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wireshark/epan/dissectors/packet-q932-ros.c

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/* Do not modify this file. Changes will be overwritten. */
/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
/* packet-q932-ros.c */
/* asn2wrs.py -b -L -p q932.ros -c ./q932-ros.cnf -s ./packet-q932-ros-template -D . -O ../.. ../ros/Remote-Operations-Information-Objects.asn Facility-Information-Element-Components.asn */
/* packet-q932-ros.c
* Routines for Q.932 packet dissection
* 2007 Tomas Kukosa
*
* Wireshark - Network traffic analyzer
* By Gerald Combs <gerald@wireshark.org>
* Copyright 1998 Gerald Combs
*
* SPDX-License-Identifier: GPL-2.0-or-later
*/
#include "config.h"
#include <epan/packet.h>
#include <epan/strutil.h>
#include <epan/asn1.h>
#include <epan/expert.h>
#include "packet-ber.h"
#define PNAME "Q.932 Operations Service Element"
#define PSNAME "Q932.ROS"
#define PFNAME "q932.ros"
void proto_register_q932_ros(void);
void proto_reg_handoff_q932_ros(void);
/* Initialize the protocol and registered fields */
static int proto_q932_ros = -1;
static int hf_q932_ros_ROS_PDU = -1; /* ROS */
static int hf_q932_ros_local = -1; /* T_local */
static int hf_q932_ros_global = -1; /* T_global */
static int hf_q932_ros_invoke = -1; /* Invoke */
static int hf_q932_ros_returnResult = -1; /* ReturnResult */
static int hf_q932_ros_returnError = -1; /* ReturnError */
static int hf_q932_ros_reject = -1; /* Reject */
static int hf_q932_ros_invokeId = -1; /* InvokeId */
static int hf_q932_ros_linkedId = -1; /* T_linkedId */
static int hf_q932_ros_linkedIdPresent = -1; /* T_linkedIdPresent */
static int hf_q932_ros_absent = -1; /* NULL */
static int hf_q932_ros_opcode = -1; /* Code */
static int hf_q932_ros_argument = -1; /* InvokeArgument */
static int hf_q932_ros_result = -1; /* T_result */
static int hf_q932_ros_resultArgument = -1; /* ResultArgument */
static int hf_q932_ros_errcode = -1; /* Code */
static int hf_q932_ros_parameter = -1; /* T_parameter */
static int hf_q932_ros_problem = -1; /* T_problem */
static int hf_q932_ros_general = -1; /* GeneralProblem */
static int hf_q932_ros_invokeProblem = -1; /* InvokeProblem */
static int hf_q932_ros_returnResultProblem = -1; /* ReturnResultProblem */
static int hf_q932_ros_returnErrorProblem = -1; /* ReturnErrorProblem */
static int hf_q932_ros_present = -1; /* INTEGER */
static int hf_q932_ros_InvokeId_present = -1; /* InvokeId_present */
/* Initialize the subtree pointers */
static gint ett_q932_ros_Code = -1;
static gint ett_q932_ros_ROS = -1;
static gint ett_q932_ros_Invoke = -1;
static gint ett_q932_ros_T_linkedId = -1;
static gint ett_q932_ros_ReturnResult = -1;
static gint ett_q932_ros_T_result = -1;
static gint ett_q932_ros_ReturnError = -1;
static gint ett_q932_ros_Reject = -1;
static gint ett_q932_ros_T_problem = -1;
static gint ett_q932_ros_InvokeId = -1;
static expert_field ei_ros_undecoded = EI_INIT;
/* Preferences */
/* Subdissectors */
static dissector_handle_t data_handle = NULL;
/* Global variables */
static rose_ctx_t *rose_ctx_tmp;
static guint32 problem_val;
static gchar problem_str[64];
static tvbuff_t *arg_next_tvb, *res_next_tvb, *err_next_tvb;
static int
dissect_q932_ros_T_local(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
&actx->rose_ctx->d.code_local);
return offset;
}
static int
