Common subdirectories: vdr-1.7.40.org/libsi and vdr-1.7.40/libsi
Common subdirectories: vdr-1.7.40.org/PLUGINS and vdr-1.7.40/PLUGINS
Common subdirectories: vdr-1.7.40.org/po and vdr-1.7.40/po
Common subdirectories: vdr-1.7.40.org/symbols and vdr-1.7.40/symbols
diff -U 8 -p vdr-1.7.40.org/vdr.c vdr-1.7.40/vdr.c
--- vdr-1.7.40.org/vdr.c	2013-03-13 16:59:48.315370970 +0100
+++ vdr-1.7.40/vdr.c	2013-03-13 17:02:49.027999521 +0100
@@ -104,16 +104,20 @@ static bool SetUser(const char *UserName
         return false;
         }
      if (setuid(user->pw_uid) < 0) {
         fprintf(stderr, "vdr: cannot set user id %u: %s\n", (unsigned int)user->pw_uid, strerror(errno));
         return false;
         }
      if (UserDump && prctl(PR_SET_DUMPABLE, 1, 0, 0, 0) < 0)
         fprintf(stderr, "vdr: warning - cannot set dumpable: %s\n", strerror(errno));
+     setenv("HOME", user->pw_dir, 1);
+     setenv("USER", user->pw_name, 1);
+     setenv("LOGNAME", user->pw_name, 1);
+     setenv("SHELL", user->pw_shell, 1);
      }
   return true;
 }
 
 static bool DropCaps(void)
 {
   // drop all capabilities except selected ones
   cap_t caps = cap_from_text("= cap_sys_nice,cap_sys_time,cap_net_raw=ep");