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Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / external / bsd / openldap / dist / servers / slapd / overlays / constraint.c
blob7b082b0de52c2bbfb4804f7d66166f138935d456
1 /* $OpenLDAP: pkg/ldap/servers/slapd/overlays/constraint.c,v 1.2.2.8 2008/05/27 19:59:47 quanah Exp $ */
2 /* constraint.c - Overlay to constrain attributes to certain values */
3 /*
4 * Copyright 2003-2004 Hewlett-Packard Company
5 * Copyright 2007 Emmanuel Dreyfus
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted only as authorized by the OpenLDAP
10 * Public License.
11 *
12 * A copy of this license is available in the file LICENSE in the
13 * top-level directory of the distribution or, alternatively, at
14 * <http://www.OpenLDAP.org/license.html>.
15 */
16 /*
17 * Authors: Neil Dunbar <neil.dunbar@hp.com>
18 * Emmannuel Dreyfus <manu@netbsd.org>
19 */
20 #include "portable.h"
21
22 #ifdef SLAPD_OVER_CONSTRAINT
23
24 #include <stdio.h>
25
26 #include <ac/string.h>
27 #include <ac/socket.h>
28 #include <ac/regex.h>
29
30 #include "lutil.h"
31 #include "slap.h"
32 #include "config.h"
33
34 /*
35 * This overlay limits the values which can be placed into an
36 * attribute, over and above the limits placed by the schema.
37 *
38 * It traps only LDAP adds and modify commands (and only seeks to
39 * control the add and modify value mods of a modify)
40 */
41
42 #define REGEX_STR "regex"
43 #define URI_STR "uri"
44 #define SIZE_STR "size"
45 #define COUNT_STR "count"
46
47 /*
48 * Linked list of attribute constraints which we should enforce.
49 * This is probably a sub optimal structure - some form of sorted
50 * array would be better if the number of attributes contrained is
51 * likely to be much bigger than 4 or 5. We stick with a list for
52 * the moment.
53 */
54
55 typedef struct constraint {
56 struct constraint *ap_next;
57 AttributeDescription *ap;
58 regex_t *re;
59 LDAPURLDesc *lud;
60 size_t size;
61 size_t count;
62 AttributeDescription **attrs;
63 struct berval val; /* constraint value */
64 struct berval dn;
65 struct berval filter;
66 } constraint;
67
68 enum {
69 CONSTRAINT_ATTRIBUTE = 1
70 };
71
72 static ConfigDriver constraint_cf_gen;
73
74 static ConfigTable constraintcfg[] = {
75 { "constraint_attribute", "attribute> (regex|uri) <value",
76 4, 4, 0, ARG_MAGIC | CONSTRAINT_ATTRIBUTE, constraint_cf_gen,
77 "( OLcfgOvAt:13.1 NAME 'olcConstraintAttribute' "
78 "DESC 'regular expression constraint for attribute' "
79 "EQUALITY caseIgnoreMatch "
80 "SYNTAX OMsDirectoryString )", NULL, NULL },
81 { NULL, NULL, 0, 0, 0, ARG_IGNORED }
82 };
83
84 static ConfigOCs constraintocs[] = {
85 { "( OLcfgOvOc:13.1 "
86 "NAME 'olcConstraintConfig' "
87 "DESC 'Constraint overlay configuration' "
88 "SUP olcOverlayConfig "
89 "MAY ( olcConstraintAttribute ) )",
90 Cft_Overlay, constraintcfg },
91 { NULL, 0, NULL }
92 };
93
94 static void
95 constraint_free( constraint *cp )
96 {
97 if (cp->re) {
98 regfree(cp->re);
99 ch_free(cp->re);
100 }
101 if (!BER_BVISNULL(&cp->val))
102 ch_free(cp->val.bv_val);
103 if (cp->lud)