dissect_q932_ros_T_global(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_index, &actx->rose_ctx->d.code_global);
return offset;
}
static const value_string q932_ros_Code_vals[] = {
{ 0, "local" },
{ 1, "global" },
{ 0, NULL }
};
static const ber_choice_t Code_choice[] = {
{ 0, &hf_q932_ros_local , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_q932_ros_T_local },
{ 1, &hf_q932_ros_global , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_q932_ros_T_global },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_Code(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
Code_choice, hf_index, ett_q932_ros_Code,
&actx->rose_ctx->d.code);
actx->rose_ctx->d.code_item = actx->created_item;
return offset;
}
static int
dissect_q932_ros_INTEGER(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_q932_ros_NULL(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_null(implicit_tag, actx, tree, tvb, offset, hf_index);
return offset;
}
static const value_string q932_ros_InvokeId_vals[] = {
{ 0, "present" },
{ 1, "absent" },
{ 0, NULL }
};
static const ber_choice_t InvokeId_choice[] = {
{ 0, &hf_q932_ros_present , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_q932_ros_INTEGER },
{ 1, &hf_q932_ros_absent , BER_CLASS_UNI, BER_UNI_TAG_NULL, BER_FLAGS_NOOWNTAG, dissect_q932_ros_NULL },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_InvokeId(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
InvokeId_choice, hf_index, ett_q932_ros_InvokeId,
NULL);
return offset;
}
static int
dissect_q932_ros_InvokeId_present(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
NULL);
return offset;
}
static int
dissect_q932_ros_T_linkedIdPresent(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_q932_ros_InvokeId_present(implicit_tag, tvb, offset, actx, tree, hf_index);
return offset;
}
static const value_string q932_ros_T_linkedId_vals[] = {
{ 0, "present" },
{ 1, "absent" },
{ 0, NULL }
};
static const ber_choice_t T_linkedId_choice[] = {
{ 0, &hf_q932_ros_linkedIdPresent, BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_q932_ros_T_linkedIdPresent },
{ 1, &hf_q932_ros_absent , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_q932_ros_NULL },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_T_linkedId(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
T_linkedId_choice, hf_index, ett_q932_ros_T_linkedId,
NULL);
return offset;
}
static int
dissect_q932_ros_InvokeArgument(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
gint len;
len = tvb_reported_length_remaining(tvb, offset);
if (len)
proto_tree_add_item(tree, hf_index, tvb, offset, len, ENC_NA);
arg_next_tvb = tvb_new_subset_remaining(tvb, offset);
offset += tvb_reported_length_remaining(tvb, offset);
return offset;
}
static const ber_sequence_t Invoke_sequence[] = {
{ &hf_q932_ros_invokeId , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_InvokeId },
{ &hf_q932_ros_linkedId , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_T_linkedId },
{ &hf_q932_ros_opcode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_Code },
{ &hf_q932_ros_argument , BER_CLASS_ANY, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_q932_ros_InvokeArgument },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_Invoke(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
dissector_handle_t arg_handle = NULL;
const gchar *descr = "";
arg_next_tvb = NULL;
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
