crypto/cmp/cmp_msg.c

   1 /*
   2  * Copyright 2007-2021 The OpenSSL Project Authors. All Rights Reserved.
   3  * Copyright Nokia 2007-2019
   4  * Copyright Siemens AG 2015-2019
   5  *
   6  * Licensed under the Apache License 2.0 (the "License").  You may not use
   7  * this file except in compliance with the License.  You can obtain a copy
   8  * in the file LICENSE in the source distribution or at
   9  * https://www.openssl.org/source/license.html
  10  */
  11
  12 /* CMP functions for PKIMessage construction */
  13
  14 #include "cmp_local.h"
  15
  16 /* explicit #includes not strictly needed since implied by the above: */
  17 #include <openssl/asn1t.h>
  18 #include <openssl/cmp.h>
  19 #include <openssl/crmf.h>
  20 #include <openssl/err.h>
  21 #include <openssl/x509.h>
  22
  23 OSSL_CMP_MSG *OSSL_CMP_MSG_new(OSSL_LIB_CTX *libctx, const char *propq)
  24 {
  25     OSSL_CMP_MSG *msg = NULL;
  26
  27     msg = (OSSL_CMP_MSG *)ASN1_item_new_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG),
  28                                            libctx, propq);
  29     if (!ossl_cmp_msg_set0_libctx(msg, libctx, propq)) {
  30         OSSL_CMP_MSG_free(msg);
  31         msg = NULL;
  32     }
  33     return msg;
  34 }
  35
  36 void OSSL_CMP_MSG_free(OSSL_CMP_MSG *msg)
  37 {
  38     ASN1_item_free((ASN1_VALUE *)msg, ASN1_ITEM_rptr(OSSL_CMP_MSG));
  39 }
  40
  41 /*
  42  * This should only be used if the X509 object was embedded inside another
  43  * asn1 object and it needs a libctx to operate.
  44  * Use OSSL_CMP_MSG_new() instead if possible.
  45  */
  46 int ossl_cmp_msg_set0_libctx(OSSL_CMP_MSG *msg, OSSL_LIB_CTX *libctx,
  47                              const char *propq)
  48 {
  49     if (msg != NULL) {
  50         msg->libctx = libctx;
  51         OPENSSL_free(msg->propq);
  52         msg->propq = NULL;
  53         if (propq != NULL) {
  54             msg->propq = OPENSSL_strdup(propq);
  55             if (msg->propq == NULL)
  56                 return 0;
  57         }
  58     }
  59     return 1;
  60 }
  61
  62
  63 OSSL_CMP_PKIHEADER *OSSL_CMP_MSG_get0_header(const OSSL_CMP_MSG *msg)
  64 {
  65     if (msg == NULL) {
  66         ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
  67         return NULL;
  68     }
  69     return msg->header;
  70 }
  71
  72 const char *ossl_cmp_bodytype_to_string(int type)
  73 {
  74     static const char *type_names[] = {
  75         "IR", "IP", "CR", "CP", "P10CR",
  76         "POPDECC", "POPDECR", "KUR", "KUP",
  77         "KRR", "KRP", "RR", "RP", "CCR", "CCP",
  78         "CKUANN", "CANN", "RANN", "CRLANN", "PKICONF", "NESTED",
  79         "GENM", "GENP", "ERROR", "CERTCONF", "POLLREQ", "POLLREP",
  80     };
  81
  82     if (type < 0 || type > OSSL_CMP_PKIBODY_TYPE_MAX)
  83         return "illegal body type";
  84     return type_names[type];
  85 }
  86
  87 int ossl_cmp_msg_set_bodytype(OSSL_CMP_MSG *msg, int type)
  88 {
  89     if (!ossl_assert(msg != NULL && msg->body != NULL))
  90         return 0;
  91
  92     msg->body->type = type;
  93     return 1;
  94 }
  95
  96 int OSSL_CMP_MSG_get_bodytype(const OSSL_CMP_MSG *msg)
  97 {
  98     if (!ossl_assert(msg != NULL && msg->body != NULL))
  99         return -1;
 100
 101     return msg->body->type;
 102 }
 103
 104 /* Add an extension to the referenced extension stack, which may be NULL */
 105 static int add1_extension(X509_EXTENSIONS **pexts, int nid, int crit, void *ex)
 106 {
 107     X509_EXTENSION *ext;
 108     int res;
 109
 110     if (!ossl_assert(pexts != NULL)) /* pointer to var must not be NULL */
 111         return 0;
 112
 113     if ((ext = X509V3_EXT_i2d(nid, crit, ex)) == NULL)
 114         return 0;
 115
 116     res = X509v3_add_ext(pexts, ext, 0) != NULL;
 117     X509_EXTENSION_free(ext);
 118     return res;
 119 }
 120
 121 /* Add extension list to the referenced extension stack, which may be NULL */
 122 static int add_extensions(STACK_OF(X509_EXTENSION) **target,
 123                           const STACK_OF(X509_EXTENSION) *exts)
 124 {
 125     int i;
 126
 127     if (target == NULL)
 128         return 0;
 129
 130     for (i = 0; i < sk_X509_EXTENSION_num(exts); i++) {
 131         X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
 132         ASN1_OBJECT *obj = X509_EXTENSION_get_object(ext);
 133         int idx = X509v3_get_ext_by_OBJ(*target, obj, -1);
 134
 135         /* Does extension exist in target? */
 136         if (idx != -1) {
 137             /* Delete all extensions of same type */
 138             do {
 139                 X509_EXTENSION_free(sk_X509_EXTENSION_delete(*target, idx));
