1 | /* vi: set sw=4 ts=4: */
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2 | /* Copyright (C) 1991,92,95,96,97,98,99,2001 Free Software Foundation, Inc.
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3 | This file is part of the GNU C Library.
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4 |
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5 | The GNU C Library is free software; you can redistribute it and/or
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6 | modify it under the terms of the GNU Lesser General Public
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7 | License as published by the Free Software Foundation; either
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8 | version 2.1 of the License, or (at your option) any later version.
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9 |
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10 | The GNU C Library is distributed in the hope that it will be useful,
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11 | but WITHOUT ANY WARRANTY; without even the implied warranty of
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12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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13 | Lesser General Public License for more details.
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14 |
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15 | You should have received a copy of the GNU Lesser General Public
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16 | License along with the GNU C Library; if not, write to the Free
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17 | Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
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18 | 02111-1307 USA. */
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19 |
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20 | /*
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21 | * POSIX Standard: 9.2.2 User Database Access <pwd.h>
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22 | */
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23 |
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24 | #if !ENABLE_USE_BB_PWD_GRP
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25 |
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26 | #include <pwd.h>
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27 |
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28 | #else
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29 |
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30 | #ifndef _PWD_H
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31 | #define _PWD_H 1
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32 |
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33 | /* The passwd structure. */
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34 | struct passwd {
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35 | char *pw_name; /* Username. */
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36 | char *pw_passwd; /* Password. */
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37 | uid_t pw_uid; /* User ID. */
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38 | gid_t pw_gid; /* Group ID. */
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39 | char *pw_gecos; /* Real name. */
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40 | char *pw_dir; /* Home directory. */
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41 | char *pw_shell; /* Shell program. */
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42 | };
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43 |
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44 |
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45 | #define setpwent bb_internal_setpwent
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46 | #define endpwent bb_internal_endpwent
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47 | #define getpwent bb_internal_getpwent
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48 | #define fgetpwent bb_internal_fgetpwent
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49 | #define putpwent bb_internal_putpwent
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50 | #define getpwuid bb_internal_getpwuid
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51 | #define getpwnam bb_internal_getpwnam
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52 | #define getpwent_r bb_internal_getpwent_r
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53 | #define getpwuid_r bb_internal_getpwuid_r
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54 | #define getpwnam_r bb_internal_getpwnam_r
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55 | #define fgetpwent_r bb_internal_fgetpwent_r
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56 | #define getpw bb_internal_getpw
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57 |
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58 |
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59 | /* All function names below should be remapped by #defines above
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60 | * in order to not collide with libc names.
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61 | * In theory it isn't necessary, but I saw weird interactions at link time.
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62 | * Let's play safe */
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63 |
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64 |
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65 | /* Rewind the password-file stream. */
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66 | extern void setpwent(void);
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67 |
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68 | /* Close the password-file stream. */
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69 | extern void endpwent(void);
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70 |
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71 | /* Read an entry from the password-file stream, opening it if necessary. */
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72 | extern struct passwd *getpwent(void);
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73 |
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74 | /* Read an entry from STREAM. */
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75 | extern struct passwd *fgetpwent(FILE *__stream);
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76 |
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77 | /* Write the given entry onto the given stream. */
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78 | extern int putpwent(__const struct passwd *__restrict __p,
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79 | FILE *__restrict __f);
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80 |
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81 | /* Search for an entry with a matching user ID. */
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82 | extern struct passwd *getpwuid(uid_t __uid);
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83 |
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84 | /* Search for an entry with a matching username. */
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85 | extern struct passwd *getpwnam(__const char *__name);
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86 |
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87 | /* Reentrant versions of some of the functions above.
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88 |
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89 | PLEASE NOTE: the `getpwent_r' function is not (yet) standardized.
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90 | The interface may change in later versions of this library. But
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91 | the interface is designed following the principals used for the
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92 | other reentrant functions so the chances are good this is what the
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93 | POSIX people would choose. */
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94 |
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95 | extern int getpwent_r(struct passwd *__restrict __resultbuf,
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96 | char *__restrict __buffer, size_t __buflen,
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97 | struct passwd **__restrict __result);
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98 |
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99 | extern int getpwuid_r(uid_t __uid,
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100 | struct passwd *__restrict __resultbuf,
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101 | char *__restrict __buffer, size_t __buflen,
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102 | struct passwd **__restrict __result);
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103 |
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104 | extern int getpwnam_r(__const char *__restrict __name,
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105 | struct passwd *__restrict __resultbuf,
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106 | char *__restrict __buffer, size_t __buflen,
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107 | struct passwd **__restrict __result);
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108 |
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109 | /* Read an entry from STREAM. This function is not standardized and
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110 | probably never will. */
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111 | extern int fgetpwent_r(FILE *__restrict __stream,
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112 | struct passwd *__restrict __resultbuf,
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113 | char *__restrict __buffer, size_t __buflen,
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114 | struct passwd **__restrict __result);
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115 |
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116 | /* Re-construct the password-file line for the given uid
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117 | in the given buffer. This knows the format that the caller
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118 | will expect, but this need not be the format of the password file. */
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119 | extern int getpw(uid_t __uid, char *__buffer);
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120 |
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121 | #endif /* pwd.h */
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122 | #endif
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