From 410f8ad9b812ff8e8c4489e71edc5c0c35bf2c01 Mon Sep 17 00:00:00 2001
From: Radkesvat <134321679+radkesvat@users.noreply.github.com>
Date: Thu, 4 Apr 2024 03:16:32 +0300
Subject: [PATCH] fixes

---
 tunnels/client/preconnect/preconnect_client.c | 15 ++++++++++-----
 1 file changed, 10 insertions(+), 5 deletions(-)

diff --git a/tunnels/client/preconnect/preconnect_client.c b/tunnels/client/preconnect/preconnect_client.c
index 8f87d24e..17d004d3 100644
--- a/tunnels/client/preconnect/preconnect_client.c
+++ b/tunnels/client/preconnect/preconnect_client.c
@@ -76,8 +76,9 @@ static inline void upStream(tunnel_t *self, context_t *c)
             case connected_pair:;
                 line_t *u_line = dcon->u;
                 (dcon->u->chains_state)[self->chain_index] = NULL;
+                context_t * fctx =  switchLine(c, u_line); // created here to prevent destruction of line
                 destroy_cstate(dcon);
-                self->up->upStream(self->up, switchLine(c, u_line));
+                self->up->upStream(self->up,fctx);
                 break;
             case notconnected:
             default:
@@ -122,10 +123,10 @@ static inline void downStream(tunnel_t *self, context_t *c)
         const unsigned int tid = c->line->tid;
         thread_box_t *this_tb = &(state->threads[tid]);
         preconnect_client_con_state_t *ucon = CSTATE(c);
-        CSTATE_MUT(c) = NULL;
 
         if (c->fin)
         {
+            CSTATE_MUT(c) = NULL;
 
             switch (ucon->mode)
             {
@@ -144,8 +145,12 @@ static inline void downStream(tunnel_t *self, context_t *c)
                 break;
 
             case notconnected:
-                atomic_fetch_add_explicit(&(state->unused_cons), -1, memory_order_relaxed);
-                remove_connection(this_tb, ucon);
+                if (ucon->prev != NULL)
+                {
+                    // fin after est
+                    atomic_fetch_add_explicit(&(state->unused_cons), -1, memory_order_relaxed);
+                    remove_connection(this_tb, ucon);
+                }
                 destroy_cstate(ucon);
                 destroyContext(c);
                 break;
@@ -246,5 +251,5 @@ tunnel_t *destroyPreConnectClient(tunnel_t *self)
 }
 tunnel_metadata_t getMetadataPreConnectClient()
 {
-    return (tunnel_metadata_t){.version = 0001, .flags = TFLAG_ROUTE_STARTER};
+    return (tunnel_metadata_t){.version = 0001, .flags = 0x0};
 }
\ No newline at end of file