 140                 idx = X509v3_get_ext_by_OBJ(*target, obj, -1);
 141             } while (idx != -1);
 142         }
 143         if (!X509v3_add_ext(target, ext, -1))
 144             return 0;
 145     }
 146     return 1;
 147 }
 148
 149 /* Add a CRL revocation reason code to extension stack, which may be NULL */
 150 static int add_crl_reason_extension(X509_EXTENSIONS **pexts, int reason_code)
 151 {
 152     ASN1_ENUMERATED *val = ASN1_ENUMERATED_new();
 153     int res = 0;
 154
 155     if (val != NULL && ASN1_ENUMERATED_set(val, reason_code))
 156         res = add1_extension(pexts, NID_crl_reason, 0 /* non-critical */, val);
 157     ASN1_ENUMERATED_free(val);
 158     return res;
 159 }
 160
 161 OSSL_CMP_MSG *ossl_cmp_msg_create(OSSL_CMP_CTX *ctx, int bodytype)
 162 {
 163     OSSL_CMP_MSG *msg = NULL;
 164
 165     if (!ossl_assert(ctx != NULL))
 166         return NULL;
 167
 168     if ((msg = OSSL_CMP_MSG_new(ctx->libctx, ctx->propq)) == NULL)
 169         return NULL;
 170     if (!ossl_cmp_hdr_init(ctx, msg->header)
 171             || !ossl_cmp_msg_set_bodytype(msg, bodytype))
 172         goto err;
 173     if (ctx->geninfo_ITAVs != NULL
 174             && !ossl_cmp_hdr_generalInfo_push1_items(msg->header,
 175                                                      ctx->geninfo_ITAVs))
 176         goto err;
 177
 178     switch (bodytype) {
 179     case OSSL_CMP_PKIBODY_IR:
 180     case OSSL_CMP_PKIBODY_CR:
 181     case OSSL_CMP_PKIBODY_KUR:
 182         if ((msg->body->value.ir = OSSL_CRMF_MSGS_new()) == NULL)
 183             goto err;
 184         return msg;
 185
 186     case OSSL_CMP_PKIBODY_P10CR:
 187         if (ctx->p10CSR == NULL) {
 188             ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_P10CSR);
 189             goto err;
 190         }
 191         if ((msg->body->value.p10cr = X509_REQ_dup(ctx->p10CSR)) == NULL)
 192             goto err;
 193         return msg;
 194
 195     case OSSL_CMP_PKIBODY_IP:
 196     case OSSL_CMP_PKIBODY_CP:
 197     case OSSL_CMP_PKIBODY_KUP:
 198         if ((msg->body->value.ip = OSSL_CMP_CERTREPMESSAGE_new()) == NULL)
 199             goto err;
 200         return msg;
 201
 202     case OSSL_CMP_PKIBODY_RR:
 203         if ((msg->body->value.rr = sk_OSSL_CMP_REVDETAILS_new_null()) == NULL)
 204             goto err;
 205         return msg;
 206     case OSSL_CMP_PKIBODY_RP:
 207         if ((msg->body->value.rp = OSSL_CMP_REVREPCONTENT_new()) == NULL)
 208             goto err;
 209         return msg;
 210
 211     case OSSL_CMP_PKIBODY_CERTCONF:
 212         if ((msg->body->value.certConf =
 213              sk_OSSL_CMP_CERTSTATUS_new_null()) == NULL)
 214             goto err;
 215         return msg;
 216     case OSSL_CMP_PKIBODY_PKICONF:
 217         if ((msg->body->value.pkiconf = ASN1_TYPE_new()) == NULL)
 218             goto err;
 219         ASN1_TYPE_set(msg->body->value.pkiconf, V_ASN1_NULL, NULL);
 220         return msg;
 221
 222     case OSSL_CMP_PKIBODY_POLLREQ:
 223         if ((msg->body->value.pollReq = sk_OSSL_CMP_POLLREQ_new_null()) == NULL)
 224             goto err;
 225         return msg;
 226     case OSSL_CMP_PKIBODY_POLLREP:
 227         if ((msg->body->value.pollRep = sk_OSSL_CMP_POLLREP_new_null()) == NULL)
 228             goto err;
 229         return msg;
 230
 231     case OSSL_CMP_PKIBODY_GENM:
 232     case OSSL_CMP_PKIBODY_GENP:
 233         if ((msg->body->value.genm = sk_OSSL_CMP_ITAV_new_null()) == NULL)
 234             goto err;
 235         return msg;
 236
 237     case OSSL_CMP_PKIBODY_ERROR:
 238         if ((msg->body->value.error = OSSL_CMP_ERRORMSGCONTENT_new()) == NULL)
 239             goto err;
 240         return msg;
 241
 242     default:
 243         ERR_raise(ERR_LIB_CMP, CMP_R_UNEXPECTED_PKIBODY);
 244         goto err;
 245     }
 246
 247  err:
 248     OSSL_CMP_MSG_free(msg);
 249     return NULL;
 250 }
 251
 252 #define HAS_SAN(ctx) \
 253     (sk_GENERAL_NAME_num((ctx)->subjectAltNames) > 0 \
 254          || OSSL_CMP_CTX_reqExtensions_have_SAN(ctx) == 1)
 255
 256 static const X509_NAME *determine_subj(OSSL_CMP_CTX *ctx,
 257                                        const X509_NAME *ref_subj,
 258                                        int for_KUR)
 259 {
 260     if (ctx->subjectName != NULL)
 261         return IS_NULL_DN(ctx->subjectName) ? NULL : ctx->subjectName;
 262
 263     if (ref_subj != NULL && (for_KUR || !HAS_SAN(ctx)))
 264         /*
 265          * For KUR, copy subject from the reference.
 266          * For IR or CR, do the same only if there is no subjectAltName.
