summaryrefslogtreecommitdiff
path: root/source4/scripting/ejs/smbcalls_ldb.c
blob: aaed14dd8cd408235e9aae1499ebecaa76129eb7 (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
/* 
   Unix SMB/CIFS implementation.

   provide hooks into smbd C calls from ejs scripts

   Copyright (C) Andrew Tridgell 2005
   
   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 "scripting/ejs/smbcalls.h"
#include "lib/appweb/ejs/ejs.h"
#include "lib/ldb/include/ldb.h"

/*
  get the connected db
 */
static struct ldb_context *ejs_get_ldb_context(int eid)
{
	struct ldb_context *ldb = mprGetThisPtr(eid, "db");
	if (ldb == NULL) {
		ejsSetErrorMsg(eid, "invalid ldb connection");
	}
	return ldb;
}

/*
  perform an ldb search, returning an array of results

  syntax:
     res = ldb.search("expression");
     var attrs = new Array("attr1", "attr2", "attr3");
     ldb.search("expression", attrs);
     var basedn = "cn=this,dc=is,dc=a,dc=test";
     ldb.search("expression", attrs, ldb.SCOPE_SUBTREE, basedn);
*/
static int ejs_ldbSearch(MprVarHandle eid, int argc, struct MprVar **argv)
{
	const char **attrs = NULL;
	const char *expression;
	const char *base = NULL;
	struct ldb_dn *basedn = NULL;
	int scope = LDB_SCOPE_DEFAULT;
	TALLOC_CTX *tmp_ctx = talloc_new(mprMemCtx());
	struct ldb_context *ldb;
	int ret;
	struct ldb_message **res;

	/* validate arguments */
	if (argc < 1 || argc > 4) {
		ejsSetErrorMsg(eid, "ldb.search invalid number of arguments");
		goto failed;
	}
	if (argc > 3 && argv[3]->type != MPR_TYPE_OBJECT) {
		ejsSetErrorMsg(eid, "ldb.search attributes must be an object");
		goto failed;
	}

	ldb = ejs_get_ldb_context(eid);
	if (ldb == NULL) {
		return -1;
	}
	
	expression = mprToString(argv[0]);
	if (argc > 1) {
		base = mprToString(argv[1]);
		/* a null basedn is valid */
	}
	if (base != NULL) {
		basedn = ldb_dn_explode(tmp_ctx, base);
		if (basedn == NULL) {
			ejsSetErrorMsg(eid, "ldb.search malformed base dn");
			goto failed;
		}
	}
	if (argc > 2) {
		scope = mprToInt(argv[2]);
		switch (scope) {
			case LDB_SCOPE_DEFAULT:
			case LDB_SCOPE_BASE:
			case LDB_SCOPE_ONELEVEL:
			case LDB_SCOPE_SUBTREE:
				break; /* ok */
			default:
				ejsSetErrorMsg(eid, "ldb.search invalid scope");
				goto failed;
		}
	}
	if (argc > 3) {
		attrs = mprToList(tmp_ctx, argv[3]);
	}
	ret = ldb_search(ldb, basedn, scope, expression, attrs, &res);
	if (ret == -1) {
		ejsSetErrorMsg(eid, "ldb.search failed - %s", ldb_errstring(ldb));
		mpr_Return(eid, mprCreateUndefinedVar());
	} else {
		mpr_Return(eid, mprLdbArray(ldb, res, ret, "ldb_message"));
	}

	talloc_free(tmp_ctx);
	return 0;

failed:
	talloc_free(tmp_ctx);
	return -1;
}


/*
  perform an ldb add or modify
*/
static int ejs_ldbAddModify(MprVarHandle eid, int argc, struct MprVar **argv,
			    int fn(struct ldb_context *, const struct ldb_message *))
{
	const char *ldifstring;
	struct ldb_context *ldb;
	struct ldb_ldif *ldif;
	int ret = 0;

	if (argc != 1) {
		ejsSetErrorMsg(eid, "ldb.add/modify invalid arguments");
		return -1;
	}

	ldifstring = mprToString(argv[0]);
	if (ldifstring == NULL) {
		ejsSetErrorMsg(eid, "ldb.add/modify invalid arguments");
		return -1;
	}

	ldb = ejs_get_ldb_context(eid);
	if (ldb == NULL) {
		return -1;
	}

	while ((ldif = ldb_ldif_read_string(ldb, &ldifstring))) {
		ret = fn(ldb, ldif->msg);
		talloc_free(ldif);
		if (ret != 0) break;
	}

	mpr_Return(eid, mprCreateBoolVar(ret == 0));
	return 0;
}


/*
  perform an ldb delete
  usage:
   ok = ldb.delete(dn);
*/
static int ejs_ldbDelete(MprVarHandle eid, int argc, struct MprVar **argv)
{
	struct ldb_dn *dn;
	struct ldb_context *ldb;
	int ret;

