jail: replace /etc/resolv.conf with symlink in extroot+overlay

[project/procd.git] / jail / jail.c

diff --git a/jail/jail.c b/jail/jail.c
index 052a78e59ccc2be40f632fe7fa1a9e399f88ccc7..87b671befb4b9a4a2b869647516b33f15a528aff 100644 (file)
--- a/jail/jail.c
+++ b/jail/jail.c
@@ -254,6 +254,8 @@ static int build_jail_fs(void)
                snprintf(jailetc, PATH_MAX, "%s/etc", jail_root);
                mkdir_p(jailetc, 0755);
                snprintf(jaillink, PATH_MAX, "%s/etc/resolv.conf", jail_root);
+               if (overlaydir)
+                       unlink(jaillink);
                symlink("../tmp/resolv.conf.d/resolv.conf.auto", jaillink);
        }