Decode SMB requests inside NetBIOS Datagram Service packets.
svn path=/trunk/; revision=269
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@ -4,7 +4,7 @@
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* Gilbert Ramirez <gram@verdict.uthscsa.edu>
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* Much stuff added by Guy Harris <guy@netapp.com>
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*
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* $Id: packet-nbns.c,v 1.17 1999/05/10 20:02:57 guy Exp $
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* $Id: packet-nbns.c,v 1.18 1999/05/10 21:50:13 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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@ -981,7 +981,8 @@ struct nbdgm_header {
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};
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void
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dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree,
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int max_data)
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{
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proto_tree *nbdgm_tree;
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proto_item *ti;
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@ -1073,6 +1074,7 @@ dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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header.src_port);
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offset += 10;
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max_data -= 10;
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if (header.msg_type == 0x10 ||
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header.msg_type == 0x11 || header.msg_type == 0x12) {
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@ -1083,6 +1085,7 @@ dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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"Packet offset: %d bytes", header.pkt_offset);
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offset += 4;
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max_data -= 4;
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/* Source name */
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len = get_nbns_name(&pd[offset], pd, offset, name);
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@ -1090,6 +1093,7 @@ dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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proto_tree_add_item(nbdgm_tree, offset, len, "Source name: %s",
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name);
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offset += len;
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max_data -= len;
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/* Destination name */
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len = get_nbns_name(&pd[offset], pd, offset, name);
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@ -1097,9 +1101,10 @@ dissect_nbdgm(const u_char *pd, int offset, frame_data *fd, proto_tree *tree)
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proto_tree_add_item(nbdgm_tree, offset, len, "Destination name: %s",
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name);
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offset += len;
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max_data -= len;
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/* here we can pass the packet off to the next protocol */
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dissect_data(pd, offset, fd, nbdgm_tree);
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dissect_smb(pd, offset, fd, nbdgm_tree, max_data);
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}
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else if (header.msg_type == 0x13) {
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proto_tree_add_item(nbdgm_tree, offset, 1, "Error code: %s",
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@ -1,7 +1,7 @@
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/* packet-udp.c
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* Routines for UDP packet disassembly
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*
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* $Id: packet-udp.c,v 1.14 1999/03/23 03:14:45 gram Exp $
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* $Id: packet-udp.c,v 1.15 1999/05/10 21:50:12 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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@ -44,6 +44,8 @@
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#include "packet.h"
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#include "resolv.h"
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extern packet_info pi;
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/* UDP structs and definitions */
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typedef struct _e_udphdr {
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@ -160,6 +162,7 @@ dissect_udp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
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struct hash_struct *dissect_routine = NULL;
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proto_tree *udp_tree;
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proto_item *ti;
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guint payload;
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/* To do: Check for {cap len,pkt len} < struct len */
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/* Avoids alignment problems on many architectures. */
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@ -169,6 +172,8 @@ dissect_udp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
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uh_ulen = ntohs(uh.uh_ulen);
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uh_sum = ntohs(uh.uh_sum);
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payload = pi.payload - sizeof(e_udphdr);
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if (check_col(fd, COL_PROTOCOL))
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col_add_str(fd, COL_PROTOCOL, "UDP");
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if (check_col(fd, COL_INFO))
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@ -214,7 +219,7 @@ dissect_udp(const u_char *pd, int offset, frame_data *fd, proto_tree *tree) {
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dissect_nbns(pd, offset, fd, tree);
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break;
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case UDP_PORT_NBDGM:
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dissect_nbdgm(pd, offset, fd, tree);
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dissect_nbdgm(pd, offset, fd, tree, payload);
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break;
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case UDP_PORT_IPX: /* RFC 1234 */
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dissect_ipx(pd, offset, fd, tree);
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4
packet.h
4
packet.h
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@ -1,7 +1,7 @@
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/* packet.h
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* Definitions for packet disassembly structures and routines
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*
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* $Id: packet.h,v 1.52 1999/05/10 20:51:36 gram Exp $
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* $Id: packet.h,v 1.53 1999/05/10 21:50:11 guy Exp $
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*
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* Ethereal - Network traffic analyzer
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* By Gerald Combs <gerald@zing.org>
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@ -362,7 +362,7 @@ void dissect_ipv6(const u_char *, int, frame_data *, proto_tree *);
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void dissect_ipx(const u_char *, int, frame_data *, proto_tree *);
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void dissect_llc(const u_char *, int, frame_data *, proto_tree *);
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void dissect_lpd(const u_char *, int, frame_data *, proto_tree *);
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void dissect_nbdgm(const u_char *, int, frame_data *, proto_tree *);
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void dissect_nbdgm(const u_char *, int, frame_data *, proto_tree *, int);
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void dissect_nbipx_ns(const u_char *, int, frame_data *, proto_tree *, int);
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void dissect_nbns(const u_char *, int, frame_data *, proto_tree *);
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void dissect_ncp(const u_char *, int, frame_data *, proto_tree *, int);
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