Move /asn1 to /epan/dissectors

Change-Id: I1208fe3c2ba428995526f561e8f792b8d871e9a9
Reviewed-on: https://code.wireshark.org/review/14388
Reviewed-by: Pascal Quantin <pascal.quantin@gmail.com>
Petri-Dish: Pascal Quantin <pascal.quantin@gmail.com>
Reviewed-by: João Valverde <j@v6e.pt>

1 files changed, 0 insertions, 460 deletions

diff --git a/asn1/pres/packet-pres-template.c b/asn1/pres/packet-pres-template.c
deleted file mode 100644
index 0c1c2d823e..0000000000
--- a/asn1/pres/packet-pres-template.c
+++ /dev/null
@@ -1,460 +0,0 @@
-/* packet-pres.c
- * Routine to dissect ISO 8823 OSI Presentation Protocol packets
- * Based on the dissector by
- * Yuriy Sidelnikov <YSidelnikov@hotmail.com>
- *
- * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#include "config.h"
-
-#include <epan/packet.h>
-#include <epan/exceptions.h>
-#include <epan/prefs.h>
-#include <epan/conversation.h>
-#include <epan/expert.h>
-#include <epan/uat.h>
-
-#include <epan/asn1.h>
-#include <epan/oids.h>
-#include "packet-ber.h"
-#include "packet-ses.h"
-#include "packet-pres.h"
-#include "packet-rtse.h"
-
-
-#define PNAME  "ISO 8823 OSI Presentation Protocol"
-#define PSNAME "PRES"
-#define PFNAME "pres"
-
-#define CLPNAME  "ISO 9576-1 OSI Connectionless Presentation Protocol"
-#define CLPSNAME "CLPRES"
-#define CLPFNAME "clpres"
-
-void proto_register_pres(void);
-void proto_reg_handoff_pres(void);
-
-/* Initialize the protocol and registered fields */
-static int proto_pres = -1;
-
-/* Initialize the connectionles protocol */
-static int proto_clpres = -1;
-
-/*      pointers for acse dissector  */
-proto_tree *global_tree  = NULL;
-packet_info *global_pinfo = NULL;
-
-static const char *abstract_syntax_name_oid;
-static guint32 presentation_context_identifier;
-
-/* to keep track of presentation context identifiers and protocol-oids */
-typedef struct _pres_ctx_oid_t {
-	guint32 ctx_id;
-	char *oid;
-	guint32 idx;
-} pres_ctx_oid_t;
-static GHashTable *pres_ctx_oid_table = NULL;
-
-typedef struct _pres_user_t {
-   guint ctx_id;
-   char *oid;
-} pres_user_t;
-
-static pres_user_t *pres_users;
-static guint num_pres_users;
-
-static int hf_pres_CP_type = -1;
-static int hf_pres_CPA_PPDU = -1;
-static int hf_pres_Abort_type = -1;
-static int hf_pres_CPR_PPDU = -1;
-static int hf_pres_Typed_data_type = -1;
-
-#include "packet-pres-hf.c"
-
-/* Initialize the subtree pointers */
-static gint ett_pres           = -1;
-
-#include "packet-pres-ett.c"
-
-static expert_field ei_pres_dissector_not_available = EI_INIT;
-static expert_field ei_pres_wrong_spdu_type = EI_INIT;
-static expert_field ei_pres_invalid_offset = EI_INIT;
-
-UAT_DEC_CB_DEF(pres_users, ctx_id, pres_user_t)
-UAT_CSTRING_CB_DEF(pres_users, oid, pres_user_t)
-
-static guint
-pres_ctx_oid_hash(gconstpointer k)
-{
-	const pres_ctx_oid_t *pco=(const pres_ctx_oid_t *)k;
-	return pco->ctx_id;
-}
-
-static gint
-pres_ctx_oid_equal(gconstpointer k1, gconstpointer k2)
-{
-	const pres_ctx_oid_t *pco1=(const pres_ctx_oid_t *)k1;
-	const pres_ctx_oid_t *pco2=(const pres_ctx_oid_t *)k2;
-	return (pco1->ctx_id==pco2->ctx_id && pco1->idx==pco2->idx);
-}
-
-static void
-pres_init(void)
-{
-	pres_ctx_oid_table = g_hash_table_new(pres_ctx_oid_hash,
-			pres_ctx_oid_equal);
-
-}
-
-static void
-pres_cleanup(void)
-{
-	g_hash_table_destroy(pres_ctx_oid_table);
-}
-
-static void
-register_ctx_id_and_oid(packet_info *pinfo _U_, guint32 idx, const char *oid)
-{
-	pres_ctx_oid_t *pco, *tmppco;
-	conversation_t *conversation;
-
-	if (!oid) {
