From: Lennart Poettering <lennart@poettering.net>
Date: Wed, 22 Apr 2020 19:52:22 +0000 (+0200)
Subject: core: make sure we don't get confused when setting TERM for a tty fd
X-Git-Tag: v245.6~110
X-Git-Url: http://git-history.diyao.me/?a=commitdiff_plain;h=ae5a9f27c5e5c7581d5a0aaeb32f9b8a829d0864;p=systemd%2F.git

core: make sure we don't get confused when setting TERM for a tty fd

Fixes: #15344
(cherry picked from commit e8cf09b2a2ad0d48e5493050d54251d5f512d9b6)
---

diff --git a/src/core/execute.c b/src/core/execute.c
index 2a65ee3fbb..359eb5e403 100644
--- a/src/core/execute.c
+++ b/src/core/execute.c
@@ -1820,12 +1820,13 @@ static int build_environment(
 
                 tty_path = exec_context_tty_path(c);
 
-                /* If we are forked off PID 1 and we are supposed to operate on /dev/console, then let's try to inherit
-                 * the $TERM set for PID 1. This is useful for containers so that the $TERM the container manager
-                 * passes to PID 1 ends up all the way in the console login shown. */
+                /* If we are forked off PID 1 and we are supposed to operate on /dev/console, then let's try
+                 * to inherit the $TERM set for PID 1. This is useful for containers so that the $TERM the
+                 * container manager passes to PID 1 ends up all the way in the console login shown. */
 
-                if (path_equal(tty_path, "/dev/console") && getppid() == 1)
+                if (path_equal_ptr(tty_path, "/dev/console") && getppid() == 1)
                         term = getenv("TERM");
+
                 if (!term)
                         term = default_term_for_tty(tty_path);