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sasl_server_start(10 July 2001) 				  sasl_server_start(10 July 2001)

NAME
       sasl_server_start - Begin an authentication negotiation

SYNOPSIS
       #include <sasl/sasl.h>

       int sasl_server_start(sasl_conn_t * conn,
			    const char * mech,
			    const char * clientin,
			    unsigned * clientinlen,
			    const char ** serverout,
			    unsigned * serveroutlen);

DESCRIPTION
       sasl_server_start() begins the authentication with the mechanism specified with mech. This
       fails if the mechanism is not supported. SASL_OK is returned if the authentication is com-
       plete  and  the	user is authenticated. SASL_CONTINUE is returned if one or more steps are
       still required in the authentication. All other return values indicate failure.

       conn is the SASL context for this connection

       mech is the mechanism name that the client requested

       clientin is the client initial response, NULL if the protocol lacks  support  for  client-
       send-first  or if the other end did not have an initial send.  Note that no initial client
       send is distinct from an initial send of a null string, and the protocol MUST account  for
       this difference.

       clientinlen is the length of initial response

       serverout  is  created by the plugin library. It is the initial server response to send to
       the client. This is allocated/freed by the library and it is the job of the client to send
       it  over the network to the server. Also protocal specific encoding (such as base64 encod-
       ing) must needs to be done by the server.

       serveroutlen is set to the length of initial server challenge

RETURN VALUE
       sasl_server_start returns an integer which corresponds to  one  of  the	SASL  errorcodes.
       SASL_OK	indicates  that authentication is completed successfully. SASL_CONTINUE indicates
       sucess and that there are more steps needed in the authentication. All other return  codes
       indicate errors and should either be handled or the authentication session should be quit.

CONFORMING TO
       RFC 2222

SEE ALSO
       sasl(3), sasl_errors(3), sasl_server_init(3), sasl_server_new(3), sasl_server_step(3)

SASL man pages				       SASL		  sasl_server_start(10 July 2001)
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