text: /*
   * <security/pam_appl.h>
   *
   * This header file collects definitions for the PAM API --- that is,
   * public interface between the PAM library and an application program
   * that wishes to use it.
   *
   * Note, the copyright information is at end of file.
   */
  
  #ifndef _SECURITY_PAM_APPL_H
  #define _SECURITY_PAM_APPL_H
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #include <security/_pam_types.h> /* Linux-PAM common defined types */
  
  /* -------------- The Linux-PAM Framework layer API ------------- */
  
  extern int PAM_NONNULL((1, 3, 4))
      pam_start(const char* service_name, const char* user,
                const struct pam_conv* pam_conversation, pam_handle_t** pamh);
  
  extern int PAM_NONNULL((1)) pam_end(pam_handle_t* pamh, int pam_status);
  
  /* Authentication API's */
  
  extern int PAM_NONNULL((1)) pam_authenticate(pam_handle_t* pamh, int flags);
  
  extern int PAM_NONNULL((1)) pam_setcred(pam_handle_t* pamh, int flags);
  
  /* Account Management API's */
  
  extern int PAM_NONNULL((1)) pam_acct_mgmt(pam_handle_t* pamh, int flags);
  
  /* Session Management API's */
  
  extern int PAM_NONNULL((1)) pam_open_session(pam_handle_t* pamh, int flags);
  
  extern int PAM_NONNULL((1)) pam_close_session(pam_handle_t* pamh, int flags);
  
  /* Password Management API's */
  
  extern int PAM_NONNULL((1)) pam_chauthtok(pam_handle_t* pamh, int flags);
  
  /* take care of any compatibility issues */
  #include <security/_pam_compat.h>
  
  #ifdef __cplusplus
  }
  #endif
  
  /*
   * Copyright Theodore Ts'o, 1996.  All rights reserved.
   *
   * Redistribution and use in source and binary forms, with or without
   * modification, are permitted provided that the following conditions
   * are met:
   * 1. Redistributions of source code must retain the above copyright
   *    notice, and the entire permission notice in its entirety,
   *    including the disclaimer of warranties.
   * 2. Redistributions in binary form must reproduce the above copyright
   *    notice, this list of conditions and the following disclaimer in the
   *    documentation and/or other materials provided with the distribution.
   * 3. The name of the author may not be used to endorse or promote
   *    products derived from this software without specific prior
   *    written permission.
   *
   * ALTERNATIVELY, this product may be distributed under the terms of
   * the GNU Public License, in which case the provisions of the GPL are
   * required INSTEAD OF the above restrictions.  (This clause is
   * necessary due to a potential bad interaction between the GPL and
   * the restrictions contained in a BSD-style copyright.)
   *
   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
   * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
   * OF THE POSSIBILITY OF SUCH DAMAGE.
   */
  
  #endif /* _SECURITY_PAM_APPL_H */
  