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Patrick Welche <prlw1@cam.ac.uk>
[netbsd-mini2440.git] / external / bsd / openldap / dist / servers / slapd / aclparse.c
blob63a8e0d4f355c1496189e55ce875ec384258a430
1 /* aclparse.c - routines to parse and check acl's */
2 /* $OpenLDAP: pkg/ldap/servers/slapd/aclparse.c,v 1.198.2.6 2008/02/11 23:26:43 kurt Exp $ */
3 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
4 *
5 * Copyright 1998-2008 The OpenLDAP Foundation.
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 /* Portions Copyright (c) 1995 Regents of the University of Michigan.
17 * All rights reserved.
18 *
19 * Redistribution and use in source and binary forms are permitted
20 * provided that this notice is preserved and that due credit is given
21 * to the University of Michigan at Ann Arbor. The name of the University
22 * may not be used to endorse or promote products derived from this
23 * software without specific prior written permission. This software
24 * is provided ``as is'' without express or implied warranty.
25 */
26
27 #include "portable.h"
28
29 #include <stdio.h>
30
31 #include <ac/ctype.h>
32 #include <ac/regex.h>
33 #include <ac/socket.h>
34 #include <ac/string.h>
35 #include <ac/unistd.h>
36
37 #include "slap.h"
38 #include "lber_pvt.h"
39 #include "lutil.h"
40
41 static const char style_base[] = "base";
42 const char *style_strings[] = {
43 "regex",
44 "expand",
45 "exact",
46 "one",
47 "subtree",
48 "children",
49 "level",
50 "attrof",
51 "anonymous",
52 "users",
53 "self",
54 "ip",
55 "ipv6",
56 "path",
57 NULL
58 };
59
60 static void split(char *line, int splitchar, char **left, char **right);
61 static void access_append(Access **l, Access *a);
62 static void access_free( Access *a );
63 static int acl_usage(void);
64
65 static void acl_regex_normalized_dn(const char *src, struct berval *pat);
66
67 #ifdef LDAP_DEBUG
68 static void print_acl(Backend *be, AccessControl *a);
69 #endif
70
71 static int check_scope( BackendDB *be, AccessControl *a );
72
73 #ifdef SLAP_DYNACL
74 static int
75 slap_dynacl_config(
76 const char *fname,
77 int lineno,
78 Access *b,
79 const char *name,
80 const char *opts,
81 slap_style_t sty,
82 const char *right )
83 {
84 slap_dynacl_t *da, *tmp;
85 int rc = 0;
86
87 for ( da = b->a_dynacl; da; da = da->da_next ) {
88 if ( strcasecmp( da->da_name, name ) == 0 ) {
89 Debug( LDAP_DEBUG_ANY,
90 "%s: line %d: dynacl \"%s\" already specified.\n",
91 fname, lineno, name );
92 return acl_usage();
93 }
94 }
95
96 da = slap_dynacl_get( name );
97 if ( da == NULL ) {
98 return -1;
99 }
100
101 tmp = ch_malloc( sizeof( slap_dynacl_t ) );
102 *tmp = *da;
103
104 if ( tmp->da_parse ) {
105 rc = ( *tmp->da_parse )( fname, lineno, opts, sty, right, &tmp->da_private );
106 if ( rc ) {
107 ch_free( tmp );
108 return rc;
109 }
110 }
111
112 tmp->da_next = b->a_dynacl;
113 b->a_dynacl = tmp;
114
115 return 0;
116 }
117 #endif /* SLAP_DYNACL */
118
119 static void
120 regtest(const char *fname, int lineno, char *pat) {
121 int e;
122 regex_t re;
123
124 char buf[ SLAP_TEXT_BUFLEN ];
125 unsigned size;
126
127 char *sp;
128 char *dp;
129 int flag;
130
131 sp = pat;
132 dp = buf;
133 size = 0;
134 buf[0] = '\0';
135
136 for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
137 if (flag) {
138 if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
139 *dp++ = *sp;
140 size++;
141 }
142 flag = 0;
143
144 } else {
145 if (*sp == '$') {
146 flag = 1;
147 } else {
148 *dp++ = *sp;
149 size++;
150 }
151 }
152 }
153
154 *dp = '\0';
155 if ( size >= (sizeof(buf) - 1) ) {
156 Debug( LDAP_DEBUG_ANY,
157 "%s: line %d: regular expression \"%s\" too large\n",
158 fname, lineno, pat );
159 (void)acl_usage();
160 exit( EXIT_FAILURE );
161 }
162
163 if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
164 char error[ SLAP_TEXT_BUFLEN ];
165
166 regerror(e, &re, error, sizeof(error));
167
168 snprintf( buf, sizeof( buf ),
169 "regular expression \"%s\" bad because of %s",
170 pat, error );
171 Debug( LDAP_DEBUG_ANY,
172 "%s: line %d: %s\n",
173 fname, lineno, buf );
174 acl_usage();
175 exit( EXIT_FAILURE );
176 }
177 regfree(&re);
178 }
179
180 /*
181 * Experimental
182 *
183 * Check if the pattern of an ACL, if any, matches the scope
184 * of the backend it is defined within.