104 ldap_free_urldesc(cp->lud);
105 if (cp->attrs)
106 ch_free(cp->attrs);
107 ch_free(cp);
108 }
109
110 static int
111 constraint_cf_gen( ConfigArgs *c )
112 {
113 slap_overinst *on = (slap_overinst *)(c->bi);
114 constraint *cn = on->on_bi.bi_private, *cp;
115 struct berval bv;
116 int i, rc = 0;
117 constraint ap = { NULL, NULL, NULL }, *a2 = NULL;
118 const char *text = NULL;
119
120 switch ( c->op ) {
121 case SLAP_CONFIG_EMIT:
122 switch (c->type) {
123 case CONSTRAINT_ATTRIBUTE:
124 for (cp=cn; cp; cp=cp->ap_next) {
125 int len;
126 char *s;
127 char *tstr = NULL;
128
129 len = cp->ap->ad_cname.bv_len + 3;
130 if (cp->re) {
131 len += STRLENOF(REGEX_STR);
132 tstr = REGEX_STR;
133 } else if (cp->lud) {
134 len += STRLENOF(URI_STR);
135 tstr = URI_STR;
136 } else if (cp->size) {
137 len += STRLENOF(SIZE_STR);
138 tstr = SIZE_STR;
139 } else if (cp->count) {
140 len += STRLENOF(COUNT_STR);
141 tstr = COUNT_STR;
142 }
143 len += cp->val.bv_len;
144
145 s = ch_malloc(len);
146
147 bv.bv_len = snprintf(s, len, "%s %s %s", cp->ap->ad_cname.bv_val,
148 tstr, cp->val.bv_val);
149 bv.bv_val = s;
150 rc = value_add_one( &c->rvalue_vals, &bv );
151 if (rc) return rc;
152 rc = value_add_one( &c->rvalue_nvals, &bv );
153 if (rc) return rc;
154 ch_free(s);
155 }
156 break;
157 default:
158 abort();
159 break;
160 }
161 break;
162 case LDAP_MOD_DELETE:
163 switch (c->type) {
164 case CONSTRAINT_ATTRIBUTE:
165 if (!cn) break; /* nothing to do */
166
167 if (c->valx < 0) {
168 /* zap all constraints */
169 while (cn) {
170 cp = cn->ap_next;
171 constraint_free( cn );
172 cn = cp;
173 }
174
175 on->on_bi.bi_private = NULL;
176 } else {
177 constraint **cpp;
178
179 /* zap constraint numbered 'valx' */
180 for(i=0, cp = cn, cpp = &cn;
181 (cp) && (i<c->valx);
182 i++, cpp = &cp->ap_next, cp = *cpp);
183
184 if (cp) {
185 /* zap cp, and join cpp to cp->ap_next */
186 *cpp = cp->ap_next;
187 constraint_free( cp );
188 }
189 on->on_bi.bi_private = cn;
190 }
191 break;
192
193 default:
194 abort();
195 break;
196 }
197 break;
198 case SLAP_CONFIG_ADD:
199 case LDAP_MOD_ADD:
200 switch (c->type) {
201 case CONSTRAINT_ATTRIBUTE:
202 if ( slap_str2ad( c->argv[1], &ap.ap, &text ) ) {
203 snprintf( c->cr_msg, sizeof( c->cr_msg ),
204 "%s <%s>: %s\n", c->argv[0], c->argv[1], text );
205 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
206 "%s: %s\n", c->log, c->cr_msg, 0 );
207 return( ARG_BAD_CONF );
208 }
209
210 if ( strcasecmp( c->argv[2], REGEX_STR ) == 0) {
211 int err;
212
213 ap.re = ch_malloc( sizeof(regex_t) );
214 if ((err = regcomp( ap.re,
215 c->argv[3], REG_EXTENDED )) != 0) {
216 char errmsg[1024];
217
218 regerror( err, ap.re, errmsg, sizeof(errmsg) );
219 ch_free(ap.re);
220 snprintf( c->cr_msg, sizeof( c->cr_msg ),
221 "%s %s: Illegal regular expression \"%s\": Error %s",
222 c->argv[0], c->argv[1], c->argv[3], errmsg);
223 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
224 "%s: %s\n", c->log, c->cr_msg, 0 );
225 ap.re = NULL;
226 return( ARG_BAD_CONF );
227 }
228 ber_str2bv( c->argv[3], 0, 1, &ap.val );
229 } else if ( strcasecmp( c->argv[2], SIZE_STR ) == 0 ) {
