa_type)),
+ EXTRACT_BE_U_4(fap->fa_mode),
+ EXTRACT_BE_S_4(fap->fa_uid),
+ EXTRACT_BE_S_4(fap->fa_gid));
if (v3) {
- ND_TCHECK(fap->fa3_size);
+ ND_TCHECK_8(fap->fa3_size);
ND_PRINT(" sz %" PRIu64,
- EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_size));
+ EXTRACT_BE_U_8(fap->fa3_size));
} else {
- ND_TCHECK(fap->fa2_size);
- ND_PRINT(" sz %u", EXTRACT_BE_U_4(&fap->fa2_size));
+ ND_TCHECK_4(fap->fa2_size);
+ ND_PRINT(" sz %u", EXTRACT_BE_U_4(fap->fa2_size));
}
}
/* print lots more stuff */
if (verbose > 1) {
if (v3) {
- ND_TCHECK(fap->fa3_ctime);
+ ND_TCHECK_8(&fap->fa3_ctime);
ND_PRINT(" nlink %u rdev %u/%u",
- EXTRACT_BE_U_4(&fap->fa_nlink),
- EXTRACT_BE_U_4(&fap->fa3_rdev.specdata1),
- EXTRACT_BE_U_4(&fap->fa3_rdev.specdata2));
+ EXTRACT_BE_U_4(fap->fa_nlink),
+ EXTRACT_BE_U_4(fap->fa3_rdev.specdata1),
+ EXTRACT_BE_U_4(fap->fa3_rdev.specdata2));
ND_PRINT(" fsid %" PRIx64,
- EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_fsid));
+ EXTRACT_BE_U_8(fap->fa3_fsid));
ND_PRINT(" fileid %" PRIx64,
- EXTRACT_BE_U_8((const uint32_t *)&fap->fa3_fileid));
+ EXTRACT_BE_U_8(fap->fa3_fileid));
ND_PRINT(" a/m/ctime %u.%06u",
- EXTRACT_BE_U_4(&fap->fa3_atime.nfsv3_sec),
- EXTRACT_BE_U_4(&fap->fa3_atime.nfsv3_nsec));
+ EXTRACT_BE_U_4(fap->fa3_atime.nfsv3_sec),
+ EXTRACT_BE_U_4(fap->fa3_atime.nfsv3_nsec));
ND_PRINT(" %u.%06u",
- EXTRACT_BE_U_4(&fap->fa3_mtime.nfsv3_sec),
- EXTRACT_BE_U_4(&fap->fa3_mtime.nfsv3_nsec));
+ EXTRACT_BE_U_4(fap->fa3_mtime.nfsv3_sec),
+ EXTRACT_BE_U_4(fap->fa3_mtime.nfsv3_nsec));
ND_PRINT(" %u.%06u",
- EXTRACT_BE_U_4(&fap->fa3_ctime.nfsv3_sec),
- EXTRACT_BE_U_4(&fap->fa3_ctime.nfsv3_nsec));
+ EXTRACT_BE_U_4(fap->fa3_ctime.nfsv3_sec),
+ EXTRACT_BE_U_4(fap->fa3_ctime.nfsv3_nsec));
} else {
- ND_TCHECK(fap->fa2_ctime);
+ ND_TCHECK_8(&fap->fa2_ctime);
ND_PRINT(" nlink %u rdev 0x%x fsid 0x%x nodeid 0x%x a/m/ctime",
- EXTRACT_BE_U_4(&fap->fa_nlink),
- EXTRACT_BE_U_4(&fap->fa2_rdev),
- EXTRACT_BE_U_4(&fap->fa2_fsid),
- EXTRACT_BE_U_4(&fap->fa2_fileid));
+ EXTRACT_BE_U_4(fap->fa_nlink),
+ EXTRACT_BE_U_4(fap->fa2_rdev),
+ EXTRACT_BE_U_4(fap->fa2_fsid),
+ EXTRACT_BE_U_4(fap->fa2_fileid));
ND_PRINT(" %u.%06u",
- EXTRACT_BE_U_4(&fap->fa2_atime.nfsv2_sec),
- EXTRACT_BE_U_4(&fap->fa2_atime.nfsv2_usec));
+ EXTRACT_BE_U_4(fap->fa2_atime.nfsv2_sec),
+ EXTRACT_BE_U_4(fap->fa2_atime.nfsv2_usec));
ND_PRINT(" %u.%06u",
- EXTRACT_BE_U_4(&fap->fa2_mtime.nfsv2_sec),
- EXTRACT_BE_U_4(&fap->fa2_mtime.nfsv2_usec));
+ EXTRACT_BE_U_4(fap->fa2_mtime.nfsv2_sec),
+ EXTRACT_BE_U_4(fap->fa2_mtime.nfsv2_usec));
ND_PRINT(" %u.%06u",
- EXTRACT_BE_U_4(&fap->fa2_ctime.nfsv2_sec),
- EXTRACT_BE_U_4(&fap->fa2_ctime.nfsv2_usec));
+ EXTRACT_BE_U_4(fap->fa2_ctime.nfsv2_sec),
+ EXTRACT_BE_U_4(fap->fa2_ctime.nfsv2_usec));
}
}
return ((const uint32_t *)((const unsigned char *)dp +
if (v3) {
ND_PRINT(" tbytes %" PRIu64 " fbytes %" PRIu64 " abytes %" PRIu64,
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_tbytes),
