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-rw-r--r--epan/dissectors/packet-dcerpc-oxid.c282
1 files changed, 282 insertions, 0 deletions
diff --git a/epan/dissectors/packet-dcerpc-oxid.c b/epan/dissectors/packet-dcerpc-oxid.c
new file mode 100644
index 0000000000..0c31a527a0
--- /dev/null
+++ b/epan/dissectors/packet-dcerpc-oxid.c
@@ -0,0 +1,282 @@
+/* packet-dcerpc-oxid.c
+ * Routines for DCOM OXID Resolver
+ * Copyright 2001, Todd Sabin <tas@webspan.net>
+ *
+ * $Id$
+ *
+ * Ethereal - Network traffic analyzer
+ * By Gerald Combs <gerald@ethereal.com>
+ * Copyright 1998 Gerald Combs
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <string.h>
+
+#include <glib.h>
+#include <epan/packet.h>
+#include "packet-dcerpc.h"
+#include "packet-dcerpc-dcom.h"
+#include "packet-smb-common.h"
+
+static int proto_oxid = -1;
+
+static int hf_opnum = -1;
+static int hf_COMVERSION_MjrVer = -1;
+static int hf_COMVERSION_MnrVer = -1;
+static int hf_wNumEntries = -1;
+static int hf_wSecurityOffset = -1;
+static int hf_wTowerId = -1;
+static int hf_aNetworkAddr = -1;
+static int hf_wAuthnSvc = -1;
+static int hf_wAuthzSvc = -1;
+static int hf_aPrinceName = -1;
+static int hf_Unknown1 = -1;
+static int hf_Unknown2 = -1;
+
+static gint ett_oxid = -1;
+
+static e_uuid_t uuid_oxid = { 0x99fcfec4, 0x5260, 0x101b, { 0xbb, 0xcb, 0x00, 0xaa, 0x00, 0x21, 0x34, 0x7a } };
+static guint16 ver_oxid = 0;
+
+static const char *
+authz_val2str(unsigned short authz) {
+ switch (authz) {
+ case 0:
+ return "RPC_C_AUTHZ_NONE";
+ break;
+ case 1:
+ return "RPC_C_AUTHZ_NAME";
+ break;
+ case 2:
+ return "RPC_C_AUTHZ_DCE";
+ break;
+ case 0xffff:
+ return "Default";
+ break;
+ default:
+ return "Unknown";
+ break;
+ }
+}
+
+static const char *
+authn_val2str(unsigned short authn) {
+ switch (authn) {
+ case 0:
+ return "RPC_C_AUTHN_NONE";
+ break;
+ case 1:
+ return "RPC_C_AUTHN_DCE_PRIVATE";
+ break;
+ case 2:
+ return "RPC_C_AUTHN_DCE_PUBLIC";
+ break;
+ case 4:
+ return "RPC_C_AUTHN_DEC_PUBLIC";
+ break;
+ case 9:
+ return "RPC_C_AUTHN_GSS_NEGOTIATE";
+ break;
+ case 10:
+ return "RPC_C_AUTH_WINNT";
+ break;
+ case 14:
+ return "RPC_C_AUTHN_GSS_SCHANNEL";
+ break;
+ case 16:
+ return "RPC_C_AUTHN_GSS_KERBEROS";
+ break;
+ case 17:
+ return "RPC_C_AUTHN_MSN";
+ break;
+ case 18:
+ return "RPC_C_AUTHN_DPA";
+ break;
+ case 100:
+ return "RPC_C_AUTHN_MQ";
+ break;
+ case 0xffff:
+ return "RPC_C_AUTHN_DEFAULT";
+ break;
+ default:
+ return "Unknown";
+ break;
+ }
+}
+
+static const char *
+towerid_val2str(unsigned short tower) {
+ switch (tower) {
+ case 0x4:
+ return "NCACN_DNET_NSP";
+ break;
+ case 0x7:
+ return "NCACN_IP_TCP";
+ break;
+ case 0x8:
+ return "NCADG_IP_UDP";
+ break;
+ case 0xC:
+ return "NCACN_SPX";
+ break;
+
+ case 0xD:
+ return "NCACN_NB_IPX";
+ break;
+ case 0xE:
+ return "NCADG_IPX";
+ break;
+ case 0x12:
+ return "NCACN_NB_NB";