230 size_t size;
231
232 if ( ( size = atoi(c->argv[3]) ) != 0 )
233 ap.size = size;
234 } else if ( strcasecmp( c->argv[2], COUNT_STR ) == 0 ) {
235 size_t count;
236
237 if ( ( count = atoi(c->argv[3]) ) != 0 )
238 ap.count = count;
239 } else if ( strcasecmp( c->argv[2], URI_STR ) == 0 ) {
240 int err;
241
242 err = ldap_url_parse(c->argv[3], &ap.lud);
243 if ( err != LDAP_URL_SUCCESS ) {
244 snprintf( c->cr_msg, sizeof( c->cr_msg ),
245 "%s %s: Invalid URI \"%s\"",
246 c->argv[0], c->argv[1], c->argv[3]);
247 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
248 "%s: %s\n", c->log, c->cr_msg, 0 );
249 return( ARG_BAD_CONF );
250 }
251
252 if (ap.lud->lud_host != NULL) {
253 snprintf( c->cr_msg, sizeof( c->cr_msg ),
254 "%s %s: unsupported hostname in URI \"%s\"",
255 c->argv[0], c->argv[1], c->argv[3]);
256 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
257 "%s: %s\n", c->log, c->cr_msg, 0 );
258
259 ldap_free_urldesc(ap.lud);
260
261 return( ARG_BAD_CONF );
262 }
263
264 for ( i=0; ap.lud->lud_attrs[i]; i++);
265 /* FIXME: This is worthless without at least one attr */
266 if ( i ) {
267 ap.attrs = ch_malloc( (i+1)*sizeof(AttributeDescription *));
268 for ( i=0; ap.lud->lud_attrs[i]; i++) {
269 ap.attrs[i] = NULL;
270 if ( slap_str2ad( ap.lud->lud_attrs[i], &ap.attrs[i], &text ) ) {
271 ch_free( ap.attrs );
272 snprintf( c->cr_msg, sizeof( c->cr_msg ),
273 "%s <%s>: %s\n", c->argv[0], ap.lud->lud_attrs[i], text );
274 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
275 "%s: %s\n", c->log, c->cr_msg, 0 );
276 return( ARG_BAD_CONF );
277 }
278 }
279 ap.attrs[i] = NULL;
280 }
281
282 if (ap.lud->lud_dn == NULL)
283 ap.lud->lud_dn = ch_strdup("");
284
285 if (ap.lud->lud_filter == NULL)
286 ap.lud->lud_filter = ch_strdup("objectClass=*");
287
288 ber_str2bv( c->argv[3], 0, 1, &ap.val );
289 } else {
290 snprintf( c->cr_msg, sizeof( c->cr_msg ),
291 "%s %s: Unknown constraint type: %s",
292 c->argv[0], c->argv[1], c->argv[2] );
293 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE,
294 "%s: %s\n", c->log, c->cr_msg, 0 );
295 return ( ARG_BAD_CONF );
296 }
297
298 a2 = ch_calloc( sizeof(constraint), 1 );
299 a2->ap_next = on->on_bi.bi_private;
300 a2->ap = ap.ap;
301 a2->re = ap.re;
302 a2->val = ap.val;
303 a2->lud = ap.lud;
304 a2->size = ap.size;
305 a2->count = ap.count;
306 if ( a2->lud ) {
307 ber_str2bv(a2->lud->lud_dn, 0, 0, &a2->dn);
308 ber_str2bv(a2->lud->lud_filter, 0, 0, &a2->filter);
309 }
310 a2->attrs = ap.attrs;
311 on->on_bi.bi_private = a2;
312 break;
313 default:
314 abort();
315 break;
316 }
317 break;
318 default:
319 abort();
320 }
321
322 return rc;
323 }
324
325 static int
326 constraint_uri_cb( Operation *op, SlapReply *rs )
327 {
328 if(rs->sr_type == REP_SEARCH) {
329 int *foundp = op->o_callback->sc_private;
330
331 *foundp = 1;
332
333 Debug(LDAP_DEBUG_TRACE, "==> constraint_uri_cb <%s>\n",
334 rs->sr_entry ? rs->sr_entry->e_name.bv_val : "UNKNOWN_DN", 0, 0);
335 }
336 return 0;
337 }
338
339 static int
340 constraint_violation( constraint *c, struct berval *bv, Operation *op, SlapReply *rs)