-		/* we did not get any oid name, malformed packet? */
-		return;
-	}
-
-	pco=wmem_new(wmem_file_scope(), pres_ctx_oid_t);
-	pco->ctx_id=idx;
-	pco->oid=wmem_strdup(wmem_file_scope(), oid);
-	conversation=find_conversation (pinfo->num, &pinfo->src, &pinfo->dst,
-			pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
-	if (conversation) {
-		pco->idx = conversation->index;
-	} else {
-		pco->idx = 0;
-	}
-
-	/* if this ctx already exists, remove the old one first */
-	tmppco=(pres_ctx_oid_t *)g_hash_table_lookup(pres_ctx_oid_table, pco);
-	if (tmppco) {
-		g_hash_table_remove(pres_ctx_oid_table, tmppco);
-	}
-	g_hash_table_insert(pres_ctx_oid_table, pco, pco);
-}
-
-static char *
-find_oid_in_users_table(packet_info *pinfo, guint32 ctx_id)
-{
-	guint i;
-
-	for (i = 0; i < num_pres_users; i++) {
-		pres_user_t *u = &(pres_users[i]);
-
-		if (u->ctx_id == ctx_id) {
-			/* Register oid so other dissectors can find this connection */
-			register_ctx_id_and_oid(pinfo, u->ctx_id, u->oid);
-			return u->oid;
-		}
-	}
-
-	return NULL;
-}
-
-char *
-find_oid_by_pres_ctx_id(packet_info *pinfo, guint32 idx)
-{
-	pres_ctx_oid_t pco, *tmppco;
-	conversation_t *conversation;
-
-	pco.ctx_id=idx;
-	conversation=find_conversation (pinfo->num, &pinfo->src, &pinfo->dst,
-			pinfo->ptype, pinfo->srcport, pinfo->destport, 0);
-	if (conversation) {
-		pco.idx = conversation->index;
-	} else {
-		pco.idx = 0;
-	}
-
-	tmppco=(pres_ctx_oid_t *)g_hash_table_lookup(pres_ctx_oid_table, &pco);
-	if (tmppco) {
-		return tmppco->oid;
-	}
-
-	return find_oid_in_users_table(pinfo, idx);
-}
-
-static void *
-pres_copy_cb(void *dest, const void *orig, size_t len _U_)
-{
-	pres_user_t *u = (pres_user_t *)dest;
-	const pres_user_t *o = (const pres_user_t *)orig;
-
-	u->ctx_id = o->ctx_id;
-	u->oid = g_strdup(o->oid);
-
-	return dest;
-}
-
-static void
-pres_free_cb(void *r)
-{
-	pres_user_t *u = (pres_user_t *)r;
-
-	g_free(u->oid);
-}
-
-
-#include "packet-pres-fn.c"
-
-
-/*
- * Dissect an PPDU.
- */
-static int
-dissect_ppdu(tvbuff_t *tvb, int offset, packet_info *pinfo, proto_tree *tree, struct SESSION_DATA_STRUCTURE* local_session)
-{
-	proto_item *ti;
-	proto_tree *pres_tree;
-	struct SESSION_DATA_STRUCTURE* session;
-	asn1_ctx_t asn1_ctx;
-	asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
-
-	/* do we have spdu type from the session dissector?  */
-	if (local_session == NULL) {
-		proto_tree_add_expert(tree, pinfo, &ei_pres_wrong_spdu_type, tvb, offset, -1);
-		return 0;
-	}
-
-	session = local_session;
-	if (session->spdu_type == 0) {
-		proto_tree_add_expert_format(tree, pinfo, &ei_pres_wrong_spdu_type, tvb, offset, -1,
-			"Internal error:wrong spdu type %x from session dissector.",session->spdu_type);
-		return 0;
-	}
-
-	/*  set up type of PPDU */
-	col_add_str(pinfo->cinfo, COL_INFO,
-		    val_to_str_ext(session->spdu_type, &ses_vals_ext, "Unknown PPDU type (0x%02x)"));
-
-	asn1_ctx.private_data = session;
-
-	ti = proto_tree_add_item(tree, proto_pres, tvb, offset, -1, ENC_NA);
-	pres_tree = proto_item_add_subtree(ti, ett_pres);
-
-	switch (session->spdu_type) {
-		case SES_CONNECTION_REQUEST:
-			offset = dissect_pres_CP_type(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_CP_type);
-			break;
-		case SES_CONNECTION_ACCEPT:
-			offset = dissect_pres_CPA_PPDU(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_CPA_PPDU);
-			break;
-		case SES_ABORT:
-		case SES_ABORT_ACCEPT:
-			offset = dissect_pres_Abort_type(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_Abort_type);
