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SASL_CLIENT_STEP(3) Cyrus SASL SASL_CLIENT_STEP(3) NAME sasl_client_step - Cyrus SASL documentation 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 int sasl_client_step(sasl_conn_t *conn, const char *serverin, unsigned serverinlen, sasl_interact_t ** prompt_need, const char ** clientout, unsigned * clientoutlen); sasl_client_step() performs a step in the authentication nego- tiation. It returns SASL_OK if the whole negotiation is suc- cessful and SASL_CONTINUE if this step is ok but at least one more step is needed. A client should not assume an authentica- tion negotiation is successful just because the server sig- naled 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). Parameters • 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 is created. It is the initial client re- sponse 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) nec essary needs to be done by the client. • clientoutlen length of clientout. RETURN VALUE SASL callback functions should return SASL return codes. See sasl.h for a complete list. SASL_CONTINUE indicates success and that there are more steps needed in the authentication. SASL_OK indicates that the au- thentication is complete. Other return codes indicate errors and should either be handled or the authentication session should be quit. SEE ALSO RFC 4422,:saslman:sasl(3), sasl_callbacks(3), sasl_client_init(3), sasl_client_new(3), sasl_client_start(3), sasl_errors(3) AUTHOR The Cyrus Team COPYRIGHT 1993-2016, The Cyrus Team 2.1.28 February 18, 2022 SASL_CLIENT_STEP(3)
NAME | SYNOPSIS | DESCRIPTION | RETURN VALUE | SEE ALSO | AUTHOR | COPYRIGHT
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