Invoke_sequence, hf_index, ett_q932_ros_Invoke);
actx->rose_ctx->d.pdu = 1;
if ((actx->rose_ctx->d.code == 0) && actx->rose_ctx->arg_local_dissector_table) {
arg_handle = dissector_get_uint_handle(actx->rose_ctx->arg_local_dissector_table, actx->rose_ctx->d.code_local);
} else if ((actx->rose_ctx->d.code == 1) && actx->rose_ctx->arg_global_dissector_table) {
arg_handle = dissector_get_string_handle(actx->rose_ctx->arg_global_dissector_table, actx->rose_ctx->d.code_global);
} else {
arg_handle = NULL;
}
if (!arg_handle ||
!proto_is_protocol_enabled(find_protocol_by_id(dissector_handle_get_protocol_index(arg_handle)))) {
if (actx->rose_ctx->d.code == 0)
descr = wmem_strdup_printf(actx->pinfo->pool, "INV: %d", actx->rose_ctx->d.code_local);
else if (actx->rose_ctx->d.code == 1)
descr = wmem_strdup_printf(actx->pinfo->pool, "INV: %s", actx->rose_ctx->d.code_global);
} else {
descr = wmem_strdup(actx->pinfo->pool, "INV:");
}
if (actx->rose_ctx->apdu_depth >= 0)
proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), actx->rose_ctx->apdu_depth), " %s", descr);
if (actx->rose_ctx->fillin_info)
col_append_str(actx->pinfo->cinfo, COL_INFO, descr);
if (actx->rose_ctx->fillin_ptr)
(void) g_strlcat(actx->rose_ctx->fillin_ptr, descr, actx->rose_ctx->fillin_buf_size);
if (!arg_next_tvb) { /* empty argument */
arg_next_tvb = tvb_new_subset_length_caplen(tvb, (actx->encoding==ASN1_ENC_PER)?offset>>3:offset, 0, 0);
}
call_dissector_with_data((arg_handle)?arg_handle:data_handle, arg_next_tvb, actx->pinfo, tree, actx->rose_ctx);
if (!arg_handle) {
expert_add_info_format(actx->pinfo, tree, &ei_ros_undecoded, "Undecoded %s", descr);
}
return offset;
}
static int
dissect_q932_ros_ResultArgument(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
gint len;
len = tvb_reported_length_remaining(tvb, offset);
if (len)
proto_tree_add_item(tree, hf_index, tvb, offset, len, ENC_NA);
res_next_tvb = tvb_new_subset_remaining(tvb, offset);
offset += tvb_reported_length_remaining(tvb, offset);
return offset;
}
static const ber_sequence_t T_result_sequence[] = {
{ &hf_q932_ros_opcode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_Code },
{ &hf_q932_ros_resultArgument, BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_q932_ros_ResultArgument },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_T_result(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
T_result_sequence, hf_index, ett_q932_ros_T_result);
return offset;
}
static const ber_sequence_t ReturnResult_sequence[] = {
{ &hf_q932_ros_invokeId , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_InvokeId },
{ &hf_q932_ros_result , BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_q932_ros_T_result },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_ReturnResult(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
dissector_handle_t res_handle = NULL;
const gchar *descr = "";
actx->rose_ctx->d.code = -1;
res_next_tvb = NULL;
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
ReturnResult_sequence, hf_index, ett_q932_ros_ReturnResult);
actx->rose_ctx->d.pdu = 2;
if ((actx->rose_ctx->d.code == 0) && actx->rose_ctx->res_local_dissector_table) {
res_handle = dissector_get_uint_handle(actx->rose_ctx->res_local_dissector_table, actx->rose_ctx->d.code_local);
} else if ((actx->rose_ctx->d.code == 1) && actx->rose_ctx->res_global_dissector_table) {