-			break;
-		case SES_DATA_TRANSFER:
-			offset = dissect_pres_CPC_type(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_user_data);
-			break;
-		case SES_TYPED_DATA:
-			offset = dissect_pres_Typed_data_type(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_Typed_data_type);
-			break;
-		case SES_RESYNCHRONIZE:
-			offset = dissect_pres_RS_PPDU(FALSE, tvb, offset, &asn1_ctx, pres_tree, -1);
-			break;
-		case SES_RESYNCHRONIZE_ACK:
-			offset = dissect_pres_RSA_PPDU(FALSE, tvb, offset, &asn1_ctx, pres_tree, -1);
-			break;
-		case SES_REFUSE:
-			offset = dissect_pres_CPR_PPDU(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_CPR_PPDU);
-			break;
-		default:
-			offset = dissect_pres_CPC_type(FALSE, tvb, offset, &asn1_ctx, pres_tree, hf_pres_user_data);
-			break;
-	}
-
-	return offset;
-}
-
-static int
-dissect_pres(tvbuff_t *tvb, packet_info *pinfo, proto_tree *parent_tree, void* data)
-{
-	int offset = 0, old_offset;
-	struct SESSION_DATA_STRUCTURE* session;
-
-	session = ((struct SESSION_DATA_STRUCTURE*)data);
-
-	/* first, try to check length   */
-	/* do we have at least 4 bytes  */
-	if (!tvb_bytes_exist(tvb, 0, 4)) {
-		if (session && session->spdu_type != SES_MAJOR_SYNC_POINT) {
-			proto_tree_add_item(parent_tree, hf_pres_user_data, tvb, offset,
-					    tvb_reported_length_remaining(tvb,offset), ENC_NA);
-			return 0;  /* no, it isn't a presentation PDU */
-		}
-	}
-
-	/* save pointers for calling the acse dissector  */
-	global_tree = parent_tree;
-	global_pinfo = pinfo;
-
-	/* if the session unit-data packet then we process it */
-	/* as a connectionless presentation protocol unit data */
-	if (session && session->spdu_type == CLSES_UNIT_DATA) {
-		proto_tree * clpres_tree = NULL;
-		proto_item *ti;
-
-		col_set_str(pinfo->cinfo, COL_PROTOCOL, "CL-PRES");
-  		col_clear(pinfo->cinfo, COL_INFO);
-
-		if (parent_tree) {
-			ti = proto_tree_add_item(parent_tree, proto_clpres, tvb, offset, -1, ENC_NA);
-			clpres_tree = proto_item_add_subtree(ti, ett_pres);
-		}
-
-		/* dissect the packet */
-		dissect_UD_type_PDU(tvb, pinfo, clpres_tree, NULL);
-		return tvb_captured_length(tvb);
-	}
-
-	/*  we can't make any additional checking here   */
-	/*  postpone it before dissector will have more information */
-
-	col_set_str(pinfo->cinfo, COL_PROTOCOL, "PRES");
-  	col_clear(pinfo->cinfo, COL_INFO);
-
-	if (session && session->spdu_type == SES_MAJOR_SYNC_POINT) {
-		/* This is a reassembly initiated in packet-ses */
-		char *oid = find_oid_by_pres_ctx_id (pinfo, session->pres_ctx_id);
-		if (oid) {
-			call_ber_oid_callback (oid, tvb, offset, pinfo, parent_tree, session);
-		} else {
-			proto_tree_add_item(parent_tree, hf_pres_user_data, tvb, offset,
-					    tvb_reported_length_remaining(tvb,offset), ENC_NA);
-		}
-		return tvb_captured_length(tvb);
-	}
-
-	while (tvb_reported_length_remaining(tvb, offset) > 0) {
-		old_offset = offset;
-		offset = dissect_ppdu(tvb, offset, pinfo, parent_tree, session);
-		if (offset <= old_offset) {
-			proto_tree_add_expert(parent_tree, pinfo, &ei_pres_invalid_offset, tvb, offset, -1);
-			break;
-		}
-	}
-
-	return tvb_captured_length(tvb);
-}
-
-
-/*--- proto_register_pres -------------------------------------------*/
-void proto_register_pres(void) {
-
-  /* List of fields */
-  static hf_register_info hf[] = {
-    { &hf_pres_CP_type,
-      { "CP-type", "pres.cptype",
-        FT_NONE, BASE_NONE, NULL, 0,
-        NULL, HFILL }},
-    { &hf_pres_CPA_PPDU,