+ break;
+ case 0x1F:
+ return "NCACN_HTTP";
+ break;
+ default:
+ return "Unknown";
+ break;
+ }
+}
+
+static int
+oxid_server_alive2_dissect_rply(tvbuff_t *tvb, int offset, packet_info *pinfo,
+ proto_tree *tree, guint8 *drep) {
+ COMVERSION comver;
+ DUALSTRINGARRAY stringarray;
+ STRINGBINDING stringbind;
+ SECURITYBINDING securitybind;
+ proto_item *bind_hdr, *entries_hdr, *sec_hdr;
+ proto_tree *bind_tree, *entries_tree, *sec_tree;
+ char *aNetworkAddr = NULL;
+ char *aPrinceName = NULL;
+ unsigned short string_len = 0;
+ unsigned short security_len = 0;
+ unsigned char unknown1[8];
+ unsigned char unknown2[8];
+
+ dissect_dcerpc_uint16(tvb, offset, pinfo, tree, drep, hf_COMVERSION_MjrVer, &comver.MajorVersion);
+ offset += sizeof(comver.MajorVersion);
+
+ dissect_dcerpc_uint16(tvb, offset, pinfo, tree, drep, hf_COMVERSION_MnrVer, &comver.MinorVersion);
+ offset += sizeof(comver.MinorVersion);
+
+ dissect_dcerpc_uint64(tvb , offset, pinfo, tree, drep, hf_Unknown1, unknown1);
+
+ offset += sizeof(unknown1); /*FIXME - understand what those 8 bytes mean! don't skip'em!*/
+ string_len = dcerpc_tvb_get_ntohs(tvb, offset, drep) * 2;
+ bind_hdr = proto_tree_add_text(tree, tvb, offset, (int)string_len, "DUALSTRINGARRAY structure");
+ bind_tree = proto_item_add_subtree(bind_hdr, 0);
+
+ dissect_dcerpc_uint16(tvb, offset, pinfo, bind_tree, drep, hf_wNumEntries, &stringarray.wNumEntries);
+ offset += sizeof(stringarray.wNumEntries);
+
+ security_len = dcerpc_tvb_get_ntohs(tvb, offset, drep) * 2;
+ dissect_dcerpc_uint16(tvb, offset, pinfo, bind_tree, drep, hf_wSecurityOffset, &stringarray.wSecurityOffset);
+ offset += sizeof(stringarray.wSecurityOffset);
+
+ entries_hdr = proto_tree_add_text(bind_tree, tvb, offset, (int)security_len, "STRING BINDING");
+ entries_tree = proto_item_add_subtree(entries_hdr, 0);
+
+ while(tvb_get_ntohs(tvb, offset) != 0) { /* check that this is not terminating zero */
+
+ stringbind.wTowerId = dcerpc_tvb_get_ntohs(tvb, offset, drep);
+ proto_tree_add_text(entries_tree, tvb, offset, sizeof(stringbind.wTowerId), "Network Protocol ('TowerID'): %s (0x%x)",towerid_val2str(stringbind.wTowerId), stringbind.wTowerId);
+
+ offset += sizeof(stringbind.wTowerId);
+
+ offset = display_unicode_string(tvb, entries_tree, offset, hf_aNetworkAddr, &aNetworkAddr);
+ }
+ offset += 2; /* hop over the extra terminating zero */
+
+ sec_hdr = proto_tree_add_text(bind_tree, tvb, offset, 0, "SECURITY BINDING");
+ sec_tree = proto_item_add_subtree(sec_hdr, 0);
+
+ while(tvb_get_ntohs(tvb, offset) != 0) {
+ securitybind.wAuthnSvc = dcerpc_tvb_get_ntohs(tvb, offset, drep);
+ proto_tree_add_text(sec_tree, tvb, offset, sizeof(securitybind.wAuthnSvc), "Authentication Service: %s (0x%x)",authn_val2str(securitybind.wAuthnSvc),securitybind.wAuthnSvc);
+ offset += sizeof(securitybind.wAuthnSvc);
+