185 */
186 #define ACL_SCOPE_UNKNOWN (-2)
187 #define ACL_SCOPE_ERR (-1)
188 #define ACL_SCOPE_OK (0)
189 #define ACL_SCOPE_PARTIAL (1)
190 #define ACL_SCOPE_WARN (2)
191
192 static int
193 check_scope( BackendDB *be, AccessControl *a )
194 {
195 ber_len_t patlen;
196 struct berval dn;
197
198 dn = be->be_nsuffix[0];
199
200 if ( BER_BVISEMPTY( &dn ) ) {
201 return ACL_SCOPE_OK;
202 }
203
204 if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
205 a->acl_dn_style != ACL_STYLE_REGEX )
206 {
207 slap_style_t style = a->acl_dn_style;
208
209 if ( style == ACL_STYLE_REGEX ) {
210 char dnbuf[SLAP_LDAPDN_MAXLEN + 2];
211 char rebuf[SLAP_LDAPDN_MAXLEN + 1];
212 ber_len_t rebuflen;
213 regex_t re;
214 int rc;
215
216 /* add trailing '$' to database suffix to form
217 * a simple trial regex pattern "<suffix>$" */
218 AC_MEMCPY( dnbuf, be->be_nsuffix[0].bv_val,
219 be->be_nsuffix[0].bv_len );
220 dnbuf[be->be_nsuffix[0].bv_len] = '$';
221 dnbuf[be->be_nsuffix[0].bv_len + 1] = '\0';
222
223 if ( regcomp( &re, dnbuf, REG_EXTENDED|REG_ICASE ) ) {
224 return ACL_SCOPE_WARN;
225 }
226
227 /* remove trailing ')$', if any, from original
228 * regex pattern */
229 rebuflen = a->acl_dn_pat.bv_len;
230 AC_MEMCPY( rebuf, a->acl_dn_pat.bv_val, rebuflen + 1 );
231 if ( rebuf[rebuflen - 1] == '$' ) {
232 rebuf[--rebuflen] = '\0';
233 }
234 while ( rebuflen > be->be_nsuffix[0].bv_len && rebuf[rebuflen - 1] == ')' ) {
235 rebuf[--rebuflen] = '\0';
236 }
237 if ( rebuflen == be->be_nsuffix[0].bv_len ) {
238 rc = ACL_SCOPE_WARN;
239 goto regex_done;
240 }
241
242 /* not a clear indication of scoping error, though */
243 rc = regexec( &re, rebuf, 0, NULL, 0 )
244 ? ACL_SCOPE_WARN : ACL_SCOPE_OK;
245
246 regex_done:;
247 regfree( &re );
248 return rc;
249 }
250
251 patlen = a->acl_dn_pat.bv_len;
252 /* If backend suffix is longer than pattern,
253 * it is a potential mismatch (in the sense
254 * that a superior naming context could
255 * match */
256 if ( dn.bv_len > patlen ) {
257 /* base is blatantly wrong */
258 if ( style == ACL_STYLE_BASE ) return ACL_SCOPE_ERR;
259
260 /* a style of one can be wrong if there is
261 * more than one level between the suffix
262 * and the pattern */
263 if ( style == ACL_STYLE_ONE ) {
264 ber_len_t rdnlen = 0;
265 int sep = 0;
266
267 if ( patlen > 0 ) {
268 if ( !DN_SEPARATOR( dn.bv_val[dn.bv_len - patlen - 1] )) {
269 return ACL_SCOPE_ERR;
270 }
271 sep = 1;
272 }
273
274 rdnlen = dn_rdnlen( NULL, &dn );
275 if ( rdnlen != dn.bv_len - patlen - sep )
276 return ACL_SCOPE_ERR;
277 }
278
279 /* if the trailing part doesn't match,
280 * then it's an error */
281 if ( strcmp( a->acl_dn_pat.bv_val,
282 &dn.bv_val[dn.bv_len - patlen] ) != 0 )
283 {
284 return ACL_SCOPE_ERR;
285 }
286
287 return ACL_SCOPE_PARTIAL;
288 }
289
290 switch ( style ) {
291 case ACL_STYLE_BASE:
292 case ACL_STYLE_ONE:
293 case ACL_STYLE_CHILDREN:
294 case ACL_STYLE_SUBTREE:
295 break;
296
297 default:
298 assert( 0 );
299 break;
300 }
301
302 if ( dn.bv_len < patlen &&
303 !DN_SEPARATOR( a->acl_dn_pat.bv_val[patlen - dn.bv_len - 1] ))
304 {
305 return ACL_SCOPE_ERR;
306 }
307
308 if ( strcmp( &a->acl_dn_pat.bv_val[patlen - dn.bv_len], dn.bv_val )
309 != 0 )
310 {
311 return ACL_SCOPE_ERR;
312 }
313
314 return ACL_SCOPE_OK;
315 }
316
317 return ACL_SCOPE_UNKNOWN;
318 }
319
320 int
321 parse_acl(
322 Backend *be,
323 const char *fname,
324 int lineno,
325 int argc,
326 char **argv,
327 int pos )
328 {
329 int i;
330 char *left, *right, *style;
331 struct berval bv;
332 AccessControl *a = NULL;
333 Access *b = NULL;
334 int rc;
335 const char *text;
336
337 for ( i = 1; i < argc; i++ ) {
338 /* to clause - select which entries are protected */
339 if ( strcasecmp( argv[i], "to" ) == 0 ) {
340 if ( a != NULL ) {
341 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
342 "only one to clause allowed in access line\n",
343 fname, lineno, 0 );
344 goto fail;
345 }
346 a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
347 for ( ++i; i < argc; i++ ) {
348 if ( strcasecmp( argv[i], "by" ) == 0 ) {
349 i--;
350 break;
351 }
352
353 if ( strcasecmp( argv[i], "*" ) == 0 ) {
354 if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
355 a->acl_dn_style != ACL_STYLE_REGEX )
356 {
357 Debug( LDAP_DEBUG_ANY,
358 "%s: line %d: dn pattern"
359 " already specified in to clause.\n",
360 fname, lineno, 0 );
361 goto fail;
362 }
363
364 ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
365 continue;
366 }
367
368 split( argv[i], '=', &left, &right );
369 split( left, '.', &left, &style );
370
371 if ( right == NULL ) {
372 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
373 "missing \"=\" in \"%s\" in to clause\n",
374 fname, lineno, left );
375 goto fail;
376 }
377
378 if ( strcasecmp( left, "dn" ) == 0 ) {
379 if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
380 a->acl_dn_style != ACL_STYLE_REGEX )
381 {
382 Debug( LDAP_DEBUG_ANY,
383 "%s: line %d: dn pattern"
384 " already specified in to clause.\n",
385 fname, lineno, 0 );
386 goto fail;
387 }
388
389 if ( style == NULL || *style == '\0' ||
390 strcasecmp( style, "baseObject" ) == 0 ||
391 strcasecmp( style, "base" ) == 0 ||
392 strcasecmp( style, "exact" ) == 0 )
393 {
394 a->acl_dn_style = ACL_STYLE_BASE;
395 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
396
397 } else if ( strcasecmp( style, "oneLevel" ) == 0 ||
398 strcasecmp( style, "one" ) == 0 )
399 {
400 a->acl_dn_style = ACL_STYLE_ONE;
401 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
402
403 } else if ( strcasecmp( style, "subtree" ) == 0 ||
404 strcasecmp( style, "sub" ) == 0 )
405 {
406 if( *right == '\0' ) {
407 ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
