diff options
author | Juan Linietsky <reduzio@gmail.com> | 2014-04-28 21:56:43 -0300 |
---|---|---|
committer | Juan Linietsky <reduzio@gmail.com> | 2014-04-28 21:56:43 -0300 |
commit | 87f37bc5a305e6a68ef232be580350588e300fcc (patch) | |
tree | 608af97f58c0dd7f2f6f86d973b072f7888bfca0 /drivers/builtin_openssl/ssl/ssl_rsa.c | |
parent | 7fadc2f93a18f2b5487fbcd6e90bcde781c53fec (diff) |
-Added OpenSSL and HTTPS support
-Built-in version of the library for Windows, Android and iOS (other OSs use system one)
-Small fixes all around
Diffstat (limited to 'drivers/builtin_openssl/ssl/ssl_rsa.c')
-rw-r--r-- | drivers/builtin_openssl/ssl/ssl_rsa.c | 783 |
1 files changed, 783 insertions, 0 deletions
diff --git a/drivers/builtin_openssl/ssl/ssl_rsa.c b/drivers/builtin_openssl/ssl/ssl_rsa.c new file mode 100644 index 0000000000..60e7b66859 --- /dev/null +++ b/drivers/builtin_openssl/ssl/ssl_rsa.c @@ -0,0 +1,783 @@ +/* ssl/ssl_rsa.c */ +/* 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 "ssl_locl.h" +#include <openssl/bio.h> +#include <openssl/objects.h> +#include <openssl/evp.h> +#include <openssl/x509.h> +#include <openssl/pem.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) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ssl->cert)) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE,ERR_R_MALLOC_FAILURE); + return(0); + } + return(ssl_set_cert(ssl->cert,x)); + } + +#ifndef OPENSSL_NO_STDIO +int SSL_use_certificate_file(SSL *ssl, const char *file, int type) + { + int j; + BIO *in; + int ret=0; + X509 *x=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_ASN1) + { + j=ERR_R_ASN1_LIB; + x=d2i_X509_bio(in,NULL); + } + else if (type == SSL_FILETYPE_PEM) + { + j=ERR_R_PEM_LIB; + x=PEM_read_bio_X509(in,NULL,ssl->ctx->default_passwd_callback,ssl->ctx->default_passwd_callback_userdata); + } + else + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + + if (x == NULL) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE_FILE,j); + goto end; + } + + ret=SSL_use_certificate(ssl,x); +end: + if (x != NULL) X509_free(x); + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len) + { + X509 *x; + int ret; + + x=d2i_X509(NULL,&d,(long)len); + if (x == NULL) + { + SSLerr(SSL_F_SSL_USE_CERTIFICATE_ASN1,ERR_R_ASN1_LIB); + return(0); + } + + ret=SSL_use_certificate(ssl,x); + X509_free(x); + return(ret); + } + +#ifndef OPENSSL_NO_RSA +int SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa) + { + EVP_PKEY *pkey; + int ret; + + if (rsa == NULL) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ssl->cert)) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY,ERR_R_MALLOC_FAILURE); + return(0); + } + if ((pkey=EVP_PKEY_new()) == NULL) + { + SSLerr(SSL_F_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); + } +#endif + +static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey) + { + int i; + + i=ssl_cert_type(NULL,pkey); + if (i < 0) + { + SSLerr(SSL_F_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(); + +#ifndef OPENSSL_NO_RSA + /* Don't check the public/private key, this is mostly + * for smart cards. */ + if ((pkey->type == EVP_PKEY_RSA) && + (RSA_flags(pkey->pkey.rsa) & RSA_METHOD_FLAG_NO_CHECK)) + ; + else +#endif + if (!