 267          */
 268         return ref_subj;
 269     return NULL;
 270 }
 271
 272 OSSL_CRMF_MSG *OSSL_CMP_CTX_setup_CRM(OSSL_CMP_CTX *ctx, int for_KUR, int rid)
 273 {
 274     OSSL_CRMF_MSG *crm = NULL;
 275     X509 *refcert = ctx->oldCert != NULL ? ctx->oldCert : ctx->cert;
 276     /* refcert defaults to current client cert */
 277     EVP_PKEY *rkey = OSSL_CMP_CTX_get0_newPkey(ctx, 0);
 278     STACK_OF(GENERAL_NAME) *default_sans = NULL;
 279     const X509_NAME *ref_subj =
 280         ctx->p10CSR != NULL ? X509_REQ_get_subject_name(ctx->p10CSR) :
 281         refcert != NULL ? X509_get_subject_name(refcert) : NULL;
 282     const X509_NAME *subject = determine_subj(ctx, ref_subj, for_KUR);
 283     const X509_NAME *issuer = ctx->issuer != NULL || refcert == NULL
 284         ? (IS_NULL_DN(ctx->issuer) ? NULL : ctx->issuer)
 285         : X509_get_issuer_name(refcert);
 286     int crit = ctx->setSubjectAltNameCritical || subject == NULL;
 287     /* RFC5280: subjectAltName MUST be critical if subject is null */
 288     X509_EXTENSIONS *exts = NULL;
 289
 290     if (rkey == NULL && ctx->p10CSR != NULL)
 291         rkey = X509_REQ_get0_pubkey(ctx->p10CSR);
 292     if (rkey == NULL)
 293         rkey = ctx->pkey; /* default is independent of ctx->oldCert */
 294     if (rkey == NULL) {
 295 #ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
 296         ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
 297         return NULL;
 298 #endif
 299     }
 300     if (for_KUR && refcert == NULL && ctx->p10CSR == NULL) {
 301         ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_REFERENCE_CERT);
 302         return NULL;
 303     }
 304     if ((crm = OSSL_CRMF_MSG_new()) == NULL)
 305         return NULL;
 306     if (!OSSL_CRMF_MSG_set_certReqId(crm, rid)
 307             /*
 308              * fill certTemplate, corresponding to CertificationRequestInfo
 309              * of PKCS#10. The rkey param cannot be NULL so far -
 310              * it could be NULL if centralized key creation was supported
 311              */
 312             || !OSSL_CRMF_CERTTEMPLATE_fill(OSSL_CRMF_MSG_get0_tmpl(crm), rkey,
 313                                             subject, issuer, NULL /* serial */))
 314         goto err;
 315     if (ctx->days != 0) {
 316         time_t now = time(NULL);
 317         ASN1_TIME *notBefore = ASN1_TIME_adj(NULL, now, 0, 0);
 318         ASN1_TIME *notAfter = ASN1_TIME_adj(NULL, now, ctx->days, 0);
 319
 320         if (notBefore == NULL
 321                 || notAfter == NULL
 322                 || !OSSL_CRMF_MSG_set0_validity(crm, notBefore, notAfter)) {
 323             ASN1_TIME_free(notBefore);
 324             ASN1_TIME_free(notAfter);
 325             goto err;
 326         }
 327     }
 328
 329     /* extensions */
 330     if (refcert != NULL && !ctx->SubjectAltName_nodefault)
 331         default_sans = X509V3_get_d2i(X509_get0_extensions(refcert),
 332                                       NID_subject_alt_name, NULL, NULL);
 333     if (ctx->p10CSR != NULL
 334             && (exts = X509_REQ_get_extensions(ctx->p10CSR)) == NULL)
 335         goto err;
 336     if (ctx->reqExtensions != NULL /* augment/override existing ones */
 337             && !add_extensions(&exts, ctx->reqExtensions))
 338         goto err;
 339     if (sk_GENERAL_NAME_num(ctx->subjectAltNames) > 0
 340             && !add1_extension(&exts, NID_subject_alt_name,
 341                                crit, ctx->subjectAltNames))
 342         goto err;
 343     if (!HAS_SAN(ctx) && default_sans != NULL
 344             && !add1_extension(&exts, NID_subject_alt_name, crit, default_sans))
 345         goto err;
 346     if (ctx->policies != NULL
 347             && !add1_extension(&exts, NID_certificate_policies,
 348                                ctx->setPoliciesCritical, ctx->policies))
 349         goto err;
 350     if (!OSSL_CRMF_MSG_set0_extensions(crm, exts))
 351         goto err;
 352     exts = NULL;
 353     /* end fill certTemplate, now set any controls */
 354
 355     /* for KUR, set OldCertId according to D.6 */
 356     if (for_KUR && refcert != NULL) {
 357         OSSL_CRMF_CERTID *cid =
 358             OSSL_CRMF_CERTID_gen(X509_get_issuer_name(refcert),
 359                                  X509_get0_serialNumber(refcert));
 360         int ret;
 361
 362         if (cid == NULL)
 363             goto err;
 364         ret = OSSL_CRMF_MSG_set1_regCtrl_oldCertID(crm, cid);
 365         OSSL_CRMF_CERTID_free(cid);
 366         if (ret == 0)
 367             goto err;
 368     }
 369
 370     goto end;
 371
 372  err:
 373     OSSL_CRMF_MSG_free(crm);
 374     crm = NULL;
 375
 376  end:
 377     sk_X509_EXTENSION_pop_free(exts, X509_EXTENSION_free);
 378     sk_GENERAL_NAME_pop_free(default_sans, GENERAL_NAME_free);
 379     return crm;
 380 }
 381
 382 OSSL_CMP_MSG *ossl_cmp_certreq_new(OSSL_CMP_CTX *ctx, int type,
 383                                    const OSSL_CRMF_MSG *crm)
 384 {
 385     OSSL_CMP_MSG *msg;
 386     OSSL_CRMF_MSG *local_crm = NULL;
 387
 388     if (!ossl_assert(ctx != NULL))
 389         return NULL;
 390
 391     if (type != OSSL_CMP_PKIBODY_IR && type != OSSL_CMP_PKIBODY_CR
 392             && type != OSSL_CMP_PKIBODY_KUR && type != OSSL_CMP_PKIBODY_P10CR) {
 393         ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
 394         return NULL;
 395     }
 396     if (type == OSSL_CMP_PKIBODY_P10CR && crm != NULL) {
 397         ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
 398         return NULL;
 399     }
 400
 401     if ((msg = ossl_cmp_msg_create(ctx, type)) == NULL)
 402         goto err;
 403
 404     /* header */
 405     if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header))
 406         goto err;
 407
 408     /* body */
 409     /* For P10CR the content has already been set in OSSL_CMP_MSG_create */
 410     if (type != OSSL_CMP_PKIBODY_P10CR) {
 411         EVP_PKEY *privkey = OSSL_CMP_CTX_get0_newPkey(ctx, 1);
 412
 413         /*
 414          * privkey is NULL in case ctx->newPkey does not include a private key.
