ntlm: Moved the SSPI based Type-1 message generation into the SASL module

lib/curl_ntlm_msgs.c

@@ -392,98 +392,6 @@ CURLcode Curl_ntlm_create_type1_message(const char *userp,
 
   size_t size;
 
-#ifdef USE_WINDOWS_SSPI
-
-  PSecPkgInfo SecurityPackage;
-  SecBuffer type_1_buf;
-  SecBufferDesc type_1_desc;
-  SECURITY_STATUS status;
-  unsigned long attrs;
-  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
-
-  /* Clean up any former leftovers and initialise to defaults */
-  Curl_sasl_ntlm_cleanup(ntlm);
-
-  /* Query the security package for NTLM */
-  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_NTLM),
-                                              &SecurityPackage);
-  if(status != SEC_E_OK)
-    return CURLE_NOT_BUILT_IN;
-
-  ntlm->token_max = SecurityPackage->cbMaxToken;
-
-  /* Release the package buffer as it is not required anymore */
-  s_pSecFn->FreeContextBuffer(SecurityPackage);
-
-  /* Allocate our output buffer */
-  ntlm->output_token = malloc(ntlm->token_max);
-  if(!ntlm->output_token)
-    return CURLE_OUT_OF_MEMORY;
-
-  if(userp && *userp) {
-    CURLcode result;
-
-    /* Populate our identity structure */
-    result = Curl_create_sspi_identity(userp, passwdp, &ntlm->identity);
-    if(result)
-      return result;
-
-    /* Allow proper cleanup of the identity structure */
-    ntlm->p_identity = &ntlm->identity;
-  }
-  else
-    /* Use the current Windows user */
-    ntlm->p_identity = NULL;
-
-  /* Allocate our credentials handle */
-  ntlm->credentials = malloc(sizeof(CredHandle));
-  if(!ntlm->credentials)
-    return CURLE_OUT_OF_MEMORY;
-
-  memset(ntlm->credentials, 0, sizeof(CredHandle));
-
-  /* Acquire our credentials handle */
-  status = s_pSecFn->AcquireCredentialsHandle(NULL,
-                                              (TCHAR *) TEXT(SP_NAME_NTLM),
-                                              SECPKG_CRED_OUTBOUND, NULL,
-                                              ntlm->p_identity, NULL, NULL,
-                                              ntlm->credentials, &expiry);
-  if(status != SEC_E_OK)
-    return CURLE_LOGIN_DENIED;
-
-  /* Allocate our new context handle */
-  ntlm->context = malloc(sizeof(CtxtHandle));
-  if(!ntlm->context)
-    return CURLE_OUT_OF_MEMORY;
-
-  memset(ntlm->context, 0, sizeof(CtxtHandle));
-
-  /* Setup the type-1 "output" security buffer */
-  type_1_desc.ulVersion = SECBUFFER_VERSION;
-  type_1_desc.cBuffers  = 1;
-  type_1_desc.pBuffers  = &type_1_buf;
-  type_1_buf.BufferType = SECBUFFER_TOKEN;
-  type_1_buf.pvBuffer   = ntlm->output_token;
-  type_1_buf.cbBuffer   = curlx_uztoul(ntlm->token_max);
-
-  /* Generate our type-1 message */
-  status = s_pSecFn->InitializeSecurityContext(ntlm->credentials, NULL,
-                                               (TCHAR *) TEXT(""),
-                                               0, 0, SECURITY_NETWORK_DREP,
-                                               NULL, 0,
-                                               ntlm->context, &type_1_desc,
-                                               &attrs, &expiry);
-
-  if(status == SEC_I_COMPLETE_NEEDED ||
-     status == SEC_I_COMPLETE_AND_CONTINUE)
-    s_pSecFn->CompleteAuthToken(ntlm->context, &type_1_desc);
-  else if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED)
-    return CURLE_RECV_ERROR;
-
-  size = type_1_buf.cbBuffer;
-
-#else
-
   unsigned char ntlmbuf[NTLM_BUFSIZE];
   const char *host = "";              /* empty */
   const char *domain = "";            /* empty */
@@ -539,8 +447,6 @@ CURLcode Curl_ntlm_create_type1_message(const char *userp,
   /* Initial packet length */
   size = 32 + hostlen + domlen;
 
-#endif
-
   DEBUG_OUT({
     fprintf(stderr, "* TYPE1 header flags=0x%02.2x%02.2x%02.2x%02.2x "
             "0x%08.8x ",
@@ -564,12 +470,7 @@ CURLcode Curl_ntlm_create_type1_message(const char *userp,
   });
 
