File: shadow.c

package info (click to toggle)
ruby-shadow 2.5.1-2
  • links: PTS, VCS
  • area: main
  • in suites: forky, sid, trixie
  • size: 200 kB
  • sloc: ansic: 323; ruby: 97; makefile: 4
file content (130 lines) | stat: -rw-r--r-- 3,720 bytes parent folder | download | duplicates (2)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
/*
 * shadow.c
 *
 * Ruby extention module for using FreeBSD/OpenBSD/OS X pwd.h.
 *
 * Copyright (C) 1998-1999 by Takaaki.Tateishi(ttate@jaist.ac.jp)
 * License: Free for any use with your own risk!
 */
#include <sys/types.h>
#include <pwd.h>
#include <time.h>
#ifdef HAVE_UUID_UUID_H
#include <uuid/uuid.h>
#elif HAVE_UUID_H
#include <uuid.h>
#endif
#define PWTYPE  struct passwd

#include "ruby.h"
#ifdef HAVE_RUBY_IO_H
#include "ruby/io.h"
#else
#include "rubyio.h"
#endif

#ifdef RUBY19
#define file_ptr(x) (x)->stdio_file
#else
#define file_ptr(x) (x)->f
#endif

static VALUE rb_mShadow;
static VALUE rb_mPasswd;
static VALUE rb_sPasswdEntry;
static VALUE rb_mGroup;
static VALUE rb_sGroupEntry;
static VALUE rb_eFileLock;


static VALUE
rb_shadow_setspent(VALUE self)
{
  setpassent(1);
  return Qnil;
}


static VALUE
rb_shadow_endspent(VALUE self)
{
  endpwent();
  return Qnil;
}

static VALUE convert_pw_struct( struct passwd *entry )
{
  /* Hmm. Why custom pw_change instead of sp_lstchg? */
  return rb_struct_new(rb_sPasswdEntry,
         rb_str_new2(entry->pw_name), /* sp_namp */
         rb_str_new2(entry->pw_passwd), /* sp_pwdp, encryped password */
         Qnil, /* sp_lstchg, date when the password was last changed (in days since Jan 1, 1970) */
         Qnil, /* sp_min, days that password must stay same */
         Qnil, /* sp_max, days until password changes. */
         Qnil, /* sp_warn, days before expiration where user is warned */
         Qnil, /* sp_inact, days after password expiration that account becomes inactive */
         INT2FIX(difftime(entry->pw_change, 0) / (24*60*60)), /* pw_change */
         INT2FIX(difftime(entry->pw_expire, 0) / (24*60*60)), /* sp_expire */
         Qnil, /* sp_flag */
         rb_str_new2(entry->pw_class), /* sp_loginclass, user access class */
         NULL);
}

static VALUE
rb_shadow_getspent(VALUE self)
{
  PWTYPE *entry;
  VALUE result;
  entry = getpwent();

  if( entry == NULL )
    return Qnil;

  result = convert_pw_struct( entry );
  return result;
}

static VALUE
rb_shadow_getspnam(VALUE self, VALUE name)
{
  PWTYPE *entry;
  VALUE result;

  if( TYPE(name) != T_STRING )
    rb_raise(rb_eException,"argument must be a string.");
  entry = getpwnam(StringValuePtr(name));

  if( entry == NULL )
    return Qnil;

  result = convert_pw_struct( entry );
  return result;
}

void
Init_shadow()
{
  rb_sPasswdEntry = rb_struct_define("PasswdEntry",
                                     "sp_namp","sp_pwdp","sp_lstchg",
                                     "sp_min","sp_max","sp_warn",
                                     "sp_inact","pw_change",
                                     "sp_expire","sp_flag",
                                     "sp_loginclass", NULL);
  rb_sGroupEntry = rb_struct_define("GroupEntry",
                                    "sg_name","sg_passwd",
                                    "sg_adm","sg_mem",NULL);

  rb_mShadow = rb_define_module("Shadow");
  rb_define_const( rb_mShadow, "IMPLEMENTATION", rb_str_new_cstr( "PWD" ) );
  rb_eFileLock = rb_define_class_under(rb_mShadow,"FileLock",rb_eException);
  rb_mPasswd = rb_define_module_under(rb_mShadow,"Passwd");
  rb_define_const(rb_mPasswd,"Entry",rb_sPasswdEntry);
  rb_mGroup = rb_define_module_under(rb_mShadow,"Group");
  rb_define_const(rb_mGroup,"Entry",rb_sGroupEntry);

  rb_define_module_function(rb_mPasswd,"setspent",rb_shadow_setspent,0);
  rb_define_module_function(rb_mPasswd,"endspent",rb_shadow_endspent,0);
  rb_define_module_function(rb_mPasswd,"getspent",rb_shadow_getspent,0);
  rb_define_module_function(rb_mPasswd,"getspnam",rb_shadow_getspnam,1);
  rb_define_module_function(rb_mPasswd,"from_user_name",rb_shadow_getspnam,1);
}