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-rw-r--r--sshkey.c41
1 files changed, 39 insertions, 2 deletions
diff --git a/sshkey.c b/sshkey.c
index c20e5868b..c642c2619 100644
--- a/sshkey.c
+++ b/sshkey.c
@@ -1,4 +1,4 @@
1/* $OpenBSD: sshkey.c,v 1.33 2016/05/02 09:36:42 djm Exp $ */ 1/* $OpenBSD: sshkey.c,v 1.34 2016/06/17 05:06:23 djm Exp $ */
2/* 2/*
3 * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved. 3 * Copyright (c) 2000, 2001 Markus Friedl. All rights reserved.
4 * Copyright (c) 2008 Alexander von Gernler. All rights reserved. 4 * Copyright (c) 2008 Alexander von Gernler. All rights reserved.
@@ -3786,7 +3786,44 @@ sshkey_parse_private_pem_fileblob(struct sshbuf *blob, int type,
3786 3786
3787 if ((pk = PEM_read_bio_PrivateKey(bio, NULL, NULL, 3787 if ((pk = PEM_read_bio_PrivateKey(bio, NULL, NULL,
3788 (char *)passphrase)) == NULL) { 3788 (char *)passphrase)) == NULL) {
3789 r = SSH_ERR_KEY_WRONG_PASSPHRASE; 3789 unsigned long pem_err = ERR_peek_last_error();
3790 int pem_reason = ERR_GET_REASON(pem_err);
3791
3792 /*
3793 * Translate OpenSSL error codes to determine whether
3794 * passphrase is required/incorrect.
3795 */
3796 switch (ERR_GET_LIB(pem_err)) {
3797 case ERR_LIB_PEM:
3798 switch (pem_reason) {
3799 case PEM_R_BAD_PASSWORD_READ:
3800 case PEM_R_PROBLEMS_GETTING_PASSWORD:
3801 case PEM_R_BAD_DECRYPT:
3802 r = SSH_ERR_KEY_WRONG_PASSPHRASE;
3803 goto out;
3804 default:
3805 r = SSH_ERR_INVALID_FORMAT;
3806 goto out;
3807 }
3808 case ERR_LIB_EVP:
3809 switch (pem_reason) {
3810 case EVP_R_BAD_DECRYPT:
3811 r = SSH_ERR_KEY_WRONG_PASSPHRASE;
3812 goto out;
3813 case EVP_R_BN_DECODE_ERROR:
3814 case EVP_R_DECODE_ERROR:
3815 case EVP_R_PRIVATE_KEY_DECODE_ERROR:
3816 r = SSH_ERR_INVALID_FORMAT;
3817 goto out;
3818 default:
3819 r = SSH_ERR_LIBCRYPTO_ERROR;
3820 goto out;
3821 }
3822 case ERR_LIB_ASN1:
3823 r = SSH_ERR_INVALID_FORMAT;
3824 goto out;
3825 }
3826 r = SSH_ERR_LIBCRYPTO_ERROR;
3790 goto out; 3827 goto out;
3791 } 3828 }
3792 if (pk->type == EVP_PKEY_RSA && 3829 if (pk->type == EVP_PKEY_RSA &&