1 /* Do not modify this file. Changes will be overwritten.                      */
2 /* Generated automatically by the ASN.1 to Wireshark dissector compiler       */
3 /* packet-pkcs10.c                                                            */
4 /* asn2wrs.py -b -p pkcs10 -c ./pkcs10.cnf -s ./packet-pkcs10-template -D . -O ../.. PKCS10.asn */
5 
6 /* Input file: packet-pkcs10-template.c */
7 
8 #line 1 "./asn1/pkcs10/packet-pkcs10-template.c"
9 /* packet-p10.c
10  *
11  * Routines for PKCS10 packet dissection
12  *   Martin Peylo <wireshark@izac.de> 2018
13  *
14  * Wireshark - Network traffic analyzer
15  * By Gerald Combs <gerald@wireshark.org>
16  * Copyright 1998 Gerald Combs
17  *
18  * This program is free software; you can redistribute it and/or
19  * modify it under the terms of the GNU General Public License
20  * as published by the Free Software Foundation; either version 2
21  * of the License, or (at your option) any later version.
22  *
23  * This program is distributed in the hope that it will be useful,
24  * but WITHOUT ANY WARRANTY; without even the implied warranty of
25  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
26  * GNU General Public License for more details.
27  *
28  * You should have received a copy of the GNU General Public License
29  * along with this program; if not, write to the Free Software
30  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
31  */
32 
33 #include "config.h"
34 
35 #include <epan/packet.h>
36 
37 #include <epan/oids.h>
38 #include <epan/asn1.h>
39 #include "packet-ber.h"
40 #include "packet-pkcs10.h"
41 #include "packet-pkix1explicit.h"
42 #include "packet-pkix1implicit.h"
43 #include <epan/prefs.h>
44 
45 #define PNAME  "PKCS10 Certification Request"
46 #define PSNAME "PKCS10"
47 #define PFNAME "pkcs10"
48 
49 void proto_register_pkcs10(void);
50 
51 /* Initialize the protocol and registered fields */
52 static int proto_pkcs10 = -1;
53 
54 /*--- Included file: packet-pkcs10-hf.c ---*/
55 #line 1 "./asn1/pkcs10/packet-pkcs10-hf.c"
56 static int hf_pkcs10_Attributes_PDU = -1;         /* Attributes */
57 static int hf_pkcs10_CertificationRequest_PDU = -1;  /* CertificationRequest */
58 static int hf_pkcs10_version = -1;                /* T_version */
59 static int hf_pkcs10_subject = -1;                /* Name */
60 static int hf_pkcs10_subjectPKInfo = -1;          /* SubjectPublicKeyInfo */
61 static int hf_pkcs10_attributes = -1;             /* Attributes */
62 static int hf_pkcs10_Attributes_item = -1;        /* Attribute */
63 static int hf_pkcs10_type = -1;                   /* T_type */
64 static int hf_pkcs10_values = -1;                 /* T_values */
65 static int hf_pkcs10_values_item = -1;            /* T_values_item */
66 static int hf_pkcs10_certificationRequestInfo = -1;  /* CertificationRequestInfo */
67 static int hf_pkcs10_signatureAlgorithm = -1;     /* AlgorithmIdentifier */
68 static int hf_pkcs10_signature = -1;              /* BIT_STRING */
69 
70 /*--- End of included file: packet-pkcs10-hf.c ---*/
71 #line 46 "./asn1/pkcs10/packet-pkcs10-template.c"
72 
73 /* Initialize the subtree pointers */
74 
75 /*--- Included file: packet-pkcs10-ett.c ---*/
76 #line 1 "./asn1/pkcs10/packet-pkcs10-ett.c"
77 static gint ett_pkcs10_CertificationRequestInfo = -1;
78 static gint ett_pkcs10_Attributes = -1;
79 static gint ett_pkcs10_Attribute = -1;
80 static gint ett_pkcs10_T_values = -1;
81 static gint ett_pkcs10_CertificationRequest = -1;
82 
83 /*--- End of included file: packet-pkcs10-ett.c ---*/
84 #line 49 "./asn1/pkcs10/packet-pkcs10-template.c"