 415          * We then may try to use ctx->pkey as fallback/default, but only
 416          * if ctx-> newPkey does not include a (non-matching) public key:
 417          */
 418         if (privkey == NULL && OSSL_CMP_CTX_get0_newPkey(ctx, 0) == NULL)
 419             privkey = ctx->pkey; /* default is independent of ctx->oldCert */
 420         if (ctx->popoMethod == OSSL_CRMF_POPO_SIGNATURE && privkey == NULL) {
 421             ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY);
 422             goto err;
 423         }
 424         if (crm == NULL) {
 425             local_crm = OSSL_CMP_CTX_setup_CRM(ctx,
 426                                                type == OSSL_CMP_PKIBODY_KUR,
 427                                                OSSL_CMP_CERTREQID);
 428             if (local_crm == NULL
 429                 || !OSSL_CRMF_MSG_create_popo(ctx->popoMethod, local_crm,
 430                                               privkey, ctx->digest,
 431                                               ctx->libctx, ctx->propq))
 432                 goto err;
 433         } else {
 434             if ((local_crm = OSSL_CRMF_MSG_dup(crm)) == NULL)
 435                 goto err;
 436         }
 437
 438         /* value.ir is same for cr and kur */
 439         if (!sk_OSSL_CRMF_MSG_push(msg->body->value.ir, local_crm))
 440             goto err;
 441         local_crm = NULL;
 442     }
 443
 444     if (!ossl_cmp_msg_protect(ctx, msg))
 445         goto err;
 446
 447     return msg;
 448
 449  err:
 450     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREQ);
 451     OSSL_CRMF_MSG_free(local_crm);
 452     OSSL_CMP_MSG_free(msg);
 453     return NULL;
 454 }
 455
 456 OSSL_CMP_MSG *ossl_cmp_certrep_new(OSSL_CMP_CTX *ctx, int bodytype,
 457                                    int certReqId, const OSSL_CMP_PKISI *si,
 458                                    X509 *cert, const X509 *encryption_recip,
 459                                    STACK_OF(X509) *chain, STACK_OF(X509) *caPubs,
 460                                    int unprotectedErrors)
 461 {
 462     OSSL_CMP_MSG *msg = NULL;
 463     OSSL_CMP_CERTREPMESSAGE *repMsg = NULL;
 464     OSSL_CMP_CERTRESPONSE *resp = NULL;
 465     int status = -1;
 466
 467     if (!ossl_assert(ctx != NULL && si != NULL))
 468         return NULL;
 469
 470     if ((msg = ossl_cmp_msg_create(ctx, bodytype)) == NULL)
 471         goto err;
 472     repMsg = msg->body->value.ip; /* value.ip is same for cp and kup */
 473
 474     /* header */
 475     if (ctx->implicitConfirm && !ossl_cmp_hdr_set_implicitConfirm(msg->header))
 476         goto err;
 477
 478     /* body */
 479     if ((resp = OSSL_CMP_CERTRESPONSE_new()) == NULL)
 480         goto err;
 481     OSSL_CMP_PKISI_free(resp->status);
 482     if ((resp->status = OSSL_CMP_PKISI_dup(si)) == NULL
 483             || !ASN1_INTEGER_set(resp->certReqId, certReqId))
 484         goto err;
 485
 486     status = ossl_cmp_pkisi_get_status(resp->status);
 487     if (status != OSSL_CMP_PKISTATUS_rejection
 488             && status != OSSL_CMP_PKISTATUS_waiting && cert != NULL) {
 489         if (encryption_recip != NULL) {
 490             ERR_raise(ERR_LIB_CMP, ERR_R_UNSUPPORTED);
 491             goto err;
 492         }
 493
 494         if ((resp->certifiedKeyPair = OSSL_CMP_CERTIFIEDKEYPAIR_new())
 495             == NULL)
 496             goto err;
 497         resp->certifiedKeyPair->certOrEncCert->type =
 498             OSSL_CMP_CERTORENCCERT_CERTIFICATE;
 499         if (!X509_up_ref(cert))
 500             goto err;
 501         resp->certifiedKeyPair->certOrEncCert->value.certificate = cert;
 502     }
 503
 504     if (!sk_OSSL_CMP_CERTRESPONSE_push(repMsg->response, resp))
 505         goto err;
 506     resp = NULL;
 507
 508     if (bodytype == OSSL_CMP_PKIBODY_IP && caPubs != NULL
 509             && (repMsg->caPubs = X509_chain_up_ref(caPubs)) == NULL)
 510         goto err;
 511     if (sk_X509_num(chain) > 0
 512         && !ossl_x509_add_certs_new(&msg->extraCerts, chain,
 513                                     X509_ADD_FLAG_UP_REF | X509_ADD_FLAG_NO_DUP))
 514         goto err;
 515
 516     if (!unprotectedErrors
 517             || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection)
 518         if (!ossl_cmp_msg_protect(ctx, msg))
 519             goto err;
 520
 521     return msg;
 522
 523  err:
 524     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTREP);
 525     OSSL_CMP_CERTRESPONSE_free(resp);
 526     OSSL_CMP_MSG_free(msg);
 527     return NULL;
 528 }
 529
 530 OSSL_CMP_MSG *ossl_cmp_rr_new(OSSL_CMP_CTX *ctx)
 531 {
 532     OSSL_CMP_MSG *msg = NULL;
 533     OSSL_CMP_REVDETAILS *rd;
 534     int ret;
 535
 536     if (!ossl_assert(ctx != NULL && (ctx->oldCert != NULL
 537                                      || ctx->p10CSR != NULL)))
 538         return NULL;
 539
 540     if ((rd = OSSL_CMP_REVDETAILS_new()) == NULL)
 541         goto err;
 542
 543     /* Fill the template from the contents of the certificate to be revoked */
 544     ret = ctx->oldCert != NULL
 545     ? OSSL_CRMF_CERTTEMPLATE_fill(rd->certDetails,
 546                                   NULL /* pubkey would be redundant */,
 547                                   NULL /* subject would be redundant */,
