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sasl_client_start(10 July 2001) sasl_client_start(10 July 2001)
NAME
sasl_client_start - Begin an authentication negotiation
SYNOPSIS
#include <sasl/sasl.h>
int sasl_client_start(sasl_conn_t * conn,
const char * mechlist,
sasl_interact_t ** prompt_need,
const char ** clientout,
unsigned * clientoutlen,
const char ** mech);
DESCRIPTION
sasl_client_start() selects a mechanism for authentication and starts
the authentication session. The mechlist is the list of mechanisms the
client might like to use. The mechanisms in the list are not necessar-
ily supported by the client or even valid. SASL determines which of
these to use based upon the security preferences specified earlier. The
list of mechanisms is typically a list of mechanisms the server sup-
ports acquired from a capability request.
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).
mechlist is a list of mechanisms the server has available. Punctuation
if ignored.
prompt_need is filled in with a list of prompts needed to continue (if
necessary).
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.
If the protocol lacks client-send-first capability, then set clientout
to NULL.
If there is no initial client-send, then *clientout will be set to NULL
on return.
mech contains the name of the chosen SASL mechanism (on success)
RETURN VALUE
sasl_client_start 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. All other return codes indi-
cate errors and should either be handled or the authentication session
should be quit.
CONFORMING TO
RFC 2222
SEE ALSO
sasl(3), sasl_callbacks(3), sasl_errors(3), sasl_client_init(3),
sasl_client_new(3), sasl_client_step(3)
SASL man pages SASL sasl_client_start(10 July 2001)
Man(1) output converted with
man2html and wrapped by fishsponge
This page was generated on Sat Sep 8 16:37:13 GMT 2007
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