pkixcmp -> cmp to make directory name consistent with filenames

git-svn-id: http://anonsvn.wireshark.org/wireshark/trunk@30473 f5534014-38df-0310-8fa8-9805f1628bb7

1 files changed, 456 insertions, 0 deletions

diff --git a/asn1/cmp/packet-cmp-template.c b/asn1/cmp/packet-cmp-template.c
new file mode 100644
index 0000000000..1fa3a5f922
--- /dev/null
+++ b/asn1/cmp/packet-cmp-template.c
@@ -0,0 +1,456 @@
+/* packet-cmp.c
+ *
+ * Routines for RFC2510 Certificate Management Protocol packet dissection
+ *   Ronnie Sahlberg 2004
+ * Updated to RFC4210 CMPv2 and associated "Transport Protocols for CMP" draft
+ *   Martin Peylo 2008
+ *
+ * $Id$
+ *
+ * Wireshark - Network traffic analyzer
+ * By Gerald Combs <gerald@wireshark.org>
+ * 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 <glib.h>
+#include <epan/packet.h>
+
+#include <stdio.h>
+#include <string.h>
+
+#include <epan/oids.h>
+#include <epan/asn1.h>
+#include "packet-ber.h"
+#include "packet-cmp.h"
+#include "packet-crmf.h"
+#include "packet-pkix1explicit.h"
+#include "packet-pkix1implicit.h"
+#include "packet-tcp.h"
+#include "packet-http.h"
+#include <epan/prefs.h>
+#include <epan/nstime.h>
+
+#define PNAME  "Certificate Management Protocol"
+#define PSNAME "CMP"
+#define PFNAME "cmp"
+
+#define TCP_PORT_CMP 829
+
+/* desegmentation of CMP over TCP */
+static gboolean cmp_desegment = TRUE;
+
+static guint cmp_alternate_tcp_port = 0;
+static guint cmp_alternate_http_port = 0;
+static guint cmp_alternate_tcp_style_http_port = 0;
+
+/* Initialize the protocol and registered fields */
+int proto_cmp = -1;
+static int hf_cmp_type_oid = -1;
+static int hf_cmp_tcptrans_len = -1;
+static int hf_cmp_tcptrans_type = -1;
+static int hf_cmp_tcptrans_poll_ref = -1;
+static int hf_cmp_tcptrans_next_poll_ref = -1;
+static int hf_cmp_tcptrans_ttcb = -1;
+static int hf_cmp_tcptrans10_version = -1;
+static int hf_cmp_tcptrans10_flags = -1;
+#include "packet-cmp-hf.c"
+
+/* Initialize the subtree pointers */
+static gint ett_cmp = -1;
+#include "packet-cmp-ett.c"
+
+static const char *object_identifier_id;
+
+
+#include "packet-cmp-fn.c"
+
+static int
+dissect_cmp_pdu(tvbuff_t *tvb, proto_tree *tree, asn1_ctx_t *actx)
+{
+	return dissect_cmp_PKIMessage(FALSE, tvb, 0, actx,tree, -1);
+}
+
+#define CMP_TYPE_PKIMSG		0
+#define CMP_TYPE_POLLREP	1
+#define CMP_TYPE_POLLREQ	2
+#define CMP_TYPE_NEGPOLLREP	3
+#define CMP_TYPE_PARTIALMSGREP	4
+#define CMP_TYPE_FINALMSGREP	5
+#define CMP_TYPE_ERRORMSGREP	6
+static const value_string cmp_pdu_types[] = {
+	{ CMP_TYPE_PKIMSG,		"pkiMsg" },
+	{ CMP_TYPE_POLLREP,		"pollRep" },
+	{ CMP_TYPE_POLLREQ,		"pollReq" },
+	{ CMP_TYPE_NEGPOLLREP,		"negPollRep" },
+	{ CMP_TYPE_PARTIALMSGREP,	"partialMsgRep" },
+	{ CMP_TYPE_FINALMSGREP,		"finalMsgRep" },
+	{ CMP_TYPE_ERRORMSGREP,		"errorMsgRep" },
+	{ 0, NULL },
+};
+
+
+static int dissect_cmp_tcp_pdu(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	tvbuff_t   *next_tvb;
+	guint32    pdu_len;
+	guint8     pdu_type;
+	nstime_t   ts;
+	proto_item *item=NULL;
+	proto_item *ti=NULL;
+	proto_tree *tree=NULL;
+	proto_tree *tcptrans_tree=NULL;
+	asn1_ctx_t asn1_ctx;
+	int offset=0;
+
+	asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
+
+	col_set_str(pinfo->cinfo, COL_PROTOCOL, "CMP");
