ssl/ssl_rsa.c

   1 /*
   2  * Copyright 1995-2020 The OpenSSL Project Authors. All Rights Reserved.
   3  *
   4  * Licensed under the Apache License 2.0 (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 <stdio.h>
  11 #include "ssl_local.h"
  12 #include "internal/packet.h"
  13 #include <openssl/bio.h>
  14 #include <openssl/objects.h>
  15 #include <openssl/evp.h>
  16 #include <openssl/x509.h>
  17 #include <openssl/x509v3.h>
  18 #include <openssl/pem.h>
  19
  20 DEFINE_STACK_OF(X509)
  21
  22 static int ssl_set_cert(CERT *c, X509 *x509);
  23 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
  24
  25 #define  SYNTHV1CONTEXT     (SSL_EXT_TLS1_2_AND_BELOW_ONLY \
  26                              | SSL_EXT_CLIENT_HELLO \
  27                              | SSL_EXT_TLS1_2_SERVER_HELLO \
  28                              | SSL_EXT_IGNORE_ON_RESUMPTION)
  29
  30 int SSL_use_certificate(SSL *ssl, X509 *x)
  31 {
  32     int rv;
  33     if (x == NULL) {
  34         SSLerr(SSL_F_SSL_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
  35         return 0;
  36     }
  37
  38     rv = ssl_security_cert(ssl, NULL, x, 0, 1);
  39     if (rv != 1) {
  40         SSLerr(SSL_F_SSL_USE_CERTIFICATE, rv);
  41         return 0;
  42     }
  43
  44     return ssl_set_cert(ssl->cert, x);
  45 }
  46
  47 int SSL_use_certificate_file(SSL *ssl, const char *file, int type)
  48 {
  49     int j;
  50     BIO *in;
  51     int ret = 0;
  52     X509 *cert = NULL, *x = NULL;
  53
  54     in = BIO_new(BIO_s_file());
  55     if (in == NULL) {
  56         SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
  57         goto end;
  58     }
  59
  60     if (BIO_read_filename(in, file) <= 0) {
  61         SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
  62         goto end;
  63     }
  64
  65     if (type != SSL_FILETYPE_ASN1 && type != SSL_FILETYPE_PEM) {
  66         SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
  67         goto end;
  68     }
  69     x = X509_new_with_libctx(ssl->ctx->libctx, ssl->ctx->propq);
  70     if (x == NULL) {
  71         SSLerr(0, ERR_R_MALLOC_FAILURE);
  72         goto end;
  73     }
  74     if (type == SSL_FILETYPE_ASN1) {
  75         j = ERR_R_ASN1_LIB;
  76         cert = d2i_X509_bio(in, &x);
  77     } else if (type == SSL_FILETYPE_PEM) {
  78         j = ERR_R_PEM_LIB;
  79         cert = PEM_read_bio_X509(in, &x, ssl->default_passwd_callback,
  80                                  ssl->default_passwd_callback_userdata);
  81     } else {
  82         SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
  83         goto end;
  84     }
  85
  86     if (cert == NULL) {
  87         SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE, j);
  88         goto end;
  89     }
  90
  91     ret = SSL_use_certificate(ssl, x);
  92  end:
  93     X509_free(x);
  94     BIO_free(in);
  95     return ret;
  96 }
  97
  98 int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len)
  99 {
 100     X509 *x;
 101     int ret;
 102
 103     x = X509_new_with_libctx(ssl->ctx->libctx, ssl->ctx->propq);
 104     if (x == NULL) {
 105         SSLerr(0, ERR_R_MALLOC_FAILURE);
 106         return 0;
 107     }
 108
 109     if (d2i_X509(&x, &d, (long)len)== NULL) {
 110         X509_free(x);
 111         SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
 112         return 0;
 113     }
 114
 115     ret = SSL_use_certificate(ssl, x);
 116     X509_free(x);
 117     return ret;
 118 }
 119
 120 #ifndef OPENSSL_NO_RSA
 121 int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa)
 122 {
 123     EVP_PKEY *pkey;
 124     int ret;
 125
 126     if (rsa == NULL) {
 127         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
 128         return 0;
 129     }
 130     if ((pkey = EVP_PKEY_new()) == NULL) {
 131         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
 132         return 0;
 133     }
 134
 135     RSA_up_ref(rsa);
 136     if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
 137         RSA_free(rsa);
 138         EVP_PKEY_free(pkey);
 139         return 0;
 140     }
 141
 142     ret = ssl_set_pkey(ssl->cert, pkey);
 143     EVP_PKEY_free(pkey);
 144     return ret;
 145 }
 146 #endif
 147
 148 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey)
 149 {
 150     size_t i;
 151
 152     if (ssl_cert_lookup_by_pkey(pkey, &i) == NULL) {
 153         SSLerr(SSL_F_SSL_SET_PKEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
 154         return 0;
 155     }
 156
 157     if (c->pkeys[i].x509 != NULL) {
 158         EVP_PKEY *pktmp;
 159         pktmp = X509_get0_pubkey(c->pkeys[i].x509);
 160         if (pktmp == NULL) {
 161             SSLerr(SSL_F_SSL_SET_PKEY, ERR_R_MALLOC_FAILURE);
 162             return 0;
 163         }
 164         /*
 165          * The return code from EVP_PKEY_copy_parameters is deliberately
 166          * ignored. Some EVP_PKEY types cannot do this.