 548                                   X509_get_issuer_name(ctx->oldCert),
 549                                   X509_get0_serialNumber(ctx->oldCert))
 550     : OSSL_CRMF_CERTTEMPLATE_fill(rd->certDetails,
 551                                   X509_REQ_get0_pubkey(ctx->p10CSR),
 552                                   X509_REQ_get_subject_name(ctx->p10CSR),
 553                                   NULL, NULL);
 554     if (!ret)
 555         goto err;
 556
 557     /* revocation reason code is optional */
 558     if (ctx->revocationReason != CRL_REASON_NONE
 559             && !add_crl_reason_extension(&rd->crlEntryDetails,
 560                                          ctx->revocationReason))
 561         goto err;
 562
 563     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RR)) == NULL)
 564         goto err;
 565
 566     if (!sk_OSSL_CMP_REVDETAILS_push(msg->body->value.rr, rd))
 567         goto err;
 568     rd = NULL;
 569
 570     if (!ossl_cmp_msg_protect(ctx, msg))
 571         goto err;
 572
 573     return msg;
 574
 575  err:
 576     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RR);
 577     OSSL_CMP_MSG_free(msg);
 578     OSSL_CMP_REVDETAILS_free(rd);
 579     return NULL;
 580 }
 581
 582 OSSL_CMP_MSG *ossl_cmp_rp_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si,
 583                               const OSSL_CRMF_CERTID *cid, int unprotectedErrors)
 584 {
 585     OSSL_CMP_REVREPCONTENT *rep = NULL;
 586     OSSL_CMP_PKISI *si1 = NULL;
 587     OSSL_CRMF_CERTID *cid_copy = NULL;
 588     OSSL_CMP_MSG *msg = NULL;
 589
 590     if (!ossl_assert(ctx != NULL && si != NULL))
 591         return NULL;
 592
 593     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_RP)) == NULL)
 594         goto err;
 595     rep = msg->body->value.rp;
 596
 597     if ((si1 = OSSL_CMP_PKISI_dup(si)) == NULL)
 598         goto err;
 599
 600     if (!sk_OSSL_CMP_PKISI_push(rep->status, si1)) {
 601         OSSL_CMP_PKISI_free(si1);
 602         goto err;
 603     }
 604
 605     if ((rep->revCerts = sk_OSSL_CRMF_CERTID_new_null()) == NULL)
 606         goto err;
 607     if (cid != NULL) {
 608         if ((cid_copy = OSSL_CRMF_CERTID_dup(cid)) == NULL)
 609             goto err;
 610         if (!sk_OSSL_CRMF_CERTID_push(rep->revCerts, cid_copy)) {
 611             OSSL_CRMF_CERTID_free(cid_copy);
 612             goto err;
 613         }
 614     }
 615
 616     if (!unprotectedErrors
 617             || ossl_cmp_pkisi_get_status(si) != OSSL_CMP_PKISTATUS_rejection)
 618         if (!ossl_cmp_msg_protect(ctx, msg))
 619             goto err;
 620
 621     return msg;
 622
 623  err:
 624     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_RP);
 625     OSSL_CMP_MSG_free(msg);
 626     return NULL;
 627 }
 628
 629 OSSL_CMP_MSG *ossl_cmp_pkiconf_new(OSSL_CMP_CTX *ctx)
 630 {
 631     OSSL_CMP_MSG *msg;
 632
 633     if (!ossl_assert(ctx != NULL))
 634         return NULL;
 635
 636     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_PKICONF)) == NULL)
 637         goto err;
 638     if (ossl_cmp_msg_protect(ctx, msg))
 639         return msg;
 640
 641  err:
 642     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_PKICONF);
 643     OSSL_CMP_MSG_free(msg);
 644     return NULL;
 645 }
 646
 647 int ossl_cmp_msg_gen_push0_ITAV(OSSL_CMP_MSG *msg, OSSL_CMP_ITAV *itav)
 648 {
 649     int bodytype;
 650
 651     if (!ossl_assert(msg != NULL && itav != NULL))
 652         return 0;
 653
 654     bodytype = OSSL_CMP_MSG_get_bodytype(msg);
 655     if (bodytype != OSSL_CMP_PKIBODY_GENM
 656             && bodytype != OSSL_CMP_PKIBODY_GENP) {
 657         ERR_raise(ERR_LIB_CMP, CMP_R_INVALID_ARGS);
 658         return 0;
 659     }
 660
 661     /* value.genp has the same structure, so this works for genp as well */
 662     return OSSL_CMP_ITAV_push0_stack_item(&msg->body->value.genm, itav);
 663 }
 664
 665 int ossl_cmp_msg_gen_push1_ITAVs(OSSL_CMP_MSG *msg,
 666                                  const STACK_OF(OSSL_CMP_ITAV) *itavs)
 667 {
 668     int i;
 669     OSSL_CMP_ITAV *itav = NULL;
 670
 671     if (!ossl_assert(msg != NULL))
 672         return 0;
 673
 674     for (i = 0; i < sk_OSSL_CMP_ITAV_num(itavs); i++) {
 675         itav = OSSL_CMP_ITAV_dup(sk_OSSL_CMP_ITAV_value(itavs, i));
 676         if (itav == NULL
 677                 || !ossl_cmp_msg_gen_push0_ITAV(msg, itav)) {
 678             OSSL_CMP_ITAV_free(itav);
 679             return 0;
 680         }
 681     }
 682     return 1;
 683 }
 684
 685 /*
 686  * Creates a new General Message/Response with an empty itav stack
 687  * returns a pointer to the PKIMessage on success, NULL on error
 688  */
 689 static OSSL_CMP_MSG *gen_new(OSSL_CMP_CTX *ctx,
 690                              const STACK_OF(OSSL_CMP_ITAV) *itavs,
 691                              int body_type, int err_code)
 692 {
 693     OSSL_CMP_MSG *msg = NULL;
 694
 695     if (!ossl_assert(ctx != NULL))
 696         return NULL;
 697
 698     if ((msg = ossl_cmp_msg_create(ctx, body_type)) == NULL)
 699         return NULL;
 700
 701     if (ctx->genm_ITAVs != NULL
 702             && !ossl_cmp_msg_gen_push1_ITAVs(msg, itavs))
 703         goto err;
 704
 705     if (!ossl_cmp_msg_protect(ctx, msg))
