#ifndef lint
static const char rcsid[] =
- "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.72 2000-06-01 01:08:18 assar Exp $ (LBL)";
+ "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.87 2000-10-07 05:53:12 itojun Exp $ (LBL)";
#endif
#ifdef HAVE_CONFIG_H
#include <sys/time.h>
#include <sys/socket.h>
-#if __STDC__
struct mbuf;
struct rtentry;
-#endif
-#include <net/if.h>
#include <netinet/in.h>
-#include <netinet/if_ether.h>
-#include <netinet/in_systm.h>
-#include <netinet/ip.h>
#include <rpc/rpc.h>
#include "nfs.h"
#include "nfsfh.h"
+#include "ip.h"
+#ifdef INET6
+#include "ip6.h"
+#endif
+
static void nfs_printfh(const u_int32_t *, const u_int);
-static void xid_map_enter(const struct rpc_msg *, const struct ip *);
-static int32_t xid_map_find(const struct rpc_msg *, const struct ip *,
+static void xid_map_enter(const struct rpc_msg *, const u_char *);
+static int32_t xid_map_find(const struct rpc_msg *, const u_char *,
u_int32_t *, u_int32_t *);
static void interp_reply(const struct rpc_msg *, u_int32_t, u_int32_t, int);
static const u_int32_t *parse_post_op_attr(const u_int32_t *, int);
static void print_sattr3(const struct nfsv3_sattr *sa3, int verbose);
static int print_int64(const u_int32_t *dp, int how);
+static void print_nfsaddr(const u_char *, const char *, const char *);
/*
* Mapping of old NFS Version 2 RPC numbers to generic numbers.
NFSPROC_NOOP
};
+/*
+ * NFS V2 and V3 status values.
+ *
+ * Some of these come from the RFCs for NFS V2 and V3, with the message
+ * strings taken from the FreeBSD C library "errlst.c".
+ *
+ * Others are errors that are not in the RFC but that I suspect some
+ * NFS servers could return; the values are FreeBSD errno values, as
+ * the first NFS server was the SunOS 2.0 one, and until 5.0 SunOS
+ * was primarily BSD-derived.
+ */
+static struct tok status2str[] = {
+ { 1, "Operation not permitted" }, /* EPERM */
+ { 2, "No such file or directory" }, /* ENOENT */
+ { 5, "Input/output error" }, /* EIO */
+ { 6, "Device not configured" }, /* ENXIO */
+ { 11, "Resource deadlock avoided" }, /* EDEADLK */
+ { 12, "Cannot allocate memory" }, /* ENOMEM */
+ { 13, "Permission denied" }, /* EACCES */
+ { 17, "File exists" }, /* EEXIST */
+ { 18, "Cross-device link" }, /* EXDEV */
+ { 19, "Operation not supported by device" }, /* ENODEV */
+ { 20, "Not a directory" }, /* ENOTDIR */
+ { 21, "Is a directory" }, /* EISDIR */
+ { 22, "Invalid argument" }, /* EINVAL */
+ { 26, "Text file busy" }, /* ETXTBSY */
+ { 27, "File too large" }, /* EFBIG */
+ { 28, "No space left on device" }, /* ENOSPC */
+ { 30, "Read-only file system" }, /* EROFS */
+ { 31, "Too many links" }, /* EMLINK */
+ { 45, "Operation not supported" }, /* EOPNOTSUPP */
+ { 62, "Too many levels of symbolic links" }, /* ELOOP */
+ { 63, "File name too long" }, /* ENAMETOOLONG */
+ { 66, "Directory not empty" }, /* ENOTEMPTY */
+ { 69, "Disc quota exceeded" }, /* EDQUOT */
