From: Aki Tuomi <aki.tuomi@dovecot.fi>
Date: Tue, 6 Jun 2017 09:44:55 +0000 (+0300)
Subject: lib-oauth2: Accept empty responses
X-Git-Tag: 2.3.0.rc1~1510
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=41b272000b01df908b02294ae446c816be51280d;p=thirdparty%2Fdovecot%2Fcore.git

lib-oauth2: Accept empty responses
---

diff --git a/src/lib-oauth2/oauth2.c b/src/lib-oauth2/oauth2.c
index 83545b8e0d..a694dbf7ab 100644
--- a/src/lib-oauth2/oauth2.c
+++ b/src/lib-oauth2/oauth2.c
@@ -49,6 +49,12 @@ oauth2_parse_json(struct oauth2_request *req)
 		(void)json_parser_deinit(&req->parser, &error);
 		error = "Invalid response data";
 		success = FALSE;
+	} else if (i_stream_is_eof(req->is) &&
+		   req->is->v_offset == 0 && req->is->stream_errno == 0) {
+		/* discard error, empty response is OK. */
+		(void)json_parser_deinit(&req->parser, &error);
+		error = NULL;
+		success = TRUE;
 	} else {
 		ret = json_parser_deinit(&req->parser, &error);
 		success = (ret == 0);