lib-http: client - Don't unlock connection output before request is fully sent

This could happen at least when the payload is empty and the final LF was
buffered.

diff --git a/src/lib-http/http-client-request.c b/src/lib-http/http-client-request.c
index 5ec4a8ef688ca2384580dfddac45d77f409035fa..7e578a618684573e576e53e64aec4b2ce0ded9b0 100644 (file)
--- a/src/lib-http/http-client-request.c
+++ b/src/lib-http/http-client-request.c
@@ -1073,6 +1073,13 @@ http_client_request_finish_payload_out(struct http_client_request *req)
                o_stream_unref(&req->payload_output);
                req->payload_output = NULL;
        }
+       if (conn->conn.output != NULL &&
+           o_stream_get_buffer_used_size(conn->conn.output) > 0) {
+               e_debug(req->event,
+                       "Not quite finished sending request");
+               conn->output_locked = TRUE;
+               return 0;
+       }
 
        i_assert(req->request_offset < conn->conn.output->offset);
        req->bytes_out = conn->conn.output->offset - req->request_offset;