/* packet-portmap.c
* Routines for portmap dissection
*
- * $Id: packet-portmap.c,v 1.3 1999/11/10 22:43:53 nneul Exp $
+ * $Id: packet-portmap.c,v 1.13 2000/03/12 04:47:48 gram Exp $
*
* Ethereal - Network traffic analyzer
- * By Gerald Combs <gerald@unicom.net>
+ * By Gerald Combs <gerald@zing.org>
* Copyright 1998 Gerald Combs
*
* Copied from packet-smb.c
#include "packet-rpc.h"
#include "packet-portmap.h"
+
static int proto_portmap = -1;
static int hf_portmap_proto = -1;
static int hf_portmap_prog = -1;
static int hf_portmap_proc = -1;
static int hf_portmap_version = -1;
static int hf_portmap_port = -1;
+static int hf_portmap_answer = -1;
+static int hf_portmap_rpcb = -1;
+static int hf_portmap_rpcb_prog = -1;
+static int hf_portmap_rpcb_version = -1;
+static int hf_portmap_rpcb_netid = -1;
+static int hf_portmap_rpcb_addr = -1;
+static int hf_portmap_rpcb_owner = -1;
+static int hf_portmap_uaddr = -1;
+static int hf_portmap_value_follows = -1;
+
+
+static gint ett_portmap = -1;
+static gint ett_portmap_rpcb = -1;
+static gint ett_portmap_entry = -1;
+
+
+static struct true_false_string yesno = { "Yes", "No" };
+
/* Dissect a getport call */
int dissect_getport_call(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
{
guint32 proto;
- if ( !BYTES_ARE_IN_FRAME(offset, 12)) return offset;
+ guint32 prog;
+ if ( !BYTES_ARE_IN_FRAME(offset, 16)) return offset;
if ( tree )
{
- proto_tree_add_item(tree, hf_portmap_prog,
- offset, 4, pntohl(&pd[offset+0]));
+ prog = pntohl(&pd[offset+0]);
+ proto_tree_add_uint_format(tree, hf_portmap_prog,
+ offset, 4, prog, "Program: %s (%u)",
+ rpc_prog_name(prog), prog);
proto_tree_add_item(tree, hf_portmap_version,
offset+4, 4, pntohl(&pd[offset+4]));
proto = pntohl(&pd[offset+8]);
- proto_tree_add_item_format(tree, hf_portmap_proto,
- offset+8, 4, proto, "Proto: %s (%d)", ipprotostr(proto), proto);
+ proto_tree_add_uint_format(tree, hf_portmap_proto,
+ offset+8, 4, proto, "Proto: %s (%u)", ipprotostr(proto), proto);
+
+ proto_tree_add_item(tree, hf_portmap_port,
+ offset+12, 4, pntohl(&pd[offset+12]));
}
- return offset+12;
+ return offset+16;
}
int dissect_getport_reply(const u_char *pd, int offset, frame_data *fd,
proto_tree *tree)
{
- return offset;
+ if ( !BYTES_ARE_IN_FRAME(offset, 4)) return offset;
+ if ( tree )
+ {
+ proto_tree_add_item(tree, hf_portmap_port,
+ offset, 4, pntohl(&pd[offset+0]));
+ }
+ return offset+=4;
}
/* Dissect a 'set' call */
proto_tree *tree)
{
guint32 proto;
+ guint32 prog;
if ( !BYTES_ARE_IN_FRAME(offset, 16)) return offset;
if ( tree )
{
- proto_tree_add_item(tree, hf_portmap_prog,
- offset, 4, pntohl(&pd[offset+0]));
+ prog = pntohl(&pd[offset+0]);
+ proto_tree_add_uint_format(tree, hf_portmap_prog,
+ offset, 4, prog, "Program: %s (%d)",
+ rpc_prog_name(prog), prog);
proto_tree_add_item(tree, hf_portmap_version,