+
+	col_set_str(pinfo->cinfo, COL_INFO, "PKIXCMP");
+
+	if(parent_tree){
+		item=proto_tree_add_item(parent_tree, proto_cmp, tvb, 0, -1, FALSE);
+		tree = proto_item_add_subtree(item, ett_cmp);
+	}
+
+	pdu_len=tvb_get_ntohl(tvb, 0);
+	pdu_type=tvb_get_guint8(tvb, 4);
+
+	if (pdu_type < 10) {
+		/* RFC2510 TCP transport */
+		ti = proto_tree_add_item(tree, proto_cmp, tvb, offset, 5, FALSE);
+		tcptrans_tree = proto_item_add_subtree(ti, ett_cmp);
+		proto_tree_add_item(tree, hf_cmp_tcptrans_len, tvb, offset, 4, FALSE);
+		offset += 4;
+		proto_tree_add_item(tree, hf_cmp_tcptrans_type, tvb, offset++, 1, FALSE);
+	} else {
+		/* post RFC2510 TCP transport - the former "type" field is now "version" */
+		ti = proto_tree_add_text(tree, tvb, offset, 7, "TCP transport");
+		tcptrans_tree = proto_item_add_subtree(ti, ett_cmp);
+		pdu_type=tvb_get_guint8(tvb, 6);
+		proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans_len, tvb, offset, 4, FALSE);
+		offset += 4;
+		proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans10_version, tvb, offset++, 1, FALSE);
+		proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans10_flags, tvb, offset++, 1, FALSE);
+		proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans_type, tvb, offset++, 1, FALSE);
+	}
+
+	if (check_col (pinfo->cinfo, COL_INFO)) {
+		col_add_str (pinfo->cinfo, COL_INFO, val_to_str (pdu_type, cmp_pdu_types, "0x%x"));
+	}
+
+	switch(pdu_type){
+		case CMP_TYPE_PKIMSG:
+			next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), pdu_len);
+			dissect_cmp_pdu(next_tvb, tree, &asn1_ctx);
+			offset += tvb_length_remaining(tvb, offset);
+			break;
+		case CMP_TYPE_POLLREP:
+			proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans_poll_ref, tvb, offset, 4, FALSE);
+			offset += 4;
+
+			ts.secs = tvb_get_ntohl(tvb, 4);
+			ts.nsecs = 0;
+			proto_tree_add_time(tcptrans_tree, hf_cmp_tcptrans_ttcb, tvb, offset, 4, &ts);
+			offset += 4;
+			break;
+		case CMP_TYPE_POLLREQ:
+			proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans_poll_ref, tvb, offset, 4, FALSE);
+			offset += 4;
+			break;
+		case CMP_TYPE_NEGPOLLREP:
+			break;
+		case CMP_TYPE_PARTIALMSGREP:
+			proto_tree_add_item(tcptrans_tree, hf_cmp_tcptrans_next_poll_ref, tvb, offset, 4, FALSE);
+			offset += 4;
+
+			ts.secs = tvb_get_ntohl(tvb, 4);
+			ts.nsecs = 0;
+			proto_tree_add_time(tcptrans_tree, hf_cmp_tcptrans_ttcb, tvb, offset, 4, &ts);
+			offset += 4;
+
+			next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), pdu_len);
+			dissect_cmp_pdu(next_tvb, tree, &asn1_ctx);
+			offset += tvb_length_remaining(tvb, offset);
+			break;
+		case CMP_TYPE_FINALMSGREP:
+			next_tvb = tvb_new_subset(tvb, offset, tvb_length_remaining(tvb, offset), pdu_len);
+			dissect_cmp_pdu(next_tvb, tree, &asn1_ctx);
+			offset += tvb_length_remaining(tvb, offset);
+			break;
+		case CMP_TYPE_ERRORMSGREP:
+			/*XXX to be added*/
+			break;
+	}
+
+	return offset;
+}
+
+static void dissect_cmp_tcp_pdu_no_return(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	dissect_cmp_tcp_pdu(tvb, pinfo, parent_tree);
+}
+
+static guint get_cmp_pdu_len(packet_info *pinfo _U_, tvbuff_t *tvb, int offset)
+{
+	guint32 plen;
+
+	/*
+	 * Get the length of the CMP-over-TCP packet.
