1  /*
       2   * Copyright information at end of file.
       3   */
       4  
       5  #include <sys/types.h>
       6  #include <pwd.h>
       7  #include <security/pam_modules.h>
       8  
       9  #define PAM_UNIX_RUN_HELPER PAM_CRED_INSUFFICIENT
      10  
      11  #define OLD_PASSWORDS_FILE      SCONFIGDIR "/opasswd"
      12  
      13  int
      14  is_pwd_shadowed(const struct passwd *pwd);
      15  
      16  char *
      17  crypt_md5_wrapper(const char *pass_new);
      18  
      19  int
      20  unix_selinux_confined(void);
      21  
      22  int
      23  lock_pwdf(void);
      24  
      25  void
      26  unlock_pwdf(void);
      27  
      28  #ifdef HELPER_COMPILE
      29  int
      30  save_old_password(const char *forwho, const char *oldpass,
      31  		  int howmany);
      32  #else
      33  int
      34  save_old_password(pam_handle_t *pamh, const char *forwho, const char *oldpass,
      35  		  int howmany);
      36  #endif
      37  
      38  #ifdef HELPER_COMPILE
      39  void
      40  helper_log_err(int err, const char *format,...);
      41  
      42  int
      43  helper_verify_password(const char *name, const char *p, int nullok);
      44  
      45  void
      46  setup_signals(void);
      47  
      48  char *
      49  getuidname(uid_t uid);
      50  
      51  #endif
      52  
      53  #ifdef HELPER_COMPILE
      54  #define PAMH_ARG_DECL(fname, ...)	fname(__VA_ARGS__)
      55  #define PAMH_ARG(...)			__VA_ARGS__
      56  #else
      57  #define PAMH_ARG_DECL(fname, ...)	fname(pam_handle_t *pamh, __VA_ARGS__)
      58  #define PAMH_ARG(...)			pamh, __VA_ARGS__
      59  #endif
      60  
      61  PAMH_ARG_DECL(int verify_pwd_hash,
      62  	const char *p, char *hash, unsigned int nullok);
      63  
      64  PAMH_ARG_DECL(char * create_password_hash,
      65  	const char *password, unsigned long long ctrl, int rounds);
      66  
      67  PAMH_ARG_DECL(int get_account_info,
      68  	const char *name, struct passwd **pwd, struct spwd **spwdent);
      69  
      70  PAMH_ARG_DECL(int get_pwd_hash,
      71  	const char *name, struct passwd **pwd, char **hash);
      72  
      73  PAMH_ARG_DECL(int check_shadow_expiry,
      74  	struct spwd *spent, int *daysleft);
      75  
      76  PAMH_ARG_DECL(int unix_update_passwd,
      77  	const char *forwho, const char *towhat);
      78  
      79  PAMH_ARG_DECL(int unix_update_shadow,
      80  	const char *forwho, char *towhat);
      81  
      82  /* ****************************************************************** *
      83   * Copyright (c) Red Hat, Inc. 2007.
      84   *
      85   * Redistribution and use in source and binary forms, with or without
      86   * modification, are permitted provided that the following conditions
      87   * are met:
      88   * 1. Redistributions of source code must retain the above copyright
      89   *    notice, and the entire permission notice in its entirety,
      90   *    including the disclaimer of warranties.
      91   * 2. Redistributions in binary form must reproduce the above copyright
      92   *    notice, this list of conditions and the following disclaimer in the
      93   *    documentation and/or other materials provided with the distribution.
      94   * 3. The name of the author may not be used to endorse or promote
      95   *    products derived from this software without specific prior
      96   *    written permission.
      97   *
      98   * ALTERNATIVELY, this product may be distributed under the terms of
      99   * the GNU Public License, in which case the provisions of the GPL are
     100   * required INSTEAD OF the above restrictions.  (This clause is
     101   * necessary due to a potential bad interaction between the GPL and
     102   * the restrictions contained in a BSD-style copyright.)
     103   *
     104   * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
     105   * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     106   * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     107   * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     108   * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     109   * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     110   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     111   * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     112   * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     113   * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
     114   * OF THE POSSIBILITY OF SUCH DAMAGE.
     115   */