offset+4, 4, pntohl(&pd[offset+4]));
proto = pntohl(&pd[offset+8]);
- proto_tree_add_item_format(tree, hf_portmap_proto,
+ proto_tree_add_uint_format(tree, hf_portmap_proto,
offset+8, 4, proto, "Proto: %s (%d)", ipprotostr(proto), proto);
proto_tree_add_item(tree, hf_portmap_port,
proto_tree *tree)
{
guint32 proto;
+ guint32 prog;
if ( !BYTES_ARE_IN_FRAME(offset, 16)) return offset;
if ( tree )
{
- proto_tree_add_item(tree, hf_portmap_prog,
- offset, 4, pntohl(&pd[offset+0]));
+ prog = pntohl(&pd[offset+0]);
+ proto_tree_add_uint_format(tree, hf_portmap_prog,
+ offset, 4, prog, "Program: %s (%d)",
+ rpc_prog_name(prog), prog);
proto_tree_add_item(tree, hf_portmap_version,
offset+4, 4, pntohl(&pd[offset+4]));
return offset+16;
}
+int dissect_set_reply(const u_char *pd, int offset, frame_data *fd,
+ proto_tree *tree)
+{
+ if ( tree )
+ {
+ if ( !BYTES_ARE_IN_FRAME(offset, 4)) return offset;
+
+ proto_tree_add_item(tree, hf_portmap_answer,
+ offset, 4, pntohl(&pd[offset+0]));
+ offset += 4;
+ }
+ return offset;
+}
+
+int dissect_dump_reply(const u_char *pd, int offset, frame_data *fd,
+ proto_tree *tree)
+{
+ int prog, version, proto, port, value_follows;
+ proto_item *ti, *subtree;
+
+ while ( BYTES_ARE_IN_FRAME(offset, 4) )
+ {
+ value_follows = pntohl(&pd[offset+0]);
+ if ( tree )
+ {
+ proto_tree_add_item(tree, hf_portmap_value_follows,
+ offset, 4, value_follows);
+ }
+ offset += 4;
+
+ if ( value_follows )
+ {
+ if ( ! BYTES_ARE_IN_FRAME(offset, 16) )
+ {
+ break;
+ }
+ prog = pntohl(&pd[offset+0]);
+ version = pntohl(&pd[offset+4]);
+ proto = pntohl(&pd[offset+8]);
+ port = pntohl(&pd[offset+12]);
+
+ if ( tree )
+ {
+ ti = proto_tree_add_text(tree, offset, 16, "Map Entry: %s (%u) V%d",
+ rpc_prog_name(prog), prog, version);
+ subtree = proto_item_add_subtree(ti, ett_portmap_entry);
+
+ proto_tree_add_uint_format(subtree, hf_portmap_prog,
+ offset+0, 4, prog,
+ "Program: %s (%u)", rpc_prog_name(prog), prog);
+ proto_tree_add_item(subtree, hf_portmap_version,
+ offset+4, 4, version);
+ proto_tree_add_uint_format(subtree, hf_portmap_proto,
+ offset+8, 4, proto,
+ "Protocol: %s (0x%02x)", ipprotostr(proto), proto);
+ proto_tree_add_item(subtree, hf_portmap_port,
+ offset+12, 4, port);
+ }
+ offset += 16;
+ }
+ }
+ return offset;
+}
/* proc number, "proc name", dissect_request, dissect_reply */
/* NULL as function pointer means: take the generic one. */
{ PORTMAPPROC_NULL, "NULL",
NULL, NULL },
{ PORTMAPPROC_SET, "SET",
- dissect_set_call, NULL },
+ dissect_set_call, dissect_set_reply },
{ PORTMAPPROC_UNSET, "UNSET",
- dissect_unset_call, NULL },
+ dissect_unset_call, dissect_set_reply },
{ PORTMAPPROC_GETPORT, "GETPORT",
dissect_getport_call, dissect_getport_reply },
{ PORTMAPPROC_DUMP, "DUMP",
- NULL, NULL },
+ NULL, dissect_dump_reply },
{ PORTMAPPROC_CALLIT, "CALLIT",
NULL, NULL },
{ 0, NULL, NULL, NULL }
