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NAME

       gsasl_callback - API function

SYNOPSIS

       #include <gsasl.h>

       int  gsasl_callback(Gsasl  *  ctx, Gsasl_session * sctx, Gsasl_property
       prop);

ARGUMENTS

       Gsasl * ctx handle received from gsasl_init(), may be NULL to derive it
                   from sctx.

       Gsasl_session * sctx
                   session handle.

       Gsasl_property prop
                   enumerated value of Gsasl_property type.

DESCRIPTION

       Invoke  the  application  callback.   The  prop value indicate what the
       callback is expected to do.  For  example,  for  GSASL_ANONYMOUS_TOKEN,
       the   function   is   expected   to   invoke   gsasl_property_set(SCTX,
       GSASL_ANONYMOUS_TOKEN, "token") where "token" is  the  anonymous  token
       the  application  wishes the SASL mechanism to use.  See the manual for
       the meaning of all parameters.

       Note that if no callback has been  set  by  the  application,  but  the
       obsolete callback interface has been used, this function will translate
       the old callback interface into the  new.   This  interface  should  be
       sufficient to invoke all callbacks, both new and old.

RETURN VALUE

       Returns  whatever the application callback return, or GSASL_NO_CALLBACK
       if no application was known.

SINCE

       0.2.0

REPORTING BUGS

       Report   bugs   to   <bug-gsasl@gnu.org>.    GNU   SASL   home    page:
       http://www.gnu.org/software/gsasl/  General  help  using  GNU software:
       http://www.gnu.org/gethelp/

COPYRIGHT

       Copyright © 2002, 2003,  2004,  2005,  2006,  2007,  2008,  2009  Simon
       Josefsson.
       Copying  and  distribution  of this file, with or without modification,
       are permitted in any medium  without  royalty  provided  the  copyright
       notice and this notice are preserved.

SEE ALSO

       The full documentation for gsasl is maintained as a Texinfo manual.  If
       the info and gsasl programs are properly installed at  your  site,  the
       command

              info gsasl

       should give you access to the complete manual.