diff options
Diffstat (limited to 'openbsd-compat/libressl.c')
| -rw-r--r-- | openbsd-compat/libressl.c | 131 |
1 files changed, 131 insertions, 0 deletions
diff --git a/openbsd-compat/libressl.c b/openbsd-compat/libressl.c new file mode 100644 index 00000000..f4f2b52e --- /dev/null +++ b/openbsd-compat/libressl.c @@ -0,0 +1,131 @@ +/* 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 <sys/types.h> + +#include <unistd.h> +#include <stdio.h> + +#include <openssl/err.h> +#include <openssl/bio.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pem.h> +#include <openssl/ssl.h> + +int +SSL_CTX_use_certificate_chain(SSL_CTX *ctx, char *buf, off_t len) +{ + int ret; + BIO*in; + X509*x; + X509*ca; + unsigned long err; + + ret = 0; + x = ca = NULL; + + if ((in = BIO_new_mem_buf(buf, len)) == NULL) { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_BUF_LIB); + goto end; + } + + if ((x = PEM_read_bio_X509(in, NULL, + ctx->default_passwd_callback, + ctx->default_passwd_callback_userdata)) == NULL) { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE, ERR_R_PEM_LIB); + goto end; + } + + if (!SSL_CTX_use_certificate(ctx, x) || ERR_peek_error() != 0) + goto end; + + /* If we could set up our certificate, now proceed to + * the CA certificates. + */ + + if (ctx->extra_certs != NULL) { + sk_X509_pop_free(ctx->extra_certs, X509_free); + ctx->extra_certs = NULL; + } + + while ((ca = PEM_read_bio_X509(in, NULL, + ctx->default_passwd_callback, + ctx->default_passwd_callback_userdata)) != NULL) { + + if (!SSL_CTX_add_extra_chain_cert(ctx, ca)) + goto end; + } + + 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 + goto end; + + ret = 1; +end: + if (ca != NULL) + X509_free(ca); + if (x != NULL) + X509_free(x); + if (in != NULL) + BIO_free(in); + return (ret); +} |