+	 */
+	plen = tvb_get_ntohl(tvb, offset);
+
+	return plen+4;
+}
+
+
+/* CMP over TCP: RFC2510 section 5.2 and "Transport Protocols for CMP" draft */
+	static int
+dissect_cmp_tcp(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	guint32 pdu_len;
+	guint8 pdu_type;
+	int offset=4; /* RFC2510 TCP transport header length */
+
+	/* only attempt to dissect it as CMP over TCP if we have
+	 * at least 5 bytes.
+	 */
+	if (!tvb_bytes_exist(tvb, 0, 5)) {
+		return 0;
+	}
+
+	pdu_len=tvb_get_ntohl(tvb, 0);
+	pdu_type=tvb_get_guint8(tvb, 4);
+
+	if(pdu_type == 10) {
+		/* post RFC2510 TCP transport */
+		pdu_type = tvb_get_guint8(tvb, 7);
+		offset = 7; /* post RFC2510 TCP transport header length */
+		/* arbitrary limit: assume a CMP over TCP pdu is never >10000 bytes
+		 * in size.
+		 * It is definitely at least 3 byte for post RFC2510 TCP transport
+		 */
+		if((pdu_len<=2)||(pdu_len>10000)){
+			return 0;
+		}
+	} else {
+		/* RFC2510 TCP transport */
+		/* type is between 0 and 6 */
+		if(pdu_type>6){
+			return 0;
+		}
+		/* arbitrary limit: assume a CMP over TCP pdu is never >10000 bytes
+		 * in size.
+		 * It is definitely at least 1 byte to accomodate the flags byte
+		 */
+		if((pdu_len<=0)||(pdu_len>10000)){
+			return 0;
+		}
+	}
+
+	/* type 0 contains a PKI message and must therefore be >= 3 bytes
+	 * long (flags + BER TAG + BER LENGTH
+	 */
+	if((pdu_type==0)&&(pdu_len<3)){
+		return 0;
+	}
+
+	tcp_dissect_pdus(tvb, pinfo, parent_tree, cmp_desegment, offset, get_cmp_pdu_len,
+			dissect_cmp_tcp_pdu_no_return);
+
+	return tvb_length(tvb);
+}
+
+
+	static int
+dissect_cmp_http(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree)
+{
+	proto_item *item=NULL;
+	proto_tree *tree=NULL;
+	asn1_ctx_t asn1_ctx;
+
+	asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
+
+	col_set_str(pinfo->cinfo, COL_PROTOCOL, "CMP");
+
+	col_set_str(pinfo->cinfo, COL_INFO, "PKIXCMP");
+
+	if(parent_tree){
+		item=proto_tree_add_item(parent_tree, proto_cmp, tvb, 0, -1, FALSE);
+		tree = proto_item_add_subtree(item, ett_cmp);
+	}
+
+	return dissect_cmp_pdu(tvb, tree, &asn1_ctx);
+}
+
+
+/*--- proto_register_cmp ----------------------------------------------*/
+void proto_register_cmp(void) {
+
+	/* List of fields */
+	static hf_register_info hf[] = {
+		{ &hf_cmp_type_oid,
+			{ "InfoType", "cmp.type.oid",
+				FT_STRING, BASE_NONE, NULL, 0,
+				"Type of InfoTypeAndValue", HFILL }},
+		{ &hf_cmp_tcptrans_len,
+			{ "Length", "cmp.tcptrans.length",
+				FT_UINT32, BASE_DEC, NULL, 0,
+				"TCP transport Length of PDU in bytes", HFILL }},
+		{ &hf_cmp_tcptrans_type,
+			{ "Type", "cmp.tcptrans.type",
+				FT_UINT8, BASE_DEC, VALS(cmp_pdu_types), 0,
+				"TCP transport PDU Type", HFILL }},
+		{ &hf_cmp_tcptrans_poll_ref,
+			{ "Polling Reference", "cmp.tcptrans.poll_ref",