 167          */
 168         EVP_PKEY_copy_parameters(pktmp, pkey);
 169         ERR_clear_error();
 170
 171 #ifndef OPENSSL_NO_RSA
 172         /*
 173          * Don't check the public/private key, this is mostly for smart
 174          * cards.
 175          */
 176         if (EVP_PKEY_id(pkey) == EVP_PKEY_RSA
 177             && RSA_flags(EVP_PKEY_get0_RSA(pkey)) & RSA_METHOD_FLAG_NO_CHECK) ;
 178         else
 179 #endif
 180         if (!X509_check_private_key(c->pkeys[i].x509, pkey)) {
 181             X509_free(c->pkeys[i].x509);
 182             c->pkeys[i].x509 = NULL;
 183             return 0;
 184         }
 185     }
 186
 187     EVP_PKEY_free(c->pkeys[i].privatekey);
 188     EVP_PKEY_up_ref(pkey);
 189     c->pkeys[i].privatekey = pkey;
 190     c->key = &c->pkeys[i];
 191     return 1;
 192 }
 193
 194 #ifndef OPENSSL_NO_RSA
 195 int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type)
 196 {
 197     int j, ret = 0;
 198     BIO *in;
 199     RSA *rsa = NULL;
 200
 201     in = BIO_new(BIO_s_file());
 202     if (in == NULL) {
 203         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
 204         goto end;
 205     }
 206
 207     if (BIO_read_filename(in, file) <= 0) {
 208         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
 209         goto end;
 210     }
 211     if (type == SSL_FILETYPE_ASN1) {
 212         j = ERR_R_ASN1_LIB;
 213         rsa = d2i_RSAPrivateKey_bio(in, NULL);
 214     } else if (type == SSL_FILETYPE_PEM) {
 215         j = ERR_R_PEM_LIB;
 216         rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
 217                                          ssl->default_passwd_callback,
 218                                          ssl->default_passwd_callback_userdata);
 219     } else {
 220         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
 221         goto end;
 222     }
 223     if (rsa == NULL) {
 224         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE, j);
 225         goto end;
 226     }
 227     ret = SSL_use_RSAPrivateKey(ssl, rsa);
 228     RSA_free(rsa);
 229  end:
 230     BIO_free(in);
 231     return ret;
 232 }
 233
 234 int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, const unsigned char *d, long len)
 235 {
 236     int ret;
 237     const unsigned char *p;
 238     RSA *rsa;
 239
 240     p = d;
 241     if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
 242         SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
 243         return 0;
 244     }
 245
 246     ret = SSL_use_RSAPrivateKey(ssl, rsa);
 247     RSA_free(rsa);
 248     return ret;
 249 }
 250 #endif                          /* !OPENSSL_NO_RSA */
 251
 252 int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey)
 253 {
 254     int ret;
 255
 256     if (pkey == NULL) {
 257         SSLerr(SSL_F_SSL_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
 258         return 0;
 259     }
 260     ret = ssl_set_pkey(ssl->cert, pkey);
 261     return ret;
 262 }
 263
 264 int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type)
 265 {
 266     int j, ret = 0;
 267     BIO *in;
 268     EVP_PKEY *pkey = NULL;
 269
 270     in = BIO_new(BIO_s_file());
 271     if (in == NULL) {
 272         SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
 273         goto end;
 274     }
 275
 276     if (BIO_read_filename(in, file) <= 0) {
 277         SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
 278         goto end;
 279     }
 280     if (type == SSL_FILETYPE_PEM) {
 281         j = ERR_R_PEM_LIB;
 282         pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
 283                                           ssl->default_passwd_callback,
 284                                           ssl->default_passwd_callback_userdata,
 285                                           ssl->ctx->libctx,
 286                                           ssl->ctx->propq);
 287     } else if (type == SSL_FILETYPE_ASN1) {
 288         j = ERR_R_ASN1_LIB;
 289         pkey = d2i_PrivateKey_ex_bio(in, NULL, ssl->ctx->libctx,
 290                                      ssl->ctx->propq);
 291     } else {
 292         SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
 293         goto end;
 294     }
 295     if (pkey == NULL) {
 296         SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE, j);
 297         goto end;
 298     }
 299     ret = SSL_use_PrivateKey(ssl, pkey);
 300     EVP_PKEY_free(pkey);
 301  end:
 302     BIO_free(in);
 303     return ret;
 304 }
 305
 306 int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d,
 307                             long len)
 308 {
 309     int ret;
 310     const unsigned char *p;
 311     EVP_PKEY *pkey;
 312
 313     p = d;
 314     if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ssl->ctx->libctx,
 315                                   ssl->ctx->propq)) == NULL) {
 316         SSLerr(SSL_F_SSL_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
 317         return 0;
 318     }
 319
 320     ret = SSL_use_PrivateKey(ssl, pkey);
 321     EVP_PKEY_free(pkey);
 322     return ret;
 323 }
 324
 325 int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x)
 326 {
 327     int rv;
 328     if (x == NULL) {
 329         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, ERR_R_PASSED_NULL_PARAMETER);
 330         return 0;
 331     }
 332
 333     rv = ssl_security_cert(NULL, ctx, x, 0, 1);
 334     if (rv != 1) {
 335         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE, rv);
 336         return 0;
 337     }
 338     return ssl_set_cert(ctx->cert, x);
 339 }
 340
 341 static int ssl_set_cert(CERT *c, X509 *x)
 342 {
 343     EVP_PKEY *pkey;
 344     size_t i;
 345
 346     pkey = X509_get0_pubkey(x);
 347     if (pkey == NULL) {
 348         SSLerr(SSL_F_SSL_SET_CERT, SSL_R_X509_LIB);
 349         return 0;
 350     }
 351
 352     if (ssl_cert_lookup_by_pkey(pkey, &i) == NULL) {
 353         SSLerr(SSL_F_SSL_SET_CERT, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
 354         return 0;
 355     }
 356 #ifndef OPENSSL_NO_EC
 357     if (i == SSL_PKEY_ECC && !EVP_PKEY_can_sign(pkey)) {
 358         SSLerr(SSL_F_SSL_SET_CERT, SSL_R_ECC_CERT_NOT_FOR_SIGNING);
 359         return 0;
 360     }
 361 #endif
 362     if (c->pkeys[i].privatekey != NULL) {
 363         /*
 364          * The return code from EVP_PKEY_copy_parameters is deliberately
 365          * ignored. Some EVP_PKEY types cannot do this.