res_handle = dissector_get_string_handle(actx->rose_ctx->res_global_dissector_table, actx->rose_ctx->d.code_global);
} else {
res_handle = NULL;
}
if (!res_handle ||
!proto_is_protocol_enabled(find_protocol_by_id(dissector_handle_get_protocol_index(res_handle)))) {
if (actx->rose_ctx->d.code == 0)
descr = wmem_strdup_printf(actx->pinfo->pool, "RES: %d", actx->rose_ctx->d.code_local);
else if (actx->rose_ctx->d.code == 1)
descr = wmem_strdup_printf(actx->pinfo->pool, "RES: %s", actx->rose_ctx->d.code_global);
} else {
descr = wmem_strdup(actx->pinfo->pool, "RES:");
}
if (actx->rose_ctx->apdu_depth >= 0)
proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), actx->rose_ctx->apdu_depth), " %s", descr);
if (actx->rose_ctx->fillin_info)
col_append_str(actx->pinfo->cinfo, COL_INFO, descr);
if (actx->rose_ctx->fillin_ptr)
(void) g_strlcat(actx->rose_ctx->fillin_ptr, descr, actx->rose_ctx->fillin_buf_size);
if (actx->rose_ctx->d.code != -1) {
if (!res_next_tvb) { /* empty result */
res_next_tvb = tvb_new_subset_length_caplen(tvb, (actx->encoding==ASN1_ENC_PER)?offset>>3:offset, 0, 0);
}
call_dissector_with_data((res_handle)?res_handle:data_handle, res_next_tvb, actx->pinfo, tree, actx->rose_ctx);
if (!res_handle) {
expert_add_info_format(actx->pinfo, tree, &ei_ros_undecoded, "Undecoded %s", descr);
}
}
return offset;
}
static int
dissect_q932_ros_T_parameter(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
gint len;
len = tvb_reported_length_remaining(tvb, offset);
if (len)
proto_tree_add_item(tree, hf_index, tvb, offset, len, ENC_NA);
err_next_tvb = tvb_new_subset_remaining(tvb, offset);
offset += tvb_reported_length_remaining(tvb, offset);
return offset;
}
static const ber_sequence_t ReturnError_sequence[] = {
{ &hf_q932_ros_invokeId , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_InvokeId },
{ &hf_q932_ros_errcode , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_Code },
{ &hf_q932_ros_parameter , BER_CLASS_ANY, 0, BER_FLAGS_OPTIONAL|BER_FLAGS_NOOWNTAG, dissect_q932_ros_T_parameter },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_ReturnError(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
dissector_handle_t err_handle = NULL;
const gchar *descr = "";
err_next_tvb = NULL;
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
ReturnError_sequence, hf_index, ett_q932_ros_ReturnError);
actx->rose_ctx->d.pdu = 3;
if ((actx->rose_ctx->d.code == 0) && actx->rose_ctx->err_local_dissector_table) {
err_handle = dissector_get_uint_handle(actx->rose_ctx->err_local_dissector_table, actx->rose_ctx->d.code_local);
} else if ((actx->rose_ctx->d.code == 1) && actx->rose_ctx->err_global_dissector_table) {
err_handle = dissector_get_string_handle(actx->rose_ctx->err_global_dissector_table, actx->rose_ctx->d.code_global);
} else {
err_handle = NULL;
}
if (!err_handle ||
!proto_is_protocol_enabled(find_protocol_by_id(dissector_handle_get_protocol_index(err_handle)))) {
if (actx->rose_ctx->d.code == 0)
descr = wmem_strdup_printf(actx->pinfo->pool, "ERR: %d", actx->rose_ctx->d.code_local);
else if (actx->rose_ctx->d.code == 1)
descr = wmem_strdup_printf(actx->pinfo->pool, "ERR: %s", actx->rose_ctx->d.code_global);
} else {
descr = wmem_strdup(actx->pinfo->pool, "ERR:");
}
if (actx->rose_ctx->apdu_depth >= 0)
proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), actx->rose_ctx->apdu_depth), " %s", descr);
if (actx->rose_ctx->fillin_info)
col_append_str(actx->pinfo->cinfo, COL_INFO, descr);
