summaryrefslogtreecommitdiff
path: root/source/libads/ads_struct.c
blob: e8546f86f50c7f51efb65c0d76c0a922cc71649f (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
/* 
   Unix SMB/CIFS implementation.
   ads (active directory) utility library
   Copyright (C) Andrew Tridgell 2001
   Copyright (C) Andrew Bartlett 2001
   
   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"

/* return a ldap dn path from a string, given separators and field name
   caller must free
*/
char *ads_build_path(const char *realm, const char *sep, const char *field, int reverse)
{
	char *p, *r;
	int numbits = 0;
	char *ret;
	int len;
	
	r = SMB_STRDUP(realm);

	if (!r || !*r)
		return r;

	for (p=r; *p; p++)
		if (strchr(sep, *p))
			numbits++;

	len = (numbits+1)*(strlen(field)+1) + strlen(r) + 1;

	ret = SMB_MALLOC(len);
	if (!ret)
		return NULL;

	strlcpy(ret,field, len);
	p=strtok(r,sep); 
	strlcat(ret, p, len);

	while ((p=strtok(NULL,sep))) {
		char *s;
		if (reverse)
			asprintf(&s, "%s%s,%s", field, p, ret);
		else
			asprintf(&s, "%s,%s%s", ret, field, p);
		free(ret);
		ret = s;
	}

	free(r);
	return ret;
}

/* return a dn of the form "dc=AA,dc=BB,dc=CC" from a 
   realm of the form AA.BB.CC 
   caller must free
*/
char *ads_build_dn(const char *realm)
{
	return ads_build_path(realm, ".", "dc=", 0);
}


#ifndef LDAP_PORT
#define LDAP_PORT 389
#endif

/*
  initialise a ADS_STRUCT, ready for some ads_ ops
*/
ADS_STRUCT *ads_init(const char *realm, 
		     const char *workgroup,
		     const char *ldap_server)
{
	ADS_STRUCT *ads;
	
	ads = SMB_XMALLOC_P(ADS_STRUCT);
	ZERO_STRUCTP(ads);
	
	ads->server.realm = realm? SMB_STRDUP(realm) : NULL;
	ads->server.workgroup = workgroup ? SMB_STRDUP(workgroup) : NULL;
	ads->server.ldap_server = ldap_server? SMB_STRDUP(ldap_server) : NULL;

	/* we need to know if this is a foreign realm */
	if (realm && *realm && !strequal(lp_realm(), realm)) {
		ads->server.foreign = 1;
	}
	if (workgroup && *workgroup && !strequal(lp_workgroup(), workgroup)) {
		ads->server.foreign = 1;
	}

	/* the caller will own the memory by default */
	ads->is_mine = 1;

	return ads;
}

/*
  free the memory used by the ADS structure initialized with 'ads_init(...)'
*/
void ads_destroy(ADS_STRUCT **ads)
{
	if (ads && *ads) {
		BOOL is_mine;

		is_mine = (*ads)->is_mine;
#if HAVE_LDAP
		if ((*ads)->ld) ldap_unbind((*ads)->ld);
#endif
		SAFE_FREE((*ads)->server.realm);
		SAFE_FREE((*ads)->server.workgroup);
		SAFE_FREE((*ads)->server.ldap_server);
		SAFE_FREE((*ads)->server.ldap_uri);

		SAFE_FREE((*ads)->auth.realm);
		SAFE_FREE((*ads)->auth.password);
		SAFE_FREE((*ads)->auth.user_name);
		SAFE_FREE((*ads)->auth.kdc_server);

		SAFE_FREE((*ads)->config.realm);
		SAFE_FREE((*ads)->config.bind_path);
		SAFE_FREE((*ads)->config.ldap_server_name);
		
		
		ZERO_STRUCTP(*ads);

		if ( is_mine )
			SAFE_FREE(*ads);
	}
}