Initial commit of BoringSSL for Android.

1 files changed, 707 insertions, 0 deletions

diff --git a/src/ssl/ssl_rsa.c b/src/ssl/ssl_rsa.c
new file mode 100644
index 0000000..3d1bc62
--- /dev/null
+++ b/src/ssl/ssl_rsa.c
@@ -0,0 +1,707 @@
+/* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
+ * All rights reserved.
+ *
+ * This package is an SSL implementation written
+ * by Eric Young (eay@cryptsoft.com).
+ * The implementation was written so as to conform with Netscapes SSL.
+ *
+ * This library is free for commercial and non-commercial use as long as
+ * the following conditions are aheared to.  The following conditions
+ * apply to all code found in this distribution, be it the RC4, RSA,
+ * lhash, DES, etc., code; not just the SSL code.  The SSL documentation
+ * included with this distribution is covered by the same copyright terms
+ * except that the holder is Tim Hudson (tjh@cryptsoft.com).
+ *
+ * Copyright remains Eric Young's, and as such any Copyright notices in
+ * the code are not to be removed.
+ * If this package is used in a product, Eric Young should be given attribution
+ * as the author of the parts of the library used.
+ * This can be in the form of a textual message at program startup or
+ * in documentation (online or textual) provided with the package.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *    "This product includes cryptographic software written by
+ *     Eric Young (eay@cryptsoft.com)"
+ *    The word 'cryptographic' can be left out if the rouines from the library
+ *    being used are not cryptographic related :-).
+ * 4. If you include any Windows specific code (or a derivative thereof) from
+ *    the apps directory (application code) you must include an acknowledgement:
+ *    "This product includes software written by Tim Hudson (tjh@cryptsoft.com)"
+ *
+ * THIS SOFTWARE IS PROVIDED BY ERIC YOUNG ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * The licence and distribution terms for any publically available version or
+ * derivative of this code cannot be changed.  i.e. this code cannot simply be
+ * copied and put under another distribution licence
+ * [including the GNU Public Licence.] */
+
+#include <stdio.h>
+
+#include <openssl/bio.h>
+#include <openssl/err.h>
+#include <openssl/evp.h>
+#include <openssl/mem.h>
+#include <openssl/obj.h>
+#include <openssl/pem.h>
+#include <openssl/x509.h>
+
+#include "ssl_locl.h"
+
+static int ssl_set_cert(CERT *c, X509 *x509);
+static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
+
+int SSL_use_certificate(SSL *ssl, X509 *x) {
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate, ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+  if (!ssl_cert_inst(&ssl->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+  return ssl_set_cert(ssl->cert, x);
+}
+
+int SSL_use_certificate_file(SSL *ssl, const char *file, int type) {
+  int reason_code;
+  BIO *in;
+  int ret = 0;
+  X509 *x = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    x = d2i_X509_bio(in, NULL);
+  } else if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    x = PEM_read_bio_X509(in, NULL, ssl->ctx->default_passwd_callback,
+                          ssl->ctx->default_passwd_callback_userdata);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate_file, SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate_file, reason_code);
+    goto end;
+  }
+
+  ret = SSL_use_certificate(ssl, x);
+
+end:
+  if (x != NULL) {
+    X509_free(x);
+  }
+  if (in != NULL) {
+    BIO_free(in);
+  }
+
+  return ret;
+}
+
+int SSL_use_certificate_ASN1(SSL *ssl, const uint8_t *d, int len) {
+  X509 *x;
+  int ret;
+
+  x = d2i_X509(NULL, &d, (long)len);
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_certificate_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_use_certificate(ssl, x);
+  X509_free(x);
+  return ret;
+}
+
+int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa) {
+  EVP_PKEY *pkey;
+  int ret;
+
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey, ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+
