krb5_gss_export_sec_context(minor_status, context_handle, interprocess_token)
    OM_uint32           *minor_status;
    gss_ctx_id_t        *context_handle;
    gss_buffer_t        interprocess_token;
{
    krb5_context        context = NULL;
    krb5_error_code     kret;
    OM_uint32           retval;
    size_t              bufsize, blen;
    krb5_gss_ctx_id_t   ctx;
    krb5_octet          *obuffer, *obp;

    /* Assume a tragic failure */
    obuffer = (krb5_octet *) NULL;
    retval = GSS_S_FAILURE;
     *minor_status = 0;
 
     ctx = (krb5_gss_ctx_id_t) *context_handle;
    if (ctx->terminated) {
        *minor_status = KG_CTX_INCOMPLETE;
        return (GSS_S_NO_CONTEXT);
    }

     context = ctx->k5_context;
     kret = krb5_gss_ser_init(context);
     if (kret)
        goto error_out;

    /* Determine size needed for externalization of context */
    bufsize = 0;
    if ((kret = kg_ctx_size(context, (krb5_pointer) ctx,
                            &bufsize)))
        goto error_out;

    /* Allocate the buffer */
    if ((obuffer = gssalloc_malloc(bufsize)) == NULL) {
        kret = ENOMEM;
        goto error_out;
    }

    obp = obuffer;
    blen = bufsize;
    /* Externalize the context */
    if ((kret = kg_ctx_externalize(context,
                                   (krb5_pointer) ctx, &obp, &blen)))
        goto error_out;

    /* Success!  Return the buffer */
    interprocess_token->length = bufsize - blen;
    interprocess_token->value = obuffer;
    *minor_status = 0;
    retval = GSS_S_COMPLETE;

    /* Now, clean up the context state */
    (void)krb5_gss_delete_sec_context(minor_status, context_handle, NULL);
    *context_handle = GSS_C_NO_CONTEXT;

    return (GSS_S_COMPLETE);

error_out:
    if (retval != GSS_S_COMPLETE)
        if (kret != 0 && context != 0)
            save_error_info((OM_uint32)kret, context);
    if (obuffer && bufsize) {
        memset(obuffer, 0, bufsize);
        xfree(obuffer);
    }
    if (*minor_status == 0)
        *minor_status = (OM_uint32) kret;
    return(retval);
}

Unknown