341 {
342 if ((!c) || (!bv)) return 0;
343
344 if ((c->re) &&
345 (regexec(c->re, bv->bv_val, 0, NULL, 0) == REG_NOMATCH))
346 return 1; /* regular expression violation */
347
348 if ((c->size) && (bv->bv_len > c->size))
349 return 1; /* size violation */
350
351 if (c->lud) {
352 Operation nop = *op;
353 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
354 slap_callback cb;
355 SlapReply nrs = { REP_RESULT };
356 int i;
357 int found;
358 int rc;
359 size_t len;
360 struct berval filterstr;
361 char *ptr;
362
363 found = 0;
364
365 nrs.sr_entry = NULL;
366 nrs.sr_nentries = 0;
367
368 cb.sc_next = NULL;
369 cb.sc_response = constraint_uri_cb;
370 cb.sc_cleanup = NULL;
371 cb.sc_private = &found;
372
373 nop.o_protocol = LDAP_VERSION3;
374 nop.o_tag = LDAP_REQ_SEARCH;
375 nop.o_time = slap_get_time();
376 if (c->lud->lud_dn) {
377 struct berval dn;
378
379 ber_str2bv(c->lud->lud_dn, 0, 0, &dn);
380 nop.o_req_dn = dn;
381 nop.o_req_ndn = dn;
382 nop.o_bd = select_backend(&nop.o_req_ndn, 1 );
383 if (!nop.o_bd || !nop.o_bd->be_search) {
384 return 1; /* unexpected error */
385 }
386 } else {
387 nop.o_req_dn = nop.o_bd->be_nsuffix[0];
388 nop.o_req_ndn = nop.o_bd->be_nsuffix[0];
389 nop.o_bd = on->on_info->oi_origdb;
390 }
391 nop.o_do_not_cache = 1;
392 nop.o_callback = &cb;
393
394 nop.ors_scope = c->lud->lud_scope;
395 nop.ors_deref = LDAP_DEREF_NEVER;
396 nop.ors_slimit = SLAP_NO_LIMIT;
397 nop.ors_tlimit = SLAP_NO_LIMIT;
398 nop.ors_limit = NULL;
399
400 nop.ors_attrsonly = 0;
401 nop.ors_attrs = slap_anlist_no_attrs;
402
403 len = STRLENOF("(&(") +
404 c->filter.bv_len +
405 STRLENOF(")(|");
406
407 for (i = 0; c->attrs[i]; i++) {
408 len += STRLENOF("(") +
409 c->attrs[i]->ad_cname.bv_len +
410 STRLENOF("=") +
411 bv->bv_len +
412 STRLENOF(")");
413 }
414
415 len += STRLENOF("))");
416 filterstr.bv_len = len;
417 filterstr.bv_val = op->o_tmpalloc(len + 1, op->o_tmpmemctx);
418
419 ptr = filterstr.bv_val +
420 snprintf(filterstr.bv_val, len, "(&(%s)(|", c->lud->lud_filter);
421 for (i = 0; c->attrs[i]; i++) {
422 *ptr++ = '(';
423 ptr = lutil_strcopy( ptr, c->attrs[i]->ad_cname.bv_val );
424 *ptr++ = '=';
425 ptr = lutil_strcopy( ptr, bv->bv_val );
426 *ptr++ = ')';
427 }
428 *ptr++ = ')';
429 *ptr++ = ')';
430
431 Debug(LDAP_DEBUG_TRACE,
432 "==> constraint_violation uri filter = %s\n",
433 filterstr.bv_val, 0, 0);
434
435 nop.ors_filterstr = filterstr;
436 nop.ors_filter = str2filter_x(&nop, filterstr.bv_val);
437
438 rc = nop.o_bd->be_search( &nop, &nrs );
439
440 op->o_tmpfree(filterstr.bv_val, op->o_tmpmemctx);
441 Debug(LDAP_DEBUG_TRACE,
442 "==> constraint_violation uri rc = %d, found = %d\n",
443 rc, found, 0);
444
445 if((rc != LDAP_SUCCESS) && (rc != LDAP_NO_SUCH_OBJECT)) {
446 send_ldap_error(op, rs, rc,
447 "constraint_violation uri search failed");
448 return 1; /* unexpected error */
449 }
450
451 if (!found)
452 return 1; /* constraint violation */
453
454 }
455
456 return 0;
457 }
458
459 static char *
460 print_message( struct berval *errtext, AttributeDescription *a )
461 {
462 char *ret;
463 int sz;
464
