forked from osmocom/wireshark
299 lines
12 KiB
C
299 lines
12 KiB
C
/* Do not modify this file. Changes will be overwritten. */
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/* Generated automatically by the ASN.1 to Wireshark dissector compiler */
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/* packet-pkcs10.c */
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/* asn2wrs.py -b -L -p pkcs10 -c ./pkcs10.cnf -s ./packet-pkcs10-template -D . -O ../.. PKCS10.asn */
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/* packet-p10.c
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*
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* Routines for PKCS10 packet dissection
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* Martin Peylo <wireshark@izac.de> 2018
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*
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* Wireshark - Network traffic analyzer
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* By Gerald Combs <gerald@wireshark.org>
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* Copyright 1998 Gerald Combs
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "config.h"
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#include <epan/packet.h>
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#include <epan/oids.h>
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#include <epan/asn1.h>
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#include "packet-ber.h"
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#include "packet-pkcs10.h"
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#include "packet-pkix1explicit.h"
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#include "packet-pkix1implicit.h"
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#include <epan/prefs.h>
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#define PNAME "PKCS10 Certification Request"
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#define PSNAME "PKCS10"
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#define PFNAME "pkcs10"
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void proto_register_pkcs10(void);
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/* Initialize the protocol and registered fields */
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static int proto_pkcs10 = -1;
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static int hf_pkcs10_Attributes_PDU = -1; /* Attributes */
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static int hf_pkcs10_CertificationRequest_PDU = -1; /* CertificationRequest */
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static int hf_pkcs10_version = -1; /* T_version */
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static int hf_pkcs10_subject = -1; /* Name */
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static int hf_pkcs10_subjectPKInfo = -1; /* SubjectPublicKeyInfo */
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static int hf_pkcs10_attributes = -1; /* Attributes */
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static int hf_pkcs10_Attributes_item = -1; /* Attribute */
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static int hf_pkcs10_type = -1; /* T_type */
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static int hf_pkcs10_values = -1; /* T_values */
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static int hf_pkcs10_values_item = -1; /* T_values_item */
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static int hf_pkcs10_certificationRequestInfo = -1; /* CertificationRequestInfo */
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static int hf_pkcs10_signatureAlgorithm = -1; /* AlgorithmIdentifier */
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static int hf_pkcs10_signature = -1; /* BIT_STRING */
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/* Initialize the subtree pointers */
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static gint ett_pkcs10_CertificationRequestInfo = -1;
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static gint ett_pkcs10_Attributes = -1;
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static gint ett_pkcs10_Attribute = -1;
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static gint ett_pkcs10_T_values = -1;
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static gint ett_pkcs10_CertificationRequest = -1;
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static const value_string pkcs10_T_version_vals[] = {
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{ 0, "v1" },
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{ 0, NULL }
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};
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static int
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dissect_pkcs10_T_version(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
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NULL);
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return offset;
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}
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static int
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dissect_pkcs10_T_type(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_pkcs10_type, &actx->external.direct_reference);
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return offset;
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}
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static int
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dissect_pkcs10_T_values_item(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset=call_ber_oid_callback(actx->external.direct_reference, tvb, offset, actx->pinfo, tree, NULL);
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return offset;
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}
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static const ber_sequence_t T_values_set_of[1] = {
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{ &hf_pkcs10_values_item , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_values_item },
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};
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static int
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dissect_pkcs10_T_values(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_set_of(implicit_tag, actx, tree, tvb, offset,
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T_values_set_of, hf_index, ett_pkcs10_T_values);
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return offset;
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}
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static const ber_sequence_t Attribute_sequence[] = {
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{ &hf_pkcs10_type , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_type },
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{ &hf_pkcs10_values , BER_CLASS_UNI, BER_UNI_TAG_SET, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_values },
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{ NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_pkcs10_Attribute(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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Attribute_sequence, hf_index, ett_pkcs10_Attribute);
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return offset;
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}
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static const ber_sequence_t Attributes_set_of[1] = {
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{ &hf_pkcs10_Attributes_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs10_Attribute },
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};
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static int
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dissect_pkcs10_Attributes(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_set_of(implicit_tag, actx, tree, tvb, offset,
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Attributes_set_of, hf_index, ett_pkcs10_Attributes);
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return offset;
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}
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static const ber_sequence_t CertificationRequestInfo_sequence[] = {
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{ &hf_pkcs10_version , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_version },
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{ &hf_pkcs10_subject , BER_CLASS_ANY, -1, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_Name },
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{ &hf_pkcs10_subjectPKInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_SubjectPublicKeyInfo },
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{ &hf_pkcs10_attributes , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_pkcs10_Attributes },
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{ NULL, 0, 0, 0, NULL }
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};
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static int
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dissect_pkcs10_CertificationRequestInfo(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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CertificationRequestInfo_sequence, hf_index, ett_pkcs10_CertificationRequestInfo);
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return offset;
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}
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static int
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dissect_pkcs10_BIT_STRING(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
