1 | /* Copyright (C) 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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2 | This file is part of the GNU C Library.
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3 |
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4 | The GNU C Library is free software; you can redistribute it and/or
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5 | modify it under the terms of the GNU Lesser General Public
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6 | License as published by the Free Software Foundation; either
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7 | version 2.1 of the License, or (at your option) any later version.
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8 |
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9 | The GNU C Library is distributed in the hope that it will be useful,
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10 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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11 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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12 | Lesser General Public License for more details.
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13 |
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14 | You should have received a copy of the GNU Lesser General Public
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15 | License along with the GNU C Library; if not, write to the Free
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16 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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17 | 02111-1307 USA. */
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18 |
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19 | /* Declaration of types and functions for shadow password suite. */
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20 |
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21 | #if !defined CONFIG_USE_BB_SHADOW
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22 | #include <shadow.h>
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23 | #else
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24 |
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25 | #ifndef _SHADOW_H
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26 | #define _SHADOW_H 1
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27 |
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28 | #include <stdio.h>
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29 |
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30 | /* Paths to the user database files. */
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31 | #ifndef _PATH_SHADOW
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32 | #define _PATH_SHADOW "/etc/shadow"
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33 | #endif
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34 | #define SHADOW _PATH_SHADOW
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35 |
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36 |
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37 | /* Structure of the password file. */
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38 | struct spwd
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39 | {
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40 | char *sp_namp; /* Login name. */
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41 | char *sp_pwdp; /* Encrypted password. */
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42 | long int sp_lstchg; /* Date of last change. */
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43 | long int sp_min; /* Minimum number of days between changes. */
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44 | long int sp_max; /* Maximum number of days between changes. */
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45 | long int sp_warn; /* Number of days to warn user to change
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46 | the password. */
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47 | long int sp_inact; /* Number of days the account may be
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48 | inactive. */
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49 | long int sp_expire; /* Number of days since 1970-01-01 until
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50 | account expires. */
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51 | unsigned long int sp_flag; /* Reserved. */
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52 | };
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53 |
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54 |
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55 | /* Open database for reading. */
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56 | extern void setspent (void);
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57 |
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58 | /* Close database. */
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59 | extern void endspent (void);
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60 |
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61 | /* Get next entry from database, perhaps after opening the file. */
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62 | extern struct spwd *getspent (void);
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63 |
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64 | /* Get shadow entry matching NAME. */
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65 | extern struct spwd *getspnam (__const char *__name);
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66 |
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67 | /* Read shadow entry from STRING. */
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68 | extern struct spwd *sgetspent (__const char *__string);
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69 |
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70 | /* Read next shadow entry from STREAM. */
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71 | extern struct spwd *fgetspent (FILE *__stream);
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72 |
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73 | /* Write line containing shadow password entry to stream. */
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74 | extern int putspent (__const struct spwd *__p, FILE *__stream);
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75 |
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76 | /* Reentrant versions of some of the functions above. */
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77 | extern int getspent_r (struct spwd *__result_buf, char *__buffer,
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78 | size_t __buflen, struct spwd **__result);
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79 |
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80 | extern int getspnam_r (__const char *__name, struct spwd *__result_buf,
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81 | char *__buffer, size_t __buflen,
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82 | struct spwd **__result);
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83 |
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84 | extern int sgetspent_r (__const char *__string, struct spwd *__result_buf,
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85 | char *__buffer, size_t __buflen,
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86 | struct spwd **__result);
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87 |
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88 | extern int fgetspent_r (FILE *__stream, struct spwd *__result_buf,
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89 | char *__buffer, size_t __buflen,
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90 | struct spwd **__result);
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91 | /* Protect password file against multi writers. */
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92 | extern int lckpwdf (void);
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93 |
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94 | /* Unlock password file. */
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95 | extern int ulckpwdf (void);
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96 |
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97 | #endif /* shadow.h */
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98 | #endif
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