summaryrefslogtreecommitdiffstats
path: root/source3/passdb/passgrp.c
blob: f73591793f50cae5bc63f5c4f1a78fd80d9503fc (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
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
/* 
   Unix SMB/CIFS implementation.
   Password and authentication handling
   Copyright (C) Jeremy Allison 1996-1998
   Copyright (C) Luke Kenneth Casson Leighton 1996-1998
      
   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, 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 General Public License for more details.
   
   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/

#include "includes.h"

#undef DBGC_CLASS
#define DBGC_CLASS DBGC_PASSDB

/*
 * NOTE. All these functions are abstracted into a structure
 * that points to the correct function for the selected database. JRA.
 *
 * the API does NOT fill in the gaps if you set an API function
 * to NULL: it will deliberately attempt to call the NULL function.
 *
 */

static struct passgrp_ops *pwgrp_ops;

/***************************************************************
 Initialise the passgrp operations.
***************************************************************/

BOOL initialise_passgrp_db(void)
{
  if (pwgrp_ops)
  {
    return True;
  }

#ifdef WITH_NISPLUS
  pwgrp_ops =  nisplus_initialise_password_grp();
#elif defined(WITH_LDAP)
  pwgrp_ops = ldap_initialize_password_grp();
#else 
  pwgrp_ops = file_initialise_password_grp();
#endif 

  return (pwgrp_ops != NULL);
}

/*
 * Functions that return/manipulate a struct smb_passwd.
 */

/************************************************************************
 Utility function to search smb passwd by rid.  
*************************************************************************/

struct smb_passwd *iterate_getsmbgrprid(uint32 user_rid,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	return iterate_getsmbgrpuid(pwdb_user_rid_to_uid(user_rid),
	                            grps, num_grps, alss, num_alss);
}

/************************************************************************
 Utility function to search smb passwd by uid.  use this if your database
 does not have search facilities.
*************************************************************************/

struct smb_passwd *iterate_getsmbgrpuid(uid_t smb_userid,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	struct smb_passwd *pwd = NULL;
	void *fp = NULL;

	DEBUG(10, ("search by smb_userid: %x\n", (int)smb_userid));

	/* Open the smb password database - not for update. */
	fp = startsmbgrpent(False);

	if (fp == NULL)
	{
		DEBUG(0, ("unable to open smb passgrp database.\n"));
		return NULL;
	}

	while ((pwd = getsmbgrpent(fp, grps, num_grps, alss, num_alss)) != NULL && pwd->smb_userid != smb_userid)
      ;

	if (pwd != NULL)
	{
		DEBUG(10, ("found by smb_userid: %x\n", (int)smb_userid));
	}

	endsmbgrpent(fp);
	return pwd;
}

/************************************************************************
 Utility function to search smb passwd by name.  use this if your database
 does not have search facilities.
*************************************************************************/

struct smb_passwd *iterate_getsmbgrpnam(char *name,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	struct smb_passwd *pwd = NULL;
	void *fp = NULL;

	DEBUG(10, ("search by name: %s\n", name));

	/* Open the passgrp file - not for update. */
	fp = startsmbgrpent(False);

	if (fp == NULL)
	{
		DEBUG(0, ("unable to open smb passgrp database.\n"));
		return NULL;
	}

	while ((pwd = getsmbgrpent(fp, grps, num_grps, alss, num_alss)) != NULL && !strequal(pwd->smb_name, name))
      ;

	if (pwd != NULL)
	{
		DEBUG(10, ("found by name: %s\n", name));
	}

	endsmbgrpent(fp);
	return pwd;
}

/***************************************************************
 Start to enumerate the smb or sam passwd list. Returns a void pointer
 to ensure no modification outside this module.

 Note that currently it is being assumed that a pointer returned
 from this function may be used to enumerate struct sam_passwd
 entries as well as struct smb_passwd entries. This may need
 to change. JRA.

****************************************************************/

void *startsmbgrpent(BOOL update)
{
  return pwgrp_ops->startsmbgrpent(update);
}

/***************************************************************
 End enumeration of the smb or sam passwd list.

 Note that currently it is being assumed that a pointer returned
 from this function may be used to enumerate struct sam_passwd
 entries as well as struct smb_passwd entries. This may need
 to change. JRA.

****************************************************************/

void endsmbgrpent(void *vp)
{
  pwgrp_ops->endsmbgrpent(vp);
}

/*************************************************************************
 Routine to return the next entry in the smb passwd list.
 *************************************************************************/

struct smb_passwd *getsmbgrpent(void *vp,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	return pwgrp_ops->getsmbgrpent(vp, grps, num_grps, alss, num_alss);
}

/************************************************************************
 Routine to search smb passwd by name.
*************************************************************************/

struct smb_passwd *getsmbgrpnam(char *name,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	return pwgrp_ops->getsmbgrpnam(name, grps, num_grps, alss, num_alss);
}

/************************************************************************
 Routine to search smb passwd by user rid.
*************************************************************************/

struct smb_passwd *getsmbgrprid(uint32 user_rid,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	return pwgrp_ops->getsmbgrprid(user_rid, grps, num_grps, alss, num_alss);
}

/************************************************************************
 Routine to search smb passwd by uid.
*************************************************************************/

struct smb_passwd *getsmbgrpuid(uid_t smb_userid,
		uint32 **grps, int *num_grps,
		uint32 **alss, int *num_alss)
{
	return pwgrp_ops->getsmbgrpuid(smb_userid, grps, num_grps, alss, num_alss);
}