From: Aki Tuomi <aki.tuomi@open-xchange.com>
Date: Tue, 2 Jun 2020 13:07:48 +0000 (+0300)
Subject: lib-oauth2: oauth2-jwt - Always uppercase algorithm
X-Git-Tag: 2.3.11.2~31
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=10288b7a3bbd8460b77bd324410fb9ea13e45fc3;p=thirdparty%2Fdovecot%2Fcore.git

lib-oauth2: oauth2-jwt - Always uppercase algorithm
---

diff --git a/src/lib-oauth2/oauth2-jwt.c b/src/lib-oauth2/oauth2-jwt.c
index a837297ae3..7b0aaa0482 100644
--- a/src/lib-oauth2/oauth2-jwt.c
+++ b/src/lib-oauth2/oauth2-jwt.c
@@ -263,8 +263,9 @@ oauth2_jwt_header_process(struct json_tree *tree, const char **alg_r,
 		return -1;
 	}
 
-	/* these are lost when tree is deinit */
-	*alg_r = t_strdup(algo);
+	/* These are lost when tree is deinitialized.
+	   Make sure algorithm is uppercased. */
+	*alg_r = t_str_ucase(algo);
 	*kid_r = t_strdup(kid);
 	return 0;
 }