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NULL, 0, hf_index, -1,
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NULL);
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return offset;
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}
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static const ber_sequence_t CertificationRequest_sequence[] = {
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{ &hf_pkcs10_certificationRequestInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs10_CertificationRequestInfo },
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{ &hf_pkcs10_signatureAlgorithm, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_AlgorithmIdentifier },
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{ &hf_pkcs10_signature , BER_CLASS_UNI, BER_UNI_TAG_BITSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs10_BIT_STRING },
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{ NULL, 0, 0, 0, NULL }
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};
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int
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dissect_pkcs10_CertificationRequest(gboolean implicit_tag _U_, tvbuff_t *tvb _U_, int offset _U_, asn1_ctx_t *actx _U_, proto_tree *tree _U_, int hf_index _U_) {
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offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
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CertificationRequest_sequence, hf_index, ett_pkcs10_CertificationRequest);
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return offset;
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}
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/*--- PDUs ---*/
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static int dissect_Attributes_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
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int offset = 0;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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offset = dissect_pkcs10_Attributes(FALSE, tvb, offset, &asn1_ctx, tree, hf_pkcs10_Attributes_PDU);
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return offset;
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}
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static int dissect_CertificationRequest_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
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int offset = 0;
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asn1_ctx_t asn1_ctx;
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asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
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offset = dissect_pkcs10_CertificationRequest(FALSE, tvb, offset, &asn1_ctx, tree, hf_pkcs10_CertificationRequest_PDU);
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return offset;
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}
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/*--- proto_register_pkcs10 ----------------------------------------------*/
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void proto_register_pkcs10(void) {
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/* List of fields */
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static hf_register_info hf[] = {
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{ &hf_pkcs10_Attributes_PDU,
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{ "Attributes", "pkcs10.Attributes",
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FT_UINT32, BASE_DEC, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_CertificationRequest_PDU,
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{ "CertificationRequest", "pkcs10.CertificationRequest_element",
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FT_NONE, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_version,
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{ "version", "pkcs10.version",
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FT_UINT32, BASE_DEC, VALS(pkcs10_T_version_vals), 0,
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NULL, HFILL }},
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{ &hf_pkcs10_subject,
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{ "subject", "pkcs10.subject",
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FT_UINT32, BASE_DEC, NULL, 0,
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"Name", HFILL }},
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{ &hf_pkcs10_subjectPKInfo,
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{ "subjectPKInfo", "pkcs10.subjectPKInfo_element",
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FT_NONE, BASE_NONE, NULL, 0,
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"SubjectPublicKeyInfo", HFILL }},
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{ &hf_pkcs10_attributes,
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{ "attributes", "pkcs10.attributes",
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FT_UINT32, BASE_DEC, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_Attributes_item,
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{ "Attribute", "pkcs10.Attribute_element",
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FT_NONE, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_type,
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{ "type", "pkcs10.type",
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FT_OID, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_values,
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{ "values", "pkcs10.values",
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FT_UINT32, BASE_DEC, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_values_item,
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{ "values item", "pkcs10.values_item_element",
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FT_NONE, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_certificationRequestInfo,
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{ "certificationRequestInfo", "pkcs10.certificationRequestInfo_element",
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FT_NONE, BASE_NONE, NULL, 0,
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NULL, HFILL }},
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{ &hf_pkcs10_signatureAlgorithm,
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{ "signatureAlgorithm", "pkcs10.signatureAlgorithm_element",
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FT_NONE, BASE_NONE, NULL, 0,
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"AlgorithmIdentifier", HFILL }},
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{ &hf_pkcs10_signature,
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{ "signature", "pkcs10.signature",
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FT_BYTES, BASE_NONE, NULL, 0,
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"BIT_STRING", HFILL }},
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};
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/* List of subtrees */
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static gint *ett[] = {
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&ett_pkcs10_CertificationRequestInfo,
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&ett_pkcs10_Attributes,
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&ett_pkcs10_Attribute,
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&ett_pkcs10_T_values,
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&ett_pkcs10_CertificationRequest,
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};
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/* Register protocol */
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proto_pkcs10 = proto_register_protocol(PNAME, PSNAME, PFNAME);
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/* Register fields and subtrees */
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proto_register_field_array(proto_pkcs10, hf, array_length(hf));
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proto_register_subtree_array(ett, array_length(ett));
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register_ber_syntax_dissector("CertificationRequest", proto_pkcs10, dissect_CertificationRequest_PDU);
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register_ber_oid_syntax(".p10", NULL, "CertificationRequest");
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register_ber_oid_syntax(".csr", NULL, "CertificationRequest");
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}
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/*--- proto_reg_handoff_pkcs10 -------------------------------------------*/
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void proto_reg_handoff_pkcs10(void) {
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dissector_handle_t csr_handle;
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register_ber_oid_dissector("1.2.840.113549.1.9.9", dissect_Attributes_PDU, proto_pkcs10, "pkcs-9-at-extendedCertificateAttributes");
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csr_handle = create_dissector_handle(dissect_CertificationRequest_PDU, proto_pkcs10);
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dissector_add_string("media_type", "application/pkcs10", csr_handle); /* RFC 5967 */
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dissector_add_string("rfc7468.preeb_label", "CERTIFICATE REQUEST", csr_handle); /* RFC 7468 */
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dissector_add_string("rfc7468.preeb_label", "NEW CERTIFICATE REQUEST", csr_handle); /* RFC 7468 Appendix A. Non-conforming expample*/
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}
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