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-rw-r--r--source3/passdb/pdb_get_set.c15
1 files changed, 10 insertions, 5 deletions
diff --git a/source3/passdb/pdb_get_set.c b/source3/passdb/pdb_get_set.c
index 005cf46a62..7fc9f92b2c 100644
--- a/source3/passdb/pdb_get_set.c
+++ b/source3/passdb/pdb_get_set.c
@@ -1070,15 +1070,20 @@ bool pdb_set_plaintext_passwd(struct samu *sampass, const char *plaintext)
}
/*
- * Create the new salt as the first part of the history entry.
+ * Fill the salt area with 0-s: this indicates that
+ * a plain nt hash is stored in the has area.
+ * The old format was to store a 16 byte salt and
+ * then an md5hash of the nt_hash concatenated with
+ * the salt.
*/
- generate_random_buffer(pwhistory, PW_HISTORY_SALT_LEN);
+ memset(pwhistory, 0, PW_HISTORY_SALT_LEN);
/*
- * Generate the md5 hash of the salt+new password as the
- * second part of the history entry.
+ * Store the plain nt hash in the second 16 bytes.
+ * The old format was to store the md5 hash of
+ * the salt+newpw.
*/
- E_md5hash(pwhistory, new_nt_p16, &pwhistory[PW_HISTORY_SALT_LEN]);
+ memcpy(&pwhistory[PW_HISTORY_SALT_LEN], new_nt_p16, SALTED_MD5_HASH_LEN);
pdb_set_pw_history(sampass, pwhistory, pwHistLen, PDB_CHANGED);