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-rw-r--r--lib/ssh/test/ssh_test_lib.erl17
1 files changed, 17 insertions, 0 deletions
diff --git a/lib/ssh/test/ssh_test_lib.erl b/lib/ssh/test/ssh_test_lib.erl
index 6c8fd95b2e..7cd364a6dc 100644
--- a/lib/ssh/test/ssh_test_lib.erl
+++ b/lib/ssh/test/ssh_test_lib.erl
@@ -797,3 +797,20 @@ busy_wait(Nus, T0) ->
end.
%%%----------------------------------------------------------------
+%% get_kex_init - helper function to get key_exchange_init_msg
+
+get_kex_init(Conn) ->
+ %% First, validate the key exchange is complete (StateName == connected)
+ {{connected,_},S} = sys:get_state(Conn),
+ %% Next, walk through the elements of the #state record looking
+ %% for the #ssh_msg_kexinit record. This method is robust against
+ %% changes to either record. The KEXINIT message contains a cookie
+ %% unique to each invocation of the key exchange procedure (RFC4253)
+ SL = tuple_to_list(S),
+ case lists:keyfind(ssh_msg_kexinit, 1, SL) of
+ false ->
+ throw(not_found);
+ KexInit ->
+ KexInit
+ end.
+