if (actx->rose_ctx->fillin_ptr)
(void) g_strlcat(actx->rose_ctx->fillin_ptr, descr, actx->rose_ctx->fillin_buf_size);
if (!err_next_tvb) { /* empty error */
err_next_tvb = tvb_new_subset_length_caplen(tvb, (actx->encoding==ASN1_ENC_PER)?offset>>3:offset, 0, 0);
}
call_dissector_with_data((err_handle)?err_handle:data_handle, err_next_tvb, actx->pinfo, tree, actx->rose_ctx);
if (!err_handle) {
expert_add_info_format(actx->pinfo, tree, &ei_ros_undecoded, "Undecoded %s", descr);
}
return offset;
}
static const value_string q932_ros_GeneralProblem_vals[] = {
{ 0, "unrecognizedComponent" },
{ 1, "mistypedComponent" },
{ 2, "badlyStructuredComponent" },
{ 0, NULL }
};
static int
dissect_q932_ros_GeneralProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
&problem_val);
(void) g_strlcpy(problem_str, val_to_str_const(problem_val, VALS(q932_ros_GeneralProblem_vals), ""), 64);
return offset;
}
static const value_string q932_ros_InvokeProblem_vals[] = {
{ 0, "duplicateInvocation" },
{ 1, "unrecognizedOperation" },
{ 2, "mistypedArgument" },
{ 3, "resourceLimitation" },
{ 4, "releaseInProgress" },
{ 5, "unrecognizedLinkedId" },
{ 6, "linkedResponseUnexpected" },
{ 7, "unexpectedLinkedOperation" },
{ 0, NULL }
};
static int
dissect_q932_ros_InvokeProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
&problem_val);
(void) g_strlcpy(problem_str, val_to_str_const(problem_val, VALS(q932_ros_InvokeProblem_vals), ""), 64);
return offset;
}
static const value_string q932_ros_ReturnResultProblem_vals[] = {
{ 0, "unrecognizedInvocation" },
{ 1, "resultResponseUnexpected" },
{ 2, "mistypedResult" },
{ 0, NULL }
};
static int
dissect_q932_ros_ReturnResultProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
&problem_val);
(void) g_strlcpy(problem_str, val_to_str_const(problem_val, VALS(q932_ros_ReturnResultProblem_vals), ""), 64);
return offset;
}
static const value_string q932_ros_ReturnErrorProblem_vals[] = {
{ 0, "unrecognizedInvocation" },
{ 1, "errorResponseUnexpected" },
{ 2, "unrecognizedError" },
{ 3, "unexpectedError" },
{ 4, "mistypedParameter" },
{ 0, NULL }
};
static int
dissect_q932_ros_ReturnErrorProblem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
&problem_val);
(void) g_strlcpy(problem_str, val_to_str_const(problem_val, VALS(q932_ros_ReturnErrorProblem_vals), ""), 64);
return offset;
}
static const value_string q932_ros_T_problem_vals[] = {
{ 0, "general" },
{ 1, "invoke" },
{ 2, "returnResult" },
{ 3, "returnError" },
{ 0, NULL }
};
static const ber_choice_t T_problem_choice[] = {
{ 0, &hf_q932_ros_general , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_q932_ros_GeneralProblem },
{ 1, &hf_q932_ros_invokeProblem, BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_q932_ros_InvokeProblem },
{ 2, &hf_q932_ros_returnResultProblem, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_q932_ros_ReturnResultProblem },
{ 3, &hf_q932_ros_returnErrorProblem, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_q932_ros_ReturnErrorProblem },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_T_problem(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
offset = dissect_ber_choice(actx, tree, tvb, offset,
T_problem_choice, hf_index, ett_q932_ros_T_problem,
NULL);
return offset;
}
static const ber_sequence_t Reject_sequence[] = {
{ &hf_q932_ros_invokeId , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_InvokeId },
