1 | /* Copyright (C) 1991,92,95,96,97,98,99,2001 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 | /*
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20 | * POSIX Standard: 9.2.2 User Database Access <pwd.h>
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21 | */
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22 |
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23 | #if !defined CONFIG_USE_BB_PWD_GRP
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24 | #include <pwd.h>
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25 |
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26 | #else
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27 |
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28 | #ifndef _PWD_H
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29 | #define _PWD_H 1
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30 |
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31 | #include <sys/types.h>
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32 | #include <features.h>
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33 | #include <stdio.h>
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34 |
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35 | /* The passwd structure. */
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36 | struct passwd
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37 | {
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38 | char *pw_name; /* Username. */
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39 | char *pw_passwd; /* Password. */
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40 | uid_t pw_uid; /* User ID. */
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41 | gid_t pw_gid; /* Group ID. */
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42 | char *pw_gecos; /* Real name. */
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43 | char *pw_dir; /* Home directory. */
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44 | char *pw_shell; /* Shell program. */
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45 | };
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46 |
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47 |
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48 | /* Rewind the password-file stream. */
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49 | extern void setpwent (void);
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50 |
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51 | /* Close the password-file stream. */
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52 | extern void endpwent (void);
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53 |
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54 | /* Read an entry from the password-file stream, opening it if necessary. */
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55 | extern struct passwd *getpwent (void);
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56 |
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57 | /* Read an entry from STREAM. */
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58 | extern struct passwd *fgetpwent (FILE *__stream);
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59 |
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60 | /* Write the given entry onto the given stream. */
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61 | extern int putpwent (__const struct passwd *__restrict __p,
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62 | FILE *__restrict __f);
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63 |
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64 | /* Search for an entry with a matching user ID. */
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65 | extern struct passwd *getpwuid (uid_t __uid);
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66 |
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67 | /* Search for an entry with a matching username. */
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68 | extern struct passwd *getpwnam (__const char *__name);
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69 |
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70 | /* Reentrant versions of some of the functions above.
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71 |
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72 | PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
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73 | The interface may change in later versions of this library. But
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74 | the interface is designed following the principals used for the
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75 | other reentrant functions so the chances are good this is what the
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76 | POSIX people would choose. */
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77 |
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78 | extern int getpwent_r (struct passwd *__restrict __resultbuf,
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79 | char *__restrict __buffer, size_t __buflen,
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80 | struct passwd **__restrict __result);
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81 |
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82 | extern int getpwuid_r (uid_t __uid,
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83 | struct passwd *__restrict __resultbuf,
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84 | char *__restrict __buffer, size_t __buflen,
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85 | struct passwd **__restrict __result);
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86 |
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87 | extern int getpwnam_r (__const char *__restrict __name,
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88 | struct passwd *__restrict __resultbuf,
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89 | char *__restrict __buffer, size_t __buflen,
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90 | struct passwd **__restrict __result);
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91 |
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92 |
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93 | /* Read an entry from STREAM. This function is not standardized and
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94 | probably never will. */
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95 | extern int fgetpwent_r (FILE *__restrict __stream,
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96 | struct passwd *__restrict __resultbuf,
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97 | char *__restrict __buffer, size_t __buflen,
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98 | struct passwd **__restrict __result);
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99 |
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100 | /* Re-construct the password-file line for the given uid
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101 | in the given buffer. This knows the format that the caller
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102 | will expect, but this need not be the format of the password file. */
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103 | extern int getpw (uid_t __uid, char *__buffer);
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104 |
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105 | #endif /* pwd.h */
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106 | #endif
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