+ { 70, "Stale NFS file handle" }, /* ESTALE */
+ { 71, "Too many levels of remote in path" }, /* EREMOTE */
+ { 99, "Write cache flushed to disk" }, /* NFSERR_WFLUSH (not used) */
+ { 10001, "Illegal NFS file handle" }, /* NFS3ERR_BADHANDLE */
+ { 10002, "Update synchronization mismatch" }, /* NFS3ERR_NOT_SYNC */
+ { 10003, "READDIR/READDIRPLUS cookie is stale" }, /* NFS3ERR_BAD_COOKIE */
+ { 10004, "Operation not supported" }, /* NFS3ERR_NOTSUPP */
+ { 10005, "Buffer or request is too small" }, /* NFS3ERR_TOOSMALL */
+ { 10006, "Unspecified error on server" }, /* NFS3ERR_SERVERFAULT */
+ { 10007, "Object of that type not supported" }, /* NFS3ERR_BADTYPE */
+ { 10008, "Request couldn't be completed in time" }, /* NFS3ERR_JUKEBOX */
+ { 0, NULL }
+};
+
static struct tok nfsv3_writemodes[] = {
{ 0, "unstable" },
{ 1, "datasync" },
}
#else
switch (how) {
- case SIGNED :
- case UNSIGNED :
- case HEX :
- printf ("0x%x%08x", dp[0], dp[1]);
- break;
- default :
- return (0);
+ case SIGNED:
+ case UNSIGNED:
+ case HEX:
+ printf("0x%x%08x", (u_int32_t)ntohl(dp[0]),
+ (u_int32_t)ntohl(dp[1]));
+ break;
+ default:
+ return (0);
}
#endif
return 1;
}
+static void
+print_nfsaddr(const u_char *bp, const char *s, const char *d)
+{
+ struct ip *ip;
+#ifdef INET6
+ 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)) {
+ case 4:
+ ip = (struct ip *)bp;
+ strlcpy(srcaddr, ipaddr_string(&ip->ip_src), sizeof(srcaddr));
+ strlcpy(dstaddr, ipaddr_string(&ip->ip_dst), sizeof(dstaddr));
+ break;
+#ifdef INET6
+ case 6:
+ ip6 = (struct ip6_hdr *)bp;
+ strlcpy(srcaddr, ip6addr_string(&ip6->ip6_src),
+ sizeof(srcaddr));
+ strlcpy(dstaddr, 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);
+}
+
static const u_int32_t *
parse_sattr3(const u_int32_t *dp, struct nfsv3_sattr *sa3)
{
register const u_char *bp2)
{
register const struct rpc_msg *rp;
- register const struct ip *ip;
u_int32_t proc, vers;
+ char srcid[20], dstid[20]; /*fits 32bit*/
nfserr = 0; /* assume no error */
rp = (const struct rpc_msg *)bp;
- ip = (const struct ip *)bp2;
-
- if (!nflag)
- (void)printf("%s.nfs > %s.%u: reply %s %d",
- ipaddr_string(&ip->ip_src),
- ipaddr_string(&ip->ip_dst),
- (u_int32_t)ntohl(rp->rm_xid),
- ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
- "ok":"ERR",
- length);
- else
- (void)printf("%s.%u > %s.%u: reply %s %d",
- ipaddr_string(&ip->ip_src),
- NFS_PORT,
- ipaddr_string(&ip->ip_dst),
- (u_int32_t)ntohl(rp->rm_xid),
- ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
- "ok":"ERR",
+
+ if (!nflag) {
+ strlcpy(srcid, "nfs", sizeof(srcid));
+ snprintf(dstid, sizeof(dstid), "%u",
+ (u_int32_t)ntohl(rp->rm_xid));
+ } else {
+ snprintf(srcid, sizeof(srcid), "%u", NFS_PORT);
+ snprintf(dstid, sizeof(dstid), "%u",
+ (u_int32_t)ntohl(rp->rm_xid));
+ }
+ print_nfsaddr(bp2, srcid, dstid);
+ (void)printf("reply %s %d",
+ ntohl(rp->rm_reply.rp_stat) == MSG_ACCEPTED?