85 
86 /*--- Included file: packet-pkcs10-fn.c ---*/
87 #line 1 "./asn1/pkcs10/packet-pkcs10-fn.c"
88 
89 static const value_string pkcs10_T_version_vals[] = {
90   {   0, "v1" },
91   { 0, NULL }
92 };
93 
94 
95 static int
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_)96 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_) {
97   offset = dissect_ber_integer(implicit_tag, actx, tree, tvb, offset, hf_index,
98                                                 NULL);
99 
100   return offset;
101 }
102 
103 
104 
105 static int
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_)106 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_) {
107   offset = dissect_ber_object_identifier_str(implicit_tag, actx, tree, tvb, offset, hf_pkcs10_type, &actx->external.direct_reference);
108 
109   return offset;
110 }
111 
112 
113 
114 static int
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_)115 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_) {
116 #line 29 "./asn1/pkcs10/pkcs10.cnf"
117     offset=call_ber_oid_callback(actx->external.direct_reference, tvb, offset, actx->pinfo, tree, NULL);
118 
119 
120 
121   return offset;
122 }
123 
124 
125 static const ber_sequence_t T_values_set_of[1] = {
126   { &hf_pkcs10_values_item  , BER_CLASS_ANY, 0, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_values_item },
127 };
128 
129 static int
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_)130 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_) {
131   offset = dissect_ber_set_of(implicit_tag, actx, tree, tvb, offset,
132                                  T_values_set_of, hf_index, ett_pkcs10_T_values);
133 
134   return offset;
135 }
136 
137 
138 static const ber_sequence_t Attribute_sequence[] = {
139   { &hf_pkcs10_type         , BER_CLASS_UNI, BER_UNI_TAG_OID, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_type },
140   { &hf_pkcs10_values       , BER_CLASS_UNI, BER_UNI_TAG_SET, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_values },
141   { NULL, 0, 0, 0, NULL }
142 };
143 
144 static int
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_)145 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_) {
146   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
147                                    Attribute_sequence, hf_index, ett_pkcs10_Attribute);
148 
149   return offset;
150 }
151 
152 
153 static const ber_sequence_t Attributes_set_of[1] = {
154   { &hf_pkcs10_Attributes_item, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs10_Attribute },
155 };
156 
157 static int
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_)158 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_) {
159   offset = dissect_ber_set_of(implicit_tag, actx, tree, tvb, offset,
160                                  Attributes_set_of, hf_index, ett_pkcs10_Attributes);
161 
162   return offset;
163 }
164 
165 
166 static const ber_sequence_t CertificationRequestInfo_sequence[] = {
167   { &hf_pkcs10_version      , BER_CLASS_UNI, BER_UNI_TAG_INTEGER, BER_FLAGS_NOOWNTAG, dissect_pkcs10_T_version },
168   { &hf_pkcs10_subject      , BER_CLASS_ANY, -1, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_Name },
169   { &hf_pkcs10_subjectPKInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_SubjectPublicKeyInfo },
170   { &hf_pkcs10_attributes   , BER_CLASS_CON, 0, BER_FLAGS_IMPLTAG, dissect_pkcs10_Attributes },
171   { NULL, 0, 0, 0, NULL }
172 };
173 
174 static int
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_)175 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_) {
