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Diffstat (limited to 'libs/libcurl/src/vauth/ntlm.c')
-rw-r--r--libs/libcurl/src/vauth/ntlm.c38
1 files changed, 20 insertions, 18 deletions
diff --git a/libs/libcurl/src/vauth/ntlm.c b/libs/libcurl/src/vauth/ntlm.c
index a3117f3fee..4adf49704f 100644
--- a/libs/libcurl/src/vauth/ntlm.c
+++ b/libs/libcurl/src/vauth/ntlm.c
@@ -5,7 +5,7 @@
* | (__| |_| | _ <| |___
* \___|\___/|_| \_\_____|
*
- * Copyright (C) 1998 - 2020, Daniel Stenberg, <daniel@haxx.se>, et al.
+ * Copyright (C) 1998 - 2021, Daniel Stenberg, <daniel@haxx.se>, et al.
*
* This software is licensed as described in the file COPYING, which
* you should have received as part of this distribution. The terms
@@ -64,10 +64,6 @@
/* "NTLMSSP" signature is always in ASCII regardless of the platform */
#define NTLMSSP_SIGNATURE "\x4e\x54\x4c\x4d\x53\x53\x50"
-#define SHORTPAIR(x) ((int)((x) & 0xff)), ((int)(((x) >> 8) & 0xff))
-#define LONGQUARTET(x) ((int)((x) & 0xff)), ((int)(((x) >> 8) & 0xff)), \
- ((int)(((x) >> 16) & 0xff)), ((int)(((x) >> 24) & 0xff))
-
#if DEBUG_ME
# define DEBUG_OUT(x) x
static void ntlm_print_flags(FILE *handle, unsigned long flags)
@@ -407,7 +403,8 @@ CURLcode Curl_auth_create_ntlm_type1_message(struct Curl_easy *data,
/* Clean up any former leftovers and initialise to defaults */
Curl_auth_cleanup_ntlm(ntlm);
-#if defined(USE_NTRESPONSES) && defined(USE_NTLM2SESSION)
+#if defined(USE_NTRESPONSES) && \
+ (defined(USE_NTLM2SESSION) || defined(USE_NTLM_V2))
#define NTLM2FLAG NTLMFLAG_NEGOTIATE_NTLM2_KEY
#else
#define NTLM2FLAG 0
@@ -563,12 +560,20 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
hostlen = strlen(host);
}
-#if defined(USE_NTRESPONSES) && defined(USE_NTLM_V2)
+#if defined(USE_NTRESPONSES) && \
+ (defined(USE_NTLM2SESSION) || defined(USE_NTLM_V2))
+ /* We don't support NTLM2 or extended security if we don't have
+ USE_NTRESPONSES */
if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM2_KEY) {
+# if defined(USE_NTLM_V2)
unsigned char ntbuffer[0x18];
unsigned char entropy[8];
unsigned char ntlmv2hash[0x18];
+ /* Full NTLM version 2
+ Although this cannot be negotiated, it is used here if available, as
+ servers featuring extended security are likely supporting also
+ NTLMv2. */
result = Curl_rand(data, entropy, 8);
if(result)
return result;
@@ -595,21 +600,14 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
return result;
ptr_ntresp = ntlmv2resp;
- }
- else
-#endif
-
-#if defined(USE_NTRESPONSES) && defined(USE_NTLM2SESSION)
-
-#define CURL_MD5_DIGEST_LENGTH 16 /* fixed size */
-
- /* We don't support NTLM2 if we don't have USE_NTRESPONSES */
- if(ntlm->flags & NTLMFLAG_NEGOTIATE_NTLM_KEY) {
+# else /* defined(USE_NTLM_V2) */
unsigned char ntbuffer[0x18];
unsigned char tmp[0x18];
- unsigned char md5sum[CURL_MD5_DIGEST_LENGTH];
+ unsigned char md5sum[MD5_DIGEST_LEN];
unsigned char entropy[8];
+ /* NTLM version 1 with extended security. */
+
/* Need to create 8 bytes random data */
result = Curl_rand(data, entropy, 8);
if(result)
@@ -639,6 +637,7 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
/* NTLM v2 session security is a misnomer because it is not NTLM v2.
It is NTLM v1 using the extended session security that is also
in NTLM v2 */
+# endif /* defined(USE_NTLM_V2) */
}
else
#endif
@@ -649,6 +648,8 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
#endif
unsigned char lmbuffer[0x18];
+ /* NTLM version 1 */
+
#ifdef USE_NTRESPONSES
result = Curl_ntlm_core_mk_nt_hash(data, passwdp, ntbuffer);
if(result)
@@ -662,6 +663,7 @@ CURLcode Curl_auth_create_ntlm_type3_message(struct Curl_easy *data,
return result;
Curl_ntlm_core_lm_resp(lmbuffer, &ntlm->nonce[0], lmresp);
+ ntlm->flags &= ~NTLMFLAG_NEGOTIATE_NTLM2_KEY;
/* A safer but less compatible alternative is:
* Curl_ntlm_core_lm_resp(ntbuffer, &ntlm->nonce[0], lmresp);