+				FT_UINT32, BASE_HEX, NULL, 0,
+				"TCP transport Polling Reference", HFILL }},
+		{ &hf_cmp_tcptrans_next_poll_ref,
+			{ "Next Polling Reference", "cmp.tcptrans.next_poll_ref",
+				FT_UINT32, BASE_HEX, NULL, 0,
+				"TCP transport Next Polling Reference", HFILL }},
+		{ &hf_cmp_tcptrans_ttcb,
+			{ "Time to check Back", "cmp.tcptrans.ttcb",
+				FT_ABSOLUTE_TIME, BASE_NONE, NULL, 0,
+				"TCP transport Time to check Back", HFILL }},
+		{ &hf_cmp_tcptrans10_version,
+			{ "Version", "cmp.tcptrans10.version",
+				FT_UINT8, BASE_DEC, NULL, 0,
+				"TCP transport version", HFILL }},
+		{ &hf_cmp_tcptrans10_flags,
+			{ "Flags", "cmp.tcptrans10.flags",
+				FT_UINT8, BASE_DEC, NULL, 0,
+				"TCP transport flags", HFILL }},
+#include "packet-cmp-hfarr.c"
+	};
+
+	/* List of subtrees */
+	static gint *ett[] = {
+		&ett_cmp,
+#include "packet-cmp-ettarr.c"
+	};
+	module_t *cmp_module;
+
+	/* Register protocol */
+	proto_cmp = proto_register_protocol(PNAME, PSNAME, PFNAME);
+
+	/* Register fields and subtrees */
+	proto_register_field_array(proto_cmp, hf, array_length(hf));
+	proto_register_subtree_array(ett, array_length(ett));
+
+	cmp_module = prefs_register_protocol(proto_cmp, proto_reg_handoff_cmp);
+	prefs_register_bool_preference(cmp_module, "desegment",
+			"Reassemble CMP-over-TCP messages spanning multiple TCP segments",
+			"Whether the CMP-over-TCP dissector should reassemble messages spanning multiple TCP segments. "
+			"To use this option, you must also enable \"Allow subdissectors to reassemble TCP streams\" in the TCP protocol settings.",
+			&cmp_desegment);
+
+	prefs_register_uint_preference(cmp_module, "tcp_alternate_port",
+			"Alternate TCP port",
+			"Decode this TCP port\'s traffic as CMP. Set to \"0\" to disable.",
+			10,
+			&cmp_alternate_tcp_port);
+
+	prefs_register_uint_preference(cmp_module, "http_alternate_port",
+			"Alternate HTTP port",
+			"Decode this TCP port\'s traffic as CMP-over-HTTP. Set to \"0\" to disable. "
+			"Use this if the Content-Type is not set correctly.",
+			10,
+			&cmp_alternate_http_port);
+
+	prefs_register_uint_preference(cmp_module, "tcp_style_http_alternate_port",
+			"Alternate TCP-style-HTTP port",
+			"Decode this TCP port\'s traffic as TCP-transport-style CMP-over-HTTP. Set to \"0\" to disable. "
+			"Use this if the Content-Type is not set correctly.",
+			10,
+			&cmp_alternate_tcp_style_http_port);
+}
+
+
+/*--- proto_reg_handoff_cmp -------------------------------------------*/
+void proto_reg_handoff_cmp(void) {
+	static gboolean inited = FALSE;
+	static dissector_handle_t cmp_http_handle;
+	static dissector_handle_t cmp_tcp_style_http_handle;
+	static dissector_handle_t cmp_tcp_handle;
+	static guint cmp_alternate_tcp_port_prev = 0;