408
409 } else {
410 a->acl_dn_style = ACL_STYLE_SUBTREE;
411 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
412 }
413
414 } else if ( strcasecmp( style, "children" ) == 0 ) {
415 a->acl_dn_style = ACL_STYLE_CHILDREN;
416 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
417
418 } else if ( strcasecmp( style, "regex" ) == 0 ) {
419 a->acl_dn_style = ACL_STYLE_REGEX;
420
421 if ( *right == '\0' ) {
422 /* empty regex should match empty DN */
423 a->acl_dn_style = ACL_STYLE_BASE;
424 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
425
426 } else if ( strcmp(right, "*") == 0
427 || strcmp(right, ".*") == 0
428 || strcmp(right, ".*$") == 0
429 || strcmp(right, "^.*") == 0
430 || strcmp(right, "^.*$") == 0
431 || strcmp(right, ".*$$") == 0
432 || strcmp(right, "^.*$$") == 0 )
433 {
434 ber_str2bv( "*", STRLENOF("*"), 1, &a->acl_dn_pat );
435
436 } else {
437 acl_regex_normalized_dn( right, &a->acl_dn_pat );
438 }
439
440 } else {
441 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
442 "unknown dn style \"%s\" in to clause\n",
443 fname, lineno, style );
444 goto fail;
445 }
446
447 continue;
448 }
449
450 if ( strcasecmp( left, "filter" ) == 0 ) {
451 if ( (a->acl_filter = str2filter( right )) == NULL ) {
452 Debug( LDAP_DEBUG_ANY,
453 "%s: line %d: bad filter \"%s\" in to clause\n",
454 fname, lineno, right );
455 goto fail;
456 }
457
458 } else if ( strcasecmp( left, "attr" ) == 0 /* TOLERATED */
459 || strcasecmp( left, "attrs" ) == 0 ) /* DOCUMENTED */
460 {
461 if ( strcasecmp( left, "attr" ) == 0 ) {
462 Debug( LDAP_DEBUG_ANY,
463 "%s: line %d: \"attr\" "
464 "is deprecated (and undocumented); "
465 "use \"attrs\" instead.\n",
466 fname, lineno, 0 );
467 }
468
469 a->acl_attrs = str2anlist( a->acl_attrs,
470 right, "," );
471 if ( a->acl_attrs == NULL ) {
472 Debug( LDAP_DEBUG_ANY,
473 "%s: line %d: unknown attr \"%s\" in to clause\n",
474 fname, lineno, right );
475 goto fail;
476 }
477
478 } else if ( strncasecmp( left, "val", 3 ) == 0 ) {
479 struct berval bv;
480 char *mr;
481
482 if ( !BER_BVISEMPTY( &a->acl_attrval ) ) {
483 Debug( LDAP_DEBUG_ANY,
484 "%s: line %d: attr val already specified in to clause.\n",
485 fname, lineno, 0 );
486 goto fail;
487 }
488 if ( a->acl_attrs == NULL || !BER_BVISEMPTY( &a->acl_attrs[1].an_name ) )
489 {
490 Debug( LDAP_DEBUG_ANY,
491 "%s: line %d: attr val requires a single attribute.\n",
492 fname, lineno, 0 );
493 goto fail;
494 }
495
496 ber_str2bv( right, 0, 0, &bv );
497 a->acl_attrval_style = ACL_STYLE_BASE;
498
499 mr = strchr( left, '/' );
500 if ( mr != NULL ) {
501 mr[ 0 ] = '\0';
502 mr++;
503
504 a->acl_attrval_mr = mr_find( mr );
505 if ( a->acl_attrval_mr == NULL ) {
506 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
507 "invalid matching rule \"%s\".\n",
508 fname, lineno, mr );
509 goto fail;
510 }
511
512 if( !mr_usable_with_at( a->acl_attrval_mr, a->acl_attrs[ 0 ].an_desc->ad_type ) )
513 {
514 char buf[ SLAP_TEXT_BUFLEN ];
515
516 snprintf( buf, sizeof( buf ),
517 "matching rule \"%s\" use "
518 "with attr \"%s\" not appropriate.",
519 mr, a->acl_attrs[ 0 ].an_name.bv_val );
520
521
522 Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
523 fname, lineno, buf );
524 goto fail;
525 }
526 }
527
528 if ( style != NULL ) {
529 if ( strcasecmp( style, "regex" ) == 0 ) {
530 int e = regcomp( &a->acl_attrval_re, bv.bv_val,
531 REG_EXTENDED | REG_ICASE | REG_NOSUB );
532 if ( e ) {
533 char err[SLAP_TEXT_BUFLEN],
534 buf[ SLAP_TEXT_BUFLEN ];
535
536 regerror( e, &a->acl_attrval_re, err, sizeof( err ) );
537
538 snprintf( buf, sizeof( buf ),
539 "regular expression \"%s\" bad because of %s",
540 right, err );
541
542 Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
543 fname, lineno, buf );
544 goto fail;
545 }
546 a->acl_attrval_style = ACL_STYLE_REGEX;
547
548 } else {
549 /* FIXME: if the attribute has DN syntax, we might
550 * allow one, subtree and children styles as well */
551 if ( !strcasecmp( style, "base" ) ||
552 !strcasecmp( style, "exact" ) ) {
553 a->acl_attrval_style = ACL_STYLE_BASE;
554
555 } else if ( a->acl_attrs[0].an_desc->ad_type->
556 sat_syntax == slap_schema.si_syn_distinguishedName )
557 {
558 if ( !strcasecmp( style, "baseObject" ) ||
559 !strcasecmp( style, "base" ) )
560 {
561 a->acl_attrval_style = ACL_STYLE_BASE;
562 } else if ( !strcasecmp( style, "onelevel" ) ||
563 !strcasecmp( style, "one" ) )
564 {
565 a->acl_attrval_style = ACL_STYLE_ONE;
566 } else if ( !strcasecmp( style, "subtree" ) ||
567 !strcasecmp( style, "sub" ) )
568 {
569 a->acl_attrval_style = ACL_STYLE_SUBTREE;
570 } else if ( !strcasecmp( style, "children" ) ) {
571 a->acl_attrval_style = ACL_STYLE_CHILDREN;
572 } else {
573 char buf[ SLAP_TEXT_BUFLEN ];
574
575 snprintf( buf, sizeof( buf ),
576 "unknown val.<style> \"%s\" for attributeType \"%s\" "
577 "with DN syntax.",
578 style,
579 a->acl_attrs[0].an_desc->ad_cname.bv_val );
580
581 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
582 "%s: line %d: %s\n",
583 fname, lineno, buf );
584 goto fail;
585 }
586
587 rc = dnNormalize( 0, NULL, NULL, &bv, &a->acl_attrval, NULL );
588 if ( rc != LDAP_SUCCESS ) {
589 char buf[ SLAP_TEXT_BUFLEN ];
590
591 snprintf( buf, sizeof( buf ),
592 "unable to normalize DN \"%s\" "
593 "for attributeType \"%s\" (%d).",
594 bv.bv_val,
595 a->acl_attrs[0].an_desc->ad_cname.bv_val,
596 rc );
597 Debug( LDAP_DEBUG_ANY,
598 "%s: line %d: %s\n",
599 fname, lineno, buf );
600 goto fail;
601 }
602
603 } else {
604 char buf[ SLAP_TEXT_BUFLEN ];
605
606 snprintf( buf, sizeof( buf ),
607 "unknown val.<style> \"%s\" for attributeType \"%s\".",
608 style, a->acl_attrs[0].an_desc->ad_cname.bv_val );