465 sz = errtext->bv_len + sizeof(" on ") + a->ad_cname.bv_len;
466 ret = ch_malloc(sz);
467 snprintf( ret, sz, "%s on %s", errtext->bv_val, a->ad_cname.bv_val );
468 return ret;
469 }
470
471 static unsigned
472 constraint_count_attr(Entry *e, AttributeDescription *ad)
473 {
474 struct Attribute *a;
475
476 if ((a = attr_find(e->e_attrs, ad)) != NULL)
477 return a->a_numvals;
478 return 0;
479 }
480
481 static int
482 constraint_add( Operation *op, SlapReply *rs )
483 {
484 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
485 Backend *be = op->o_bd;
486 Attribute *a;
487 constraint *c = on->on_bi.bi_private, *cp;
488 BerVarray b = NULL;
489 int i;
490 struct berval rsv = BER_BVC("add breaks constraint");
491 char *msg;
492
493 if ((a = op->ora_e->e_attrs) == NULL) {
494 op->o_bd->bd_info = (BackendInfo *)(on->on_info);
495 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
496 "constraint_add() got null op.ora_e.e_attrs");
497 return(rs->sr_err);
498 }
499
500 for(; a; a = a->a_next ) {
501 /* we don't constrain operational attributes */
502 if (is_at_operational(a->a_desc->ad_type)) continue;
503
504 for(cp = c; cp; cp = cp->ap_next) {
505 if (cp->ap != a->a_desc) continue;
506 if ((b = a->a_vals) == NULL) continue;
507
508 Debug(LDAP_DEBUG_TRACE,
509 "==> constraint_add, "
510 "a->a_numvals = %d, cp->count = %d\n",
511 a->a_numvals, cp->count, 0);
512
513 if ((cp->count != 0) && (a->a_numvals > cp->count))
514 goto add_violation;
515
516 for(i=0; b[i].bv_val; i++)
517 if (constraint_violation( cp, &b[i], op, rs))
518 goto add_violation;
519 }
520 }
521 /* Default is to just fall through to the normal processing */
522 return SLAP_CB_CONTINUE;
523
524 add_violation:
525 op->o_bd->bd_info = (BackendInfo *)(on->on_info);
526 msg = print_message( &rsv, a->a_desc );
527 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION, msg );
528 ch_free(msg);
529 return (rs->sr_err);
530 }
531
532
533 static int
534 constraint_modify( Operation *op, SlapReply *rs )
535 {
536 slap_overinst *on = (slap_overinst *) op->o_bd->bd_info;
537 Backend *be = op->o_bd;
538 constraint *c = on->on_bi.bi_private, *cp;
539 Entry *target_entry = NULL;
540 Modifications *m;
541 BerVarray b = NULL;
542 int i;
543 struct berval rsv = BER_BVC("modify breaks constraint");
544 char *msg;
545
546 Debug( LDAP_DEBUG_CONFIG|LDAP_DEBUG_NONE, "constraint_modify()", 0,0,0);
547 if ((m = op->orm_modlist) == NULL) {
548 op->o_bd->bd_info = (BackendInfo *)(on->on_info);
549 send_ldap_error(op, rs, LDAP_INVALID_SYNTAX,
550 "constraint_modify() got null orm_modlist");
551 return(rs->sr_err);
552 }
553
554 /* Do we need to count attributes? */
555 for(cp = c; cp; cp = cp->ap_next) {
556 if (cp->count != 0) {
557 int rc;
558
559 op->o_bd = on->on_info->oi_origdb;
560 rc = be_entry_get_rw( op, &op->o_req_ndn, NULL, NULL, 0, &target_entry );
561 op->o_bd = be;
562
563 if (rc != 0 || target_entry == NULL) {
564 Debug(LDAP_DEBUG_TRACE,
565 "==> constraint_modify rc = %d\n",
566 rc, 0, 0);
567 goto mod_violation;
568 }
569 break;
570 }
571 }
572
573 for(;m; m = m->sml_next) {
574 int ce = 0;
575