-      { "CPA-PPDU", "pres.cpapdu",
-        FT_NONE, BASE_NONE, NULL, 0,
-        NULL, HFILL }},
-    { &hf_pres_Abort_type,
-      { "Abort type", "pres.aborttype",
-        FT_UINT32, BASE_DEC, VALS(pres_Abort_type_vals), 0,
-        NULL, HFILL }},
-    { &hf_pres_CPR_PPDU,
-      { "CPR-PPDU", "pres.cprtype",
-        FT_UINT32, BASE_DEC, VALS(pres_CPR_PPDU_vals), 0,
-        NULL, HFILL }},
-    { &hf_pres_Typed_data_type,
-      { "Typed data type", "pres.Typed_data_type",
-        FT_UINT32, BASE_DEC, VALS(pres_Typed_data_type_vals), 0,
-        NULL, HFILL }},
-
-#include "packet-pres-hfarr.c"
-  };
-
-  /* List of subtrees */
-  static gint *ett[] = {
-		&ett_pres,
-#include "packet-pres-ettarr.c"
-  };
-
-  static ei_register_info ei[] = {
-     { &ei_pres_dissector_not_available, { "pres.dissector_not_available", PI_UNDECODED, PI_WARN, "Dissector is not available", EXPFILL }},
-     { &ei_pres_wrong_spdu_type, { "pres.wrong_spdu_type", PI_PROTOCOL, PI_WARN, "Internal error:can't get spdu type from session dissector", EXPFILL }},
-     { &ei_pres_invalid_offset, { "pres.invalid_offset", PI_MALFORMED, PI_ERROR, "Internal error:can't get spdu type from session dissector", EXPFILL }},
-  };
-
-  static uat_field_t users_flds[] = {
-    UAT_FLD_DEC(pres_users,ctx_id,"Context Id","Presentation Context Identifier"),
-    UAT_FLD_CSTRING(pres_users,oid,"Syntax Name OID","Abstract Syntax Name (Object Identifier)"),
-    UAT_END_FIELDS
-  };
-
-  uat_t* users_uat = uat_new("PRES Users Context List",
-                             sizeof(pres_user_t),
-                             "pres_context_list",
-                             TRUE,
-                             &pres_users,
-                             &num_pres_users,
-                             UAT_AFFECTS_DISSECTION, /* affects dissection of packets, but not set of named fields */
-                             "ChPresContextList",
-                             pres_copy_cb,
-                             NULL,
-                             pres_free_cb,
-                             NULL,
-                             users_flds);
-
-  expert_module_t* expert_pres;
-  module_t *pres_module;
-
-  /* Register protocol */
-  proto_pres = proto_register_protocol(PNAME, PSNAME, PFNAME);
-  register_dissector("pres", dissect_pres, proto_pres);
-
-  /* Register connectionless protocol (just for the description) */
-  proto_clpres = proto_register_protocol(CLPNAME, CLPSNAME, CLPFNAME);
-
-  /* Register fields and subtrees */
-  proto_register_field_array(proto_pres, hf, array_length(hf));
-  proto_register_subtree_array(ett, array_length(ett));
-  expert_pres = expert_register_protocol(proto_pres);
-  expert_register_field_array(expert_pres, ei, array_length(ei));
-  register_init_routine(pres_init);
-  register_cleanup_routine(pres_cleanup);
-
-  pres_module = prefs_register_protocol(proto_pres, NULL);
-
-  prefs_register_uat_preference(pres_module, "users_table", "Users Context List",
-                                "A table that enumerates user protocols to be used against"
-                                " specific presentation context identifiers",
-                                users_uat);
-}
-
-
-/*--- proto_reg_handoff_pres ---------------------------------------*/
-void proto_reg_handoff_pres(void) {
-
-/*	register_ber_oid_dissector("0.4.0.0.1.1.1.1", dissect_pres, proto_pres,
-	  "itu-t(0) identified-organization(4) etsi(0) mobileDomain(0) gsm-Network(1) abstractSyntax(1) pres(1) version1(1)"); */
-
-}