 366          */
 367         EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
 368         ERR_clear_error();
 369
 370 #ifndef OPENSSL_NO_RSA
 371         /*
 372          * Don't check the public/private key, this is mostly for smart
 373          * cards.
 374          */
 375         if (EVP_PKEY_id(c->pkeys[i].privatekey) == EVP_PKEY_RSA
 376             && RSA_flags(EVP_PKEY_get0_RSA(c->pkeys[i].privatekey)) &
 377             RSA_METHOD_FLAG_NO_CHECK) ;
 378         else
 379 #endif                          /* OPENSSL_NO_RSA */
 380         if (!X509_check_private_key(x, c->pkeys[i].privatekey)) {
 381             /*
 382              * don't fail for a cert/key mismatch, just free current private
 383              * key (when switching to a different cert & key, first this
 384              * function should be used, then ssl_set_pkey
 385              */
 386             EVP_PKEY_free(c->pkeys[i].privatekey);
 387             c->pkeys[i].privatekey = NULL;
 388             /* clear error queue */
 389             ERR_clear_error();
 390         }
 391     }
 392
 393     X509_free(c->pkeys[i].x509);
 394     X509_up_ref(x);
 395     c->pkeys[i].x509 = x;
 396     c->key = &(c->pkeys[i]);
 397
 398     return 1;
 399 }
 400
 401 int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type)
 402 {
 403     int j = SSL_R_BAD_VALUE;
 404     BIO *in;
 405     int ret = 0;
 406     X509 *x = NULL, *cert = NULL;
 407
 408     in = BIO_new(BIO_s_file());
 409     if (in == NULL) {
 410         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_BUF_LIB);
 411         goto end;
 412     }
 413
 414     if (BIO_read_filename(in, file) <= 0) {
 415         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, ERR_R_SYS_LIB);
 416         goto end;
 417     }
 418     if (type != SSL_FILETYPE_ASN1 && type != SSL_FILETYPE_PEM) {
 419         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, SSL_R_BAD_SSL_FILETYPE);
 420         goto end;
 421     }
 422     x = X509_new_with_libctx(ctx->libctx, ctx->propq);
 423     if (x == NULL) {
 424         SSLerr(0, ERR_R_MALLOC_FAILURE);
 425         goto end;
 426     }
 427     if (type == SSL_FILETYPE_ASN1) {
 428         j = ERR_R_ASN1_LIB;
 429         cert = d2i_X509_bio(in, &x);
 430     } else if (type == SSL_FILETYPE_PEM) {
 431         j = ERR_R_PEM_LIB;
 432         cert = PEM_read_bio_X509(in, &x, ctx->default_passwd_callback,
 433                                  ctx->default_passwd_callback_userdata);
 434     }
 435     if (cert == NULL) {
 436         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE, j);
 437         goto end;
 438     }
 439
 440     ret = SSL_CTX_use_certificate(ctx, x);
 441  end:
 442     X509_free(x);
 443     BIO_free(in);
 444     return ret;
 445 }
 446
 447 int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d)
 448 {
 449     X509 *x;
 450     int ret;
 451
 452     x = X509_new_with_libctx(ctx->libctx, ctx->propq);
 453     if (x == NULL) {
 454         SSLerr(0, ERR_R_MALLOC_FAILURE);
 455         return 0;
 456     }
 457
 458     if (d2i_X509(&x, &d, (long)len) == NULL) {
 459         X509_free(x);
 460         SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1, ERR_R_ASN1_LIB);
 461         return 0;
 462     }
 463
 464     ret = SSL_CTX_use_certificate(ctx, x);
 465     X509_free(x);
 466     return ret;
 467 }
 468
 469 #ifndef OPENSSL_NO_RSA
 470 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa)
 471 {
 472     int ret;
 473     EVP_PKEY *pkey;
 474
 475     if (rsa == NULL) {
 476         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
 477         return 0;
 478     }
 479     if ((pkey = EVP_PKEY_new()) == NULL) {
 480         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY, ERR_R_EVP_LIB);
 481         return 0;
 482     }
 483
 484     RSA_up_ref(rsa);
 485     if (EVP_PKEY_assign_RSA(pkey, rsa) <= 0) {
 486         RSA_free(rsa);
 487         EVP_PKEY_free(pkey);
 488         return 0;
 489     }
 490
 491     ret = ssl_set_pkey(ctx->cert, pkey);
 492     EVP_PKEY_free(pkey);
 493     return ret;
 494 }
 495
 496 int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type)
 497 {
 498     int j, ret = 0;
 499     BIO *in;
 500     RSA *rsa = NULL;
 501