609 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
610 "%s: line %d: %s\n",
611 fname, lineno, buf );
612 goto fail;
613 }
614 }
615 }
616
617 /* Check for appropriate matching rule */
618 if ( a->acl_attrval_style == ACL_STYLE_REGEX ) {
619 ber_dupbv( &a->acl_attrval, &bv );
620
621 } else if ( BER_BVISNULL( &a->acl_attrval ) ) {
622 int rc;
623 const char *text;
624
625 if ( a->acl_attrval_mr == NULL ) {
626 a->acl_attrval_mr = a->acl_attrs[ 0 ].an_desc->ad_type->sat_equality;
627 }
628
629 if ( a->acl_attrval_mr == NULL ) {
630 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
631 "attr \"%s\" does not have an EQUALITY matching rule.\n",
632 fname, lineno, a->acl_attrs[ 0 ].an_name.bv_val );
633 goto fail;
634 }
635
636 rc = asserted_value_validate_normalize(
637 a->acl_attrs[ 0 ].an_desc,
638 a->acl_attrval_mr,
639 SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
640 &bv,
641 &a->acl_attrval,
642 &text,
643 NULL );
644 if ( rc != LDAP_SUCCESS ) {
645 char buf[ SLAP_TEXT_BUFLEN ];
646
647 snprintf( buf, sizeof( buf ), "%s: line %d: "
648 " attr \"%s\" normalization failed (%d: %s)",
649 fname, lineno,
650 a->acl_attrs[ 0 ].an_name.bv_val, rc, text );
651 Debug( LDAP_DEBUG_ANY, "%s: line %d: %s.\n",
652 fname, lineno, buf );
653 goto fail;
654 }
655 }
656
657 } else {
658 Debug( LDAP_DEBUG_ANY,
659 "%s: line %d: expecting <what> got \"%s\"\n",
660 fname, lineno, left );
661 goto fail;
662 }
663 }
664
665 if ( !BER_BVISNULL( &a->acl_dn_pat ) &&
666 ber_bvccmp( &a->acl_dn_pat, '*' ) )
667 {
668 free( a->acl_dn_pat.bv_val );
669 BER_BVZERO( &a->acl_dn_pat );
670 a->acl_dn_style = ACL_STYLE_REGEX;
671 }
672
673 if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
674 a->acl_dn_style != ACL_STYLE_REGEX )
675 {
676 if ( a->acl_dn_style != ACL_STYLE_REGEX ) {
677 struct berval bv;
678 rc = dnNormalize( 0, NULL, NULL, &a->acl_dn_pat, &bv, NULL);
679 if ( rc != LDAP_SUCCESS ) {
680 Debug( LDAP_DEBUG_ANY,
681 "%s: line %d: bad DN \"%s\" in to DN clause\n",
682 fname, lineno, a->acl_dn_pat.bv_val );
683 goto fail;
684 }
685 free( a->acl_dn_pat.bv_val );
686 a->acl_dn_pat = bv;
687
688 } else {
689 int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
690 REG_EXTENDED | REG_ICASE );
691 if ( e ) {
692 char err[ SLAP_TEXT_BUFLEN ],
693 buf[ SLAP_TEXT_BUFLEN ];
694
695 regerror( e, &a->acl_dn_re, err, sizeof( err ) );
696 snprintf( buf, sizeof( buf ),
697 "regular expression \"%s\" bad because of %s",
698 right, err );
699 Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
700 fname, lineno, buf );
701 goto fail;
702 }
703 }
704 }
705
706 /* by clause - select who has what access to entries */
707 } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
708 if ( a == NULL ) {
709 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
710 "to clause required before by clause in access line\n",
711 fname, lineno, 0 );
712 goto fail;
713 }
714
715 /*
716 * by clause consists of <who> and <access>
717 */
718
719 if ( ++i == argc ) {
720 Debug( LDAP_DEBUG_ANY,
721 "%s: line %d: premature EOL: expecting <who>\n",
722 fname, lineno, 0 );
723 goto fail;
724 }
725
726 b = (Access *) ch_calloc( 1, sizeof(Access) );
727
728 ACL_INVALIDATE( b->a_access_mask );
729
730 /* get <who> */
731 for ( ; i < argc; i++ ) {
732 slap_style_t sty = ACL_STYLE_REGEX;
733 char *style_modifier = NULL;
734 char *style_level = NULL;
735 int level = 0;
736 int expand = 0;
737 slap_dn_access *bdn = &b->a_dn;
738 int is_realdn = 0;
739
740 split( argv[i], '=', &left, &right );
741 split( left, '.', &left, &style );
742 if ( style ) {
743 split( style, ',', &style, &style_modifier );
744
745 if ( strncasecmp( style, "level", STRLENOF( "level" ) ) == 0 ) {
746 split( style, '{', &style, &style_level );
747 if ( style_level != NULL ) {
748 char *p = strchr( style_level, '}' );
749 if ( p == NULL ) {
750 Debug( LDAP_DEBUG_ANY,
751 "%s: line %d: premature eol: "
752 "expecting closing '}' in \"level{n}\"\n",
753 fname, lineno, 0 );
754 goto fail;
755 } else if ( p == style_level ) {
756 Debug( LDAP_DEBUG_ANY,
757 "%s: line %d: empty level "
758 "in \"level{n}\"\n",
759 fname, lineno, 0 );
760 goto fail;
761 }
762 p[0] = '\0';
763 }
764 }
765 }
766
767 if ( style == NULL || *style == '\0' ||
768 strcasecmp( style, "exact" ) == 0 ||
769 strcasecmp( style, "baseObject" ) == 0 ||
770 strcasecmp( style, "base" ) == 0 )
771 {
772 sty = ACL_STYLE_BASE;
773
774 } else if ( strcasecmp( style, "onelevel" ) == 0 ||
775 strcasecmp( style, "one" ) == 0 )
776 {
777 sty = ACL_STYLE_ONE;
778
779 } else if ( strcasecmp( style, "subtree" ) == 0 ||
780 strcasecmp( style, "sub" ) == 0 )
781 {
782 sty = ACL_STYLE_SUBTREE;
783
784 } else if ( strcasecmp( style, "children" ) == 0 ) {
785 sty = ACL_STYLE_CHILDREN;
786
787 } else if ( strcasecmp( style, "level" ) == 0 )
788 {
789 if ( lutil_atoi( &level, style_level ) != 0 ) {
790 Debug( LDAP_DEBUG_ANY,
791 "%s: line %d: unable to parse level "
792 "in \"level{n}\"\n",
793 fname, lineno, 0 );
794 goto fail;
795 }
796
797 sty = ACL_STYLE_LEVEL;
798
799 } else if ( strcasecmp( style, "regex" ) == 0 ) {
800 sty = ACL_STYLE_REGEX;
801
802 } else if ( strcasecmp( style, "expand" ) == 0 ) {
803 sty = ACL_STYLE_EXPAND;
804
805 } else if ( strcasecmp( style, "ip" ) == 0 ) {
806 sty = ACL_STYLE_IP;
807
808 } else if ( strcasecmp( style, "ipv6" ) == 0 ) {
809 #ifndef LDAP_PF_INET6
810 Debug( LDAP_DEBUG_ANY,
811 "%s: line %d: IPv6 not supported\n",
812 fname, lineno, 0 );
813 #endif /* ! LDAP_PF_INET6 */
814 sty = ACL_STYLE_IPV6;
815
816 } else if ( strcasecmp( style, "path" ) == 0 ) {
817 sty = ACL_STYLE_PATH;
818 #ifndef LDAP_PF_LOCAL
819 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