576 /* Get this attribute count, if needed */
577 if (target_entry)
578 ce = constraint_count_attr(target_entry, m->sml_desc);
579
580 if (is_at_operational( m->sml_desc->ad_type )) continue;
581 if ((( m->sml_op & LDAP_MOD_OP ) != LDAP_MOD_ADD) &&
582 (( m->sml_op & LDAP_MOD_OP ) != LDAP_MOD_REPLACE) &&
583 (( m->sml_op & LDAP_MOD_OP ) != LDAP_MOD_DELETE))
584 continue;
585 /* we only care about ADD and REPLACE modifications */
586 /* and DELETE are used to track attribute count */
587 if ((( b = m->sml_values ) == NULL ) || (b[0].bv_val == NULL))
588 continue;
589
590 for(cp = c; cp; cp = cp->ap_next) {
591 if (cp->ap != m->sml_desc) continue;
592
593 if (cp->count != 0) {
594 int ca;
595
596 if (m->sml_op == LDAP_MOD_DELETE)
597 ce = 0;
598
599 for (ca = 0; b[ca].bv_val; ++ca);
600
601 Debug(LDAP_DEBUG_TRACE,
602 "==> constraint_modify ce = %d, "
603 "ca = %d, cp->count = %d\n",
604 ce, ca, cp->count);
605
606 if (m->sml_op == LDAP_MOD_ADD)
607 if (ca + ce > cp->count)
608 goto mod_violation;
609 if (m->sml_op == LDAP_MOD_REPLACE) {
610 if (ca > cp->count)
611 goto mod_violation;
612 ce = ca;
613 }
614 }
615
616 /* DELETE are to be ignored beyond this point */
617 if (( m->sml_op & LDAP_MOD_OP ) == LDAP_MOD_DELETE)
618 continue;
619
620 for(i=0; b[i].bv_val; i++)
621 if (constraint_violation( cp, &b[i], op, rs))
622 goto mod_violation;
623 }
624 }
625
626 if (target_entry) {
627 op->o_bd = on->on_info->oi_origdb;
628 be_entry_release_r(op, target_entry);
629 op->o_bd = be;
630 }
631 return SLAP_CB_CONTINUE;
632 mod_violation:
633 /* violation */
634 if (target_entry) {
635 op->o_bd = on->on_info->oi_origdb;
636 be_entry_release_r(op, target_entry);
637 op->o_bd = be;
638 }
639 op->o_bd->bd_info = (BackendInfo *)(on->on_info);
640 msg = print_message( &rsv, m->sml_desc );
641 send_ldap_error(op, rs, LDAP_CONSTRAINT_VIOLATION, msg );
642 ch_free(msg);
643 return (rs->sr_err);
644 }
645
646 static int
647 constraint_close(
648 BackendDB *be,
649 ConfigReply *cr )
650 {
651 slap_overinst *on = (slap_overinst *) be->bd_info;
652 constraint *ap, *a2;
653
654 for ( ap = on->on_bi.bi_private; ap; ap = a2 ) {
655 a2 = ap->ap_next;
656 constraint_free( ap );
657 }
658
659 return 0;
660 }
661
662 static slap_overinst constraint_ovl;
663
664 #if SLAPD_OVER_CONSTRAINT == SLAPD_MOD_DYNAMIC
665 static
666 #endif
667 int
668 constraint_initialize( void ) {
669 int rc;
670
671 constraint_ovl.on_bi.bi_type = "constraint";
672 constraint_ovl.on_bi.bi_db_close = constraint_close;
673 constraint_ovl.on_bi.bi_op_add = constraint_add;
674 constraint_ovl.on_bi.bi_op_modify = constraint_modify;
675
676 constraint_ovl.on_bi.bi_private = NULL;
677
678 constraint_ovl.on_bi.bi_cf_ocs = constraintocs;
679 rc = config_register_schema( constraintcfg, constraintocs );
680 if (rc) return rc;
681
682 return overlay_register( &constraint_ovl );
683 }
684
685 #if SLAPD_OVER_CONSTRAINT == SLAPD_MOD_DYNAMIC
686 int init_module(int argc, char *argv[]) {
687 return constraint_initialize();
688 }
689 #endif
690
691 #endif /* defined(SLAPD_OVER_CONSTRAINT) */
692
NetBSD on the FriendlyARM MINI2440