 502     in = BIO_new(BIO_s_file());
 503     if (in == NULL) {
 504         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_BUF_LIB);
 505         goto end;
 506     }
 507
 508     if (BIO_read_filename(in, file) <= 0) {
 509         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, ERR_R_SYS_LIB);
 510         goto end;
 511     }
 512     if (type == SSL_FILETYPE_ASN1) {
 513         j = ERR_R_ASN1_LIB;
 514         rsa = d2i_RSAPrivateKey_bio(in, NULL);
 515     } else if (type == SSL_FILETYPE_PEM) {
 516         j = ERR_R_PEM_LIB;
 517         rsa = PEM_read_bio_RSAPrivateKey(in, NULL,
 518                                          ctx->default_passwd_callback,
 519                                          ctx->default_passwd_callback_userdata);
 520     } else {
 521         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
 522         goto end;
 523     }
 524     if (rsa == NULL) {
 525         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE, j);
 526         goto end;
 527     }
 528     ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
 529     RSA_free(rsa);
 530  end:
 531     BIO_free(in);
 532     return ret;
 533 }
 534
 535 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d,
 536                                    long len)
 537 {
 538     int ret;
 539     const unsigned char *p;
 540     RSA *rsa;
 541
 542     p = d;
 543     if ((rsa = d2i_RSAPrivateKey(NULL, &p, (long)len)) == NULL) {
 544         SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
 545         return 0;
 546     }
 547
 548     ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
 549     RSA_free(rsa);
 550     return ret;
 551 }
 552 #endif                          /* !OPENSSL_NO_RSA */
 553
 554 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey)
 555 {
 556     if (pkey == NULL) {
 557         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY, ERR_R_PASSED_NULL_PARAMETER);
 558         return 0;
 559     }
 560     return ssl_set_pkey(ctx->cert, pkey);
 561 }
 562
 563 int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type)
 564 {
 565     int j, ret = 0;
 566     BIO *in;
 567     EVP_PKEY *pkey = NULL;
 568
 569     in = BIO_new(BIO_s_file());
 570     if (in == NULL) {
 571         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_BUF_LIB);
 572         goto end;
 573     }
 574
 575     if (BIO_read_filename(in, file) <= 0) {
 576         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, ERR_R_SYS_LIB);
 577         goto end;
 578     }
 579     if (type == SSL_FILETYPE_PEM) {
 580         j = ERR_R_PEM_LIB;
 581         pkey = PEM_read_bio_PrivateKey_ex(in, NULL,
 582                                        ctx->default_passwd_callback,
 583                                        ctx->default_passwd_callback_userdata,
 584                                        ctx->libctx, ctx->propq);
 585     } else if (type == SSL_FILETYPE_ASN1) {
 586         j = ERR_R_ASN1_LIB;
 587         pkey = d2i_PrivateKey_ex_bio(in, NULL, ctx->libctx, ctx->propq);
 588     } else {
 589         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, SSL_R_BAD_SSL_FILETYPE);
 590         goto end;
 591     }
 592     if (pkey == NULL) {
 593         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE, j);
 594         goto end;
 595     }
 596     ret = SSL_CTX_use_PrivateKey(ctx, pkey);
 597     EVP_PKEY_free(pkey);
 598  end:
 599     BIO_free(in);
 600     return ret;
 601 }
 602
 603 int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx,
 604                                 const unsigned char *d, long len)
 605 {
 606     int ret;
 607     const unsigned char *p;
 608     EVP_PKEY *pkey;
 609
 610     p = d;
 611     if ((pkey = d2i_PrivateKey_ex(type, NULL, &p, (long)len, ctx->libctx,
 612                                   ctx->propq)) == NULL) {
 613         SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1, ERR_R_ASN1_LIB);
 614         return 0;
 615     }
 616
 617     ret = SSL_CTX_use_PrivateKey(ctx, pkey);
 618     EVP_PKEY_free(pkey);
 619     return ret;
 620 }
 621
 622 /*
 623  * Read a file that contains our certificate in "PEM" format, possibly
 624  * followed by a sequence of CA certificates that should be sent to the peer
 625  * in the Certificate message.
