X-Git-Url: https://git.tcpdump.org/tcpdump/blobdiff_plain/ce26a5daa51033b73694d44d37d4dbcf162a0439..3ece7fe0f6601c846a38d4098e438ef720ddd108:/print-nfs.c diff --git a/print-nfs.c b/print-nfs.c index 0dbc5564..b02438be 100644 --- a/print-nfs.c +++ b/print-nfs.c @@ -21,32 +21,17 @@ #ifndef lint static const char rcsid[] = - "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.79 2000-07-16 14:32:48 itojun Exp $ (LBL)"; + "@(#) $Header: /tcpdump/master/tcpdump/print-nfs.c,v 1.95 2002-08-01 08:53:21 risso Exp $ (LBL)"; #endif #ifdef HAVE_CONFIG_H #include "config.h" #endif -#include -#include -#include - -struct mbuf; -struct rtentry; -#include - -#include -#include -#include -#include -#ifdef INET6 -#include -#endif +#include #include -#include #include #include #include @@ -57,6 +42,11 @@ struct rtentry; #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 u_char *); static int32_t xid_map_find(const struct rpc_msg *, const u_char *, @@ -99,6 +89,55 @@ u_int32_t nfsv3_procid[NFS_NPROCS] = { 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" }, @@ -124,7 +163,7 @@ static struct tok type2str[] = { * * Assume that a system that has INT64_FORMAT defined, has a 64-bit * integer datatype and can print it. - */ + */ #define UNSIGNED 0 #define SIGNED 1 @@ -179,7 +218,7 @@ print_nfsaddr(const u_char *bp, const char *s, const char *d) #endif srcaddr[0] = dstaddr[0] = '\0'; - switch (((struct ip *)bp)->ip_v) { + switch (IP_V((struct ip *)bp)) { case 4: ip = (struct ip *)bp; strlcpy(srcaddr, ipaddr_string(&ip->ip_src), sizeof(srcaddr)); @@ -407,7 +446,7 @@ nfsreq_print(register const u_char *bp, u_int length, { register const struct rpc_msg *rp; register const u_int32_t *dp; - nfstype type; + nfs_type type; int v3; u_int32_t proc; struct nfsv3_sattr sa3; @@ -561,7 +600,7 @@ nfsreq_print(register const u_char *bp, u_int length, 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)); @@ -669,10 +708,16 @@ nfsreq_print(register const u_char *bp, u_int length, 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: @@ -709,9 +754,10 @@ nfs_printfh(register const u_int32_t *dp, const u_int len) { my_fsid fsid; ino_t ino; - char *sfsname = NULL; + const char *sfsname = NULL; + char *spacep; - Parse_fh((caddr_t*)dp, len, &fsid, &ino, NULL, &sfsname, 0); + Parse_fh((const u_char *)dp, len, &fsid, &ino, NULL, &sfsname, 0); if (sfsname) { /* file system ID is ASCII, not numeric, for this server OS */ @@ -721,9 +767,9 @@ nfs_printfh(register const u_int32_t *dp, const u_int len) strncpy(temp, sfsname, NFSX_V3FHMAX); temp[sizeof(temp) - 1] = '\0'; /* Remove trailing spaces */ - sfsname = strchr(temp, ' '); - if (sfsname) - *sfsname = 0; + spacep = strchr(temp, ' '); + if (spacep) + *spacep = '\0'; (void)printf(" fh %s/", temp); } else { @@ -732,7 +778,7 @@ nfs_printfh(register const u_int32_t *dp, const u_int len) } if(fsid.Fsid_dev.Minor == 257 && uflag) - /* Print the undecoded handle */ + /* Print the undecoded handle */ (void)printf("%s", fsid.Opaque_Handle); else (void)printf("%ld", (long) ino); @@ -780,7 +826,7 @@ xid_map_enter(const struct rpc_msg *rp, const u_char *bp) #endif struct xid_map_entry *xmep; - switch (((struct ip *)bp)->ip_v) { + switch (IP_V((struct ip *)bp)) { case 4: ip = (struct ip *)bp; break; @@ -833,11 +879,11 @@ xid_map_find(const struct rpc_msg *rp, const u_char *bp, u_int32_t *proc, int cmp; /* Start searching from where we last left off */ - i = xid_map_hint; + i = xid_map_hint; do { xmep = &xid_map[i]; cmp = 1; - if (xmep->ipver != ip->ip_v || xmep->xid != xid) + if (xmep->ipver != IP_V(ip) || xmep->xid != xid) goto nextitem; switch (xmep->ipver) { case 4: @@ -977,9 +1023,9 @@ parsestatus(const u_int32_t *dp, int *er) *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); } return (dp + 1); trunc: @@ -1061,8 +1107,10 @@ parseattrstat(const u_int32_t *dp, int verbose, int v3) int er; dp = parsestatus(dp, &er); - if (dp == NULL || er) + if (dp == NULL) return (0); + if (er) + return (1); return (parsefattr(dp, verbose, v3) != NULL); } @@ -1072,8 +1120,10 @@ parsediropres(const u_int32_t *dp) { int er; - if (!(dp = parsestatus(dp, &er)) || er) + if (!(dp = parsestatus(dp, &er))) return (0); + if (er) + return (1); dp = parsefh(dp, 0); if (dp == NULL) @@ -1088,8 +1138,10 @@ parselinkres(const u_int32_t *dp, int v3) int er; dp = parsestatus(dp, &er); - if (dp == NULL || er) + if (dp == NULL) return(0); + if (er) + return(1); if (v3 && !(dp = parse_post_op_attr(dp, vflag))) return (0); putchar(' '); @@ -1103,8 +1155,10 @@ parsestatfs(const u_int32_t *dp, int v3) int er; dp = parsestatus(dp, &er); - if (dp == NULL || (!v3 && er)) + if (dp == NULL) return (0); + if (!v3 && er) + return (1); if (qflag) return(1); @@ -1116,7 +1170,7 @@ parsestatfs(const u_int32_t *dp, int v3) return (0); } - TCHECK2(dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS)); + TCHECK2(*dp, (v3 ? NFSX_V3STATFS : NFSX_V2STATFS)); sfsp = (const struct nfs_statfs *)dp; @@ -1157,8 +1211,10 @@ parserddires(const u_int32_t *dp) int er; dp = parsestatus(dp, &er); - if (dp == 0 || er) + if (dp == NULL) return (0); + if (er) + return (1); if (qflag) return (1); @@ -1194,7 +1250,7 @@ parse_pre_op_attr(const u_int32_t *dp, int verbose) if (!ntohl(dp[0])) return (dp + 1); dp++; - TCHECK2(dp, 24); + TCHECK2(*dp, 24); if (verbose > 1) { return parse_wcc_attr(dp); } else { @@ -1331,9 +1387,9 @@ parsefsinfo(const u_int32_t *dp) (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_sec), (u_int32_t) ntohl(sfp->fs_timedelta.nfsv3_nsec)); } - return (0); -trunc: return (1); +trunc: + return (0); } static int @@ -1361,9 +1417,9 @@ parsepathconf(const u_int32_t *dp) ntohl(spp->pc_chownrestricted) ? "chownres" : "", ntohl(spp->pc_caseinsensitive) ? "igncase" : "", ntohl(spp->pc_casepreserving) ? "keepcase" : ""); - return (0); -trunc: return (1); +trunc: + return (0); } static void @@ -1439,7 +1495,8 @@ interp_reply(const struct rpc_msg *rp, u_int32_t proc, u_int32_t vers, int lengt case NFSPROC_ACCESS: printf(" access"); - dp = parserep(rp, length); + if (!(dp = parserep(rp, length))) + break; if (!(dp = parsestatus(dp, &er))) break; if (vflag)