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_fbytes),
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_abytes));
+ EXTRACT_BE_U_8(sfsp->sf_tbytes),
+ EXTRACT_BE_U_8(sfsp->sf_fbytes),
+ EXTRACT_BE_U_8(sfsp->sf_abytes));
if (ndo->ndo_vflag) {
ND_PRINT(" tfiles %" PRIu64 " ffiles %" PRIu64 " afiles %" PRIu64 " invar %u",
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_tfiles),
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_ffiles),
- EXTRACT_BE_U_8((const uint32_t *)&sfsp->sf_afiles),
- EXTRACT_BE_U_4(&sfsp->sf_invarsec));
+ EXTRACT_BE_U_8(sfsp->sf_tfiles),
+ EXTRACT_BE_U_8(sfsp->sf_ffiles),
+ EXTRACT_BE_U_8(sfsp->sf_afiles),
+ EXTRACT_BE_U_4(sfsp->sf_invarsec));
}
} else {
ND_PRINT(" tsize %u bsize %u blocks %u bfree %u bavail %u",
- EXTRACT_BE_U_4(&sfsp->sf_tsize),
- EXTRACT_BE_U_4(&sfsp->sf_bsize),
- EXTRACT_BE_U_4(&sfsp->sf_blocks),
- EXTRACT_BE_U_4(&sfsp->sf_bfree),
- EXTRACT_BE_U_4(&sfsp->sf_bavail));
+ EXTRACT_BE_U_4(sfsp->sf_tsize),
+ EXTRACT_BE_U_4(sfsp->sf_bsize),
+ EXTRACT_BE_U_4(sfsp->sf_blocks),
+ EXTRACT_BE_U_4(sfsp->sf_bfree),
+ EXTRACT_BE_U_4(sfsp->sf_bavail));
}
return (1);
sfp = (const struct nfsv3_fsinfo *)dp;
ND_TCHECK_SIZE(sfp);
ND_PRINT(" rtmax %u rtpref %u wtmax %u wtpref %u dtpref %u",
- EXTRACT_BE_U_4(&sfp->fs_rtmax),
- EXTRACT_BE_U_4(&sfp->fs_rtpref),
- EXTRACT_BE_U_4(&sfp->fs_wtmax),
- EXTRACT_BE_U_4(&sfp->fs_wtpref),
- EXTRACT_BE_U_4(&sfp->fs_dtpref));
+ EXTRACT_BE_U_4(sfp->fs_rtmax),
+ EXTRACT_BE_U_4(sfp->fs_rtpref),
+ EXTRACT_BE_U_4(sfp->fs_wtmax),
+ EXTRACT_BE_U_4(sfp->fs_wtpref),
+ EXTRACT_BE_U_4(sfp->fs_dtpref));
if (ndo->ndo_vflag) {
ND_PRINT(" rtmult %u wtmult %u maxfsz %" PRIu64,
- EXTRACT_BE_U_4(&sfp->fs_rtmult),
- EXTRACT_BE_U_4(&sfp->fs_wtmult),
- EXTRACT_BE_U_8((const uint32_t *)&sfp->fs_maxfilesize));
+ EXTRACT_BE_U_4(sfp->fs_rtmult),
+ EXTRACT_BE_U_4(sfp->fs_wtmult),
+ EXTRACT_BE_U_8(sfp->fs_maxfilesize));
ND_PRINT(" delta %u.%06u ",
- EXTRACT_BE_U_4(&sfp->fs_timedelta.nfsv3_sec),
- EXTRACT_BE_U_4(&sfp->fs_timedelta.nfsv3_nsec));
+ EXTRACT_BE_U_4(sfp->fs_timedelta.nfsv3_sec),
+ EXTRACT_BE_U_4(sfp->fs_timedelta.nfsv3_nsec));
}
return (1);
trunc:
ND_TCHECK_SIZE(spp);
ND_PRINT(" linkmax %u namemax %u %s %s %s %s",
- EXTRACT_BE_U_4(&spp->pc_linkmax),
- EXTRACT_BE_U_4(&spp->pc_namemax),
- EXTRACT_BE_U_4(&spp->pc_notrunc) ? "notrunc" : "",
- EXTRACT_BE_U_4(&spp->pc_chownrestricted) ? "chownres" : "",
- EXTRACT_BE_U_4(&spp->pc_caseinsensitive) ? "igncase" : "",
- EXTRACT_BE_U_4(&spp->pc_casepreserving) ? "keepcase" : "");
+ EXTRACT_BE_U_4(spp->pc_linkmax),
+ EXTRACT_BE_U_4(spp->pc_namemax),
+ EXTRACT_BE_U_4(spp->pc_notrunc) ? "notrunc" : "",
+ EXTRACT_BE_U_4(spp->pc_chownrestricted) ? "chownres" : "",
+ EXTRACT_BE_U_4(spp->pc_caseinsensitive) ? "igncase" : "",
+ EXTRACT_BE_U_4(spp->pc_casepreserving) ? "keepcase" : "");
return (1);
trunc:
return (0);
}
trunc:
if (!nfserr)
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff