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    Command:

    sasl_client_step

    
    
    
    

    SYNOPSIS

           #include <sasl/sasl.h>
    
           int sasl_client_step(sasl_conn_t *conn,
                          const char *serverin,
                          unsigned serverinlen,
                          sasl_interact_t ** prompt_need,
                          const char ** clientout,
                          unsigned * clientoutlen);
    
    
    

    DESCRIPTION

           sasl_client_step()  performs  a step in the authentication negotiation.
           It returns SASL_OK if the whole negotiation is successful and SASL_CON-
           TINUE if this step is ok but at least one more step is needed. A client
           should not assume an  authentication  negotiation  is  successful  just
           because  the  server  signaled success via protocol (i.e. if the server
           said ". OK Authentication succeeded" in  IMAP  sasl_client_step  should
           still be called one more time with a serverinlen of zero.
    
           If SASL_INTERACT is returned the library needs some values to be filled
           in before it can proceed. The prompt_need structure will be  filled  in
           with  requests.  The application should fulfill these requests and call
           sasl_client_start again  with  identical  parameters  (the  prompt_need
           parameter  will  be  the  same  pointer  as before but filled in by the
           application).
    
           conn is the SASL connection context
    
           serverin is the data given by  the  server  (decoded  if  the  protocol
           encodes requests sent over the wire)
    
           serverinlen is the length of serverin
    
           clientout  and  clientoutlen  is  created.  It  is  the  initial client
           response to send to the server. It is the job of the client to send  it
           over  the  network to the server.  Any protocol specific encoding (such
           as base64 encoding) necessary needs to be done by the client.
    
    
    

    RETURN VALUE

           sasl_client_step returns an integer which corresponds  to  one  of  the
           following  codes.  SASL_CONTINUE  indicates  success and that there are
           more steps needed in the authentication.  SASL_OK  indicates  that  the
           authentication  is complete. All other return codes indicate errors and
           should either be handled or the authentication session should be  quit.
    
    
    

    CONFORMING TO

           RFC 2222
    
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