summaryrefslogtreecommitdiff
path: root/source3/lib/smbldap.c
blob: b627134446308fb1dbe4daa95edc44038030bd0e (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
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
/* 
   Unix SMB/CIFS mplementation.
   LDAP protocol helper functions for SAMBA
   Copyright (C) Gerald Carter			2001-2003
    
   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"
#include "smbldap.h"

/* attributes used by Samba 2.2 */

ATTRIB_MAP_ENTRY attrib_map_v22[] = {
	{ LDAP_ATTR_UID,		"uid" 		},
	{ LDAP_ATTR_UIDNUMBER,		LDAP_ATTRIBUTE_UIDNUMBER},
	{ LDAP_ATTR_GIDNUMBER,		LDAP_ATTRIBUTE_GIDNUMBER},
	{ LDAP_ATTR_UNIX_HOME,		"homeDirectory"	},
	{ LDAP_ATTR_PWD_LAST_SET,	"pwdLastSet"	},
	{ LDAP_ATTR_PWD_CAN_CHANGE,	"pwdCanChange"	},
	{ LDAP_ATTR_PWD_MUST_CHANGE,	"pwdMustChange"	},
	{ LDAP_ATTR_LOGON_TIME,		"logonTime" 	},
	{ LDAP_ATTR_LOGOFF_TIME,	"logoffTime"	},
	{ LDAP_ATTR_KICKOFF_TIME,	"kickoffTime"	},
	{ LDAP_ATTR_CN,			"cn"		},
	{ LDAP_ATTR_DISPLAY_NAME,	"displayName"	},
	{ LDAP_ATTR_HOME_PATH,		"smbHome"	},
	{ LDAP_ATTR_HOME_DRIVE,		"homeDrives"	},
	{ LDAP_ATTR_LOGON_SCRIPT,	"scriptPath"	},
	{ LDAP_ATTR_PROFILE_PATH,	"profilePath"	},
	{ LDAP_ATTR_DESC,		"description"	},
	{ LDAP_ATTR_USER_WKS,		"userWorkstations"},
	{ LDAP_ATTR_USER_RID,		"rid"		},
	{ LDAP_ATTR_PRIMARY_GROUP_RID,	"primaryGroupID"},
	{ LDAP_ATTR_LMPW,		"lmPassword"	},
	{ LDAP_ATTR_NTPW,		"ntPassword"	},
	{ LDAP_ATTR_DOMAIN,		"domain"	},
	{ LDAP_ATTR_OBJCLASS,		"objectClass"	},
	{ LDAP_ATTR_ACB_INFO,		"acctFlags"	},
	{ LDAP_ATTR_LIST_END,		NULL 		}
};

/* attributes used by Samba 3.0's sambaSamAccount */

ATTRIB_MAP_ENTRY attrib_map_v30[] = {
	{ LDAP_ATTR_UID,		"uid" 			},
	{ LDAP_ATTR_UIDNUMBER,		LDAP_ATTRIBUTE_UIDNUMBER},
	{ LDAP_ATTR_GIDNUMBER,		LDAP_ATTRIBUTE_GIDNUMBER},
	{ LDAP_ATTR_UNIX_HOME,		"homeDirectory"		},
	{ LDAP_ATTR_PWD_LAST_SET,	"sambaPwdLastSet"	},
	{ LDAP_ATTR_PWD_CAN_CHANGE,	"sambaPwdCanChange"	},
	{ LDAP_ATTR_PWD_MUST_CHANGE,	"sambaPwdMustChange"	},
	{ LDAP_ATTR_LOGON_TIME,		"sambaLogonTime" 	},
	{ LDAP_ATTR_LOGOFF_TIME,	"sambaLogoffTime"	},
	{ LDAP_ATTR_KICKOFF_TIME,	"sambaKickoffTime"	},
	{ LDAP_ATTR_CN,			"cn"			},
	{ LDAP_ATTR_DISPLAY_NAME,	"displayName"		},
	{ LDAP_ATTR_HOME_DRIVE,		"sambaHomeDrive"	},
	{ LDAP_ATTR_HOME_PATH,		"sambaHomePath"		},
	{ LDAP_ATTR_LOGON_SCRIPT,	"sambaLogonScript"	},
	{ LDAP_ATTR_PROFILE_PATH,	"sambaProfilePath"	},
	{ LDAP_ATTR_DESC,		"description"		},
	{ LDAP_ATTR_USER_WKS,		"sambaUserWorkstations"	},
	{ LDAP_ATTR_USER_SID,		LDAP_ATTRIBUTE_SID	},
	{ LDAP_ATTR_PRIMARY_GROUP_SID,	"sambaPrimaryGroupSID"	},
	{ LDAP_ATTR_LMPW,		"sambaLMPassword"	},
	{ LDAP_ATTR_NTPW,		"sambaNTPassword"	},
	{ LDAP_ATTR_DOMAIN,		"sambaDomainName"	},
	{ LDAP_ATTR_OBJCLASS,		"objectClass"		},
	{ LDAP_ATTR_ACB_INFO,		"sambaAcctFlags"	},
	{ LDAP_ATTR_LIST_END,		NULL 			}
};

