1 /* 2 * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <openssl/ts.h> 11 #include <openssl/err.h> 12 #include <openssl/asn1t.h> 13 #include "ts_local.h" 14 15 ASN1_SEQUENCE(TS_MSG_IMPRINT) = { 16 ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR), 17 ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING) 18 } static_ASN1_SEQUENCE_END(TS_MSG_IMPRINT) 19 20 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT) 21 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT) 22 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a) 23 { 24 return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, 25 d2i_TS_MSG_IMPRINT, bp, a); 26 } 27 28 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a) 29 { 30 return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a); 31 } 32 #ifndef OPENSSL_NO_STDIO 33 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a) 34 { 35 return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, 36 d2i_TS_MSG_IMPRINT, fp, a); 37 } 38 39 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a) 40 { 41 return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a); 42 } 43 #endif 44 45 ASN1_SEQUENCE(TS_REQ) = { 46 ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER), 47 ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT), 48 ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT), 49 ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER), 50 ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN), 51 ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0) 52 } static_ASN1_SEQUENCE_END(TS_REQ) 53 54 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ) 55 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ) 56 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a) 57 { 58 return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a); 59 } 60 61 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a) 62 { 63 return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a); 64 } 65 #ifndef OPENSSL_NO_STDIO 66 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a) 67 { 68 return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a); 69 } 70 71 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a) 72 { 73 return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a); 74 } 75 #endif 76 77 ASN1_SEQUENCE(TS_ACCURACY) = { 78 ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER), 79 ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0), 80 ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1) 81 } static_ASN1_SEQUENCE_END(TS_ACCURACY) 82 83 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY) 84 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY) 85 86 ASN1_SEQUENCE(TS_TST_INFO) = { 87 ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER), 88 ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT), 89 ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT), 90 ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER), 91 ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME), 92 ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY), 93 ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN), 94 ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER), 95 ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0), 96 ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1) 97 } static_ASN1_SEQUENCE_END(TS_TST_INFO) 98 99 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO) 100 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO) 101 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a) 102 { 103 return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp, 104 a); 105 } 106 107 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a) 108 { 109 return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a); 110 } 111 #ifndef OPENSSL_NO_STDIO 112 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a) 113 { 114 return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp, 115 a); 116 } 117 118 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a) 119 { 120 return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a); 121 } 122 #endif 123 124 ASN1_SEQUENCE(TS_STATUS_INFO) = { 125 ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER), 126 ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING), 127 ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING) 128 } static_ASN1_SEQUENCE_END(TS_STATUS_INFO) 129 130 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO) 131 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO) 132 133 static int ts_resp_set_tst_info(TS_RESP *a) 134 { 135 long status; 136 137 status = ASN1_INTEGER_get(a->status_info->status); 138 139 if (a->token) { 140 if (status != 0 && status != 1) { 141 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT); 142 return 0; 143 } 144 TS_TST_INFO_free(a->tst_info); 145 a->tst_info = PKCS7_to_TS_TST_INFO(a->token); 146 if (!a->tst_info) { 147 TSerr(TS_F_TS_RESP_SET_TST_INFO, 148 TS_R_PKCS7_TO_TS_TST_INFO_FAILED); 149 return 0; 150 } 151 } else if (status == 0 || status == 1) { 152 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT); 153 return 0; 154 } 155 156 return 1; 157 } 158 159 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it, 160 void *exarg) 161 { 162 TS_RESP *ts_resp = (TS_RESP *)*pval; 163 if (op == ASN1_OP_NEW_POST) { 164 ts_resp->tst_info = NULL; 165 } else if (op == ASN1_OP_FREE_POST) { 166 TS_TST_INFO_free(ts_resp->tst_info); 167 } else if (op == ASN1_OP_D2I_POST) { 168 if (ts_resp_set_tst_info(ts_resp) == 0) 169 return 0; 170 } 171 return 1; 172 } 173 174 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = { 175 ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO), 176 ASN1_OPT(TS_RESP, token, PKCS7), 177 } static_ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP) 178 179 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP) 180 181 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP) 182 183 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a) 184 { 185 return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a); 186 } 187 188 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a) 189 { 190 return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a); 191 } 192 #ifndef OPENSSL_NO_STDIO 193 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a) 194 { 195 return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a); 196 } 197 198 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a) 199 { 200 return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a); 201 } 202 #endif 203 204 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = { 205 ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME), 206 ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER) 207 } static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL) 208 209 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL) 210 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL) 211 212 ASN1_SEQUENCE(ESS_CERT_ID) = { 213 ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING), 214 ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL) 215 } static_ASN1_SEQUENCE_END(ESS_CERT_ID) 216 217 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID) 218 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID) 219 220 ASN1_SEQUENCE(ESS_SIGNING_CERT) = { 221 ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID), 222 ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO) 223 } static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT) 224 225 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT) 226 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT) 227 228 ASN1_SEQUENCE(ESS_CERT_ID_V2) = { 229 ASN1_OPT(ESS_CERT_ID_V2, hash_alg, X509_ALGOR), 230 ASN1_SIMPLE(ESS_CERT_ID_V2, hash, ASN1_OCTET_STRING), 231 ASN1_OPT(ESS_CERT_ID_V2, issuer_serial, ESS_ISSUER_SERIAL) 232 } static_ASN1_SEQUENCE_END(ESS_CERT_ID_V2) 233 234 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID_V2) 235 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID_V2) 236 237 ASN1_SEQUENCE(ESS_SIGNING_CERT_V2) = { 238 ASN1_SEQUENCE_OF(ESS_SIGNING_CERT_V2, cert_ids, ESS_CERT_ID_V2), 239 ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT_V2, policy_info, POLICYINFO) 240 } static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT_V2) 241 242 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT_V2) 243 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT_V2) 244 245 /* Getting encapsulated TS_TST_INFO object from PKCS7. */ 246 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token) 247 { 248 PKCS7_SIGNED *pkcs7_signed; 249 PKCS7 *enveloped; 250 ASN1_TYPE *tst_info_wrapper; 251 ASN1_OCTET_STRING *tst_info_der; 252 const unsigned char *p; 253 254 if (!PKCS7_type_is_signed(token)) { 255 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE); 256 return NULL; 257 } 258 if (PKCS7_get_detached(token)) { 259 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT); 260 return NULL; 261 } 262 pkcs7_signed = token->d.sign; 263 enveloped = pkcs7_signed->contents; 264 if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) { 265 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE); 266 return NULL; 267 } 268 tst_info_wrapper = enveloped->d.other; 269 if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) { 270 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE); 271 return NULL; 272 } 273 tst_info_der = tst_info_wrapper->value.octet_string; 274 p = tst_info_der->data; 275 return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length); 276 } 277