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); + CRYPTO_add(&pkey->references,1,CRYPTO_LOCK_EVP_PKEY); + c->pkeys[i].privatekey=pkey; + c->key= &(c->pkeys[i]); + + c->valid=0; + return(1); + } + +#ifndef OPENSSL_NO_RSA +#ifndef OPENSSL_NO_STDIO +int SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type) + { + int j,ret=0; + BIO *in; + RSA *rsa=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_ASN1) + { + j=ERR_R_ASN1_LIB; + rsa=d2i_RSAPrivateKey_bio(in,NULL); + } + else if (type == SSL_FILETYPE_PEM) + { + j=ERR_R_PEM_LIB; + rsa=PEM_read_bio_RSAPrivateKey(in,NULL, + ssl->ctx->default_passwd_callback,ssl->ctx->default_passwd_callback_userdata); + } + else + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + if (rsa == NULL) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_FILE,j); + goto end; + } + ret=SSL_use_RSAPrivateKey(ssl,rsa); + RSA_free(rsa); +end: + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len) + { + int ret; + const unsigned char *p; + RSA *rsa; + + p=d; + if ((rsa=d2i_RSAPrivateKey(NULL,&p,(long)len)) == NULL) + { + SSLerr(SSL_F_SSL_USE_RSAPRIVATEKEY_ASN1,ERR_R_ASN1_LIB); + return(0); + } + + ret=SSL_use_RSAPrivateKey(ssl,rsa); + RSA_free(rsa); + return(ret); + } +#endif /* !OPENSSL_NO_RSA */ + +int SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey) + { + int ret; + + if (pkey == NULL) + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ssl->cert)) + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY,ERR_R_MALLOC_FAILURE); + return(0); + } + ret=ssl_set_pkey(ssl->cert,pkey); + return(ret); + } + +#ifndef OPENSSL_NO_STDIO +int SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type) + { + int j,ret=0; + BIO *in; + EVP_PKEY *pkey=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_PEM) + { + j=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) + { + j = ERR_R_ASN1_LIB; + pkey = d2i_PrivateKey_bio(in,NULL); + } + else + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + if (pkey == NULL) + { + SSLerr(SSL_F_SSL_USE_PRIVATEKEY_FILE,j); + goto end; + } + ret=SSL_use_PrivateKey(ssl,pkey); + EVP_PKEY_free(pkey); +end: + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_use_PrivateKey_ASN1(int type, SSL *ssl, const unsigned char *d, long len) + { + int ret; + const unsigned char *p; + EVP_PKEY *pkey; + + p=d; + if ((pkey=d2i_PrivateKey(type,NULL,&p,(long)len)) == NULL) + { + SSLerr(SSL_F_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) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ctx->cert)) + { + SSLerr(SSL_F_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) + { + SSLerr(SSL_F_SSL_SET_CERT,SSL_R_X509_LIB); + return(0); + } + + i=ssl_cert_type(x,pkey); + if (i < 0) + { + SSLerr(SSL_F_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(); + +#ifndef OPENSSL_NO_RSA + /* Don't check the public/private key, this is mostly + * for smart cards. */ + if ((c->pkeys[i].privatekey->type == EVP_PKEY_RSA) && + (RSA_flags(c->pkeys[i].privatekey->pkey.rsa) & + RSA_METHOD_FLAG_NO_CHECK)) + ; + else +#endif /* OPENSSL_NO_RSA */ + if (!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); + CRYPTO_add(&x->references,1,CRYPTO_LOCK_X509); + c->pkeys[i].x509=x; + c->key= &(c->pkeys[i]); + + c->valid=0; + return(1); + } + +#ifndef OPENSSL_NO_STDIO +int SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type) + { + int j; + BIO *in; + int ret=0; + X509 *x=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_ASN1) + { + j=ERR_R_ASN1_LIB; + x=d2i_X509_bio(in,NULL); + } + else if (type == SSL_FILETYPE_PEM) + { + j=ERR_R_PEM_LIB; + x=PEM_read_bio_X509(in,NULL,ctx->default_passwd_callback,ctx->default_passwd_callback_userdata); + } + else + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + + if (x == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_FILE,j); + goto end; + } + + ret=SSL_CTX_use_certificate(ctx,x); +end: + if (x != NULL) X509_free(x); + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_CTX_use_certificate_ASN1(SSL_CTX *ctx, int len, const unsigned char *d) + { + X509 *x; + int ret; + + x=d2i_X509(NULL,&d,(long)len); + if (x == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_ASN1,ERR_R_ASN1_LIB); + return(0); + } + + ret=SSL_CTX_use_certificate(ctx,x); + X509_free(x); + return(ret); + } + +#ifndef OPENSSL_NO_RSA +int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa) + { + int ret; + EVP_PKEY *pkey; + + if (rsa == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ctx->cert)) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY,ERR_R_MALLOC_FAILURE); + return(0); + } + if ((pkey=EVP_PKEY_new()) == NULL) + { + SSLerr(SSL_F_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); + } + +#ifndef OPENSSL_NO_STDIO +int SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type) + { + int j,ret=0; + BIO *in; + RSA *rsa=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_ASN1) + { + j=ERR_R_ASN1_LIB; + rsa=d2i_RSAPrivateKey_bio(in,NULL); + } + else if (type == SSL_FILETYPE_PEM) + { + j=ERR_R_PEM_LIB; + rsa=PEM_read_bio_RSAPrivateKey(in,NULL, + ctx->default_passwd_callback,ctx->default_passwd_callback_userdata); + } + else + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + if (rsa == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_FILE,j); + goto end; + } + ret=SSL_CTX_use_RSAPrivateKey(ctx,rsa); + RSA_free(rsa); +end: + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, const unsigned char *d, long len) + { + int ret; + const unsigned char *p; + RSA *rsa; + + p=d; + if ((rsa=d2i_RSAPrivateKey(NULL,&p,(long)len)) == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_RSAPRIVATEKEY_ASN1,ERR_R_ASN1_LIB); + return(0); + } + + ret=SSL_CTX_use_RSAPrivateKey(ctx,rsa); + RSA_free(rsa); + return(ret); + } +#endif /* !OPENSSL_NO_RSA */ + +int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey) + { + if (pkey == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY,ERR_R_PASSED_NULL_PARAMETER); + return(0); + } + if (!ssl_cert_inst(&ctx->cert)) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY,ERR_R_MALLOC_FAILURE); + return(0); + } + return(ssl_set_pkey(ctx->cert,pkey)); + } + +#ifndef OPENSSL_NO_STDIO +int SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type) + { + int j,ret=0; + BIO *in; + EVP_PKEY *pkey=NULL; + + in=BIO_new(BIO_s_file_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,ERR_R_SYS_LIB); + goto end; + } + if (type == SSL_FILETYPE_PEM) + { + j=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) + { + j = ERR_R_ASN1_LIB; + pkey = d2i_PrivateKey_bio(in,NULL); + } + else + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,SSL_R_BAD_SSL_FILETYPE); + goto end; + } + if (pkey == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_FILE,j); + goto end; + } + ret=SSL_CTX_use_PrivateKey(ctx,pkey); + EVP_PKEY_free(pkey); +end: + if (in != NULL) BIO_free(in); + return(ret); + } +#endif + +int SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, const unsigned char *d, + long len) + { + int ret; + const unsigned char *p; + EVP_PKEY *pkey; + + p=d; + if ((pkey=d2i_PrivateKey(type,NULL,&p,(long)len)) == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_PRIVATEKEY_ASN1,ERR_R_ASN1_LIB); + return(0); + } + + ret=SSL_CTX_use_PrivateKey(ctx,pkey); + EVP_PKEY_free(pkey); + return(ret); + } + + +#ifndef OPENSSL_NO_STDIO +/* 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_internal()); + if (in == NULL) + { + SSLerr(SSL_F_SSL_CTX_USE_CERTIFICATE_CHAIN_FILE,ERR_R_BUF_LIB); + goto end; + } + + if (BIO_read_filename(in,file) <= 0) + { + SSLerr(SSL_F_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) + { + SSLerr(SSL_F_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; + + 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) + { + r = SSL_CTX_add_extra_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); + } +#endif |