static Renode *parsecat(struct cstate *g)
{
Renode *cat, *x;
if (g->lookahead && g->lookahead != '|' && g->lookahead != ')') {
cat = parserep(g);
while (g->lookahead && g->lookahead != '|' && g->lookahead != ')') {
x = cat;
cat = newnode(g, P_CAT);
cat->x = x;
cat->y = parserep(g);
}
return cat;
}
return NULL;
}
static Renode *parsecat(void)
{
Renode *cat, *x;
if (g.lookahead && g.lookahead != '|' && g.lookahead != ')') {
cat = parserep();
while (g.lookahead && g.lookahead != '|' && g.lookahead != ')') {
x = cat;
cat = newnode(P_CAT);
cat->x = x;
cat->y = parserep();
}
return cat;
}
return NULL;
}
static void
interp_reply(netdissect_options *ndo,
const struct sunrpc_msg *rp, uint32_t proc, uint32_t vers, int length)
{
const uint32_t *dp;
int v3;
u_int er;
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_GETATTR:
dp = parserep(ndo, rp, length);
if (dp != NULL && parseattrstat(ndo, dp, !ndo->ndo_qflag, v3) != 0)
return;
break;
case NFSPROC_SETATTR:
if (!(dp = parserep(ndo, rp, length)))
return;
if (v3) {
if (parsewccres(ndo, dp, ndo->ndo_vflag))
return;
} else {
if (parseattrstat(ndo, dp, !ndo->ndo_qflag, 0) != 0)
return;
}
break;
case NFSPROC_LOOKUP:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (er) {
if (ndo->ndo_vflag > 1) {
ND_PRINT(" post dattr:");
dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
}
} else {
if (!(dp = parsefh(ndo, dp, v3)))
break;
if ((dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)) &&
ndo->ndo_vflag > 1) {
ND_PRINT(" post dattr:");
dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag);
}
}
if (dp)
return;
} else {
if (parsediropres(ndo, dp) != 0)
return;
}
break;
case NFSPROC_ACCESS:
if (!(dp = parserep(ndo, rp, length)))
break;
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (ndo->ndo_vflag)
ND_PRINT(" attr:");
if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
if (!er) {
ND_TCHECK_4(dp);
ND_PRINT(" c %04x", EXTRACT_BE_U_4(dp));
}
return;
case NFSPROC_READLINK:
dp = parserep(ndo, rp, length);
if (dp != NULL && parselinkres(ndo, dp, v3) != 0)
return;
break;
case NFSPROC_READ:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
if (er)
return;
if (ndo->ndo_vflag) {
ND_TCHECK_4(dp + 1);
ND_PRINT(" %u bytes", EXTRACT_BE_U_4(dp));
if (EXTRACT_BE_U_4(dp + 1))
ND_PRINT(" EOF");
}
return;
} else {
if (parseattrstat(ndo, dp, ndo->ndo_vflag, 0) != 0)
return;
}
break;
case NFSPROC_WRITE:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
if (er)
return;
if (ndo->ndo_vflag) {
ND_TCHECK_4(dp);
ND_PRINT(" %u bytes", EXTRACT_BE_U_4(dp));
if (ndo->ndo_vflag > 1) {
ND_TCHECK_4(dp + 1);
ND_PRINT(" <%s>",
tok2str(nfsv3_writemodes,
NULL, EXTRACT_BE_U_4(dp + 1)));
}
return;
}
} else {
if (parseattrstat(ndo, dp, ndo->ndo_vflag, v3) != 0)
return;
}
break;
case NFSPROC_CREATE:
case NFSPROC_MKDIR:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
if (parsediropres(ndo, dp) != 0)
return;
}
break;
case NFSPROC_SYMLINK:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (parsecreateopres(ndo, dp, ndo->ndo_vflag) != NULL)
return;
} else {
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) != NULL)
return;
break;
case NFSPROC_REMOVE:
case NFSPROC_RMDIR:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (parsewccres(ndo, dp, ndo->ndo_vflag))
return;
} else {
if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
case NFSPROC_RENAME:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (ndo->ndo_vflag) {
ND_PRINT(" from:");
if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
ND_PRINT(" to:");
if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
}
return;
} else {
if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
case NFSPROC_LINK:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(ndo, dp, &er)))
break;
if (ndo->ndo_vflag) {
ND_PRINT(" file POST:");
if (!(dp = parse_post_op_attr(ndo, dp, ndo->ndo_vflag)))
break;
ND_PRINT(" dir:");
if (!(dp = parse_wcc_data(ndo, dp, ndo->ndo_vflag)))
break;
return;
}
} else {
if (parsestatus(ndo, dp, &er) != NULL)
return;
}
break;
case NFSPROC_READDIR:
if (!(dp = parserep(ndo, rp, length)))
break;
if (v3) {
if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