 706         goto err;
 707
 708     return msg;
 709
 710  err:
 711     ERR_raise(ERR_LIB_CMP, err_code);
 712     OSSL_CMP_MSG_free(msg);
 713     return NULL;
 714 }
 715
 716 OSSL_CMP_MSG *ossl_cmp_genm_new(OSSL_CMP_CTX *ctx)
 717 {
 718     return gen_new(ctx, ctx->genm_ITAVs,
 719                    OSSL_CMP_PKIBODY_GENM, CMP_R_ERROR_CREATING_GENM);
 720 }
 721
 722 OSSL_CMP_MSG *ossl_cmp_genp_new(OSSL_CMP_CTX *ctx,
 723                                 const STACK_OF(OSSL_CMP_ITAV) *itavs)
 724 {
 725     return gen_new(ctx, itavs,
 726                    OSSL_CMP_PKIBODY_GENP, CMP_R_ERROR_CREATING_GENP);
 727 }
 728
 729 OSSL_CMP_MSG *ossl_cmp_error_new(OSSL_CMP_CTX *ctx, const OSSL_CMP_PKISI *si,
 730                                  int64_t errorCode, const char *details,
 731                                  int unprotected)
 732 {
 733     OSSL_CMP_MSG *msg = NULL;
 734     const char *lib = NULL, *reason = NULL;
 735     OSSL_CMP_PKIFREETEXT *ft;
 736
 737     if (!ossl_assert(ctx != NULL && si != NULL))
 738         return NULL;
 739
 740     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_ERROR)) == NULL)
 741         goto err;
 742
 743     OSSL_CMP_PKISI_free(msg->body->value.error->pKIStatusInfo);
 744     if ((msg->body->value.error->pKIStatusInfo = OSSL_CMP_PKISI_dup(si))
 745         == NULL)
 746         goto err;
 747     if ((msg->body->value.error->errorCode = ASN1_INTEGER_new()) == NULL)
 748         goto err;
 749     if (!ASN1_INTEGER_set_int64(msg->body->value.error->errorCode, errorCode))
 750         goto err;
 751     if (errorCode > 0
 752             && (uint64_t)errorCode < ((uint64_t)ERR_SYSTEM_FLAG << 1)) {
 753         lib = ERR_lib_error_string((unsigned long)errorCode);
 754         reason = ERR_reason_error_string((unsigned long)errorCode);
 755     }
 756     if (lib != NULL || reason != NULL || details != NULL) {
 757         if ((ft = sk_ASN1_UTF8STRING_new_null()) == NULL)
 758             goto err;
 759         msg->body->value.error->errorDetails = ft;
 760         if (lib != NULL && *lib != '\0'
 761                 && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, lib))
 762             goto err;
 763         if (reason != NULL && *reason != '\0'
 764                 && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, reason))
 765             goto err;
 766         if (details != NULL
 767                 && !ossl_cmp_sk_ASN1_UTF8STRING_push_str(ft, details))
 768             goto err;
 769     }
 770
 771     if (!unprotected && !ossl_cmp_msg_protect(ctx, msg))
 772         goto err;
 773     return msg;
 774
 775  err:
 776     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_ERROR);
 777     OSSL_CMP_MSG_free(msg);
 778     return NULL;
 779 }
 780
 781 /*
 782  * Set the certHash field of a OSSL_CMP_CERTSTATUS structure.
 783  * This is used in the certConf message, for example,
 784  * to confirm that the certificate was received successfully.
 785  */
 786 int ossl_cmp_certstatus_set0_certHash(OSSL_CMP_CERTSTATUS *certStatus,
 787                                       ASN1_OCTET_STRING *hash)
 788 {
 789     if (!ossl_assert(certStatus != NULL))
 790         return 0;
 791     ASN1_OCTET_STRING_free(certStatus->certHash);
 792     certStatus->certHash = hash;
 793     return 1;
 794 }
 795
 796 OSSL_CMP_MSG *ossl_cmp_certConf_new(OSSL_CMP_CTX *ctx, int fail_info,
 797                                     const char *text)
 798 {
 799     OSSL_CMP_MSG *msg = NULL;
 800     OSSL_CMP_CERTSTATUS *certStatus = NULL;
 801     ASN1_OCTET_STRING *certHash = NULL;
 802     OSSL_CMP_PKISI *sinfo;
 803
 804     if (!ossl_assert(ctx != NULL && ctx->newCert != NULL))
 805         return NULL;
 806
 807     if ((unsigned)fail_info > OSSL_CMP_PKIFAILUREINFO_MAX_BIT_PATTERN) {
 808         ERR_raise(ERR_LIB_CMP, CMP_R_FAIL_INFO_OUT_OF_RANGE);
 809         return NULL;
 810     }
 811
 812     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_CERTCONF)) == NULL)
 813         goto err;
 814
 815     if ((certStatus = OSSL_CMP_CERTSTATUS_new()) == NULL)
 816         goto err;
 817     /* consume certStatus into msg right away so it gets deallocated with msg */
 818     if (!sk_OSSL_CMP_CERTSTATUS_push(msg->body->value.certConf, certStatus))
 819         goto err;
 820     /* set the ID of the certReq */
 821     if (!ASN1_INTEGER_set(certStatus->certReqId, OSSL_CMP_CERTREQID))
 822         goto err;
 823     /*
 824      * The hash of the certificate, using the same hash algorithm
 825      * as is used to create and verify the certificate signature.
 826      * If not available, a default hash algorithm is used.
 827      */
 828     if ((certHash = X509_digest_sig(ctx->newCert, NULL, NULL)) == NULL)
 829         goto err;
 830
 831     if (!ossl_cmp_certstatus_set0_certHash(certStatus, certHash))
 832         goto err;
 833     certHash = NULL;
 834     /*
 835      * For any particular CertStatus, omission of the statusInfo field
 836      * indicates ACCEPTANCE of the specified certificate.  Alternatively,
 837      * explicit status details (with respect to acceptance or rejection) MAY
 838      * be provided in the statusInfo field, perhaps for auditing purposes at
 839      * the CA/RA.
 840      */
 841     sinfo = fail_info != 0 ?
