[GNUnet-SVN] [gnurl] 105/219: ntlm: Support the NT response in the type-3 when OpenSSL doesn't include MD4

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ng0 pushed a commit to branch master
in repository gnurl.

commit cd15acd0ecc19401af0002fb8128b53bdc99bb68
Author: Steve Holme <address@hidden>
AuthorDate: Sat Apr 13 21:47:56 2019 +0100

    ntlm: Support the NT response in the type-3 when OpenSSL doesn't include MD4
    
    Just like we do for mbed TLS, use our local implementation of MD4 when
    OpenSSL doesn't support it. This allows a type-3 message to include the
    NT response.
---
 lib/curl_md4.h       | 4 +++-
 lib/curl_ntlm_core.c | 6 ++++++
 lib/curl_ntlm_core.h | 4 +---
 lib/md4.c            | 8 ++++++--
 4 files changed, 16 insertions(+), 6 deletions(-)

diff --git a/lib/curl_md4.h b/lib/curl_md4.h
index e0690416d..dafbbed29 100644
--- a/lib/curl_md4.h
+++ b/lib/curl_md4.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2014, Daniel Stenberg, <address@hidden>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <address@hidden>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -25,11 +25,13 @@
 #include "curl_setup.h"
 
 #if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
 
 void Curl_md4it(unsigned char *output, const unsigned char *input, size_t len);
 
 #endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) ||
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */
 
 #endif /* HEADER_CURL_MD4_H */
diff --git a/lib/curl_ntlm_core.c b/lib/curl_ntlm_core.c
index e7060eb29..b6df38f71 100644
--- a/lib/curl_ntlm_core.c
+++ b/lib/curl_ntlm_core.c
@@ -57,6 +57,8 @@
 #  include <openssl/des.h>
 #  ifndef OPENSSL_NO_MD4
 #    include <openssl/md4.h>
+#  else
+#    include "curl_md4.h"
 #  endif
 #  include <openssl/md5.h>
 #  include <openssl/ssl.h>
@@ -568,10 +570,14 @@ CURLcode Curl_ntlm_core_mk_nt_hash(struct Curl_easy *data,
   {
     /* Create NT hashed password. */
 #ifdef USE_OPENSSL
+#if !defined(OPENSSL_NO_MD4)
     MD4_CTX MD4pw;
     MD4_Init(&MD4pw);
     MD4_Update(&MD4pw, pw, 2 * len);
     MD4_Final(ntbuffer, &MD4pw);
+#else
+    Curl_md4it(ntbuffer, pw, 2 * len);
+#endif
 #elif defined(USE_GNUTLS_NETTLE)
     struct md4_ctx MD4pw;
     md4_init(&MD4pw);
diff --git a/lib/curl_ntlm_core.h b/lib/curl_ntlm_core.h
index 07ef5deae..3b4b8053c 100644
--- a/lib/curl_ntlm_core.h
+++ b/lib/curl_ntlm_core.h
@@ -7,7 +7,7 @@
  *                            | (__| |_| |  _ <| |___
  *                             \___|\___/|_| \_\_____|
  *
- * Copyright (C) 1998 - 2015, Daniel Stenberg, <address@hidden>, et al.
+ * Copyright (C) 1998 - 2019, Daniel Stenberg, <address@hidden>, et al.
  *
  * This software is licensed as described in the file COPYING, which
  * you should have received as part of this distribution. The terms
@@ -43,9 +43,7 @@
 
 /* Define USE_NTRESPONSES in order to make the type-3 message include
  * the NT response message. */
-#if !defined(USE_OPENSSL) || !defined(OPENSSL_NO_MD4)
 #define USE_NTRESPONSES
-#endif
 
 /* Define USE_NTLM2SESSION in order to make the type-3 message include the
    NTLM2Session response message, requires USE_NTRESPONSES defined to 1 and a
diff --git a/lib/md4.c b/lib/md4.c
index dc9228689..9dfaabc22 100644
--- a/lib/md4.c
+++ b/lib/md4.c
@@ -38,9 +38,11 @@
 
 #include "curl_setup.h"
 
-/* The NSS, OS/400 and sometimes mbed TLS crypto libraries do not provide the
- * MD4 hash algorithm, so we have a local implementation of it */
+/* The NSS, OS/400, and when not included, OpenSSL and mbed TLS crypto
+ * libraries do not provide the MD4 hash algorithm, so we use this
+ * implementation of it */
 #if defined(USE_NSS) || defined(USE_OS400CRYPTO) || \
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) || \
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C))
 
 #include "curl_md4.h"
@@ -304,5 +306,7 @@ void Curl_md4it(unsigned char *output, const unsigned char 
*input, size_t len)
   MD4_Update(&ctx, input, curlx_uztoui(len));
   MD4_Final(output, &ctx);
 }
+
 #endif /* defined(USE_NSS) || defined(USE_OS400CRYPTO) ||
+    (defined(USE_OPENSSL) && defined(OPENSSL_NO_MD4)) ||
     (defined(USE_MBEDTLS) && !defined(MBEDTLS_MD4_C)) */

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