 626  */
 627 static int use_certificate_chain_file(SSL_CTX *ctx, SSL *ssl, const char *file)
 628 {
 629     BIO *in;
 630     int ret = 0;
 631     X509 *x = NULL;
 632     pem_password_cb *passwd_callback;
 633     void *passwd_callback_userdata;
 634     SSL_CTX *real_ctx = (ssl == NULL) ? ctx : ssl->ctx;
 635
 636     ERR_clear_error();          /* clear error stack for
 637                                  * SSL_CTX_use_certificate() */
 638
 639     if (ctx != NULL) {
 640         passwd_callback = ctx->default_passwd_callback;
 641         passwd_callback_userdata = ctx->default_passwd_callback_userdata;
 642     } else {
 643         passwd_callback = ssl->default_passwd_callback;
 644         passwd_callback_userdata = ssl->default_passwd_callback_userdata;
 645     }
 646
 647     in = BIO_new(BIO_s_file());
 648     if (in == NULL) {
 649         SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB);
 650         goto end;
 651     }
 652
 653     if (BIO_read_filename(in, file) <= 0) {
 654         SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_SYS_LIB);
 655         goto end;
 656     }
 657
 658     x = X509_new_with_libctx(real_ctx->libctx, real_ctx->propq);
 659     if (x == NULL) {
 660         SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_MALLOC_FAILURE);
 661         goto end;
 662     }
 663     if (PEM_read_bio_X509_AUX(in, &x, passwd_callback,
 664                               passwd_callback_userdata) == NULL) {
 665         SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB);
 666         goto end;
 667     }
 668
 669     if (ctx)
 670         ret = SSL_CTX_use_certificate(ctx, x);
 671     else
 672         ret = SSL_use_certificate(ssl, x);
 673
 674     if (ERR_peek_error() != 0)
 675         ret = 0;                /* Key/certificate mismatch doesn't imply
 676                                  * ret==0 ... */
 677     if (ret) {
 678         /*
 679          * If we could set up our certificate, now proceed to the CA
 680          * certificates.
 681          */
 682         X509 *ca;
 683         int r;
 684         unsigned long err;
 685
 686         if (ctx)
 687             r = SSL_CTX_clear_chain_certs(ctx);
 688         else
 689             r = SSL_clear_chain_certs(ssl);
 690
 691         if (r == 0) {
 692             ret = 0;
 693             goto end;
 694         }
 695
 696         while (1) {
 697             ca = X509_new_with_libctx(real_ctx->libctx, real_ctx->propq);
 698             if (ca == NULL) {
 699                 SSLerr(SSL_F_USE_CERTIFICATE_CHAIN_FILE, ERR_R_MALLOC_FAILURE);
 700                 goto end;
 701             }
 702             if (PEM_read_bio_X509(in, &ca, passwd_callback,
 703                                   passwd_callback_userdata) != NULL) {
 704                 if (ctx)
 705                     r = SSL_CTX_add0_chain_cert(ctx, ca);
 706                 else
 707                     r = SSL_add0_chain_cert(ssl, ca);
 708                 /*
 709                  * Note that we must not free ca if it was successfully added to
 710                  * the chain (while we must free the main certificate, since its
 711                  * reference count is increased by SSL_CTX_use_certificate).
 712                  */
 713                 if (!r) {
 714                     X509_free(ca);
 715                     ret = 0;
 716                     goto end;
 717                 }
 718             } else {
 719                 X509_free(ca);
 720                 break;
 721             }
 722         }
 723         /* When the while loop ends, it's usually just EOF. */
 724         err = ERR_peek_last_error();
 725         if (ERR_GET_LIB(err) == ERR_LIB_PEM
 726             && ERR_GET_REASON(err) == PEM_R_NO_START_LINE)
 727             ERR_clear_error();
 728         else
 729             ret = 0;            /* some real error */
 730     }
 731
 732  end:
 733     X509_free(x);
 734     BIO_free(in);
 735     return ret;
 736 }
 737
 738 int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
 739 {
 740     return use_certificate_chain_file(ctx, NULL, file);
 741 }
 742
 743 int SSL_use_certificate_chain_file(SSL *ssl, const char *file)
 744 {
 745     return use_certificate_chain_file(NULL, ssl, file);
 746 }
 747
 748 static int serverinfo_find_extension(const unsigned char *serverinfo,
 749                                      size_t serverinfo_length,
 750                                      unsigned int extension_type,
 751                                      const unsigned char **extension_data,
 752                                      size_t *extension_length)
 753 {
 754     PACKET pkt, data;
 755
 756     *extension_data = NULL;
 757     *extension_length = 0;
 758     if (serverinfo == NULL || serverinfo_length == 0)
 759         return -1;
 760
 761     if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
 762         return -1;
 763
 764     for (;;) {
 765         unsigned int type = 0;
 766         unsigned long context = 0;
 767
 768         /* end of serverinfo */
 769         if (PACKET_remaining(&pkt) == 0)
 770             return 0;           /* Extension not found */
 771
 772         if (!PACKET_get_net_4(&pkt, &context)
 773                 || !PACKET_get_net_2(&pkt, &type)
 774                 || !PACKET_get_length_prefixed_2(&pkt, &data))
 775             return -1;
 776
 777         if (type == extension_type) {
 778             *extension_data = PACKET_data(&data);
 779             *extension_length = PACKET_remaining(&data);;
 780             return 1;           /* Success */
 781         }
 782     }
 783     /* Unreachable */
 784 }
 785
 786 static int serverinfoex_srv_parse_cb(SSL *s, unsigned int ext_type,
 787                                      unsigned int context,
 788                                      const unsigned char *in,
 789                                      size_t inlen, X509 *x, size_t chainidx,
 790                                      int *al, void *arg)
 791 {
 792
 793     if (inlen != 0) {
 794         *al = SSL_AD_DECODE_ERROR;
 795         return 0;
 796     }
 797
 798     return 1;
 799 }
 800
 801 static int serverinfo_srv_parse_cb(SSL *s, unsigned int ext_type,
 802                                    const unsigned char *in,
 803                                    size_t inlen, int *al, void *arg)