+  if (!ssl_cert_inst(&ssl->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  pkey = EVP_PKEY_new();
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey, ERR_R_EVP_LIB);
+    return 0;
+  }
+
+  RSA_up_ref(rsa);
+  EVP_PKEY_assign_RSA(pkey, rsa);
+
+  ret = ssl_set_pkey(ssl->cert, pkey);
+  EVP_PKEY_free(pkey);
+
+  return ret;
+}
+
+static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey) {
+  int i;
+
+  i = ssl_cert_type(pkey);
+  if (i < 0) {
+    OPENSSL_PUT_ERROR(SSL, ssl_set_pkey, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
+    return 0;
+  }
+
+  if (c->pkeys[i].x509 != NULL) {
+    EVP_PKEY *pktmp;
+    pktmp = X509_get_pubkey(c->pkeys[i].x509);
+    EVP_PKEY_copy_parameters(pktmp, pkey);
+    EVP_PKEY_free(pktmp);
+    ERR_clear_error();
+
+    /* Sanity-check that the private key and the certificate match, unless the
+     * key is opaque (in case of, say, a smartcard). */
+    if (!EVP_PKEY_is_opaque(pkey) &&
+        !X509_check_private_key(c->pkeys[i].x509, pkey)) {
+      X509_free(c->pkeys[i].x509);
+      c->pkeys[i].x509 = NULL;
+      return 0;
+    }
+  }
+
+  if (c->pkeys[i].privatekey != NULL) {
+    EVP_PKEY_free(c->pkeys[i].privatekey);
+  }
+  c->pkeys[i].privatekey = EVP_PKEY_dup(pkey);
+  c->key = &(c->pkeys[i]);
+
+  return 1;
+}
+
+int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type) {
+  int reason_code, ret = 0;
+  BIO *in;
+  RSA *rsa = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    rsa = d2i_RSAPrivateKey_bio(in, NULL);
+  } else if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    rsa =
+        PEM_read_bio_RSAPrivateKey(in, NULL, ssl->ctx->default_passwd_callback,
+                                   ssl->ctx->default_passwd_callback_userdata);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey_file, SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey_file, reason_code);
+    goto end;
+  }
+  ret = SSL_use_RSAPrivateKey(ssl, rsa);
+  RSA_free(rsa);
+
+end:
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}
+
+int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, uint8_t *d, long len) {
+  int ret;
+  const uint8_t *p;
+  RSA *rsa;
+
+  p = d;
+  rsa = d2i_RSAPrivateKey(NULL, &p, (long)len);
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_RSAPrivateKey_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_use_RSAPrivateKey(ssl, rsa);
+  RSA_free(rsa);
+  return ret;
+}
+
+int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey) {
+  int ret;
+
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey, ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+
+  if (!ssl_cert_inst(&ssl->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  ret = ssl_set_pkey(ssl->cert, pkey);
+  return ret;
+}
+
+int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type) {
+  int reason_code, ret = 0;
+  BIO *in;
+  EVP_PKEY *pkey = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    pkey = PEM_read_bio_PrivateKey(in, NULL, ssl->ctx->default_passwd_callback,
+                                   ssl->ctx->default_passwd_callback_userdata);
+  } else if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    pkey = d2i_PrivateKey_bio(in, NULL);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey_file, SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey_file, reason_code);
+    goto end;
+  }
+  ret = SSL_use_PrivateKey(ssl, pkey);
+  EVP_PKEY_free(pkey);
+
+end:
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}
+
+int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const uint8_t *d, long len) {
+  int ret;
+  const uint8_t *p;
+  EVP_PKEY *pkey;
+
+  p = d;
+  pkey = d2i_PrivateKey(type, NULL, &p, (long)len);
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_use_PrivateKey_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_use_PrivateKey(ssl, pkey);
+  EVP_PKEY_free(pkey);
+  return ret;
+}
+
+int SSL_CTX_use_certificate(SSL_CTX *ctx, X509 *x) {
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate,
