Prepare to provide SSL_use_certificate_chain_file()

This is the same as SSL_CTX_use_certificate_chain_file() but for an
SSL object instead of an SSL_CTX object. remi found this in a recent
librelp update, so we need to provide it. The function will be exposed
in an upcoming library bump.

ok inoguchi on an earlier version, input/ok jsing

diff --git a/lib/libssl/ssl.h b/lib/libssl/ssl.h
index e7ff6ce..36c9ef0 100644 (file)
--- a/lib/libssl/ssl.h
+++ b/lib/libssl/ssl.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl.h,v 1.182 2021/02/20 08:33:17 jsing Exp $ */
+/* $OpenBSD: ssl.h,v 1.183 2021/03/19 19:51:07 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -1357,6 +1357,9 @@ int       SSL_use_certificate_ASN1(SSL *ssl, const unsigned char *d, int len);
 int    SSL_use_RSAPrivateKey_file(SSL *ssl, const char *file, int type);
 int    SSL_use_PrivateKey_file(SSL *ssl, const char *file, int type);
 int    SSL_use_certificate_file(SSL *ssl, const char *file, int type);
+#if defined(LIBRESSL_INTERNAL)
+int    SSL_use_certificate_chain_file(SSL *ssl, const char *file);
+#endif
 int    SSL_CTX_use_RSAPrivateKey_file(SSL_CTX *ctx, const char *file, int type);
 int    SSL_CTX_use_PrivateKey_file(SSL_CTX *ctx, const char *file, int type);
 int    SSL_CTX_use_certificate_file(SSL_CTX *ctx, const char *file, int type);

diff --git a/lib/libssl/ssl_rsa.c b/lib/libssl/ssl_rsa.c
index 0936c0b..18ae530 100644 (file)
--- a/lib/libssl/ssl_rsa.c
+++ b/lib/libssl/ssl_rsa.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: ssl_rsa.c,v 1.31 2019/03/25 16:46:48 jsing Exp $ */
+/* $OpenBSD: ssl_rsa.c,v 1.32 2021/03/19 19:51:07 tb Exp $ */
 /* Copyright (C) 1995-1998 Eric Young (eay@cryptsoft.com)
  * All rights reserved.
  *
@@ -68,7 +68,10 @@
 
 static int ssl_set_cert(CERT *c, X509 *x509);
 static int ssl_set_pkey(CERT *c, EVP_PKEY *pkey);
-static int ssl_ctx_use_certificate_chain_bio(SSL_CTX *, BIO *);
+static int use_certificate_chain_bio(BIO *in, CERT *cert,
+    pem_password_cb *passwd_cb, void *passwd_arg);
+static int use_certificate_chain_file(const char *file, CERT *cert,
+    pem_password_cb *passwd_cb, void *passwd_arg);
 
 int
 SSL_use_certificate(SSL *ssl, X509 *x)
@@ -609,29 +612,29 @@ SSL_CTX_use_PrivateKey_ASN1(int type, SSL_CTX *ctx, const unsigned char *d,
  * sent to the peer in the Certificate message.
  */
 static int
-ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
+use_certificate_chain_bio(BIO *in, CERT *cert, pem_password_cb *passwd_cb,
+    void *passwd_arg)
 {
        X509 *ca, *x = NULL;
        unsigned long err;
        int ret = 0;
 
-       if ((x = PEM_read_bio_X509_AUX(in, NULL, ctx->default_passwd_callback,
-           ctx->default_passwd_callback_userdata)) == NULL) {
+       if ((x = PEM_read_bio_X509_AUX(in, NULL, passwd_cb, passwd_arg)) ==
+           NULL) {
                SSLerrorx(ERR_R_PEM_LIB);
                goto err;
        }
 
-       if (!SSL_CTX_use_certificate(ctx, x))
+       if (!ssl_set_cert(cert, x))
                goto err;
 
-       if (!ssl_cert_set0_chain(ctx->internal->cert, NULL))
+       if (!ssl_cert_set0_chain(cert, NULL))
                goto err;
 
        /* Process any additional CA certificates. */
-       while ((ca = PEM_read_bio_X509(in, NULL,
-           ctx->default_passwd_callback,
-           ctx->default_passwd_callback_userdata)) != NULL) {
-               if (!ssl_cert_add0_chain_cert(ctx->internal->cert, ca)) {
+       while ((ca = PEM_read_bio_X509(in, NULL, passwd_cb, passwd_arg)) !=
+           NULL) {
+               if (!ssl_cert_add0_chain_cert(cert, ca)) {
                        X509_free(ca);
                        goto err;
                }
@@ -652,7 +655,8 @@ ssl_ctx_use_certificate_chain_bio(SSL_CTX *ctx, BIO *in)
 }
 
 int
-SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
+use_certificate_chain_file(const char *file, CERT *cert,
+    pem_password_cb *passwd_cb, void *passwd_arg)
 {
        BIO *in;
        int ret = 0;
@@ -668,13 +672,29 @@ SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
                goto end;
        }
 
-       ret = ssl_ctx_use_certificate_chain_bio(ctx, in);
+       ret = use_certificate_chain_bio(in, cert, passwd_cb, passwd_arg);
 
 end:
        BIO_free(in);
        return (ret);
 }
 
+int
+SSL_CTX_use_certificate_chain_file(SSL_CTX *ctx, const char *file)
+{
+       return use_certificate_chain_file(file, ctx->internal->cert,
+           ctx->default_passwd_callback,
+           ctx->default_passwd_callback_userdata);
+}
+
+int
+SSL_use_certificate_chain_file(SSL *ssl, const char *file)
+{
+       return use_certificate_chain_file(file, ssl->cert,
+           ssl->ctx->default_passwd_callback,
+           ssl->ctx->default_passwd_callback_userdata);
+}
+
 int
 SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len)
 {
@@ -687,7 +707,9 @@ SSL_CTX_use_certificate_chain_mem(SSL_CTX *ctx, void *buf, int len)
                goto end;
        }
 
-       ret = ssl_ctx_use_certificate_chain_bio(ctx, in);
+       ret = use_certificate_chain_bio(in, ctx->internal->cert,
+           ctx->default_passwd_callback,
+           ctx->default_passwd_callback_userdata);
 
 end:
        BIO_free(in);