	if (argc != 1) {
		ejsSetErrorMsg(eid, "ldb.delete invalid arguments");
		return -1;
	}

	ldb = ejs_get_ldb_context(eid);
	if (ldb == NULL) {
		return -1;
	}

	dn = ldb_dn_explode(ldb, mprToString(argv[0]));
	if (dn == NULL) {
		ejsSetErrorMsg(eid, "ldb.delete malformed dn");
		return -1;
	}

	ret = ldb_delete(ldb, dn);

	talloc_free(dn);

	mpr_Return(eid, mprCreateBoolVar(ret == 0));
	return 0;
}

/*
  perform an ldb rename
  usage:
   ok = ldb.rename(dn1, dn2);
*/
static int ejs_ldbRename(MprVarHandle eid, int argc, struct MprVar **argv)
{
	struct ldb_dn *dn1, *dn2;
	struct ldb_context *ldb;
	int ret;

	if (argc != 2) {
		ejsSetErrorMsg(eid, "ldb.rename invalid arguments");
		return -1;
	}

	ldb = ejs_get_ldb_context(eid);
	if (ldb == NULL) {
		return -1;
	}

	dn1 = ldb_dn_explode(ldb, mprToString(argv[0]));
	dn2 = ldb_dn_explode(ldb, mprToString(argv[1]));
	if (dn1 == NULL || dn2 == NULL) {
		ejsSetErrorMsg(eid, "ldb.rename invalid or malformed arguments");
		return -1;
	}

	ret = ldb_rename(ldb, dn1, dn2);

	talloc_free(dn1);
	talloc_free(dn2);

	mpr_Return(eid, mprCreateBoolVar(ret == 0));
	return 0;
}

/*
  get last error message
  usage:
   ok = ldb.errstring();
*/
static int ejs_ldbErrstring(MprVarHandle eid, int argc, struct MprVar **argv)
{
	struct ldb_context *ldb;

	ldb = ejs_get_ldb_context(eid);
	if (ldb == NULL) {
		return -1;
	}

	mpr_Return(eid, mprString(ldb_errstring(ldb)));
	return 0;
}

/*
  perform an ldb modify

  syntax:
    ok = ldb.modify(ldifstring);
*/
static int ejs_ldbAdd(MprVarHandle eid, int argc, struct MprVar **argv)
{
	return ejs_ldbAddModify(eid, argc, argv, ldb_add);
}

/*
  perform an ldb add

  syntax:
    ok = ldb.add(ldifstring);
*/
static int ejs_ldbModify(MprVarHandle eid, int argc, struct MprVar **argv)
{
	return ejs_ldbAddModify(eid, argc, argv, ldb_modify);
}

/*
  connect to a database
  usage:
   ok = ldb.connect(dbfile);
   ok = ldb.connect(dbfile, "modules:modlist");
*/
static int ejs_ldbConnect(MprVarHandle eid, int argc, char **argv)
{
	struct ldb_context *ldb;
	const char *dbfile;

	if (argc < 1) {
		ejsSetErrorMsg(eid, "ldb.connect invalid arguments");
		return -1;
	}

	dbfile = argv[0];

	ldb = ldb_wrap_connect(mprMemCtx(), dbfile, 0, (const char **)(argv+1));
	if (ldb == NULL) {
		ejsSetErrorMsg(eid, "ldb.connect failed to open %s", dbfile);
	}

	mprSetThisPtr(eid, "db", ldb);
	mpr_Return(eid, mprCreateBoolVar(ldb != NULL));
	return 0;
}


/*
  initialise ldb ejs subsystem
*/
static int ejs_ldb_init(MprVarHandle eid, int argc, struct MprVar **argv)
{
	struct MprVar *ldb = mprInitObject(eid, "ldb", argc, argv);

	mprSetStringCFunction(ldb, "connect", ejs_ldbConnect);
	mprSetCFunction(ldb, "search", ejs_ldbSearch);
	mprSetCFunction(ldb, "add", ejs_ldbAdd);
	mprSetCFunction(ldb, "modify", ejs_ldbModify);
	mprSetCFunction(ldb, "del", ejs_ldbDelete);
	mprSetCFunction(ldb, "rename", ejs_ldbRename);
	mprSetCFunction(ldb, "errstring", ejs_ldbErrstring);
	mprSetVar(ldb, "SCOPE_BASE", mprCreateNumberVar(LDB_SCOPE_BASE));
	mprSetVar(ldb, "SCOPE_ONE", mprCreateNumberVar(LDB_SCOPE_ONELEVEL));
	mprSetVar(ldb, "SCOPE_SUBTREE", mprCreateNumberVar(LDB_SCOPE_SUBTREE));

	return 0;
}


/*
  setup C functions that be called from ejs
*/
void smb_setup_ejs_ldb(void)
{
	ejsDefineCFunction(-1, "ldb_init", ejs_ldb_init, NULL, MPR_VAR_SCRIPT_HANDLE);
}