* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
*/
+/* \summary: Network File System (NFS) printer */
+
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
-#include <tcpdump-stdinc.h>
+#include <netdissect-stdinc.h>
#include <stdio.h>
#include <string.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"
/*
* 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,
print_nfsaddr(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;
+ ip = (const struct ip *)bp;
strlcpy(srcaddr, ipaddr_string(ndo, &ip->ip_src), sizeof(srcaddr));
strlcpy(dstaddr, ipaddr_string(ndo, &ip->ip_dst), sizeof(dstaddr));
break;
-#ifdef INET6
case 6:
- ip6 = (struct ip6_hdr *)bp;
+ ip6 = (const struct ip6_hdr *)bp;
strlcpy(srcaddr, ip6addr_string(ndo, &ip6->ip6_src),
sizeof(srcaddr));
strlcpy(dstaddr, ip6addr_string(ndo, &ip6->ip6_dst),
sizeof(dstaddr));
break;
-#endif
default:
strlcpy(srcaddr, "?", sizeof(srcaddr));
strlcpy(dstaddr, "?", sizeof(dstaddr));
/*
* find the start of the req data (if we captured it)
*/
- dp = (uint32_t *)&rp->rm_call.cb_cred;
+ dp = (const uint32_t *)&rp->rm_call.cb_cred;
ND_TCHECK(dp[1]);
len = EXTRACT_32BITS(&dp[1]);
if (len < length) {
ND_TCHECK2(*dp, ((len + 3) & ~3));
- 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 ((dp = parsereq(ndo, rp, length)) != NULL &&
(dp = parsefh(ndo, dp, v3)) != NULL) {
if (v3) {
- ND_TCHECK(dp[2]);
+ ND_TCHECK(dp[4]);
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))));
+ NULL, EXTRACT_32BITS(&dp[3]))));
}
} else {
ND_TCHECK(dp[3]);
break;
case NFSPROC_SYMLINK:
- if ((dp = parsereq(ndo, rp, length)) != 0 &&
- (dp = parsefhn(ndo, dp, v3)) != 0) {
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefhn(ndo, dp, v3)) != NULL) {
ND_PRINT((ndo, " ->"));
- if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == 0)
+ if (v3 && (dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
break;
- if (parsefn(ndo, dp) == 0)
+ if (parsefn(ndo, dp) == NULL)
break;
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) {
+ if ((dp = parsereq(ndo, rp, length)) != NULL &&
+ (dp = parsefhn(ndo, dp, v3)) != NULL) {
ND_TCHECK(*dp);
type = (nfs_type)EXTRACT_32BITS(dp);
dp++;
- if ((dp = parse_sattr3(ndo, dp, &sa3)) == 0)
+ if ((dp = parse_sattr3(ndo, dp, &sa3)) == NULL)
break;
ND_PRINT((ndo, " %s", tok2str(type2str, "unk-ft %d", type)));
if (ndo->ndo_vflag && (type == NFCHR || type == NFBLK)) {
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)
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
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(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->client, &ip->ip_src, sizeof(ip->ip_src));
UNALIGNED_MEMCPY(&xmep->server, &ip->ip_dst, sizeof(ip->ip_dst));
}
-#ifdef INET6
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));
}
-#endif
xmep->proc = EXTRACT_32BITS(&rp->rm_call.cb_proc);
xmep->vers = EXTRACT_32BITS(&rp->rm_call.cb_vers);
return (1);
{
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 {
cmp = 0;
}
break;
-#ifdef INET6
case 6:
if (UNALIGNED_MEMCMP(&ip6->ip6_src, &xmep->server,
sizeof(ip6->ip6_src)) != 0 ||
cmp = 0;
}
break;
-#endif
default:
cmp = 0;
break;
* 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
*/
+ ND_TCHECK(dp[0]);
astat = (enum sunrpc_accept_stat) EXTRACT_32BITS(dp);
if (astat != SUNRPC_SUCCESS) {
ND_PRINT((ndo, " %s", tok2str(sunrpc_str, "ar_stat %d", astat)));
}
/* successful return */
ND_TCHECK2(*dp, sizeof(astat));