176   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
177                                    CertificationRequestInfo_sequence, hf_index, ett_pkcs10_CertificationRequestInfo);
178 
179   return offset;
180 }
181 
182 
183 
184 static int
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_)185 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_) {
186   offset = dissect_ber_bitstring(implicit_tag, actx, tree, tvb, offset,
187                                     NULL, 0, hf_index, -1,
188                                     NULL);
189 
190   return offset;
191 }
192 
193 
194 static const ber_sequence_t CertificationRequest_sequence[] = {
195   { &hf_pkcs10_certificationRequestInfo, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkcs10_CertificationRequestInfo },
196   { &hf_pkcs10_signatureAlgorithm, BER_CLASS_UNI, BER_UNI_TAG_SEQUENCE, BER_FLAGS_NOOWNTAG, dissect_pkix1explicit_AlgorithmIdentifier },
197   { &hf_pkcs10_signature    , BER_CLASS_UNI, BER_UNI_TAG_BITSTRING, BER_FLAGS_NOOWNTAG, dissect_pkcs10_BIT_STRING },
198   { NULL, 0, 0, 0, NULL }
199 };
200 
201 int
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_)202 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_) {
203   offset = dissect_ber_sequence(implicit_tag, actx, tree, tvb, offset,
204                                    CertificationRequest_sequence, hf_index, ett_pkcs10_CertificationRequest);
205 
206   return offset;
207 }
208 
209 /*--- PDUs ---*/
210 
dissect_Attributes_PDU(tvbuff_t * tvb _U_,packet_info * pinfo _U_,proto_tree * tree _U_,void * data _U_)211 static int dissect_Attributes_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
212   int offset = 0;
213   asn1_ctx_t asn1_ctx;
214   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
215   offset = dissect_pkcs10_Attributes(FALSE, tvb, offset, &asn1_ctx, tree, hf_pkcs10_Attributes_PDU);
216   return offset;
217 }
dissect_CertificationRequest_PDU(tvbuff_t * tvb _U_,packet_info * pinfo _U_,proto_tree * tree _U_,void * data _U_)218 static int dissect_CertificationRequest_PDU(tvbuff_t *tvb _U_, packet_info *pinfo _U_, proto_tree *tree _U_, void *data _U_) {
219   int offset = 0;
220   asn1_ctx_t asn1_ctx;
221   asn1_ctx_init(&asn1_ctx, ASN1_ENC_BER, TRUE, pinfo);
222   offset = dissect_pkcs10_CertificationRequest(FALSE, tvb, offset, &asn1_ctx, tree, hf_pkcs10_CertificationRequest_PDU);
223   return offset;
224 }
225 
226 
227 /*--- End of included file: packet-pkcs10-fn.c ---*/
228 #line 50 "./asn1/pkcs10/packet-pkcs10-template.c"
229 
230 /*--- proto_register_pkcs10 ----------------------------------------------*/
proto_register_pkcs10(void)231 void proto_register_pkcs10(void) {
232 
233 	/* List of fields */
234 	static hf_register_info hf[] = {
235 
236 /*--- Included file: packet-pkcs10-hfarr.c ---*/
237 #line 1 "./asn1/pkcs10/packet-pkcs10-hfarr.c"
238     { &hf_pkcs10_Attributes_PDU,
239       { "Attributes", "pkcs10.Attributes",
240         FT_UINT32, BASE_DEC, NULL, 0,
241         NULL, HFILL }},
242     { &hf_pkcs10_CertificationRequest_PDU,
243       { "CertificationRequest", "pkcs10.CertificationRequest_element",
244         FT_NONE, BASE_NONE, NULL, 0,
245         NULL, HFILL }},
246     { &hf_pkcs10_version,
247       { "version", "pkcs10.version",
248         FT_UINT32, BASE_DEC, VALS(pkcs10_T_version_vals), 0,
249         NULL, HFILL }},
250     { &hf_pkcs10_subject,
251       { "subject", "pkcs10.subject",
252         FT_UINT32, BASE_DEC, NULL, 0,
253         "Name", HFILL }},
254     { &hf_pkcs10_subjectPKInfo,