 842         OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_rejection, fail_info, text) :
 843         OSSL_CMP_STATUSINFO_new(OSSL_CMP_PKISTATUS_accepted, 0, text);
 844     if (sinfo == NULL)
 845         goto err;
 846     certStatus->statusInfo = sinfo;
 847
 848     if (!ossl_cmp_msg_protect(ctx, msg))
 849         goto err;
 850
 851     return msg;
 852
 853  err:
 854     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_CERTCONF);
 855     OSSL_CMP_MSG_free(msg);
 856     ASN1_OCTET_STRING_free(certHash);
 857     return NULL;
 858 }
 859
 860 OSSL_CMP_MSG *ossl_cmp_pollReq_new(OSSL_CMP_CTX *ctx, int crid)
 861 {
 862     OSSL_CMP_MSG *msg = NULL;
 863     OSSL_CMP_POLLREQ *preq = NULL;
 864
 865     if (!ossl_assert(ctx != NULL))
 866         return NULL;
 867
 868     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREQ)) == NULL)
 869         goto err;
 870
 871     if ((preq = OSSL_CMP_POLLREQ_new()) == NULL
 872             || !ASN1_INTEGER_set(preq->certReqId, crid)
 873             || !sk_OSSL_CMP_POLLREQ_push(msg->body->value.pollReq, preq))
 874         goto err;
 875
 876     preq = NULL;
 877     if (!ossl_cmp_msg_protect(ctx, msg))
 878         goto err;
 879
 880     return msg;
 881
 882  err:
 883     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREQ);
 884     OSSL_CMP_POLLREQ_free(preq);
 885     OSSL_CMP_MSG_free(msg);
 886     return NULL;
 887 }
 888
 889 OSSL_CMP_MSG *ossl_cmp_pollRep_new(OSSL_CMP_CTX *ctx, int crid,
 890                                    int64_t poll_after)
 891 {
 892     OSSL_CMP_MSG *msg;
 893     OSSL_CMP_POLLREP *prep;
 894
 895     if (!ossl_assert(ctx != NULL))
 896         return NULL;
 897
 898     if ((msg = ossl_cmp_msg_create(ctx, OSSL_CMP_PKIBODY_POLLREP)) == NULL)
 899         goto err;
 900     if ((prep = OSSL_CMP_POLLREP_new()) == NULL)
 901         goto err;
 902     if (!sk_OSSL_CMP_POLLREP_push(msg->body->value.pollRep, prep))
 903         goto err;
 904     if (!ASN1_INTEGER_set(prep->certReqId, crid))
 905         goto err;
 906     if (!ASN1_INTEGER_set_int64(prep->checkAfter, poll_after))
 907         goto err;
 908
 909     if (!ossl_cmp_msg_protect(ctx, msg))
 910         goto err;
 911     return msg;
 912
 913  err:
 914     ERR_raise(ERR_LIB_CMP, CMP_R_ERROR_CREATING_POLLREP);
 915     OSSL_CMP_MSG_free(msg);
 916     return NULL;
 917 }
 918
 919 /*-
 920  * returns the status field of the RevRepContent with the given
 921  * request/sequence id inside a revocation response.
 922  * RevRepContent has the revocation statuses in same order as they were sent in
 923  * RevReqContent.
 924  * returns NULL on error
 925  */
 926 OSSL_CMP_PKISI *
 927 ossl_cmp_revrepcontent_get_pkisi(OSSL_CMP_REVREPCONTENT *rrep, int rsid)
 928 {
 929     OSSL_CMP_PKISI *status;
 930
 931     if (!ossl_assert(rrep != NULL))
 932         return NULL;
 933
 934     if ((status = sk_OSSL_CMP_PKISI_value(rrep->status, rsid)) != NULL)
 935         return status;
 936
 937     ERR_raise(ERR_LIB_CMP, CMP_R_PKISTATUSINFO_NOT_FOUND);
 938     return NULL;
 939 }
 940
 941 /*
 942  * returns the CertId field in the revCerts part of the RevRepContent
 943  * with the given request/sequence id inside a revocation response.
 944  * RevRepContent has the CertIds in same order as they were sent in
 945  * RevReqContent.
 946  * returns NULL on error
 947  */
 948 OSSL_CRMF_CERTID *
 949 ossl_cmp_revrepcontent_get_CertId(OSSL_CMP_REVREPCONTENT *rrep, int rsid)
 950 {
 951     OSSL_CRMF_CERTID *cid = NULL;
 952
 953     if (!ossl_assert(rrep != NULL))
 954         return NULL;
 955
 956     if ((cid = sk_OSSL_CRMF_CERTID_value(rrep->revCerts, rsid)) != NULL)
 957         return cid;
 958
 959     ERR_raise(ERR_LIB_CMP, CMP_R_CERTID_NOT_FOUND);
 960     return NULL;
 961 }
 962
 963 static int suitable_rid(const ASN1_INTEGER *certReqId, int rid)
 964 {
 965     int trid;
 966
 967     if (rid == -1)
 968         return 1;
 969
 970     trid = ossl_cmp_asn1_get_int(certReqId);
 971
 972     if (trid == -1) {
 973         ERR_raise(ERR_LIB_CMP, CMP_R_BAD_REQUEST_ID);
 974         return 0;
 975     }
 976     return rid == trid;
 977 }
 978
 979 /*
 980  * returns a pointer to the PollResponse with the given CertReqId
 981  * (or the first one in case -1) inside a PollRepContent
 982  * returns NULL on error or if no suitable PollResponse available
 983  */
 984 OSSL_CMP_POLLREP *
 985 ossl_cmp_pollrepcontent_get0_pollrep(const OSSL_CMP_POLLREPCONTENT *prc,
 986                                      int rid)
 987 {
 988     OSSL_CMP_POLLREP *pollRep = NULL;
 989     int i;
 990
 991     if (!ossl_assert(prc != NULL))
 992         return NULL;
 993
 994     for (i = 0; i < sk_OSSL_CMP_POLLREP_num(prc); i++) {
 995         pollRep = sk_OSSL_CMP_POLLREP_value(prc, i);
 996         if (suitable_rid(pollRep->certReqId, rid))
 997             return pollRep;
 998     }
 999
1000     ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND,
1001                    "expected certReqId = %d", rid);
1002     return NULL;
1003 }
1004
1005 /*
1006  * returns a pointer to the CertResponse with the given CertReqId
1007  * (or the first one in case -1) inside a CertRepMessage
1008  * returns NULL on error or if no suitable CertResponse available
1009  */
1010 OSSL_CMP_CERTRESPONSE *
1011 ossl_cmp_certrepmessage_get0_certresponse(const OSSL_CMP_CERTREPMESSAGE *crm,
1012                                           int rid)
1013 {
1014     OSSL_CMP_CERTRESPONSE *crep = NULL;
1015     int i;
1016
1017     if (!ossl_assert(crm != NULL && crm->response != NULL))
1018         return NULL;
1019
1020     for (i = 0; i < sk_OSSL_CMP_CERTRESPONSE_num(crm->response); i++) {
1021         crep = sk_OSSL_CMP_CERTRESPONSE_value(crm->response, i);
1022         if (suitable_rid(crep->certReqId, rid))
1023             return crep;
1024     }
1025
1026     ERR_raise_data(ERR_LIB_CMP, CMP_R_CERTRESPONSE_NOT_FOUND,
1027                    "expected certReqId = %d", rid);
1028     return NULL;
1029 }
1030
1031 /*-
1032  * Retrieve the newly enrolled certificate from the given certResponse crep.