+                      ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+  if (!ssl_cert_inst(&ctx->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  return ssl_set_cert(ctx->cert, x);
+}
+
+static int ssl_set_cert(CERT *c, X509 *x) {
+  EVP_PKEY *pkey;
+  int i;
+
+  pkey = X509_get_pubkey(x);
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, ssl_set_cert, SSL_R_X509_LIB);
+    return 0;
+  }
+
+  i = ssl_cert_type(pkey);
+  if (i < 0) {
+    OPENSSL_PUT_ERROR(SSL, ssl_set_cert, SSL_R_UNKNOWN_CERTIFICATE_TYPE);
+    EVP_PKEY_free(pkey);
+    return 0;
+  }
+
+  if (c->pkeys[i].privatekey != NULL) {
+    EVP_PKEY_copy_parameters(pkey, c->pkeys[i].privatekey);
+    ERR_clear_error();
+
+    /* Sanity-check that the private key and the certificate match, unless the
+     * key is opaque (in case of, say, a smartcard). */
+    if (!EVP_PKEY_is_opaque(c->pkeys[i].privatekey) &&
+        !X509_check_private_key(x, c->pkeys[i].privatekey)) {
+      /* don't fail for a cert/key mismatch, just free current private key
+       * (when switching to a different cert & key, first this function should
+       * be used, then ssl_set_pkey */
+      EVP_PKEY_free(c->pkeys[i].privatekey);
+      c->pkeys[i].privatekey = NULL;
+      /* clear error queue */
+      ERR_clear_error();
+    }
+  }
+
+  EVP_PKEY_free(pkey);
+
+  if (c->pkeys[i].x509 != NULL) {
+    X509_free(c->pkeys[i].x509);
+  }
+  c->pkeys[i].x509 = X509_up_ref(x);
+  c->key = &(c->pkeys[i]);
+
+  return 1;
+}
+
+int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type) {
+  int reason_code;
+  BIO *in;
+  int ret = 0;
+  X509 *x = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    x = d2i_X509_bio(in, NULL);
+  } else if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    x = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
+                          ctx->default_passwd_callback_userdata);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_file,
+                      SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_file, reason_code);
+    goto end;
+  }
+
+  ret = SSL_CTX_use_certificate(ctx, x);
+
+end:
+  if (x != NULL) {
+    X509_free(x);
+  }
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}
+
+int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const uint8_t *d) {
+  X509 *x;
+  int ret;
+
+  x = d2i_X509(NULL, &d, (long)len);
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_CTX_use_certificate(ctx, x);
+  X509_free(x);
+  return ret;
+}
+
+int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa) {
+  int ret;
+  EVP_PKEY *pkey;
+
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey,
+                      ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+
+  if (!ssl_cert_inst(&ctx->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  pkey = EVP_PKEY_new();
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey, ERR_R_EVP_LIB);
+    return 0;
+  }
+
+  RSA_up_ref(rsa);
+  EVP_PKEY_assign_RSA(pkey, rsa);
+
+  ret = ssl_set_pkey(ctx->cert, pkey);
+  EVP_PKEY_free(pkey);
+  return ret;
+}
+
+int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type) {
+  int reason_code, ret = 0;
+  BIO *in;
+  RSA *rsa = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    rsa = d2i_RSAPrivateKey_bio(in, NULL);
+  } else if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    rsa = PEM_read_bio_RSAPrivateKey(in, NULL, ctx->default_passwd_callback,
+                                     ctx->default_passwd_callback_userdata);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey_file,
+                      SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey_file, reason_code);
+    goto end;
+  }
+  ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
+  RSA_free(rsa);
+
+end:
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}
+
+int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const uint8_t *d, long len) {
+  int ret;
+  const uint8_t *p;
+  RSA *rsa;
+
+  p = d;
+  rsa = d2i_RSAPrivateKey(NULL, &p, (long)len);