 804 {
 805     return serverinfoex_srv_parse_cb(s, ext_type, 0, in, inlen, NULL, 0, al,
 806                                      arg);
 807 }
 808
 809 static int serverinfoex_srv_add_cb(SSL *s, unsigned int ext_type,
 810                                    unsigned int context,
 811                                    const unsigned char **out,
 812                                    size_t *outlen, X509 *x, size_t chainidx,
 813                                    int *al, void *arg)
 814 {
 815     const unsigned char *serverinfo = NULL;
 816     size_t serverinfo_length = 0;
 817
 818     /* We only support extensions for the first Certificate */
 819     if ((context & SSL_EXT_TLS1_3_CERTIFICATE) != 0 && chainidx > 0)
 820         return 0;
 821
 822     /* Is there serverinfo data for the chosen server cert? */
 823     if ((ssl_get_server_cert_serverinfo(s, &serverinfo,
 824                                         &serverinfo_length)) != 0) {
 825         /* Find the relevant extension from the serverinfo */
 826         int retval = serverinfo_find_extension(serverinfo, serverinfo_length,
 827                                                ext_type, out, outlen);
 828         if (retval == -1) {
 829             *al = SSL_AD_INTERNAL_ERROR;
 830             return -1;          /* Error */
 831         }
 832         if (retval == 0)
 833             return 0;           /* No extension found, don't send extension */
 834         return 1;               /* Send extension */
 835     }
 836     return 0;                   /* No serverinfo data found, don't send
 837                                  * extension */
 838 }
 839
 840 static int serverinfo_srv_add_cb(SSL *s, unsigned int ext_type,
 841                                  const unsigned char **out, size_t *outlen,
 842                                  int *al, void *arg)
 843 {
 844     return serverinfoex_srv_add_cb(s, ext_type, 0, out, outlen, NULL, 0, al,
 845                                    arg);
 846 }
 847
 848 /*
 849  * With a NULL context, this function just checks that the serverinfo data
 850  * parses correctly.  With a non-NULL context, it registers callbacks for
 851  * the included extensions.
 852  */
 853 static int serverinfo_process_buffer(unsigned int version,
 854                                      const unsigned char *serverinfo,
 855                                      size_t serverinfo_length, SSL_CTX *ctx)
 856 {
 857     PACKET pkt;
 858
 859     if (serverinfo == NULL || serverinfo_length == 0)
 860         return 0;
 861
 862     if (version != SSL_SERVERINFOV1 && version != SSL_SERVERINFOV2)
 863         return 0;
 864
 865     if (!PACKET_buf_init(&pkt, serverinfo, serverinfo_length))
 866         return 0;
 867
 868     while (PACKET_remaining(&pkt)) {
 869         unsigned long context = 0;
 870         unsigned int ext_type = 0;
 871         PACKET data;
 872
 873         if ((version == SSL_SERVERINFOV2 && !PACKET_get_net_4(&pkt, &context))
 874                 || !PACKET_get_net_2(&pkt, &ext_type)
 875                 || !PACKET_get_length_prefixed_2(&pkt, &data))
 876             return 0;
 877
 878         if (ctx == NULL)
 879             continue;
 880
 881         /*
 882          * The old style custom extensions API could be set separately for
 883          * server/client, i.e. you could set one custom extension for a client,
 884          * and *for the same extension in the same SSL_CTX* you could set a
 885          * custom extension for the server as well. It seems quite weird to be
 886          * setting a custom extension for both client and server in a single
 887          * SSL_CTX - but theoretically possible. This isn't possible in the
 888          * new API. Therefore, if we have V1 serverinfo we use the old API. We
 889          * also use the old API even if we have V2 serverinfo but the context
 890          * looks like an old style <= TLSv1.2 extension.
 891          */
 892         if (version == SSL_SERVERINFOV1 || context == SYNTHV1CONTEXT) {
 893             if (!SSL_CTX_add_server_custom_ext(ctx, ext_type,
 894                                                serverinfo_srv_add_cb,
 895                                                NULL, NULL,
 896                                                serverinfo_srv_parse_cb,
 897                                                NULL))
 898                 return 0;
 899         } else {
 900             if (!SSL_CTX_add_custom_ext(ctx, ext_type, context,
 901                                         serverinfoex_srv_add_cb,
 902                                         NULL, NULL,
 903                                         serverinfoex_srv_parse_cb,
 904                                         NULL))
 905                 return 0;
 906         }
 907     }
 908
 909     return 1;
 910 }
 911
 912 int SSL_CTX_use_serverinfo_ex(SSL_CTX *ctx, unsigned int version,
 913                               const unsigned char *serverinfo,
 914                               size_t serverinfo_length)
 915 {
 916     unsigned char *new_serverinfo;
 917
 918     if (ctx == NULL || serverinfo == NULL || serverinfo_length == 0) {
 919         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_EX, ERR_R_PASSED_NULL_PARAMETER);
 920         return 0;
 921     }
 922     if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
 923                                    NULL)) {
 924         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_EX, SSL_R_INVALID_SERVERINFO_DATA);
 925         return 0;
 926     }
 927     if (ctx->cert->key == NULL) {
 928         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_EX, ERR_R_INTERNAL_ERROR);
 929         return 0;
 930     }
 931     new_serverinfo = OPENSSL_realloc(ctx->cert->key->serverinfo,
 932                                      serverinfo_length);
 933     if (new_serverinfo == NULL) {
 934         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_EX, ERR_R_MALLOC_FAILURE);
 935         return 0;
 936     }
 937     ctx->cert->key->serverinfo = new_serverinfo;
 938     memcpy(ctx->cert->key->serverinfo, serverinfo, serverinfo_length);
 939     ctx->cert->key->serverinfo_length = serverinfo_length;
 940
 941     /*
 942      * Now that the serverinfo is validated and stored, go ahead and
 943      * register callbacks.
