options: added basic SASL XOAUTH2 support

Added the ability to specify an XOAUTH2 bearer token [RFC6750] via the
option CURLOPT_XOAUTH2_BEARER for authentication using RFC6749 "OAuth
2.0 Authorization Framework".

1 files changed, 15 insertions, 0 deletions

diff --git a/lib/url.c b/lib/url.c
index 5057018c5..2f72bc146 100644
--- a/lib/url.c
+++ b/lib/url.c
@@ -1569,6 +1569,13 @@ CURLcode Curl_setopt(struct SessionHandle *data, CURLoption option,
     result = setstropt(&data->set.str[STRING_PASSWORD],
                        va_arg(param, char *));
     break;
+  case CURLOPT_XOAUTH2_BEARER:
+    /*
+     * XOAUTH2 bearer token to use in the operation
+     */
+    result = setstropt(&data->set.str[STRING_BEARER],
+                       va_arg(param, char *));
+    break;
   case CURLOPT_POSTQUOTE:
     /*
      * List of RAW FTP commands to use after a transfer
@@ -2488,6 +2495,7 @@ static void conn_free(struct connectdata *conn)
 
   Curl_safefree(conn->user);
   Curl_safefree(conn->passwd);
+  Curl_safefree(conn->xoauth2_bearer);
   Curl_safefree(conn->options);
   Curl_safefree(conn->proxyuser);
   Curl_safefree(conn->proxypasswd);
@@ -5181,6 +5189,13 @@ static CURLcode create_conn(struct SessionHandle *data,
     }
   }
 
+  if(data->set.str[STRING_BEARER]) {
+    conn->xoauth2_bearer = strdup(data->set.str[STRING_BEARER]);
+    if(!conn->xoauth2_bearer) {
+      return CURLE_OUT_OF_MEMORY;
+    }
+  }
+
 #ifndef CURL_DISABLE_PROXY
   /*************************************************************
    * Extract the user and password from the authentication string