1033  * In case of indirect POPO uses the libctx and propq from ctx and private key.
1034  * Returns a pointer to a copy of the found certificate, or NULL if not found.
1035  */
1036 X509 *ossl_cmp_certresponse_get1_cert(const OSSL_CMP_CERTRESPONSE *crep,
1037                                       const OSSL_CMP_CTX *ctx, EVP_PKEY *pkey)
1038 {
1039     OSSL_CMP_CERTORENCCERT *coec;
1040     X509 *crt = NULL;
1041
1042     if (!ossl_assert(crep != NULL && ctx != NULL))
1043         return NULL;
1044
1045     if (crep->certifiedKeyPair
1046             && (coec = crep->certifiedKeyPair->certOrEncCert) != NULL) {
1047         switch (coec->type) {
1048         case OSSL_CMP_CERTORENCCERT_CERTIFICATE:
1049             crt = X509_dup(coec->value.certificate);
1050             break;
1051         case OSSL_CMP_CERTORENCCERT_ENCRYPTEDCERT:
1052             /* cert encrypted for indirect PoP; RFC 4210, 5.2.8.2 */
1053             if (pkey == NULL) {
1054                 ERR_raise(ERR_LIB_CMP, CMP_R_MISSING_PRIVATE_KEY);
1055                 return NULL;
1056             }
1057             crt =
1058                 OSSL_CRMF_ENCRYPTEDVALUE_get1_encCert(coec->value.encryptedCert,
1059                                                       ctx->libctx, ctx->propq,
1060                                                       pkey);
1061             break;
1062         default:
1063             ERR_raise(ERR_LIB_CMP, CMP_R_UNKNOWN_CERT_TYPE);
1064             return NULL;
1065         }
1066     }
1067     if (crt == NULL)
1068         ERR_raise(ERR_LIB_CMP, CMP_R_CERTIFICATE_NOT_FOUND);
1069     else
1070         (void)ossl_x509_set0_libctx(crt, ctx->libctx, ctx->propq);
1071     return crt;
1072 }
1073
1074 int OSSL_CMP_MSG_update_transactionID(OSSL_CMP_CTX *ctx, OSSL_CMP_MSG *msg)
1075 {
1076     if (ctx == NULL || msg == NULL) {
1077         ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1078         return 0;
1079     }
1080     if (!ossl_cmp_hdr_set_transactionID(ctx, msg->header))
1081         return 0;
1082     return msg->header->protectionAlg == NULL
1083             || ossl_cmp_msg_protect(ctx, msg);
1084 }
1085
1086 OSSL_CMP_MSG *OSSL_CMP_MSG_read(const char *file, OSSL_LIB_CTX *libctx,
1087                                 const char *propq)
1088 {
1089     OSSL_CMP_MSG *msg;
1090     BIO *bio = NULL;
1091
1092     if (file == NULL) {
1093         ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1094         return NULL;
1095     }
1096
1097     msg = OSSL_CMP_MSG_new(libctx, propq);
1098     if (msg == NULL){
1099         ERR_raise(ERR_LIB_CMP, ERR_R_MALLOC_FAILURE);
1100         return NULL;
1101     }
1102
1103     if ((bio = BIO_new_file(file, "rb")) == NULL)
1104         return NULL;
1105     if (d2i_OSSL_CMP_MSG_bio(bio, &msg) == NULL) {
1106         OSSL_CMP_MSG_free(msg);
1107         msg = NULL;
1108     }
1109     BIO_free(bio);
1110     return msg;
1111 }
1112
1113 int OSSL_CMP_MSG_write(const char *file, const OSSL_CMP_MSG *msg)
1114 {
1115     BIO *bio;
1116     int res;
1117
1118     if (file == NULL || msg == NULL) {
1119         ERR_raise(ERR_LIB_CMP, CMP_R_NULL_ARGUMENT);
1120         return -1;
1121     }
1122
1123     bio = BIO_new_file(file, "wb");
1124     if (bio == NULL)
1125         return -2;
1126     res = i2d_OSSL_CMP_MSG_bio(bio, msg);
1127     BIO_free(bio);
1128     return res;
1129 }
1130
1131 OSSL_CMP_MSG *d2i_OSSL_CMP_MSG(OSSL_CMP_MSG **msg, const unsigned char **in,
1132                                long len)
1133 {
1134     OSSL_LIB_CTX *libctx = NULL;
1135     const char *propq = NULL;
1136
1137     if (msg != NULL && *msg != NULL) {
1138         libctx  = (*msg)->libctx;
1139         propq = (*msg)->propq;
1140     }
1141
1142     return (OSSL_CMP_MSG *)ASN1_item_d2i_ex((ASN1_VALUE **)msg, in, len,
1143                                             ASN1_ITEM_rptr(OSSL_CMP_MSG),
1144                                             libctx, propq);
1145 }
1146
1147 int i2d_OSSL_CMP_MSG(const OSSL_CMP_MSG *msg, unsigned char **out)
1148 {
1149     return ASN1_item_i2d((const ASN1_VALUE *)msg, out,
1150                          ASN1_ITEM_rptr(OSSL_CMP_MSG));
1151 }
1152
1153 OSSL_CMP_MSG *d2i_OSSL_CMP_MSG_bio(BIO *bio, OSSL_CMP_MSG **msg)
1154 {
1155     OSSL_LIB_CTX *libctx = NULL;
1156     const char *propq = NULL;
1157
1158     if (msg != NULL && *msg != NULL) {
1159         libctx  = (*msg)->libctx;
1160         propq = (*msg)->propq;
1161     }
1162
1163     return ASN1_item_d2i_bio_ex(ASN1_ITEM_rptr(OSSL_CMP_MSG), bio, msg, libctx,
1164                                 propq);
1165 }
1166
1167 int i2d_OSSL_CMP_MSG_bio(BIO *bio, const OSSL_CMP_MSG *msg)
1168 {
1169     return ASN1_i2d_bio_of(OSSL_CMP_MSG, i2d_OSSL_CMP_MSG, bio, msg);
1170 }