820 "%s: line %d: "
821 "\"path\" style modifier is useless without local.\n",
822 fname, lineno, 0 );
823 goto fail;
824 #endif /* LDAP_PF_LOCAL */
825
826 } else {
827 Debug( LDAP_DEBUG_ANY,
828 "%s: line %d: unknown style \"%s\" in by clause\n",
829 fname, lineno, style );
830 goto fail;
831 }
832
833 if ( style_modifier &&
834 strcasecmp( style_modifier, "expand" ) == 0 )
835 {
836 switch ( sty ) {
837 case ACL_STYLE_REGEX:
838 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
839 "\"regex\" style implies \"expand\" modifier.\n",
840 fname, lineno, 0 );
841 goto fail;
842 break;
843
844 case ACL_STYLE_EXPAND:
845 break;
846
847 default:
848 /* we'll see later if it's pertinent */
849 expand = 1;
850 break;
851 }
852 }
853
854 /* expand in <who> needs regex in <what> */
855 if ( ( sty == ACL_STYLE_EXPAND || expand )
856 && a->acl_dn_style != ACL_STYLE_REGEX )
857 {
858 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL, "%s: line %d: \"expand\" style "
859 "or modifier used in conjunction with a non-regex <what> clause.\n",
860 fname, lineno, 0 );
861 goto fail;
862 }
863
864 if ( strncasecmp( left, "real", STRLENOF( "real" ) ) == 0 ) {
865 is_realdn = 1;
866 bdn = &b->a_realdn;
867 left += STRLENOF( "real" );
868 }
869
870 if ( strcasecmp( left, "*" ) == 0 ) {
871 if ( is_realdn ) {
872 goto fail;
873 }
874
875 ber_str2bv( "*", STRLENOF( "*" ), 1, &bv );
876 sty = ACL_STYLE_REGEX;
877
878 } else if ( strcasecmp( left, "anonymous" ) == 0 ) {
879 ber_str2bv("anonymous", STRLENOF( "anonymous" ), 1, &bv);
880 sty = ACL_STYLE_ANONYMOUS;
881
882 } else if ( strcasecmp( left, "users" ) == 0 ) {
883 ber_str2bv("users", STRLENOF( "users" ), 1, &bv);
884 sty = ACL_STYLE_USERS;
885
886 } else if ( strcasecmp( left, "self" ) == 0 ) {
887 ber_str2bv("self", STRLENOF( "self" ), 1, &bv);
888 sty = ACL_STYLE_SELF;
889
890 } else if ( strcasecmp( left, "dn" ) == 0 ) {
891 if ( sty == ACL_STYLE_REGEX ) {
892 bdn->a_style = ACL_STYLE_REGEX;
893 if ( right == NULL ) {
894 /* no '=' */
895 ber_str2bv("users",
896 STRLENOF( "users" ),
897 1, &bv);
898 bdn->a_style = ACL_STYLE_USERS;
899
900 } else if (*right == '\0' ) {
901 /* dn="" */
902 ber_str2bv("anonymous",
903 STRLENOF( "anonymous" ),
904 1, &bv);
905 bdn->a_style = ACL_STYLE_ANONYMOUS;
906
907 } else if ( strcmp( right, "*" ) == 0 ) {
908 /* dn=* */
909 /* any or users? users for now */
910 ber_str2bv("users",
911 STRLENOF( "users" ),
912 1, &bv);
913 bdn->a_style = ACL_STYLE_USERS;
914
915 } else if ( strcmp( right, ".+" ) == 0
916 || strcmp( right, "^.+" ) == 0
917 || strcmp( right, ".+$" ) == 0
918 || strcmp( right, "^.+$" ) == 0
919 || strcmp( right, ".+$$" ) == 0
920 || strcmp( right, "^.+$$" ) == 0 )
921 {
922 ber_str2bv("users",
923 STRLENOF( "users" ),
924 1, &bv);
925 bdn->a_style = ACL_STYLE_USERS;
926
927 } else if ( strcmp( right, ".*" ) == 0
928 || strcmp( right, "^.*" ) == 0
929 || strcmp( right, ".*$" ) == 0
930 || strcmp( right, "^.*$" ) == 0
931 || strcmp( right, ".*$$" ) == 0
932 || strcmp( right, "^.*$$" ) == 0 )
933 {
934 ber_str2bv("*",
935 STRLENOF( "*" ),
936 1, &bv);
937
938 } else {
939 acl_regex_normalized_dn( right, &bv );
940 if ( !ber_bvccmp( &bv, '*' ) ) {
941 regtest( fname, lineno, bv.bv_val );
942 }
943 }
944
945 } else if ( right == NULL || *right == '\0' ) {
946 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
947 "missing \"=\" in (or value after) \"%s\" "
948 "in by clause\n",
949 fname, lineno, left );
950 goto fail;
951
952 } else {
953 ber_str2bv( right, 0, 1, &bv );
954 }
955
956 } else {
957 BER_BVZERO( &bv );
958 }
959
960 if ( !BER_BVISNULL( &bv ) ) {
961 if ( !BER_BVISEMPTY( &bdn->a_pat ) ) {
962 Debug( LDAP_DEBUG_ANY,
963 "%s: line %d: dn pattern already specified.\n",
964 fname, lineno, 0 );
965 goto fail;
966 }
967
968 if ( sty != ACL_STYLE_REGEX &&
969 sty != ACL_STYLE_ANONYMOUS &&
970 sty != ACL_STYLE_USERS &&
971 sty != ACL_STYLE_SELF &&
972 expand == 0 )
973 {
974 rc = dnNormalize(0, NULL, NULL,
975 &bv, &bdn->a_pat, NULL);
976 if ( rc != LDAP_SUCCESS ) {
977 Debug( LDAP_DEBUG_ANY,
978 "%s: line %d: bad DN \"%s\" in by DN clause\n",
979 fname, lineno, bv.bv_val );
980 goto fail;
981 }
982 free( bv.bv_val );
983 if ( sty == ACL_STYLE_BASE
984 && be != NULL
985 && !BER_BVISNULL( &be->be_rootndn )
986 && dn_match( &bdn->a_pat, &be->be_rootndn ) )
987 {
988 Debug( LDAP_DEBUG_ANY,
989 "%s: line %d: rootdn is always granted "
990 "unlimited privileges.\n",
991 fname, lineno, 0 );
992 }
993
994 } else {
995 bdn->a_pat = bv;
996 }
997 bdn->a_style = sty;
998 if ( expand ) {
999 char *exp;
1000 int gotit = 0;
1001
1002 for ( exp = strchr( bdn->a_pat.bv_val, '$' );
1003 exp && (ber_len_t)(exp - bdn->a_pat.bv_val)
1004 < bdn->a_pat.bv_len;
1005 exp = strchr( exp, '$' ) )
1006 {
1007 if ( isdigit( (unsigned char) exp[ 1 ] ) ) {
1008 gotit = 1;
1009 break;
1010 }
1011 }
1012
1013 if ( gotit == 1 ) {
1014 bdn->a_expand = expand;
1015
1016 } else {
1017 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1018 "\"expand\" used with no expansions in \"pattern\".\n",
1019 fname, lineno, 0 );
1020 goto fail;
1021 }
1022 }
1023 if ( sty == ACL_STYLE_SELF ) {
1024 bdn->a_self_level = level;
1025
1026 } else {
1027 if ( level < 0 ) {
1028 Debug( LDAP_DEBUG_ANY,
1029 "%s: line %d: bad negative level \"%d\" "
1030 "in by DN clause\n",
1031 fname, lineno, level );
1032 goto fail;
1033 } else if ( level == 1 ) {
1034 Debug( LDAP_DEBUG_ANY,
1035 "%s: line %d: \"onelevel\" should be used "
1036 "instead of \"level{1}\" in by DN clause\n",
1037 fname, lineno, 0 );
1038 } else if ( level == 0 && sty == ACL_STYLE_LEVEL ) {
1039 Debug( LDAP_DEBUG_ANY,