   /* Return with binary blob encoded into base64 */
-#ifdef USE_WINDOWS_SSPI
-  return Curl_base64_encode(NULL, (char *)ntlm->output_token, size,
-                            outptr, outlen);
-#else
   return Curl_base64_encode(NULL, (char *)ntlmbuf, size, outptr, outlen);
-#endif
 }
 
 /*

lib/curl_sasl_sspi.c

@@ -509,7 +509,94 @@ CURLcode Curl_sasl_create_ntlm_type1_message(const char *userp,
                                              struct ntlmdata *ntlm,
                                              char **outptr, size_t *outlen)
 {
-  return Curl_ntlm_create_type1_message(userp, passwdp, ntlm, outptr, outlen);
+  PSecPkgInfo SecurityPackage;
+  SecBuffer type_1_buf;
+  SecBufferDesc type_1_desc;
+  SECURITY_STATUS status;
+  unsigned long attrs;
+  TimeStamp expiry; /* For Windows 9x compatibility of SSPI calls */
+
+  /* Clean up any former leftovers and initialise to defaults */
+  Curl_sasl_ntlm_cleanup(ntlm);
+
+  /* Query the security package for NTLM */
+  status = s_pSecFn->QuerySecurityPackageInfo((TCHAR *) TEXT(SP_NAME_NTLM),
+                                              &SecurityPackage);
+  if(status != SEC_E_OK)
+    return CURLE_NOT_BUILT_IN;
+
+  ntlm->token_max = SecurityPackage->cbMaxToken;
+
+  /* Release the package buffer as it is not required anymore */
+  s_pSecFn->FreeContextBuffer(SecurityPackage);
+
+  /* Allocate our output buffer */
+  ntlm->output_token = malloc(ntlm->token_max);
+  if(!ntlm->output_token)
+    return CURLE_OUT_OF_MEMORY;
+
+  if(userp && *userp) {
+    CURLcode result;
+
+    /* Populate our identity structure */
+    result = Curl_create_sspi_identity(userp, passwdp, &ntlm->identity);
+    if(result)
+      return result;
+
+    /* Allow proper cleanup of the identity structure */
+    ntlm->p_identity = &ntlm->identity;
+  }
+  else
+    /* Use the current Windows user */
+    ntlm->p_identity = NULL;
+
+  /* Allocate our credentials handle */
+  ntlm->credentials = malloc(sizeof(CredHandle));
+  if(!ntlm->credentials)
+    return CURLE_OUT_OF_MEMORY;
+
+  memset(ntlm->credentials, 0, sizeof(CredHandle));
+
+  /* Acquire our credentials handle */
+  status = s_pSecFn->AcquireCredentialsHandle(NULL,
+                                              (TCHAR *) TEXT(SP_NAME_NTLM),
+                                              SECPKG_CRED_OUTBOUND, NULL,
+                                              ntlm->p_identity, NULL, NULL,
+                                              ntlm->credentials, &expiry);
+  if(status != SEC_E_OK)
+    return CURLE_LOGIN_DENIED;
+
+  /* Allocate our new context handle */
+  ntlm->context = malloc(sizeof(CtxtHandle));
+  if(!ntlm->context)
+    return CURLE_OUT_OF_MEMORY;
+
+  memset(ntlm->context, 0, sizeof(CtxtHandle));
+
+  /* Setup the type-1 "output" security buffer */
+  type_1_desc.ulVersion = SECBUFFER_VERSION;
+  type_1_desc.cBuffers  = 1;
+  type_1_desc.pBuffers  = &type_1_buf;
+  type_1_buf.BufferType = SECBUFFER_TOKEN;
+  type_1_buf.pvBuffer   = ntlm->output_token;
+  type_1_buf.cbBuffer   = curlx_uztoul(ntlm->token_max);
+
+  /* Generate our type-1 message */
+  status = s_pSecFn->InitializeSecurityContext(ntlm->credentials, NULL,
+                                               (TCHAR *) TEXT(""),
+                                               0, 0, SECURITY_NETWORK_DREP,
+                                               NULL, 0,
+                                               ntlm->context, &type_1_desc,
+                                               &attrs, &expiry);
+  if(status == SEC_I_COMPLETE_NEEDED ||
+    status == SEC_I_COMPLETE_AND_CONTINUE)
+    s_pSecFn->CompleteAuthToken(ntlm->context, &type_1_desc);
+  else if(status != SEC_E_OK && status != SEC_I_CONTINUE_NEEDED)
+    return CURLE_RECV_ERROR;
+
+  /* Base64 encode the response */
+  return Curl_base64_encode(NULL, (char *) ntlm->output_token,
+                            type_1_buf.cbBuffer, outptr, outlen);
 }
 
 /*