From 5df63c2ddf93bab5e7f13e09dfb1f97a011b3451 Mon Sep 17 00:00:00 2001
From: Taro Yamada <archer_ame@yahoo.co.jp>
Date: Sun, 27 Jan 2019 13:50:04 +0900
Subject: [PATCH] Add a warning about the difference in permissions between
 existing directories and unit settings.

To follows the intent of 30c81ce, this change does not execute chmod() and just add warnings.

(cherry picked from commit 6cff72eb0a18d8547f005a481cd0622d3bc78483)

Related: #1778384
---
 src/core/execute.c | 17 +++++++++++++++--
 1 file changed, 15 insertions(+), 2 deletions(-)

diff --git a/src/core/execute.c b/src/core/execute.c
index 8293c522bc..9ddba00421 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -2099,8 +2099,21 @@ static int setup_exec_directory(
                         r = mkdir_label(p, context->directories[type].mode);
                         if (r < 0 && r != -EEXIST)
                                 goto fail;
-                        if (r == -EEXIST && !context->dynamic_user)
-                                continue;
+                        if (r == -EEXIST) {
+                                struct stat st;
+
+                                if (stat(p, &st) < 0) {
+                                        r = -errno;
+                                        goto fail;
+                                }
+                                if (((st.st_mode ^ context->directories[type].mode) & 07777) != 0)
+                                        log_warning("%s \'%s\' already exists but the mode is different. "
+                                                    "(filesystem: %o %sMode: %o)",
+                                                    exec_directory_type_to_string(type), *rt,
+                                                    st.st_mode & 07777, exec_directory_type_to_string(type), context->directories[type].mode & 07777);
+                                if (!context->dynamic_user)
+                                        continue;
+                        }
                 }
 
                 /* Don't change the owner of the configuration directory, as in the common case it is not written to by