http_ntlm_wb: Move the type-2 message processing into a dedicated function

This brings the code inline with the other HTTP authentication mechanisms.

Closes #3890

1 files changed, 4 insertions, 13 deletions

diff --git a/lib/http.c b/lib/http.c
index 222f7f53d..68259f817 100644
--- a/lib/http.c
+++ b/lib/http.c
@@ -919,19 +919,10 @@ CURLcode Curl_http_input_auth(struct connectdata *conn, bool proxy,
                 *availp |= CURLAUTH_NTLM_WB;
                 authp->avail |= CURLAUTH_NTLM_WB;
 
-                /* Get the challenge-message which will be passed to
-                 * ntlm_auth for generating the type 3 message later */
-                while(*auth && ISSPACE(*auth))
-                  auth++;
-                if(checkprefix("NTLM", auth)) {
-                  auth += strlen("NTLM");
-                  while(*auth && ISSPACE(*auth))
-                    auth++;
-                  if(*auth) {
-                    conn->challenge_header = strdup(auth);
-                    if(!conn->challenge_header)
-                      return CURLE_OUT_OF_MEMORY;
-                  }
+                result = Curl_input_ntlm_wb(conn, proxy, auth);
+                if(result) {
+                  infof(data, "Authentication problem. Ignoring this.\n");
+                  data->state.authproblem = TRUE;
                 }
               }
 #endif