/* end of Portmap version 2 */
+/* RFC 1833, Page 3 */
+int dissect_rpcb(const u_char *pd, int offset, frame_data *fd, proto_tree *tree, int hfindex)
+{
+ proto_item* rpcb_item = NULL;
+ proto_tree* rpcb_tree = NULL;
+ int old_offset = offset;
+ guint32 prog;
+ guint32 version;
+
+ if (tree) {
+ rpcb_item = proto_tree_add_item(tree, hfindex,
+ offset+0, END_OF_FRAME, NULL);
+ if (rpcb_item)
+ rpcb_tree = proto_item_add_subtree(rpcb_item, ett_portmap_rpcb);
+ }
+
+ if (!BYTES_ARE_IN_FRAME(offset, 4)) return offset;
+ prog = EXTRACT_UINT(pd, offset + 0);
+ if (rpcb_tree)
+ proto_tree_add_uint_format(rpcb_tree, hf_portmap_rpcb_prog,
+ offset+0, 4, prog,
+ "Program: %s (%u)", rpc_prog_name(prog), prog);
+ offset += 4;
+
+ if (!BYTES_ARE_IN_FRAME(offset, 4)) return offset;
+ version = EXTRACT_UINT(pd, offset + 0);
+ if (rpcb_tree)
+ proto_tree_add_item(rpcb_tree, hf_portmap_rpcb_version,
+ offset+0, 4, version);
+ offset += 4;
+
+ offset = dissect_rpc_string(pd, offset, fd, rpcb_tree, hf_portmap_rpcb_netid,NULL);
+ offset = dissect_rpc_string(pd, offset, fd, rpcb_tree, hf_portmap_rpcb_addr,NULL);
+ offset = dissect_rpc_string(pd, offset, fd, rpcb_tree, hf_portmap_rpcb_owner,NULL);
+
+ /* now we know, that rpcb is shorter */
+ if (rpcb_item) {
+ proto_item_set_len(rpcb_item, offset - old_offset);
+ }
+
+ return offset;
+}
+
+
+
+/* RFC 1833, Page 7 */
+int dissect_rpcb3_getaddr_call(const u_char *pd, int offset, frame_data *fd,
+ proto_tree *tree)
+{
+ offset = dissect_rpcb(pd, offset, fd, tree, hf_portmap_rpcb);
+
+ return offset;
+}
+
+
+/* RFC 1833, Page 7 */
+int dissect_rpcb3_getaddr_reply(const u_char *pd, int offset, frame_data *fd,
+ proto_tree *tree)
+{
+ offset = dissect_rpc_string(pd, offset, fd, tree, hf_portmap_uaddr,NULL);
+
+ return offset;
+}
+
+
+/* RFC 1833, Page 7 */
+int dissect_rpcb3_dump_reply(const u_char *pd, int offset, frame_data *fd,
+ proto_tree *tree)
+{
+ guint32 value_follows;
+
+ while (1) {
+ if (!BYTES_ARE_IN_FRAME(offset,4)) break;
+ value_follows = EXTRACT_UINT(pd, offset+0);
+ proto_tree_add_item(tree,hf_portmap_value_follows,
+ offset+0, 4, value_follows);
+ offset += 4;
+ if (value_follows == 1) {
+ offset = dissect_rpcb(pd, offset, fd, tree, hf_portmap_rpcb);
+ }
+ else {
+ break;
+ }
+ }
+
+ return offset;
+}
+
+
+/* Portmapper version 3, RFC 1833, Page 7 */
+const vsff portmap3_proc[] = {
+ { RPCBPROC_NULL, "NULL",
+ NULL, NULL },
+ { RPCBPROC_SET, "SET",
+ NULL, NULL },
+ { RPCBPROC_UNSET, "UNSET",
+ NULL, NULL },
+ { RPCBPROC_GETADDR, "GETADDR",
+ dissect_rpcb3_getaddr_call, dissect_rpcb3_getaddr_reply},
+ { RPCBPROC_DUMP, "DUMP",
+ NULL, dissect_rpcb3_dump_reply },
+ { RPCBPROC_CALLIT, "CALLIT",
+ NULL, NULL },
+ { RPCBPROC_GETTIME, "GETTIME",
+ NULL, NULL },
+ { RPCBPROC_UADDR2TADDR, "UADDR2TADDR",
+ NULL, NULL },
+ { RPCBPROC_TADDR2UADDR, "TADDR2UADDR",
+ NULL, NULL },
