summaryrefslogtreecommitdiff
path: root/source4/libads/ads_ldap.c
blob: 97f12de0f7f82be6a7084dbcf1cb6f62105a44ac (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
/* 
   Unix SMB/CIFS implementation.

   Winbind ADS backend functions

   Copyright (C) Andrew Tridgell 2001
   Copyright (C) Andrew Bartlett 2002
   
   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"
#ifdef HAVE_LDAP

/* convert a single name to a sid in a domain */
NTSTATUS ads_name_to_sid(ADS_STRUCT *ads,
			 const char *name,
			 DOM_SID *sid,
			 enum SID_NAME_USE *type)
{
	const char *attrs[] = {"objectSid", "sAMAccountType", NULL};
	int count;
	ADS_STATUS rc;
	void *res = NULL;
	char *exp;
	uint32 t;
	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;
	char *escaped_name = escape_ldap_string_alloc(name);
	char *escaped_realm = escape_ldap_string_alloc(ads->config.realm);

	if (!escaped_name || !escaped_realm) {
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	if (asprintf(&exp, "(|(sAMAccountName=%s)(userPrincipalName=%s@%s))", 
		     escaped_name, escaped_name, escaped_realm) == -1) {
		DEBUG(1,("ads_name_to_sid: asprintf failed!\n"));
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	rc = ads_search_retry(ads, &res, exp, attrs);
	free(exp);
	if (!ADS_ERR_OK(rc)) {
		DEBUG(1,("name_to_sid ads_search: %s\n", ads_errstr(rc)));
		goto done;
	}

	count = ads_count_replies(ads, res);
	if (count != 1) {
		DEBUG(1,("name_to_sid: %s not found\n", name));
		goto done;
	}

	if (!ads_pull_sid(ads, res, "objectSid", sid)) {
		DEBUG(1,("No sid for %s !?\n", name));
		goto done;
	}

	if (!ads_pull_uint32(ads, res, "sAMAccountType", &t)) {
		DEBUG(1,("No sAMAccountType for %s !?\n", name));
		goto done;
	}

	*type = ads_atype_map(t);

	status = NT_STATUS_OK;

	DEBUG(3,("ads name_to_sid mapped %s\n", name));

done:
	if (res) ads_msgfree(ads, res);

	SAFE_FREE(escaped_name);
	SAFE_FREE(escaped_realm);

	return status;
}

/* convert a sid to a user or group name */
NTSTATUS ads_sid_to_name(ADS_STRUCT *ads,
			 TALLOC_CTX *mem_ctx,
			 const DOM_SID *sid,
			 char **name,
			 enum SID_NAME_USE *type)
{
	const char *attrs[] = {"userPrincipalName", 
			       "sAMAccountName",
			       "sAMAccountType", NULL};
	ADS_STATUS rc;
	void *msg = NULL;
	char *exp = NULL;
	char *sidstr = NULL;
	uint32 atype;
	NTSTATUS status = NT_STATUS_UNSUCCESSFUL;

	if (!(sidstr = sid_binstring(sid))) {
		DEBUG(1,("ads_sid_to_name: sid_binstring failed!\n"));
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	if (asprintf(&exp, "(objectSid=%s)", sidstr) == -1) {
		DEBUG(1,("ads_sid_to_name: asprintf failed!\n"));
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}

	rc = ads_search_retry(ads, &msg, exp, attrs);
	if (!ADS_ERR_OK(rc)) {
		status = ads_ntstatus(rc);
		DEBUG(1,("ads_sid_to_name ads_search: %s\n", ads_errstr(rc)));
		goto done;
	}

	if (!ads_pull_uint32(ads, msg, "sAMAccountType", &atype)) {
		goto done;
	}

	*name = ads_pull_username(ads, mem_ctx, msg);
	if (!*name) {
		DEBUG(1,("ads_sid_to_name: ads_pull_username retuned NULL!\n"));
		status = NT_STATUS_NO_MEMORY;
		goto done;
	}
		
	*type = ads_atype_map(atype);

	status = NT_STATUS_OK;

	DEBUG(3,("ads sid_to_name mapped %s\n", *name));

done:
	if (msg) ads_msgfree(ads, msg);

	SAFE_FREE(exp);
	SAFE_FREE(sidstr);

	return status;
}

#endif