summaryrefslogtreecommitdiff
path: root/mailbox/auth.c
blob: dda477928d355ea2318090c287f53bcd84b7f615 (plain)
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
/* GNU mailutils - a suite of utilities for electronic mail
   Copyright (C) 1999, 2000, 2001 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Library Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU Library General Public License for more details.

   You should have received a copy of the GNU Library General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.  */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif

#include <errno.h>
#include <sys/types.h>
#include <string.h>
#include <stdlib.h>

#include <auth0.h>


static int
_authenticate_null (authority_t auth)
{
  (void) auth;
  return 0;
}

int
authority_create_null (authority_t *pauthority, void *owner)
{
  int rc = authority_create(pauthority, NULL, owner);
  if(rc)
    return rc;
  (*pauthority)->_authenticate = _authenticate_null;
  return 0;
}

int
authority_create (authority_t *pauthority, ticket_t ticket, void *owner)
{
  authority_t authority;
  if (pauthority == NULL)
    return EINVAL;
  authority = calloc (1, sizeof (*authority));
  if (authority == NULL)
    return ENOMEM;
  authority->ticket = ticket;
  authority->owner = owner;
  *pauthority = authority;
  return 0;
}

void
authority_destroy (authority_t *pauthority, void *owner)
{
  if (pauthority && *pauthority)
    {
      authority_t authority = *pauthority;
      if (authority->owner == owner)
	{
	  ticket_destroy (&(authority->ticket), authority);
	  free (authority);
	}
      *pauthority = NULL;
    }
}

void *
authority_get_owner (authority_t authority)
{
  return (authority) ? authority->owner : NULL;
}

int
authority_set_ticket (authority_t authority, ticket_t ticket)
{
  if (authority == NULL)
    return EINVAL;
  if (authority->ticket)
    ticket_destroy (&(authority->ticket), authority);
  authority->ticket = ticket;
  return 0;
}

int
authority_get_ticket (authority_t authority, ticket_t *pticket)
{
  if (authority == NULL || pticket == NULL)
    return EINVAL;
  if (authority->ticket == NULL)
    {
      int status = ticket_create (&(authority->ticket), authority);
      if (status != 0)
	return status;
    }
  *pticket = authority->ticket;
  return 0;
}

int
authority_authenticate (authority_t authority)
{
  if (authority && authority->_authenticate)
    {
      return authority->_authenticate (authority);
    }
  return EINVAL;
}

int
authority_set_authenticate (authority_t authority,
			    int (*_authenticate) __P ((authority_t)),
			    void *owner)
{
  if (authority == NULL)
    return EINVAL;

  if (authority->owner != owner)
    return EACCES;
  authority->_authenticate = _authenticate;
  return 0;
}

Return to:

Send suggestions and report system problems to the System administrator.