1040 "%s: line %d: \"base\" should be used "
1041 "instead of \"level{0}\" in by DN clause\n",
1042 fname, lineno, 0 );
1043 }
1044
1045 bdn->a_level = level;
1046 }
1047 continue;
1048 }
1049
1050 if ( strcasecmp( left, "dnattr" ) == 0 ) {
1051 if ( right == NULL || right[0] == '\0' ) {
1052 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1053 "missing \"=\" in (or value after) \"%s\" "
1054 "in by clause\n",
1055 fname, lineno, left );
1056 goto fail;
1057 }
1058
1059 if( bdn->a_at != NULL ) {
1060 Debug( LDAP_DEBUG_ANY,
1061 "%s: line %d: dnattr already specified.\n",
1062 fname, lineno, 0 );
1063 goto fail;
1064 }
1065
1066 rc = slap_str2ad( right, &bdn->a_at, &text );
1067
1068 if( rc != LDAP_SUCCESS ) {
1069 char buf[ SLAP_TEXT_BUFLEN ];
1070
1071 snprintf( buf, sizeof( buf ),
1072 "dnattr \"%s\": %s",
1073 right, text );
1074 Debug( LDAP_DEBUG_ANY,
1075 "%s: line %d: %s\n",
1076 fname, lineno, buf );
1077 goto fail;
1078 }
1079
1080
1081 if( !is_at_syntax( bdn->a_at->ad_type,
1082 SLAPD_DN_SYNTAX ) &&
1083 !is_at_syntax( bdn->a_at->ad_type,
1084 SLAPD_NAMEUID_SYNTAX ))
1085 {
1086 char buf[ SLAP_TEXT_BUFLEN ];
1087
1088 snprintf( buf, sizeof( buf ),
1089 "dnattr \"%s\": "
1090 "inappropriate syntax: %s\n",
1091 right,
1092 bdn->a_at->ad_type->sat_syntax_oid );
1093 Debug( LDAP_DEBUG_ANY,
1094 "%s: line %d: %s\n",
1095 fname, lineno, buf );
1096 goto fail;
1097 }
1098
1099 if( bdn->a_at->ad_type->sat_equality == NULL ) {
1100 Debug( LDAP_DEBUG_ANY,
1101 "%s: line %d: dnattr \"%s\": "
1102 "inappropriate matching (no EQUALITY)\n",
1103 fname, lineno, right );
1104 goto fail;
1105 }
1106
1107 continue;
1108 }
1109
1110 if ( strncasecmp( left, "group", STRLENOF( "group" ) ) == 0 ) {
1111 char *name = NULL;
1112 char *value = NULL;
1113 char *attr_name = SLAPD_GROUP_ATTR;
1114
1115 switch ( sty ) {
1116 case ACL_STYLE_REGEX:
1117 /* legacy, tolerated */
1118 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
1119 "%s: line %d: "
1120 "deprecated group style \"regex\"; "
1121 "use \"expand\" instead.\n",
1122 fname, lineno, 0 );
1123 sty = ACL_STYLE_EXPAND;
1124 break;
1125
1126 case ACL_STYLE_BASE:
1127 /* legal, traditional */
1128 case ACL_STYLE_EXPAND:
1129 /* legal, substring expansion; supersedes regex */
1130 break;
1131
1132 default:
1133 /* unknown */
1134 Debug( LDAP_DEBUG_ANY,
1135 "%s: line %d: "
1136 "inappropriate style \"%s\" in by clause.\n",
1137 fname, lineno, style );
1138 goto fail;
1139 }
1140
1141 if ( right == NULL || right[0] == '\0' ) {
1142 Debug( LDAP_DEBUG_ANY,
1143 "%s: line %d: "
1144 "missing \"=\" in (or value after) \"%s\" "
1145 "in by clause.\n",
1146 fname, lineno, left );
1147 goto fail;
1148 }
1149
1150 if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
1151 Debug( LDAP_DEBUG_ANY,
1152 "%s: line %d: group pattern already specified.\n",
1153 fname, lineno, 0 );
1154 goto fail;
1155 }
1156
1157 /* format of string is
1158 "group/objectClassValue/groupAttrName" */
1159 if ( ( value = strchr(left, '/') ) != NULL ) {
1160 *value++ = '\0';
1161 if ( *value && ( name = strchr( value, '/' ) ) != NULL ) {
1162 *name++ = '\0';
1163 }
1164 }
1165
1166 b->a_group_style = sty;
1167 if ( sty == ACL_STYLE_EXPAND ) {
1168 acl_regex_normalized_dn( right, &bv );
1169 if ( !ber_bvccmp( &bv, '*' ) ) {
1170 regtest( fname, lineno, bv.bv_val );
1171 }
1172 b->a_group_pat = bv;
1173
1174 } else {
1175 ber_str2bv( right, 0, 0, &bv );
1176 rc = dnNormalize( 0, NULL, NULL, &bv,
1177 &b->a_group_pat, NULL );
1178 if ( rc != LDAP_SUCCESS ) {
1179 Debug( LDAP_DEBUG_ANY,
1180 "%s: line %d: bad DN \"%s\".\n",
1181 fname, lineno, right );
1182 goto fail;
1183 }
1184 }
1185
1186 if ( value && *value ) {
1187 b->a_group_oc = oc_find( value );
1188 *--value = '/';
1189
1190 if ( b->a_group_oc == NULL ) {
1191 Debug( LDAP_DEBUG_ANY,
1192 "%s: line %d: group objectclass "
1193 "\"%s\" unknown.\n",
1194 fname, lineno, value );
1195 goto fail;
1196 }
1197
1198 } else {
1199 b->a_group_oc = oc_find( SLAPD_GROUP_CLASS );
1200
1201 if( b->a_group_oc == NULL ) {
1202 Debug( LDAP_DEBUG_ANY,
1203 "%s: line %d: group default objectclass "
1204 "\"%s\" unknown.\n",
1205 fname, lineno, SLAPD_GROUP_CLASS );
1206 goto fail;
1207 }
1208 }
1209
1210 if ( is_object_subclass( slap_schema.si_oc_referral,
1211 b->a_group_oc ) )
1212 {
1213 Debug( LDAP_DEBUG_ANY,
1214 "%s: line %d: group objectclass \"%s\" "
1215 "is subclass of referral.\n",
1216 fname, lineno, value );
1217 goto fail;
1218 }
1219
1220 if ( is_object_subclass( slap_schema.si_oc_alias,
1221 b->a_group_oc ) )
1222 {
1223 Debug( LDAP_DEBUG_ANY,
1224 "%s: line %d: group objectclass \"%s\" "
1225 "is subclass of alias.\n",
1226 fname, lineno, value );
1227 goto fail;
1228 }
1229
1230 if ( name && *name ) {
1231 attr_name = name;
1232 *--name = '/';
1233
1234 }
1235
1236 rc = slap_str2ad( attr_name, &b->a_group_at, &text );
1237 if ( rc != LDAP_SUCCESS ) {
1238 char buf[ SLAP_TEXT_BUFLEN ];
1239
1240 snprintf( buf, sizeof( buf ),
1241 "group \"%s\": %s.",
1242 right, text );
1243 Debug( LDAP_DEBUG_ANY,
1244 "%s: line %d: %s\n",
1245 fname, lineno, buf );
1246 goto fail;
1247 }
1248
1249 if ( !is_at_syntax( b->a_group_at->ad_type,
1250 SLAPD_DN_SYNTAX ) /* e.g. "member" */
1251 && !is_at_syntax( b->a_group_at->ad_type,
1252 SLAPD_NAMEUID_SYNTAX ) /* e.g. memberUID */
1253 && !is_at_subtype( b->a_group_at->ad_type,
1254 slap_schema.si_ad_labeledURI->ad_type ) /* e.g. memberURL */ )
1255 {
1256 char buf[ SLAP_TEXT_BUFLEN ];
1257
1258 snprintf( buf, sizeof( buf ),
1259 "group \"%s\" attr \"%s\": inappropriate syntax: %s; "
1260 "must be " SLAPD_DN_SYNTAX " (DN), "
1261 SLAPD_NAMEUID_SYNTAX " (NameUID) "
1262 "or a subtype of labeledURI.",