+	static guint cmp_alternate_http_port_prev = 0;
+	static guint cmp_alternate_tcp_style_http_port_prev = 0;
+
+	if (!inited) {
+		cmp_http_handle = new_create_dissector_handle(dissect_cmp_http, proto_cmp);
+		dissector_add_string("media_type", "application/pkixcmp", cmp_http_handle);
+		dissector_add_string("media_type", "application/x-pkixcmp", cmp_http_handle);
+
+		cmp_tcp_style_http_handle = new_create_dissector_handle(dissect_cmp_tcp_pdu, proto_cmp);
+		dissector_add_string("media_type", "application/pkixcmp-poll", cmp_tcp_style_http_handle);
+		dissector_add_string("media_type", "application/x-pkixcmp-poll", cmp_tcp_style_http_handle);
+
+		cmp_tcp_handle = new_create_dissector_handle(dissect_cmp_tcp, proto_cmp);
+		dissector_add("tcp.port", TCP_PORT_CMP, cmp_tcp_handle);
+
+		oid_add_from_string("Cryptlib-presence-check","1.3.6.1.4.1.3029.3.1.1");
+		oid_add_from_string("Cryptlib-PKIBoot","1.3.6.1.4.1.3029.3.1.2");
+
+		oid_add_from_string("HMAC MD5","1.3.6.1.5.5.8.1.1");
+		oid_add_from_string("HMAC SHA-1","1.3.6.1.5.5.8.1.2");
+		oid_add_from_string("HMAC TIGER","1.3.6.1.5.5.8.1.3");
+		oid_add_from_string("HMAC RIPEMD-160","1.3.6.1.5.5.8.1.4");
+
+		oid_add_from_string("sha256WithRSAEncryption","1.2.840.113549.1.1.11");
+
+#include "packet-cmp-dis-tab.c"
+		inited = TRUE;
+	}
+
+	/* change alternate TCP port if changed in the preferences */
+	if (cmp_alternate_tcp_port != cmp_alternate_tcp_port_prev) {
+		if (cmp_alternate_tcp_port_prev != 0)
+			dissector_delete("tcp.port", cmp_alternate_tcp_port_prev, cmp_tcp_handle);
+		if (cmp_alternate_tcp_port != 0)
+			dissector_add("tcp.port", cmp_alternate_tcp_port, cmp_tcp_handle);
+		cmp_alternate_tcp_port_prev = cmp_alternate_tcp_port;
+	}
+
+	/* change alternate HTTP port if changed in the preferences */
+	if (cmp_alternate_http_port != cmp_alternate_http_port_prev) {
+		if (cmp_alternate_http_port_prev != 0) {
+			dissector_delete("tcp.port", cmp_alternate_http_port_prev, NULL);
+			dissector_delete("http.port", cmp_alternate_http_port_prev, NULL);
+		}
+		if (cmp_alternate_http_port != 0)
+			http_dissector_add( cmp_alternate_http_port, cmp_http_handle);
+		cmp_alternate_http_port_prev = cmp_alternate_http_port;
+	}
+
+	/* change alternate TCP-style-HTTP port if changed in the preferences */
+	if (cmp_alternate_tcp_style_http_port != cmp_alternate_tcp_style_http_port_prev) {
+		if (cmp_alternate_tcp_style_http_port_prev != 0) {
+			dissector_delete("tcp.port", cmp_alternate_tcp_style_http_port_prev, NULL);
+			dissector_delete("http.port", cmp_alternate_tcp_style_http_port_prev, NULL);
+		}
+		if (cmp_alternate_tcp_style_http_port != 0)
+			http_dissector_add( cmp_alternate_tcp_style_http_port, cmp_tcp_style_http_handle);
+		cmp_alternate_tcp_style_http_port_prev = cmp_alternate_tcp_style_http_port;
+	}
+
+}
+