{ &hf_q932_ros_problem , BER_CLASS_ANY/*choice*/, -1/*choice*/, BER_FLAGS_NOOWNTAG|BER_FLAGS_NOTCHKTAG, dissect_q932_ros_T_problem },
{ NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_Reject(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
const gchar *descr = "";
problem_str[0] = '\0';
offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
Reject_sequence, hf_index, ett_q932_ros_Reject);
descr = wmem_strdup_printf(actx->pinfo->pool, "REJ: %s", problem_str);
if (actx->rose_ctx->apdu_depth >= 0)
proto_item_append_text(proto_item_get_parent_nth(proto_tree_get_parent(tree), actx->rose_ctx->apdu_depth), " %s", descr);
if (actx->rose_ctx->fillin_info)
col_append_str(actx->pinfo->cinfo, COL_INFO, descr);
if (actx->rose_ctx->fillin_ptr)
(void) g_strlcat(actx->rose_ctx->fillin_ptr, descr, actx->rose_ctx->fillin_buf_size);
return offset;
}
static const value_string q932_ros_ROS_vals[] = {
{ 1, "invoke" },
{ 2, "returnResult" },
{ 3, "returnError" },
{ 4, "reject" },
{ 0, NULL }
};
static const ber_choice_t ROS_choice[] = {
{ 1, &hf_q932_ros_invoke , BER_CLASS_CON, 1, BER_FLAGS_IMPLTAG, dissect_q932_ros_Invoke },
{ 2, &hf_q932_ros_returnResult, BER_CLASS_CON, 2, BER_FLAGS_IMPLTAG, dissect_q932_ros_ReturnResult },
{ 3, &hf_q932_ros_returnError, BER_CLASS_CON, 3, BER_FLAGS_IMPLTAG, dissect_q932_ros_ReturnError },
{ 4, &hf_q932_ros_reject , BER_CLASS_CON, 4, BER_FLAGS_IMPLTAG, dissect_q932_ros_Reject },
{ 0, NULL, 0, 0, 0, NULL }
};
static int
dissect_q932_ros_ROS(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
/* will be moved to ROS_PDU when PDU function can be alternated from conformance file */
actx->rose_ctx = rose_ctx_tmp;
rose_ctx_clean_data(actx->rose_ctx);
offset = dissect_ber_choice(actx, tree, tvb, offset,
ROS_choice, hf_index, ett_q932_ros_ROS,
NULL);
return offset;
}
/*--- PDUs ---*/
static int dissect_ROS_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
int offset = 0;
asn1_ctx_t asn1_ctx;
asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
offset = dissect_q932_ros_ROS(FALSE, tvb, offset, &asn1_ctx, tree, hf_q932_ros_ROS_PDU);
return offset;
}
/*--- dissect_q932_ros -----------------------------------------------------*/
static int dissect_q932_ros(tvbuff_t *tvb, packet_info *pinfo, proto_tree *tree, void *data) {
/* Reject the packet if data is NULL */
if (data == NULL)
return 0;
rose_ctx_tmp = get_rose_ctx(data);
DISSECTOR_ASSERT(rose_ctx_tmp);
return dissect_ROS_PDU(tvb, pinfo, tree, NULL);
}
/*--- proto_register_q932_ros -----------------------------------------------*/
void proto_register_q932_ros(void) {
/* List of fields */
static hf_register_info hf[] = {
{ &hf_q932_ros_ROS_PDU,
{ "ROS", "q932.ros.ROS",
FT_UINT32, BASE_DEC, VALS(q932_ros_ROS_vals), 0,
NULL, HFILL }},
{ &hf_q932_ros_local,
{ "local", "q932.ros.local",
FT_INT32, BASE_DEC, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_global,
{ "global", "q932.ros.global",
FT_OID, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_invoke,
{ "invoke", "q932.ros.invoke_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_returnResult,
{ "returnResult", "q932.ros.returnResult_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_returnError,
{ "returnError", "q932.ros.returnError_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_reject,
{ "reject", "q932.ros.reject_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_invokeId,