+  if (rsa == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_RSAPrivateKey_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_CTX_use_RSAPrivateKey(ctx, rsa);
+  RSA_free(rsa);
+  return ret;
+}
+
+int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey) {
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey, ERR_R_PASSED_NULL_PARAMETER);
+    return 0;
+  }
+
+  if (!ssl_cert_inst(&ctx->cert)) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey, ERR_R_MALLOC_FAILURE);
+    return 0;
+  }
+
+  return ssl_set_pkey(ctx->cert, pkey);
+}
+
+int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type) {
+  int reason_code, ret = 0;
+  BIO *in;
+  EVP_PKEY *pkey = NULL;
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  if (type == SSL_FILETYPE_PEM) {
+    reason_code = ERR_R_PEM_LIB;
+    pkey = PEM_read_bio_PrivateKey(in, NULL, ctx->default_passwd_callback,
+                                   ctx->default_passwd_callback_userdata);
+  } else if (type == SSL_FILETYPE_ASN1) {
+    reason_code = ERR_R_ASN1_LIB;
+    pkey = d2i_PrivateKey_bio(in, NULL);
+  } else {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey_file, SSL_R_BAD_SSL_FILETYPE);
+    goto end;
+  }
+
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey_file, reason_code);
+    goto end;
+  }
+  ret = SSL_CTX_use_PrivateKey(ctx, pkey);
+  EVP_PKEY_free(pkey);
+
+end:
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}
+
+int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, const uint8_t *d,
+                                long len) {
+  int ret;
+  const uint8_t *p;
+  EVP_PKEY *pkey;
+
+  p = d;
+  pkey = d2i_PrivateKey(type, NULL, &p, (long)len);
+  if (pkey == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_PrivateKey_ASN1, ERR_R_ASN1_LIB);
+    return 0;
+  }
+
+  ret = SSL_CTX_use_PrivateKey(ctx, pkey);
+  EVP_PKEY_free(pkey);
+  return ret;
+}
+
+
+/* Read a file that contains our certificate in "PEM" format, possibly followed
+ * by a sequence of CA certificates that should be sent to the peer in the
+ * Certificate message. */
+int SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file) {
+  BIO *in;
+  int ret = 0;
+  X509 *x = NULL;
+
+  ERR_clear_error(); /* clear error stack for SSL_CTX_use_certificate() */
+
+  in = BIO_new(BIO_s_file());
+  if (in == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_chain_file, ERR_R_BUF_LIB);
+    goto end;
+  }
+
+  if (BIO_read_filename(in, file) <= 0) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_chain_file, ERR_R_SYS_LIB);
+    goto end;
+  }
+
+  x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
+                            ctx->default_passwd_callback_userdata);
+  if (x == NULL) {
+    OPENSSL_PUT_ERROR(SSL, SSL_CTX_use_certificate_chain_file, ERR_R_PEM_LIB);
+    goto end;
+  }
+
+  ret = SSL_CTX_use_certificate(ctx, x);
+
+  if (ERR_peek_error() != 0) {
+    ret = 0; /* Key/certificate mismatch doesn't imply ret==0 ... */
+  }
+
+  if (ret) {
+    /* If we could set up our certificate, now proceed to the CA
+     * certificates. */
+    X509 *ca;
+    int r;
+    unsigned long err;
+
+    SSL_CTX_clear_chain_certs(ctx);
+
+    while ((ca = PEM_read_bio_X509(in, NULL, ctx->default_passwd_callback,
+                                   ctx->default_passwd_callback_userdata)) !=
+           NULL) {
+      r = SSL_CTX_add0_chain_cert(ctx, ca);
+      if (!r) {
+        X509_free(ca);
+        ret = 0;
+        goto end;
+      }
+      /* Note that we must not free r if it was successfully added to the chain
+       * (while we must free the main certificate, since its reference count is
+       * increased by SSL_CTX_use_certificate). */
+    }
+
+    /* When the while loop ends, it's usually just EOF. */
+    err = ERR_peek_last_error();
+    if (ERR_GET_LIB(err) == ERR_LIB_PEM &&
+        ERR_GET_REASON(err) == PEM_R_NO_START_LINE) {
+      ERR_clear_error();
+    } else {
+      ret = 0; /* some real error */
+    }
+  }
+
+end:
+  if (x != NULL) {
+    X509_free(x);
+  }
+  if (in != NULL) {
+    BIO_free(in);
+  }
+  return ret;
+}