return;
} else {
if (parserddires(ndo, dp) != 0)
return;
}
break;
case NFSPROC_READDIRPLUS:
if (!(dp = parserep(ndo, rp, length)))
break;
if (parsev3rddirres(ndo, dp, ndo->ndo_vflag))
return;
break;
case NFSPROC_FSSTAT:
dp = parserep(ndo, rp, length);
if (dp != NULL && parsestatfs(ndo, dp, v3) != 0)
return;
break;
case NFSPROC_FSINFO:
dp = parserep(ndo, rp, length);
if (dp != NULL && parsefsinfo(ndo, dp) != 0)
return;
break;
case NFSPROC_PATHCONF:
dp = parserep(ndo, rp, length);
if (dp != NULL && parsepathconf(ndo, dp) != 0)
return;
break;
case NFSPROC_COMMIT:
dp = parserep(ndo, rp, length);
if (dp != NULL && parsewccres(ndo, dp, ndo->ndo_vflag) != 0)
return;
break;
default:
return;
}
trunc:
if (!nfserr)
ND_PRINT("%s", tstr);
}
static void
interp_reply(const struct sunrpc_msg *rp, u_int32_t proc, u_int32_t vers, int length)
{
register const u_int32_t *dp;
register int v3;
int er;
v3 = (vers == NFS_VER3);
if (!v3 && proc < NFS_NPROCS)
proc = nfsv3_procid[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;
break;
case NFSPROC_SETATTR:
printf(" setattr");
if (!(dp = parserep(rp, length)))
return;
if (v3) {
if (parsewccres(dp, vflag))
return;
} else {
if (parseattrstat(dp, !qflag, 0) != 0)
return;
}
break;
case NFSPROC_LOOKUP:
printf(" lookup");
if (!(dp = parserep(rp, length)))
break;
if (v3) {
if (!(dp = parsestatus(dp, &er)))
break;
if (er) {
if (vflag > 1) {
printf(" post dattr:");
dp = parse_post_op_attr(dp, vflag);
}
} 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);
}
}
if (dp)
return;
} else {
if (parsediropres(dp) != 0)
return;
}
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;
case NFSPROC_READLINK:
printf(" readlink");
dp = parserep(rp, length);
if (dp != NULL && parselinkres(dp, v3) != 0)
return;
break;
case NFSPROC_READ:
printf(" read");
if (!(dp = parserep(rp, length)))
break;
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");
}
return;
} else {
if (parseattrstat(dp, vflag, 0) != 0)
return;
}
break;
case NFSPROC_WRITE:
printf(" write");
if (!(dp = parserep(rp, length)))
break;
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])));
}
return;
}
} else {
if (parseattrstat(dp, vflag, v3) != 0)
return;
}
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;
if (v3) {
if (parsecreateopres(dp, vflag) != 0)
return;
} else {
if (parsediropres(dp) != 0)
return;
}
break;
case NFSPROC_SYMLINK:
printf(" symlink");
if (!(dp = parserep(rp, length)))
break;
if (v3) {
if (parsecreateopres(dp, vflag) != 0)
return;
} else {
if (parsestatus(dp, &er) != 0)
return;
}
break;
case NFSPROC_MKNOD:
printf(" mknod");
if (!(dp = parserep(rp, length)))
break;
if (parsecreateopres(dp, vflag) != 0)
return;
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;
if (v3) {
if (parsewccres(dp, vflag))
return;
} else {
if (parsestatus(dp, &er) != 0)
return;
}
break;
case NFSPROC_RENAME:
printf(" rename");
if (!(dp = parserep(rp, length)))
break;
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;
}
return;
} else {
if (parsestatus(dp, &er) != 0)
return;
}
break;
case NFSPROC_LINK:
printf(" link");
if (!(dp = parserep(rp, length)))
break;
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;
}
} else {
if (parsestatus(dp, &er) != 0)
return;
}
break;
case NFSPROC_READDIR:
printf(" readdir");
if (!(dp = parserep(rp, length)))
break;
if (v3) {
if (parsev3rddirres(dp, vflag))
return;
} else {
if (parserddires(dp) != 0)
return;
}
break;
case NFSPROC_READDIRPLUS:
printf(" readdirplus");
if (!(dp = parserep(rp, length)))
break;
if (parsev3rddirres(dp, vflag))
return;
break;
case NFSPROC_FSSTAT:
printf(" fsstat");
dp = parserep(rp, length);
if (dp != NULL && parsestatfs(dp, v3) != 0)
return;
break;
case NFSPROC_FSINFO:
printf(" fsinfo");
dp = parserep(rp, length);
if (dp != NULL && parsefsinfo(dp) != 0)
return;
break;
case NFSPROC_PATHCONF:
printf(" pathconf");
dp = parserep(rp, length);
if (dp != NULL && parsepathconf(dp) != 0)
return;
break;
case NFSPROC_COMMIT:
printf(" commit");
dp = parserep(rp, length);
if (dp != NULL && parsewccres(dp, vflag) != 0)
return;
break;
default:
printf(" proc-%u", proc);
return;
}
trunc:
if (!nfserr)
printf("%s", tstr);
}