/* attributes used for alalocating RIDs */

ATTRIB_MAP_ENTRY dominfo_attr_list[] = {
	{ LDAP_ATTR_DOMAIN,		"sambaDomainName"	},
	{ LDAP_ATTR_NEXT_USERRID,	"sambaNextUserRid"	},
	{ LDAP_ATTR_NEXT_GROUPRID,	"sambaNextGroupRid"	},
	{ LDAP_ATTR_DOM_SID,		LDAP_ATTRIBUTE_SID	},
	{ LDAP_ATTR_LIST_END,		NULL			},
};

/* Samba 3.0 group mapping attributes */

ATTRIB_MAP_ENTRY groupmap_attr_list[] = {
	{ LDAP_ATTR_GIDNUMBER,		LDAP_ATTRIBUTE_GIDNUMBER},
	{ LDAP_ATTR_GROUP_SID,		LDAP_ATTRIBUTE_SID	},
	{ LDAP_ATTR_GROUP_TYPE,		"sambaGroupType"	},
	{ LDAP_ATTR_DESC,		"description"		},
	{ LDAP_ATTR_DISPLAY_NAME,	"displayName"		},
	{ LDAP_ATTR_CN,			"cn"			},
	{ LDAP_ATTR_LIST_END,		NULL			}	
};

ATTRIB_MAP_ENTRY groupmap_attr_list_to_delete[] = {
	{ LDAP_ATTR_GROUP_SID,		LDAP_ATTRIBUTE_SID	},
	{ LDAP_ATTR_GROUP_TYPE,		"sambaGroupType"	},
	{ LDAP_ATTR_DESC,		"description"		},
	{ LDAP_ATTR_DISPLAY_NAME,	"displayName"		},
	{ LDAP_ATTR_LIST_END,		NULL			}	
};

/* idmap_ldap sambaUnixIdPool */

ATTRIB_MAP_ENTRY idpool_attr_list[] = {
	{ LDAP_ATTR_UIDNUMBER,		LDAP_ATTRIBUTE_UIDNUMBER},
	{ LDAP_ATTR_GIDNUMBER,		LDAP_ATTRIBUTE_GIDNUMBER},
	{ LDAP_ATTR_LIST_END,		NULL			}	
};

ATTRIB_MAP_ENTRY sidmap_attr_list[] = {
	{ LDAP_ATTR_SID,		LDAP_ATTRIBUTE_SID	},
	{ LDAP_ATTR_UIDNUMBER,		LDAP_ATTRIBUTE_UIDNUMBER},
	{ LDAP_ATTR_GIDNUMBER,		LDAP_ATTRIBUTE_GIDNUMBER},
	{ LDAP_ATTR_LIST_END,		NULL			}	
};

/**********************************************************************
 perform a simple table lookup and return the attribute name 
 **********************************************************************/
 
const char* get_attr_key2string( ATTRIB_MAP_ENTRY table[], int key )
{
	int i = 0;
	
	while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
		if ( table[i].attrib == key )
			return table[i].name;
		i++;
	}
	
	return NULL;
}


/**********************************************************************
 Return the list of attribute names from a mapping table
 **********************************************************************/

char** get_attr_list( ATTRIB_MAP_ENTRY table[] )
{
	char **names;
	int i = 0;
	
	while ( table[i].attrib != LDAP_ATTR_LIST_END )
		i++;
	i++;

	names = (char**)malloc( sizeof(char*)*i );
	if ( !names ) {
		DEBUG(0,("get_attr_list: out of memory\n"));
		return NULL;
	}

	i = 0;
	while ( table[i].attrib != LDAP_ATTR_LIST_END ) {
		names[i] = strdup( table[i].name );
		i++;
	}
	names[i] = NULL;
	
	return names;
}

/*********************************************************************
 Cleanup 
 ********************************************************************/

void free_attr_list( char **list )
{
	int i = 0;

	if ( !list )
		return; 

	while ( list[i] )
		SAFE_FREE( list[i] );