255       { "subjectPKInfo", "pkcs10.subjectPKInfo_element",
256         FT_NONE, BASE_NONE, NULL, 0,
257         "SubjectPublicKeyInfo", HFILL }},
258     { &hf_pkcs10_attributes,
259       { "attributes", "pkcs10.attributes",
260         FT_UINT32, BASE_DEC, NULL, 0,
261         NULL, HFILL }},
262     { &hf_pkcs10_Attributes_item,
263       { "Attribute", "pkcs10.Attribute_element",
264         FT_NONE, BASE_NONE, NULL, 0,
265         NULL, HFILL }},
266     { &hf_pkcs10_type,
267       { "type", "pkcs10.type",
268         FT_OID, BASE_NONE, NULL, 0,
269         NULL, HFILL }},
270     { &hf_pkcs10_values,
271       { "values", "pkcs10.values",
272         FT_UINT32, BASE_DEC, NULL, 0,
273         NULL, HFILL }},
274     { &hf_pkcs10_values_item,
275       { "values item", "pkcs10.values_item_element",
276         FT_NONE, BASE_NONE, NULL, 0,
277         NULL, HFILL }},
278     { &hf_pkcs10_certificationRequestInfo,
279       { "certificationRequestInfo", "pkcs10.certificationRequestInfo_element",
280         FT_NONE, BASE_NONE, NULL, 0,
281         NULL, HFILL }},
282     { &hf_pkcs10_signatureAlgorithm,
283       { "signatureAlgorithm", "pkcs10.signatureAlgorithm_element",
284         FT_NONE, BASE_NONE, NULL, 0,
285         "AlgorithmIdentifier", HFILL }},
286     { &hf_pkcs10_signature,
287       { "signature", "pkcs10.signature",
288         FT_BYTES, BASE_NONE, NULL, 0,
289         "BIT_STRING", HFILL }},
290 
291 /*--- End of included file: packet-pkcs10-hfarr.c ---*/
292 #line 57 "./asn1/pkcs10/packet-pkcs10-template.c"
293 	};
294 
295 	/* List of subtrees */
296 	static gint *ett[] = {
297 
298 /*--- Included file: packet-pkcs10-ettarr.c ---*/
299 #line 1 "./asn1/pkcs10/packet-pkcs10-ettarr.c"
300     &ett_pkcs10_CertificationRequestInfo,
301     &ett_pkcs10_Attributes,
302     &ett_pkcs10_Attribute,
303     &ett_pkcs10_T_values,
304     &ett_pkcs10_CertificationRequest,
305 
306 /*--- End of included file: packet-pkcs10-ettarr.c ---*/
307 #line 62 "./asn1/pkcs10/packet-pkcs10-template.c"
308 	};
309 	/* Register protocol */
310 	proto_pkcs10 = proto_register_protocol(PNAME, PSNAME, PFNAME);
311 
312 	/* Register fields and subtrees */
313 	proto_register_field_array(proto_pkcs10, hf, array_length(hf));
314 	proto_register_subtree_array(ett, array_length(ett));
315 
316   register_ber_syntax_dissector("CertificationRequest", proto_pkcs10, dissect_CertificationRequest_PDU);
317   register_ber_oid_syntax(".p10", NULL, "CertificationRequest");
318   register_ber_oid_syntax(".csr", NULL, "CertificationRequest");
319 }
320 
321 
322 /*--- proto_reg_handoff_pkcs10 -------------------------------------------*/
proto_reg_handoff_pkcs10(void)323 void proto_reg_handoff_pkcs10(void) {
324   dissector_handle_t csr_handle;
325 
326 
327 /*--- Included file: packet-pkcs10-dis-tab.c ---*/
328 #line 1 "./asn1/pkcs10/packet-pkcs10-dis-tab.c"
329   register_ber_oid_dissector("1.2.840.113549.1.9.9", dissect_Attributes_PDU, proto_pkcs10, "pkcs-9-at-extendedCertificateAttributes");
330 
331 
332 /*--- End of included file: packet-pkcs10-dis-tab.c ---*/
333 #line 81 "./asn1/pkcs10/packet-pkcs10-template.c"
334 
335   csr_handle = create_dissector_handle(dissect_CertificationRequest_PDU, proto_pkcs10);
336   dissector_add_string("media_type", "application/pkcs10", csr_handle); /* RFC 5967 */
337   dissector_add_string("rfc7468.preeb_label", "CERTIFICATE REQUEST", csr_handle); /* RFC 7468 */
338   dissector_add_string("rfc7468.preeb_label", "NEW CERTIFICATE REQUEST", csr_handle); /* RFC 7468 Appendix A. Non-conforming expample*/
339 }
340