+ "ok":"ERR",
length);
- if (xid_map_find(rp, ip, &proc, &vers) >= 0)
+ if (xid_map_find(rp, bp2, &proc, &vers) >= 0)
interp_reply(rp, proc, vers, length);
}
register const u_char *bp2)
{
register const struct rpc_msg *rp;
- register const struct ip *ip;
register const u_int32_t *dp;
- nfstype type;
+ nfs_type type;
int v3;
u_int32_t proc;
struct nfsv3_sattr sa3;
+ char srcid[20], dstid[20]; /*fits 32bit*/
nfserr = 0; /* assume no error */
rp = (const struct rpc_msg *)bp;
- ip = (const struct ip *)bp2;
- if (!nflag)
- (void)printf("%s.%u > %s.nfs: %d",
- ipaddr_string(&ip->ip_src),
- (u_int32_t)ntohl(rp->rm_xid),
- ipaddr_string(&ip->ip_dst),
- length);
- else
- (void)printf("%s.%u > %s.%u: %d",
- ipaddr_string(&ip->ip_src),
- (u_int32_t)ntohl(rp->rm_xid),
- ipaddr_string(&ip->ip_dst),
- NFS_PORT,
- length);
+ if (!nflag) {
+ snprintf(srcid, sizeof(srcid), "%u",
+ (u_int32_t)ntohl(rp->rm_xid));
+ strlcpy(dstid, "nfs", sizeof(dstid));
+ } else {
+ snprintf(srcid, sizeof(srcid), "%u",
+ (u_int32_t)ntohl(rp->rm_xid));
+ snprintf(dstid, sizeof(dstid), "%u", NFS_PORT);
+ }
+ print_nfsaddr(bp2, srcid, dstid);
+ (void)printf("%d", length);
- xid_map_enter(rp, ip); /* record proc number for later on */
+ xid_map_enter(rp, bp2); /* record proc number for later on */
v3 = (ntohl(rp->rm_call.cb_vers) == NFS_VER3);
proc = ntohl(rp->rm_call.cb_proc);
if ((dp = parsereq(rp, length)) != NULL &&
(dp = parsefh(dp, v3)) != NULL) {
TCHECK(dp[0]);
- printf(" %04x", (unsigned)ntohl(dp[0]));
+ printf(" %04x", (u_int32_t)ntohl(dp[0]));
return;
}
break;
if ((dp = parsereq(rp, length)) != 0 &&
(dp = parsefhn(dp, v3)) != 0) {
TCHECK(*dp);
- type = (nfstype)ntohl(*dp++);
+ type = (nfs_type)ntohl(*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",
- (unsigned)ntohl(dp[0]),
- (unsigned)ntohl(dp[1]));
+ (u_int32_t)ntohl(dp[0]),
+ (u_int32_t)ntohl(dp[1]));
dp += 2;
}
if (vflag)
/* Make sure string is null-terminated */
strncpy(temp, sfsname, NFSX_V3FHMAX);
+ temp[sizeof(temp) - 1] = '\0';
/* Remove trailing spaces */
sfsname = strchr(temp, ' ');
if (sfsname)
*/
struct xid_map_entry {
- u_int32_t xid; /* transaction ID (net order) */
+ u_int32_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) */
- u_int32_t proc; /* call proc number (host order) */
- u_int32_t vers; /* program version (host order) */
+#endif
+ u_int32_t proc; /* call proc number (host order) */
+ u_int32_t vers; /* program version (host order) */
};
/*
int xid_map_hint = 0;
static void
-xid_map_enter(const struct rpc_msg *rp, const struct ip *ip)
+xid_map_enter(const struct rpc_msg *rp, const u_char *bp)
{
+ struct ip *ip = NULL;
+#ifdef INET6
+ struct ip6_hdr *ip6 = NULL;
+#endif
struct xid_map_entry *xmep;