1263 right,
1264 attr_name,
1265 at_syntax( b->a_group_at->ad_type ) );
1266 Debug( LDAP_DEBUG_ANY,
1267 "%s: line %d: %s\n",
1268 fname, lineno, buf );
1269 goto fail;
1270 }
1271
1272
1273 {
1274 int rc;
1275 ObjectClass *ocs[2];
1276
1277 ocs[0] = b->a_group_oc;
1278 ocs[1] = NULL;
1279
1280 rc = oc_check_allowed( b->a_group_at->ad_type,
1281 ocs, NULL );
1282
1283 if( rc != 0 ) {
1284 char buf[ SLAP_TEXT_BUFLEN ];
1285
1286 snprintf( buf, sizeof( buf ),
1287 "group: \"%s\" not allowed by \"%s\".",
1288 b->a_group_at->ad_cname.bv_val,
1289 b->a_group_oc->soc_oid );
1290 Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
1291 fname, lineno, buf );
1292 goto fail;
1293 }
1294 }
1295 continue;
1296 }
1297
1298 if ( strcasecmp( left, "peername" ) == 0 ) {
1299 switch ( sty ) {
1300 case ACL_STYLE_REGEX:
1301 case ACL_STYLE_BASE:
1302 /* legal, traditional */
1303 case ACL_STYLE_EXPAND:
1304 /* cheap replacement to regex for simple expansion */
1305 case ACL_STYLE_IP:
1306 case ACL_STYLE_IPV6:
1307 case ACL_STYLE_PATH:
1308 /* legal, peername specific */
1309 break;
1310
1311 default:
1312 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1313 "inappropriate style \"%s\" in by clause.\n",
1314 fname, lineno, style );
1315 goto fail;
1316 }
1317
1318 if ( right == NULL || right[0] == '\0' ) {
1319 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1320 "missing \"=\" in (or value after) \"%s\" "
1321 "in by clause.\n",
1322 fname, lineno, left );
1323 goto fail;
1324 }
1325
1326 if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
1327 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1328 "peername pattern already specified.\n",
1329 fname, lineno, 0 );
1330 goto fail;
1331 }
1332
1333 b->a_peername_style = sty;
1334 if ( sty == ACL_STYLE_REGEX ) {
1335 acl_regex_normalized_dn( right, &bv );
1336 if ( !ber_bvccmp( &bv, '*' ) ) {
1337 regtest( fname, lineno, bv.bv_val );
1338 }
1339 b->a_peername_pat = bv;
1340
1341 } else {
1342 ber_str2bv( right, 0, 1, &b->a_peername_pat );
1343
1344 if ( sty == ACL_STYLE_IP ) {
1345 char *addr = NULL,
1346 *mask = NULL,
1347 *port = NULL;
1348
1349 split( right, '{', &addr, &port );
1350 split( addr, '%', &addr, &mask );
1351
1352 b->a_peername_addr = inet_addr( addr );
1353 if ( b->a_peername_addr == (unsigned long)(-1) ) {
1354 /* illegal address */
1355 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1356 "illegal peername address \"%s\".\n",
1357 fname, lineno, addr );
1358 goto fail;
1359 }
1360
1361 b->a_peername_mask = (unsigned long)(-1);
1362 if ( mask != NULL ) {
1363 b->a_peername_mask = inet_addr( mask );
1364 if ( b->a_peername_mask ==
1365 (unsigned long)(-1) )
1366 {
1367 /* illegal mask */
1368 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1369 "illegal peername address mask "
1370 "\"%s\".\n",
1371 fname, lineno, mask );
1372 goto fail;
1373 }
1374 }
1375
1376 b->a_peername_port = -1;
1377 if ( port ) {
1378 char *end = NULL;
1379
1380 b->a_peername_port = strtol( port, &end, 10 );
1381 if ( end == port || end[0] != '}' ) {
1382 /* illegal port */
1383 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1384 "illegal peername port specification "
1385 "\"{%s}\".\n",
1386 fname, lineno, port );
1387 goto fail;
1388 }
1389 }
1390
1391 #ifdef LDAP_PF_INET6
1392 } else if ( sty == ACL_STYLE_IPV6 ) {
1393 char *addr = NULL,
1394 *mask = NULL,
1395 *port = NULL;
1396
1397 split( right, '{', &addr, &port );
1398 split( addr, '%', &addr, &mask );
1399
1400 if ( inet_pton( AF_INET6, addr, &b->a_peername_addr6 ) != 1 ) {
1401 /* illegal address */
1402 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1403 "illegal peername address \"%s\".\n",
1404 fname, lineno, addr );
1405 goto fail;
1406 }
1407
1408 if ( mask == NULL ) {
1409 mask = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
1410 }
1411
1412 if ( inet_pton( AF_INET6, mask, &b->a_peername_mask6 ) != 1 ) {
1413 /* illegal mask */
1414 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1415 "illegal peername address mask "
1416 "\"%s\".\n",
1417 fname, lineno, mask );
1418 goto fail;
1419 }
1420
1421 b->a_peername_port = -1;
1422 if ( port ) {
1423 char *end = NULL;
1424
1425 b->a_peername_port = strtol( port, &end, 10 );
1426 if ( end == port || end[0] != '}' ) {
1427 /* illegal port */
1428 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1429 "illegal peername port specification "
1430 "\"{%s}\".\n",
1431 fname, lineno, port );
1432 goto fail;
1433 }
1434 }
1435 #endif /* LDAP_PF_INET6 */
1436 }
1437 }
1438 continue;
1439 }
1440
1441 if ( strcasecmp( left, "sockname" ) == 0 ) {
1442 switch ( sty ) {
1443 case ACL_STYLE_REGEX:
1444 case ACL_STYLE_BASE:
1445 /* legal, traditional */
1446 case ACL_STYLE_EXPAND:
1447 /* cheap replacement to regex for simple expansion */
1448 break;
1449
1450 default:
1451 /* unknown */
1452 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1453 "inappropriate style \"%s\" in by clause\n",
1454 fname, lineno, style );
1455 goto fail;
1456 }
1457
1458 if ( right == NULL || right[0] == '\0' ) {
1459 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1460 "missing \"=\" in (or value after) \"%s\" "
1461 "in by clause\n",
1462 fname, lineno, left );
1463 goto fail;
1464 }
1465
1466 if ( !BER_BVISNULL( &b->a_sockname_pat ) ) {
1467 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1468 "sockname pattern already specified.\n",
1469 fname, lineno, 0 );
1470 goto fail;
1471 }
1472
1473 b->a_sockname_style = sty;
1474 if ( sty == ACL_STYLE_REGEX ) {
1475 acl_regex_normalized_dn( right, &bv );
1476 if ( !ber_bvccmp( &bv, '*' ) ) {
1477 regtest( fname, lineno, bv.bv_val );
1478 }