+ { 0, NULL, NULL, NULL }
+};
+/* end of Portmap version 3 */
+
+
+/* Portmapper version 4, RFC 1833, Page 8 */
+const vsff portmap4_proc[] = {
+ { RPCBPROC_NULL, "NULL",
+ NULL, NULL },
+ { RPCBPROC_SET, "SET",
+ NULL, NULL },
+ { RPCBPROC_UNSET, "UNSET",
+ NULL, NULL },
+ { RPCBPROC_GETADDR, "GETADDR",
+ dissect_rpcb3_getaddr_call, dissect_rpcb3_getaddr_reply},
+ { RPCBPROC_DUMP, "DUMP",
+ NULL, dissect_rpcb3_dump_reply },
+ { RPCBPROC_BCAST, "BCAST",
+ NULL, NULL },
+ { RPCBPROC_GETTIME, "GETTIME",
+ NULL, NULL },
+ { RPCBPROC_UADDR2TADDR, "UADDR2TADDR",
+ NULL, NULL },
+ { RPCBPROC_TADDR2UADDR, "TADDR2UADDR",
+ NULL, NULL },
+ { RPCBPROC_GETVERSADDR, "GETVERSADDR",
+ NULL, NULL },
+ { RPCBPROC_INDIRECT, "INDIRECT",
+ NULL, NULL },
+ { RPCBPROC_GETADDRLIST, "GETADDRLIST",
+ NULL, NULL },
+ { RPCBPROC_GETSTAT, "GETSTAT",
+ NULL, NULL },
+ { 0, NULL, NULL, NULL }
+};
+/* end of Portmap version 4 */
+
void
proto_register_portmap(void)
{
{ &hf_portmap_version, {
"Version", "portmap.version", FT_UINT32, BASE_DEC,
NULL, 0, "Version" }},
+ { &hf_portmap_answer, {
+ "Answer", "portmap.answer", FT_BOOLEAN, BASE_DEC,
+ NULL, 0, "Answer" }},
+ { &hf_portmap_rpcb, {
+ "RPCB", "portmap.rpcb", FT_NONE, 0,
+ NULL, 0, "RPCB" }},
+ { &hf_portmap_rpcb_prog, {
+ "Program", "portmap.rpcb.prog", FT_UINT32, BASE_DEC,
+ NULL, 0, "Program" }},
+ { &hf_portmap_rpcb_version, {
+ "Version", "portmap.rpcb.version", FT_UINT32, BASE_DEC,
+ NULL, 0, "Version" }},
+ { &hf_portmap_rpcb_netid, {
+ "Network Id", "portmap.rpcb.netid", FT_STRING, BASE_DEC,
+ NULL, 0, "Network Id" }},
+ { &hf_portmap_rpcb_addr, {
+ "Universal Address", "portmap.rpcb.addr", FT_STRING, BASE_DEC,
+ NULL, 0, "Universal Address" }},
+ { &hf_portmap_rpcb_owner, {
+ "Owner of this Service", "portmap.rpcb.owner", FT_STRING, BASE_DEC,
+ NULL, 0, "Owner of this Service" }},
+ { &hf_portmap_uaddr, {
+ "Universal Address", "portmap.uaddr", FT_STRING, BASE_DEC,
+ NULL, 0, "Universal Address" }},
+ { &hf_portmap_value_follows, {
+ "Value Follows", "portmap.value_follows", FT_BOOLEAN, BASE_NONE,
+ &yesno, 0, "Value Follows" }},
+ };
+ static gint *ett[] = {
+ &ett_portmap,
+ &ett_portmap_rpcb,
+ &ett_portmap_entry
};
proto_portmap = proto_register_protocol("Portmap", "portmap");
proto_register_field_array(proto_portmap, hf, array_length(hf));
+ proto_register_subtree_array(ett, array_length(ett));
/* Register the protocol as RPC */
- rpc_init_prog(proto_portmap, PORTMAP_PROGRAM, ETT_PORTMAP);
+ rpc_init_prog(proto_portmap, PORTMAP_PROGRAM, ett_portmap);
/* Register the procedure tables */
rpc_init_proc_table(PORTMAP_PROGRAM, 1, portmap1_proc);
rpc_init_proc_table(PORTMAP_PROGRAM, 2, portmap2_proc);
+ rpc_init_proc_table(PORTMAP_PROGRAM, 3, portmap3_proc);
+ rpc_init_proc_table(PORTMAP_PROGRAM, 4, portmap4_proc);
}
-
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