{ "invokeId", "q932.ros.invokeId",
FT_UINT32, BASE_DEC, VALS(q932_ros_InvokeId_vals), 0,
NULL, HFILL }},
{ &hf_q932_ros_linkedId,
{ "linkedId", "q932.ros.linkedId",
FT_UINT32, BASE_DEC, VALS(q932_ros_T_linkedId_vals), 0,
NULL, HFILL }},
{ &hf_q932_ros_linkedIdPresent,
{ "present", "q932.ros.present",
FT_INT32, BASE_DEC, NULL, 0,
"T_linkedIdPresent", HFILL }},
{ &hf_q932_ros_absent,
{ "absent", "q932.ros.absent_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_opcode,
{ "opcode", "q932.ros.opcode",
FT_UINT32, BASE_DEC, VALS(q932_ros_Code_vals), 0,
"Code", HFILL }},
{ &hf_q932_ros_argument,
{ "argument", "q932.ros.argument",
FT_BYTES, BASE_NONE, NULL, 0,
"InvokeArgument", HFILL }},
{ &hf_q932_ros_result,
{ "result", "q932.ros.result_element",
FT_NONE, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_resultArgument,
{ "result", "q932.ros.result",
FT_BYTES, BASE_NONE, NULL, 0,
"ResultArgument", HFILL }},
{ &hf_q932_ros_errcode,
{ "errcode", "q932.ros.errcode",
FT_UINT32, BASE_DEC, VALS(q932_ros_Code_vals), 0,
"Code", HFILL }},
{ &hf_q932_ros_parameter,
{ "parameter", "q932.ros.parameter",
FT_BYTES, BASE_NONE, NULL, 0,
NULL, HFILL }},
{ &hf_q932_ros_problem,
{ "problem", "q932.ros.problem",
FT_UINT32, BASE_DEC, VALS(q932_ros_T_problem_vals), 0,
NULL, HFILL }},
{ &hf_q932_ros_general,
{ "general", "q932.ros.general",
FT_INT32, BASE_DEC, VALS(q932_ros_GeneralProblem_vals), 0,
"GeneralProblem", HFILL }},
{ &hf_q932_ros_invokeProblem,
{ "invoke", "q932.ros.invoke",
FT_INT32, BASE_DEC, VALS(q932_ros_InvokeProblem_vals), 0,
"InvokeProblem", HFILL }},
{ &hf_q932_ros_returnResultProblem,
{ "returnResult", "q932.ros.returnResult",
FT_INT32, BASE_DEC, VALS(q932_ros_ReturnResultProblem_vals), 0,
"ReturnResultProblem", HFILL }},
{ &hf_q932_ros_returnErrorProblem,
{ "returnError", "q932.ros.returnError",
FT_INT32, BASE_DEC, VALS(q932_ros_ReturnErrorProblem_vals), 0,
"ReturnErrorProblem", HFILL }},
{ &hf_q932_ros_present,
{ "present", "q932.ros.present",
FT_INT32, BASE_DEC, NULL, 0,
"INTEGER", HFILL }},
{ &hf_q932_ros_InvokeId_present,
{ "InvokeId.present", "q932.ros.InvokeId_present",
FT_INT32, BASE_DEC, NULL, 0,
"InvokeId_present", HFILL }},
};
/* List of subtrees */
static gint *ett[] = {
&ett_q932_ros_Code,
&ett_q932_ros_ROS,
&ett_q932_ros_Invoke,
&ett_q932_ros_T_linkedId,
&ett_q932_ros_ReturnResult,
&ett_q932_ros_T_result,
&ett_q932_ros_ReturnError,
&ett_q932_ros_Reject,
&ett_q932_ros_T_problem,
&ett_q932_ros_InvokeId,
};
static ei_register_info ei[] = {
{ &ei_ros_undecoded, { "q932.ros.undecoded", PI_UNDECODED, PI_WARN, "Undecoded", EXPFILL }},
};
expert_module_t* expert_q932_ros;
/* Register protocol and dissector */
proto_q932_ros = proto_register_protocol(PNAME, PSNAME, PFNAME);
proto_set_cant_toggle(proto_q932_ros);
/* Register fields and subtrees */
proto_register_field_array(proto_q932_ros, hf, array_length(hf));
proto_register_subtree_array(ett, array_length(ett));
expert_q932_ros = expert_register_protocol(proto_q932_ros);
expert_register_field_array(expert_q932_ros, ei, array_length(ei));
register_dissector(PFNAME, dissect_q932_ros, proto_q932_ros);
}
/*--- proto_reg_handoff_q932_ros --------------------------------------------*/
void proto_reg_handoff_q932_ros(void) {
data_handle = find_dissector("data");
}
/*---------------------------------------------------------------------------*/
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