From: Stephan Bosch <stephan.bosch@open-xchange.com>
Date: Tue, 7 Mar 2023 03:25:03 +0000 (+0100)
Subject: auth: mech-digest-md5 - Use container_of()
X-Git-Tag: 2.4.2~329
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=c98174ef62552ab6729f401cb3dd15b18f000ec8;p=thirdparty%2Fdovecot%2Fcore.git

auth: mech-digest-md5 - Use container_of()
---

diff --git a/src/auth/mech-digest-md5.c b/src/auth/mech-digest-md5.c
index 6f5fe5b118..3f9862c221 100644
--- a/src/auth/mech-digest-md5.c
+++ b/src/auth/mech-digest-md5.c
@@ -530,7 +530,8 @@ credentials_callback(enum passdb_result result,
 		     struct auth_request *auth_request)
 {
 	struct digest_auth_request *request =
-		(struct digest_auth_request *)auth_request;
+		container_of(auth_request, struct digest_auth_request,
+			     auth_request);
 
 	switch (result) {
 	case PASSDB_RESULT_OK:
@@ -556,7 +557,8 @@ mech_digest_md5_auth_continue(struct auth_request *auth_request,
 			      const unsigned char *data, size_t data_size)
 {
 	struct digest_auth_request *request =
-		(struct digest_auth_request *)auth_request;
+		container_of(auth_request, struct digest_auth_request,
+			     auth_request);
 	const char *username, *error;
 
 	if (parse_digest_response(request, data, data_size, &error)) {
@@ -593,7 +595,8 @@ mech_digest_md5_auth_initial(struct auth_request *auth_request,
 			     size_t data_size ATTR_UNUSED)
 {
 	struct digest_auth_request *request =
-		(struct digest_auth_request *)auth_request;
+		container_of(auth_request, struct digest_auth_request,
+			     auth_request);
 	string_t *challenge;
 
 	/* FIXME: there's no support for subsequent authentication */