- return ((uint32_t *) (sizeof(astat) + ((char *)dp)));
+ return ((const uint32_t *) (sizeof(astat) + ((const char *)dp)));
trunc:
return (0);
}
if (v3) {
ND_TCHECK(fap->fa3_size);
ND_PRINT((ndo, " sz %" PRIu64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_size)));
+ EXTRACT_64BITS((const uint32_t *)&fap->fa3_size)));
} else {
ND_TCHECK(fap->fa2_size);
ND_PRINT((ndo, " sz %d", EXTRACT_32BITS(&fap->fa2_size)));
EXTRACT_32BITS(&fap->fa3_rdev.specdata1),
EXTRACT_32BITS(&fap->fa3_rdev.specdata2)));
ND_PRINT((ndo, " fsid %" PRIx64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_fsid)));
+ EXTRACT_64BITS((const uint32_t *)&fap->fa3_fsid)));
ND_PRINT((ndo, " fileid %" PRIx64,
- EXTRACT_64BITS((uint32_t *)&fap->fa3_fileid)));
+ EXTRACT_64BITS((const 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)));
EXTRACT_32BITS(&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);
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)));
+ EXTRACT_64BITS((const uint32_t *)&sfsp->sf_tbytes),
+ EXTRACT_64BITS((const uint32_t *)&sfsp->sf_fbytes),
+ EXTRACT_64BITS((const uint32_t *)&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_64BITS((const uint32_t *)&sfsp->sf_tfiles),
+ EXTRACT_64BITS((const uint32_t *)&sfsp->sf_ffiles),
+ EXTRACT_64BITS((const uint32_t *)&sfsp->sf_afiles),
EXTRACT_32BITS(&sfsp->sf_invarsec)));
}
} else {
parse_wcc_attr(netdissect_options *ndo,
const uint32_t *dp)
{
+ /* Our caller has already checked this */
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]),
if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
- return parse_wcc_data(ndo, dp, verbose) != 0;
+ return parse_wcc_data(ndo, dp, verbose) != NULL;
}
static const uint32_t *
parsefsinfo(netdissect_options *ndo,
const uint32_t *dp)
{
- struct nfsv3_fsinfo *sfp;
+ const struct nfsv3_fsinfo *sfp;
int er;
if (!(dp = parsestatus(ndo, dp, &er)))
if (er)
return (1);
- sfp = (struct nfsv3_fsinfo *)dp;
+ sfp = (const 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),
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)));
+ EXTRACT_64BITS((const 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)));
const uint32_t *dp)
{
int er;
- struct nfsv3_pathconf *spp;
+ const struct nfsv3_pathconf *spp;
if (!(dp = parsestatus(ndo, dp, &er)))
return (0);
if (er)
return (1);
- spp = (struct nfsv3_pathconf *)dp;
+ spp = (const struct nfsv3_pathconf *)dp;
ND_TCHECK(*spp);
ND_PRINT((ndo, " linkmax %u namemax %u %s %s %s %s",
ND_PRINT((ndo, " attr:"));
if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
- if (!er)
+ if (!er) {
+ ND_TCHECK(dp[0]);
ND_PRINT((ndo, " c %04x", EXTRACT_32BITS(&dp[0])));
+ }
return;
case NFSPROC_READLINK:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
if (parsediropres(ndo, dp) != 0)
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
+ if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
case NFSPROC_MKNOD:
if (!(dp = parserep(ndo, rp, length)))
break;
- if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != 0)
+ if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
break;
if (parsewccres(ndo, dp, ndo->ndo_vflag))
return;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
+ if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
}
return;
} else {
- if (parsestatus(ndo, dp, &er) != 0)
+ if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
return;
}
} else {
- if (parsestatus(ndo, dp, &er) != 0)
+ if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
projects / tcpdump / blobdiff