From: Sergey Kitov <sergey.kitov@open-xchange.com>
Date: Fri, 1 Mar 2019 08:57:22 +0000 (+0200)
Subject: auth: Fix for processing oauth2 responses with 4xx HTTP status.
X-Git-Tag: 2.3.6~43
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=d0b9cf0d2a882f369376758ef911f893f89db6fb;p=thirdparty%2Fdovecot%2Fcore.git

auth: Fix for processing oauth2 responses with 4xx HTTP status.
---

diff --git a/src/auth/db-oauth2.c b/src/auth/db-oauth2.c
index 6a5349ffe0..10c9fc3607 100644
--- a/src/auth/db-oauth2.c
+++ b/src/auth/db-oauth2.c
@@ -600,13 +600,20 @@ db_oauth2_lookup_passwd_grant(struct oauth2_passwd_grant_result *result,
 {
 	enum passdb_result passdb_result;
 	const char *error;
+	const struct oauth2_field *f;
 
 	req->req = NULL;
 
 	if (!result->valid) {
 		passdb_result = PASSDB_RESULT_INTERNAL_FAILURE;
 		if (result->success) {
-			error = auth_fields_find(req->fields, "error");
+			error = NULL;
+			array_foreach(result->fields, f) {
+				if (strcmp(f->name, "error") == 0) {
+					error = f->value;
+					break;
+				}
+			}
 			if (error != NULL &&
 			    strcmp("invalid_grant", error) == 0) {
 				passdb_result = PASSDB_RESULT_PASSWORD_MISMATCH;