	SAFE_FREE( list );
}

/*******************************************************************
 find the ldap password
******************************************************************/
BOOL fetch_ldap_pw(char **dn, char** pw)
{
	char *key = NULL;
	size_t size;
	
	*dn = smb_xstrdup(lp_ldap_admin_dn());
	
	if (asprintf(&key, "%s/%s", SECRETS_LDAP_BIND_PW, *dn) < 0) {
		SAFE_FREE(*dn);
		DEBUG(0, ("fetch_ldap_pw: asprintf failed!\n"));
	}
	
	*pw=secrets_fetch(key, &size);
	SAFE_FREE(key);

	if (!size) {
		/* Upgrade 2.2 style entry */
		char *p;
	        char* old_style_key = strdup(*dn);
		char *data;
		fstring old_style_pw;
		
		if (!old_style_key) {
			DEBUG(0, ("fetch_ldap_pw: strdup failed!\n"));
			return False;
		}

		for (p=old_style_key; *p; p++)
			if (*p == ',') *p = '/';
	
		data=secrets_fetch(old_style_key, &size);
		if (!size && size < sizeof(old_style_pw)) {
			DEBUG(0,("fetch_ldap_pw: neither ldap secret retrieved!\n"));
			SAFE_FREE(old_style_key);
			SAFE_FREE(*dn);
			return False;
		}

		strncpy(old_style_pw, data, size);
		old_style_pw[size] = 0;

		SAFE_FREE(data);

		if (!secrets_store_ldap_pw(*dn, old_style_pw)) {
			DEBUG(0,("fetch_ldap_pw: ldap secret could not be upgraded!\n"));
			SAFE_FREE(old_style_key);
			SAFE_FREE(*dn);
			return False;			
		}
		if (!secrets_delete(old_style_key)) {
			DEBUG(0,("fetch_ldap_pw: old ldap secret could not be deleted!\n"));
		}

		SAFE_FREE(old_style_key);

		*pw = smb_xstrdup(old_style_pw);		
	}
	
	return True;
}

/************************************************************************
 Routine to manage the LDAPMod structure array
 manage memory used by the array, by each struct, and values
 ***********************************************************************/

void smbldap_set_mod (LDAPMod *** modlist, int modop, const char *attribute, const char *value)
{
	LDAPMod **mods;
	int i;
	int j;

	mods = *modlist;

	/* sanity checks on the mod values */

	if (attribute == NULL || *attribute == '\0')
		return;	
#if 0	/* commented out after discussion with abartlet.  Do not reenable.
	   left here so other so re-add similar code   --jerry */
       	if (value == NULL || *value == '\0')
		return;
#endif

	if (mods == NULL) 
	{
		mods = (LDAPMod **) malloc(sizeof(LDAPMod *));
		if (mods == NULL)
		{
			DEBUG(0, ("make_a_mod: out of memory!\n"));
			return;
		}
		mods[0] = NULL;
	}

	for (i = 0; mods[i] != NULL; ++i) {
		if (mods[i]->mod_op == modop && !strcasecmp(mods[i]->mod_type, attribute))
			break;
	}

	if (mods[i] == NULL)
	{
		mods = (LDAPMod **) Realloc (mods, (i + 2) * sizeof (LDAPMod *));
		if (mods == NULL)
		{
			DEBUG(0, ("make_a_mod: out of memory!\n"));
			return;
		}
		mods[i] = (LDAPMod *) malloc(sizeof(LDAPMod));
		if (mods[i] == NULL)
		{
			DEBUG(0, ("make_a_mod: out of memory!\n"));
			return;
		}
		mods[i]->mod_op = modop;
		mods[i]->mod_values = NULL;
		mods[i]->mod_type = strdup(attribute);
		mods[i + 1] = NULL;
	}

	if (value != NULL)
	{
		char *utf8_value = NULL;

		j = 0;
		if (mods[i]->mod_values != NULL) {
			for (; mods[i]->mod_values[j] != NULL; j++);
		}
		mods[i]->mod_values = (char **)Realloc(mods[i]->mod_values,
					       (j + 2) * sizeof (char *));
					       
		if (mods[i]->mod_values == NULL) {
			DEBUG (0, ("make_a_mod: Memory allocation failure!\n"));
			return;
		}

		if (push_utf8_allocate(&utf8_value, value) == (size_t)-1) {
			DEBUG (0, ("make_a_mod: String conversion failure!\n"));
			return;
		}

		mods[i]->mod_values[j] = utf8_value;

		mods[i]->mod_values[j + 1] = NULL;
	}
	*modlist = mods;
}