avoid problems with different users having different values for XDG_RUNTIME_DIR by not using that variable for system-wide paths of UNIX domain sockets

1 files changed, 6 insertions, 1 deletions

diff --git a/src/util/util.conf b/src/util/util.conf
index 1627b068a..ef074fba0 100644
--- a/src/util/util.conf
+++ b/src/util/util.conf
@@ -26,7 +26,12 @@ GNUNET_CACHE_HOME = ${XDG_CACHE_HOME:-$GNUNET_HOME/.cache}/gnunet/
 # Runtime data (i.e UNIX domain sockets, locks, always lost on system boot)
 # This is the variable for system-wide services; use GNUNET_USER_RUNTIME_DIR
 # for per-user services (where USER_SERVICE=YES is set)
-GNUNET_RUNTIME_DIR = ${XDG_RUNTIME_DIR:-${TMPDIR:-${TMP:-/tmp}}}/gnunet-system-runtime/
+# Note that the 'gnunet'/system user must have $TMPDIR/$TMP set to
+# exactly the same values as 'normal' users, otherwise this will fail.
+# If $TMPDIR or $TMP are set to different directories for different
+# users, this option should be changed to point to the same directory
+# for all users (i.e. by simply using "/tmp/gnunet-system-runtime/").
+GNUNET_RUNTIME_DIR = ${TMPDIR:-${TMP:-/tmp}}/gnunet-system-runtime/
 
 # Runtime data for per-user services
 GNUNET_USER_RUNTIME_DIR = ${XDG_RUNTIME_DIR:-${TMPDIR:-${TMP:-/tmp}}}/gnunet-${USERHOME:-${USER:-user}}-runtime/