+ securitybind.wAuthzSvc = dcerpc_tvb_get_ntohs(tvb, offset, drep);
+ proto_tree_add_text(sec_tree, tvb, offset, sizeof(securitybind.wAuthzSvc), "Authorization Service: %s (0x%x)",authz_val2str(securitybind.wAuthzSvc),securitybind.wAuthzSvc);
+ offset += sizeof(securitybind.wAuthzSvc);
+
+ offset = display_unicode_string(tvb, sec_tree, offset, hf_aPrinceName, &aPrinceName);
+ }
+ offset += 2; /* hop over the extra terminating zero */
+
+ dissect_dcerpc_uint64(tvb, offset, pinfo, tree, drep, hf_Unknown2, unknown2);
+ offset += sizeof(unknown2);
+ return offset;
+}
+
+static dcerpc_sub_dissector oxid_dissectors[] = {
+ { 0, "ResolveOxid", NULL, NULL },
+ { 1, "SimplePing", NULL, NULL },
+ { 2, "ComplexPing", NULL, NULL },
+ { 3, "ServerAlive", NULL, NULL },
+ { 4, "ResolveOxid2", NULL, NULL },
+ { 5, "ServerAlive2", NULL, oxid_server_alive2_dissect_rply },
+ { 0, NULL, NULL, NULL },
+};
+
+void
+proto_register_oxid (void)
+{
+ static hf_register_info hf[] = {
+ { &hf_opnum,
+ { "Operation", "oxid.opnum", FT_UINT16, BASE_DEC,
+ NULL, 0x0, "", HFILL }},
+ { &hf_COMVERSION_MjrVer,
+ { "COM Major Version", "oxid5.com_mjr_ver", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_COMVERSION_MnrVer,
+ { "COM Minor Version", "oxid5.com_mnr_ver", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_wNumEntries,
+ { "Total Entries length (in 16 bytes blocks)", "oxid5.NumEntries", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_wSecurityOffset,
+ { "Offset of Security Binding (in 16 bytes blocks)", "oxid5.SecurityOffset", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_wTowerId,
+ { "Network Protocol ('TowerID')", "oxid5.wTowerId", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_aNetworkAddr,
+ { "Network Address ('aNetworkAddr')", "oxid5.aNetworkAddr", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
+ { &hf_wAuthnSvc,
+ { "Authentication Service", "oxid5.AuthnSvc", FT_UINT16, BASE_DEC, NULL, 0x0, "", HFILL }},
+ { &hf_wAuthzSvc,
+ { "Autherization Service", "oxid5.AuthzSvc", FT_UINT16, BASE_HEX, NULL, 0x0, "", HFILL }},
+ { &hf_aPrinceName,
+ { "aPrinceName", "oxid5.aPrinceName", FT_STRING, BASE_NONE, NULL, 0x0, "", HFILL }},
+ { &hf_Unknown1,
+ { "unknown 8 bytes 1", "oxid5.unknown1", FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},
+ { &hf_Unknown2,
+ { "unknown 8 bytes 2", "oxid5.unknown2", FT_UINT64, BASE_HEX, NULL, 0x0, "", HFILL }},
+ };
+ static gint *ett[] = {
+ &ett_oxid
+ };
+ proto_oxid = proto_register_protocol ("DCOM OXID Resolver", "OXID", "oxid");
+ proto_register_field_array (proto_oxid, hf, array_length (hf));
+ proto_register_subtree_array (ett, array_length (ett));
+}
+
+void
+proto_reg_handoff_oxid (void)
+{
+ /* Register the protocol as dcerpc */
+ dcerpc_init_uuid (proto_oxid, ett_oxid, &uuid_oxid, ver_oxid, oxid_dissectors, hf_opnum);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-19 18:31:38 +0000