+ switch (IP_V((struct ip *)bp)) {
+ case 4:
+ ip = (struct ip *)bp;
+ break;
+#ifdef INET6
+ case 6:
+ ip6 = (struct ip6_hdr *)bp;
+ break;
+#endif
+ default:
+ return;
+ }
+
xmep = &xid_map[xid_map_next];
if (++xid_map_next >= XIDMAPSIZE)
xid_map_next = 0;
xmep->xid = rp->rm_xid;
- xmep->client = ip->ip_src;
- xmep->server = ip->ip_dst;
+ 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) {
+ xmep->ipver = 6;
+ memcpy(&xmep->client, &ip6->ip6_src, sizeof(ip6->ip6_src));
+ memcpy(&xmep->server, &ip6->ip6_dst, sizeof(ip6->ip6_dst));
+ }
+#endif
xmep->proc = ntohl(rp->rm_call.cb_proc);
xmep->vers = ntohl(rp->rm_call.cb_vers);
}
* version in vers return, or returns -1 on failure
*/
static int
-xid_map_find(const struct rpc_msg *rp, const struct ip *ip, u_int32_t *proc,
+xid_map_find(const struct rpc_msg *rp, const u_char *bp, u_int32_t *proc,
u_int32_t *vers)
{
int i;
struct xid_map_entry *xmep;
u_int32_t xid = rp->rm_xid;
- u_int32_t clip = ip->ip_dst.s_addr;
- u_int32_t sip = ip->ip_src.s_addr;
+ struct ip *ip = (struct ip *)bp;
+#ifdef INET6
+ struct ip6_hdr *ip6 = (struct ip6_hdr *)bp;
+#endif
+ int cmp;
/* Start searching from where we last left off */
- i = xid_map_hint;
+ i = xid_map_hint;
do {
xmep = &xid_map[i];
- if (xmep->xid == xid && xmep->client.s_addr == clip &&
- xmep->server.s_addr == sip) {
+ cmp = 1;
+ if (xmep->ipver != IP_V(ip) || xmep->xid != xid)
+ goto nextitem;
+ switch (xmep->ipver) {
+ case 4:
+ if (memcmp(&ip->ip_src, &xmep->server,
+ sizeof(ip->ip_src)) != 0 ||
+ 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) {
+ cmp = 0;
+ }
+ break;
+#endif
+ default:
+ cmp = 0;
+ break;
+ }
+ if (cmp) {
/* match */
xid_map_hint = i;
*proc = xmep->proc;
*vers = xmep->vers;
return 0;
}
+ nextitem:
if (++i >= XIDMAPSIZE)
i = 0;
} while (i != xid_map_hint);
*er = errnum;
if (errnum != 0) {
if (!qflag)
- printf(" ERROR: %s", pcap_strerror(errnum));
+ printf(" ERROR: %s",
+ tok2str(status2str, "unk %d", errnum));
nfserr = 1;
return (NULL);
}
TCHECK(dp[2]);
printf(" offset %x size %d ",
- (unsigned)ntohl(dp[0]), (unsigned)ntohl(dp[1]));
+ (u_int32_t)ntohl(dp[0]), (u_int32_t)ntohl(dp[1]));
if (dp[2] != 0)
printf(" eof");
printf(" sz ");
print_int64(dp, UNSIGNED);
printf(" mtime %u.%06u ctime %u.%06u",
- (unsigned)ntohl(dp[2]), (unsigned)ntohl(dp[3]),
- (unsigned)ntohl(dp[4]), (unsigned)ntohl(dp[5]));
+ (u_int32_t)ntohl(dp[2]), (u_int32_t)ntohl(dp[3]),
+ (u_int32_t)ntohl(dp[4]), (u_int32_t)ntohl(dp[5]));
return (dp + 6);
}
if (!(dp = parse_post_op_attr(dp, vflag)))
break;
if (!er)
- printf(" c %04x", (unsigned)ntohl(dp[0]));
+ printf(" c %04x", (u_int32_t)ntohl(dp[0]));
return;
case NFSPROC_READLINK:
projects / tcpdump / blobdiff