/* 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 "internal.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;
}
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:
X509_free(x);
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;
}
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) {
/* 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;
}
}
EVP_PKEY_free(c->pkeys[i].privatekey);
c->pkeys[i].privatekey = EVP_PKEY_up_ref(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:
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;
}
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:
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;
}
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) {
/* 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);
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:
X509_free(x);
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;
}
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:
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;
}
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:
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;
uint32_t 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:
X509_free(x);
BIO_free(in);
return ret;
}