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sasl_server_start(3)





sasl_server_start(10 July 2001MISC. REFERENCE MANUAL PAGEsasl_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  complete 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  proto-
     col  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  ini-
     tial  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 pro-
     tocol specific encoding (such as base64 encoding) must needs
     to be done by the server.

     serveroutlen is set to the length of  initial  server  chal-
     lenge


RETURN VALUE

     sasl_server_start returns an integer  which  corresponds  to
     one of the SASL errorcodes. SASL_OK indicates that authenti-
     cation is completed  successfully.  SASL_CONTINUE  indicates
     success  and  that  there  are  more  steps  needed  in  the

SASL man pages          Last change: SASL                       1


sasl_server_start(10 July 2001MISC. REFERENCE MANUAL PAGEsasl_server_start(10 July 2001)


     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          Last change: SASL                       2


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