 944      */
 945     if (!serverinfo_process_buffer(version, serverinfo, serverinfo_length,
 946                                    ctx)) {
 947         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_EX, SSL_R_INVALID_SERVERINFO_DATA);
 948         return 0;
 949     }
 950     return 1;
 951 }
 952
 953 int SSL_CTX_use_serverinfo(SSL_CTX *ctx, const unsigned char *serverinfo,
 954                            size_t serverinfo_length)
 955 {
 956     return SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV1, serverinfo,
 957                                      serverinfo_length);
 958 }
 959
 960 int SSL_CTX_use_serverinfo_file(SSL_CTX *ctx, const char *file)
 961 {
 962     unsigned char *serverinfo = NULL;
 963     unsigned char *tmp;
 964     size_t serverinfo_length = 0;
 965     unsigned char *extension = 0;
 966     long extension_length = 0;
 967     char *name = NULL;
 968     char *header = NULL;
 969     static const char namePrefix1[] = "SERVERINFO FOR ";
 970     static const char namePrefix2[] = "SERVERINFOV2 FOR ";
 971     unsigned int name_len;
 972     int ret = 0;
 973     BIO *bin = NULL;
 974     size_t num_extensions = 0, contextoff = 0;
 975
 976     if (ctx == NULL || file == NULL) {
 977         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_PASSED_NULL_PARAMETER);
 978         goto end;
 979     }
 980
 981     bin = BIO_new(BIO_s_file());
 982     if (bin == NULL) {
 983         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_BUF_LIB);
 984         goto end;
 985     }
 986     if (BIO_read_filename(bin, file) <= 0) {
 987         SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_SYS_LIB);
 988         goto end;
 989     }
 990
 991     for (num_extensions = 0;; num_extensions++) {
 992         unsigned int version;
 993
 994         if (PEM_read_bio(bin, &name, &header, &extension, &extension_length)
 995             == 0) {
 996             /*
 997              * There must be at least one extension in this file
 998              */
 999             if (num_extensions == 0) {
1000                 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
1001                        SSL_R_NO_PEM_EXTENSIONS);
1002                 goto end;
1003             } else              /* End of file, we're done */
1004                 break;
1005         }
1006         /* Check that PEM name starts with "BEGIN SERVERINFO FOR " */
1007         name_len = strlen(name);
1008         if (name_len < sizeof(namePrefix1) - 1) {
1009             SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_PEM_NAME_TOO_SHORT);
1010             goto end;
1011         }
1012         if (strncmp(name, namePrefix1, sizeof(namePrefix1) - 1) == 0) {
1013             version = SSL_SERVERINFOV1;
1014         } else {
1015             if (name_len < sizeof(namePrefix2) - 1) {
1016                 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
1017                        SSL_R_PEM_NAME_TOO_SHORT);
1018                 goto end;
1019             }
1020             if (strncmp(name, namePrefix2, sizeof(namePrefix2) - 1) != 0) {
1021                 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE,
1022                        SSL_R_PEM_NAME_BAD_PREFIX);
1023                 goto end;
1024             }
1025             version = SSL_SERVERINFOV2;
1026         }
1027         /*
1028          * Check that the decoded PEM data is plausible (valid length field)
1029          */
1030         if (version == SSL_SERVERINFOV1) {
1031             /* 4 byte header: 2 bytes type, 2 bytes len */
1032             if (extension_length < 4
1033                     || (extension[2] << 8) + extension[3]
1034                        != extension_length - 4) {
1035                 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
1036                 goto end;
1037             }
1038             /*
1039              * File does not have a context value so we must take account of
1040              * this later.
