merges r31242 from trunk into ruby_1_9_2.

--
* ext/openssl/ossl_pkey_rsa.c (ossl_rsa_initialize):
  pop pushed error after each try of reading. fixes #4550

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31795 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

1 files changed, 9 insertions, 1 deletions

diff --git a/ext/openssl/ossl_pkey_rsa.c b/ext/openssl/ossl_pkey_rsa.c
index bfaeb43fbe..1b8a85332c 100644
--- a/ext/openssl/ossl_pkey_rsa.c
+++ b/ext/openssl/ossl_pkey_rsa.c
@@ -152,26 +152,34 @@ ossl_rsa_initialize(int argc, VALUE *argv, VALUE self)
 	rsa = PEM_read_bio_RSAPrivateKey(in, NULL, ossl_pem_passwd_cb, passwd);
 	if (!rsa) {
 	    (void)BIO_reset(in);
+	    (void)ERR_get_error();
 	    rsa = PEM_read_bio_RSAPublicKey(in, NULL, NULL, NULL);
 	}
 	if (!rsa) {
 	    (void)BIO_reset(in);
+	    (void)ERR_get_error();
 	    rsa = PEM_read_bio_RSA_PUBKEY(in, NULL, NULL, NULL);
 	}
 	if (!rsa) {
 	    (void)BIO_reset(in);
+	    (void)ERR_get_error();
 	    rsa = d2i_RSAPrivateKey_bio(in, NULL);
 	}
 	if (!rsa) {
 	    (void)BIO_reset(in);
+	    (void)ERR_get_error();
 	    rsa = d2i_RSAPublicKey_bio(in, NULL);
 	}
 	if (!rsa) {
 	    (void)BIO_reset(in);
+	    (void)ERR_get_error();
 	    rsa = d2i_RSA_PUBKEY_bio(in, NULL);
 	}
 	BIO_free(in);
-	if (!rsa) ossl_raise(eRSAError, "Neither PUB key nor PRIV key:");
+	if (!rsa) {
+	    (void)ERR_get_error();
+	    ossl_raise(eRSAError, "Neither PUB key nor PRIV key:");
+	}
     }
     if (!EVP_PKEY_assign_RSA(pkey, rsa)) {
 	RSA_free(rsa);