From 3b738a16eb986bf71e64adbf54bab7c2bed90998 Mon Sep 17 00:00:00 2001
From: Steve Holme <steve_holme@hotmail.com>
Date: Sun, 26 Oct 2014 10:26:46 +0000
Subject: [PATCH] ntlm: Return CURLcode from Curl_ntlm_core_mk_lm_hash()

---
 lib/curl_ntlm_core.c | 10 ++++++----
 lib/curl_ntlm_core.h |  6 +++---
 lib/curl_ntlm_msgs.c |  6 +++++-
 3 files changed, 14 insertions(+), 8 deletions(-)

diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
index 49924f31e..68c82cad1 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -311,9 +311,9 @@ void Curl_ntlm_core_lm_resp(const unsigned char *keys,
 /*
  * Set up lanmanager hashed password
  */
-void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
-                               const char *password,
-                               unsigned char *lmbuffer /* 21 bytes */)
+CURLcode Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
+                                   const char *password,
+                                   unsigned char *lmbuffer /* 21 bytes */)
 {
   CURLcode result;
   unsigned char pw[14];
@@ -331,7 +331,7 @@ void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
    */
   result = Curl_convert_to_network(data, (char *)pw, 14);
   if(result)
-    return;
+    return result;
 
   {
     /* Create LanManager hashed password. */
@@ -371,6 +371,8 @@ void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
 
     memset(lmbuffer + 16, 0, 21 - 16);
   }
+
+  return CURLE_OK;
 }
 
 #if USE_NTRESPONSES
diff --git a/lib/curl_ntlm_core.h b/lib/curl_ntlm_core.h
index fe41cddf6..0a6dd934c 100644
--- a/lib/curl_ntlm_core.h
+++ b/lib/curl_ntlm_core.h
@@ -53,9 +53,9 @@ void Curl_ntlm_core_lm_resp(const unsigned char *keys,
                             const unsigned char *plaintext,
                             unsigned char *results);
 
-void Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
-                               const char *password,
-                               unsigned char *lmbuffer /* 21 bytes */);
+CURLcode Curl_ntlm_core_mk_lm_hash(struct SessionHandle *data,
+                                   const char *password,
+                                   unsigned char *lmbuffer /* 21 bytes */);
 
 #if USE_NTRESPONSES
 CURLcode Curl_hmac_md5(const unsigned char *key, unsigned int keylen,
diff --git a/lib/curl_ntlm_msgs.c b/lib/curl_ntlm_msgs.c
index 99df82f87..8f5ed58ee 100644
--- a/lib/curl_ntlm_msgs.c
+++ b/lib/curl_ntlm_msgs.c
@@ -830,8 +830,12 @@ CURLcode Curl_ntlm_create_type3_message(struct SessionHandle *data,
     Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], ntresp);
 #endif
 
-    Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
+    result = Curl_ntlm_core_mk_lm_hash(data, passwdp, lmbuffer);
+    if(result)
+      return result;
+
     Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
+
     /* A safer but less compatible alternative is:
      *   Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);
      * See http://davenport.sourceforge.net/ntlm.html#ntlmVersion2 */