1041              */
1042             contextoff = 4;
1043         } else {
1044             /* 8 byte header: 4 bytes context, 2 bytes type, 2 bytes len */
1045             if (extension_length < 8
1046                     || (extension[6] << 8) + extension[7]
1047                        != extension_length - 8) {
1048                 SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, SSL_R_BAD_DATA);
1049                 goto end;
1050             }
1051         }
1052         /* Append the decoded extension to the serverinfo buffer */
1053         tmp = OPENSSL_realloc(serverinfo, serverinfo_length + extension_length
1054                                           + contextoff);
1055         if (tmp == NULL) {
1056             SSLerr(SSL_F_SSL_CTX_USE_SERVERINFO_FILE, ERR_R_MALLOC_FAILURE);
1057             goto end;
1058         }
1059         serverinfo = tmp;
1060         if (contextoff > 0) {
1061             unsigned char *sinfo = serverinfo + serverinfo_length;
1062
1063             /* We know this only uses the last 2 bytes */
1064             sinfo[0] = 0;
1065             sinfo[1] = 0;
1066             sinfo[2] = (SYNTHV1CONTEXT >> 8) & 0xff;
1067             sinfo[3] = SYNTHV1CONTEXT & 0xff;
1068         }
1069         memcpy(serverinfo + serverinfo_length + contextoff,
1070                extension, extension_length);
1071         serverinfo_length += extension_length + contextoff;
1072
1073         OPENSSL_free(name);
1074         name = NULL;
1075         OPENSSL_free(header);
1076         header = NULL;
1077         OPENSSL_free(extension);
1078         extension = NULL;
1079     }
1080
1081     ret = SSL_CTX_use_serverinfo_ex(ctx, SSL_SERVERINFOV2, serverinfo,
1082                                     serverinfo_length);
1083  end:
1084     /* SSL_CTX_use_serverinfo makes a local copy of the serverinfo. */
1085     OPENSSL_free(name);
1086     OPENSSL_free(header);
1087     OPENSSL_free(extension);
1088     OPENSSL_free(serverinfo);
1089     BIO_free(bin);
1090     return ret;
1091 }
1092
1093 static int ssl_set_cert_and_key(SSL *ssl, SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1094                                 STACK_OF(X509) *chain, int override)
1095 {
1096     int ret = 0;
1097     size_t i;
1098     int j;
1099     int rv;
1100     CERT *c = ssl != NULL ? ssl->cert : ctx->cert;
1101     STACK_OF(X509) *dup_chain = NULL;
1102     EVP_PKEY *pubkey = NULL;
1103
1104     /* Do all security checks before anything else */
1105     rv = ssl_security_cert(ssl, ctx, x509, 0, 1);
1106     if (rv != 1) {
1107         SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, rv);
1108         goto out;
1109     }
1110     for (j = 0; j < sk_X509_num(chain); j++) {
1111         rv = ssl_security_cert(ssl, ctx, sk_X509_value(chain, j), 0, 0);
1112         if (rv != 1) {
1113             SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, rv);
1114             goto out;
1115         }
1116     }
1117
1118     pubkey = X509_get_pubkey(x509); /* bumps reference */
1119     if (pubkey == NULL)
1120         goto out;
1121     if (privatekey == NULL) {
1122         privatekey = pubkey;
1123     } else {
1124         /* For RSA, which has no parameters, missing returns 0 */
1125         if (EVP_PKEY_missing_parameters(privatekey)) {
1126             if (EVP_PKEY_missing_parameters(pubkey)) {
1127                 /* nobody has parameters? - error */
1128                 SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, SSL_R_MISSING_PARAMETERS);
1129                 goto out;
1130             } else {
1131                 /* copy to privatekey from pubkey */
1132                 EVP_PKEY_copy_parameters(privatekey, pubkey);
1133             }
1134         } else if (EVP_PKEY_missing_parameters(pubkey)) {
1135             /* copy to pubkey from privatekey */
1136             EVP_PKEY_copy_parameters(pubkey, privatekey);
1137         } /* else both have parameters */
1138
1139         /* Copied from ssl_set_cert/pkey */
1140 #ifndef OPENSSL_NO_RSA
1141         if ((EVP_PKEY_id(privatekey) == EVP_PKEY_RSA) &&
1142             ((RSA_flags(EVP_PKEY_get0_RSA(privatekey)) & RSA_METHOD_FLAG_NO_CHECK)))
1143             /* no-op */ ;
1144         else
1145 #endif
1146         /* check that key <-> cert match */
1147         if (EVP_PKEY_eq(pubkey, privatekey) != 1) {
1148             SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, SSL_R_PRIVATE_KEY_MISMATCH);
1149             goto out;
1150         }
1151     }
1152     if (ssl_cert_lookup_by_pkey(pubkey, &i) == NULL) {
1153         SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
1154         goto out;
1155     }
1156
1157     if (!override && (c->pkeys[i].x509 != NULL
1158                       || c->pkeys[i].privatekey != NULL
1159                       || c->pkeys[i].chain != NULL)) {
1160         /* No override, and something already there */
1161         SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, SSL_R_NOT_REPLACING_CERTIFICATE);
1162         goto out;
1163     }
1164
1165     if (chain != NULL) {
1166         dup_chain = X509_chain_up_ref(chain);
1167         if  (dup_chain == NULL) {
1168             SSLerr(SSL_F_SSL_SET_CERT_AND_KEY, ERR_R_MALLOC_FAILURE);
1169             goto out;
1170         }
1171     }
1172
1173     sk_X509_pop_free(c->pkeys[i].chain, X509_free);
1174     c->pkeys[i].chain = dup_chain;
1175
1176     X509_free(c->pkeys[i].x509);
1177     X509_up_ref(x509);
1178     c->pkeys[i].x509 = x509;
1179
1180     EVP_PKEY_free(c->pkeys[i].privatekey);
1181     EVP_PKEY_up_ref(privatekey);
1182     c->pkeys[i].privatekey = privatekey;
1183
1184     c->key = &(c->pkeys[i]);
1185
1186     ret = 1;
1187  out:
1188     EVP_PKEY_free(pubkey);
1189     return ret;
1190 }
1191
1192 int SSL_use_cert_and_key(SSL *ssl, X509 *x509, EVP_PKEY *privatekey,
1193                          STACK_OF(X509) *chain, int override)
1194 {
1195     return ssl_set_cert_and_key(ssl, NULL, x509, privatekey, chain, override);
1196 }
1197
1198 int SSL_CTX_use_cert_and_key(SSL_CTX *ctx, X509 *x509, EVP_PKEY *privatekey,
1199                              STACK_OF(X509) *chain, int override)
1200 {
1201     return ssl_set_cert_and_key(NULL, ctx, x509, privatekey, chain, override);
1202 }