wg: setconf should remove existing psk

Signed-off-by: Jason A. Donenfeld <Jason@zx2c4.com>

diff --git a/src/config.c b/src/config.c
index ddeec1556ea072c21066bf62d9d632db1c31f98e..e6db6ad475f3d32c97d2716bd9afa8e12bade440 100644 (file)
--- a/src/config.c
+++ b/src/config.c
@@ -370,6 +370,9 @@ bool config_read_finish(struct config_ctx *ctx)
                fprintf(stderr, "No private key configured\n");
                goto err;
        }
+       if (ctx->buf.dev->flags & WGDEVICE_REPLACE_PEERS && !key_is_valid(ctx->buf.dev->preshared_key))
+               ctx->buf.dev->flags |= WGDEVICE_REMOVE_PRESHARED_KEY;
+
        for_each_wgpeer(ctx->buf.dev, peer, i) {
                if (!key_is_valid(peer->public_key)) {
                        fprintf(stderr, "A peer is missing a public key\n");