1479 b->a_sockname_pat = bv;
1480
1481 } else {
1482 ber_str2bv( right, 0, 1, &b->a_sockname_pat );
1483 }
1484 continue;
1485 }
1486
1487 if ( strcasecmp( left, "domain" ) == 0 ) {
1488 switch ( sty ) {
1489 case ACL_STYLE_REGEX:
1490 case ACL_STYLE_BASE:
1491 case ACL_STYLE_SUBTREE:
1492 /* legal, traditional */
1493 break;
1494
1495 case ACL_STYLE_EXPAND:
1496 /* tolerated: means exact,expand */
1497 if ( expand ) {
1498 Debug( LDAP_DEBUG_ANY,
1499 "%s: line %d: "
1500 "\"expand\" modifier "
1501 "with \"expand\" style.\n",
1502 fname, lineno, 0 );
1503 }
1504 sty = ACL_STYLE_BASE;
1505 expand = 1;
1506 break;
1507
1508 default:
1509 /* unknown */
1510 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1511 "inappropriate style \"%s\" in by clause.\n",
1512 fname, lineno, style );
1513 goto fail;
1514 }
1515
1516 if ( right == NULL || right[0] == '\0' ) {
1517 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1518 "missing \"=\" in (or value after) \"%s\" "
1519 "in by clause.\n",
1520 fname, lineno, left );
1521 goto fail;
1522 }
1523
1524 if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
1525 Debug( LDAP_DEBUG_ANY,
1526 "%s: line %d: domain pattern already specified.\n",
1527 fname, lineno, 0 );
1528 goto fail;
1529 }
1530
1531 b->a_domain_style = sty;
1532 b->a_domain_expand = expand;
1533 if ( sty == ACL_STYLE_REGEX ) {
1534 acl_regex_normalized_dn( right, &bv );
1535 if ( !ber_bvccmp( &bv, '*' ) ) {
1536 regtest( fname, lineno, bv.bv_val );
1537 }
1538 b->a_domain_pat = bv;
1539
1540 } else {
1541 ber_str2bv( right, 0, 1, &b->a_domain_pat );
1542 }
1543 continue;
1544 }
1545
1546 if ( strcasecmp( left, "sockurl" ) == 0 ) {
1547 switch ( sty ) {
1548 case ACL_STYLE_REGEX:
1549 case ACL_STYLE_BASE:
1550 /* legal, traditional */
1551 case ACL_STYLE_EXPAND:
1552 /* cheap replacement to regex for simple expansion */
1553 break;
1554
1555 default:
1556 /* unknown */
1557 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1558 "inappropriate style \"%s\" in by clause.\n",
1559 fname, lineno, style );
1560 goto fail;
1561 }
1562
1563 if ( right == NULL || right[0] == '\0' ) {
1564 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1565 "missing \"=\" in (or value after) \"%s\" "
1566 "in by clause.\n",
1567 fname, lineno, left );
1568 goto fail;
1569 }
1570
1571 if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
1572 Debug( LDAP_DEBUG_ANY,
1573 "%s: line %d: sockurl pattern already specified.\n",
1574 fname, lineno, 0 );
1575 goto fail;
1576 }
1577
1578 b->a_sockurl_style = sty;
1579 if ( sty == ACL_STYLE_REGEX ) {
1580 acl_regex_normalized_dn( right, &bv );
1581 if ( !ber_bvccmp( &bv, '*' ) ) {
1582 regtest( fname, lineno, bv.bv_val );
1583 }
1584 b->a_sockurl_pat = bv;
1585
1586 } else {
1587 ber_str2bv( right, 0, 1, &b->a_sockurl_pat );
1588 }
1589 continue;
1590 }
1591
1592 if ( strcasecmp( left, "set" ) == 0 ) {
1593 switch ( sty ) {
1594 /* deprecated */
1595 case ACL_STYLE_REGEX:
1596 Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
1597 "%s: line %d: "
1598 "deprecated set style "
1599 "\"regex\" in <by> clause; "
1600 "use \"expand\" instead.\n",
1601 fname, lineno, 0 );
1602 sty = ACL_STYLE_EXPAND;
1603 /* FALLTHRU */
1604
1605 case ACL_STYLE_BASE:
1606 case ACL_STYLE_EXPAND:
1607 break;
1608
1609 default:
1610 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1611 "inappropriate style \"%s\" in by clause.\n",
1612 fname, lineno, style );
1613 goto fail;
1614 }
1615
1616 if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
1617 Debug( LDAP_DEBUG_ANY,
1618 "%s: line %d: set attribute already specified.\n",
1619 fname, lineno, 0 );
1620 goto fail;
1621 }
1622
1623 if ( right == NULL || *right == '\0' ) {
1624 Debug( LDAP_DEBUG_ANY,
1625 "%s: line %d: no set is defined.\n",
1626 fname, lineno, 0 );
1627 goto fail;
1628 }
1629
1630 b->a_set_style = sty;
1631 ber_str2bv( right, 0, 1, &b->a_set_pat );
1632
1633 continue;
1634 }
1635
1636 #ifdef SLAP_DYNACL
1637 {
1638 char *name = NULL,
1639 *opts = NULL;
1640
1641 #if 1 /* tolerate legacy "aci" <who> */
1642 if ( strcasecmp( left, "aci" ) == 0 ) {
1643 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1644 "undocumented deprecated \"aci\" directive "
1645 "is superseded by \"dynacl/aci\".\n",
1646 fname, lineno, 0 );
1647 name = "aci";
1648
1649 } else
1650 #endif /* tolerate legacy "aci" <who> */
1651 if ( strncasecmp( left, "dynacl/", STRLENOF( "dynacl/" ) ) == 0 ) {
1652 name = &left[ STRLENOF( "dynacl/" ) ];
1653 opts = strchr( name, '/' );
1654 if ( opts ) {
1655 opts[ 0 ] = '\0';
1656 opts++;
1657 }
1658 }
1659
1660 if ( name ) {
1661 if ( slap_dynacl_config( fname, lineno, b, name, opts, sty, right ) ) {
1662 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1663 "unable to configure dynacl \"%s\".\n",
1664 fname, lineno, name );
1665 goto fail;
1666 }
1667
1668 continue;
1669 }
1670 }
1671 #endif /* SLAP_DYNACL */
1672
1673 if ( strcasecmp( left, "ssf" ) == 0 ) {
1674 if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1675 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1676 "inappropriate style \"%s\" in by clause.\n",
1677 fname, lineno, style );
1678 goto fail;
1679 }
1680
1681 if ( b->a_authz.sai_ssf ) {
1682 Debug( LDAP_DEBUG_ANY,
1683 "%s: line %d: ssf attribute already specified.\n",
1684 fname, lineno, 0 );
1685 goto fail;
1686 }
1687
1688 if ( right == NULL || *right == '\0' ) {
1689 Debug( LDAP_DEBUG_ANY,
1690 "%s: line %d: no ssf is defined.\n",
1691 fname, lineno, 0 );
1692 goto fail;
1693 }
1694
1695 if ( lutil_atou( &b->a_authz.sai_ssf, right ) != 0 ) {
1696 Debug( LDAP_DEBUG_ANY,
1697 "%s: line %d: unable to parse ssf value (%s).\n",
1698 fname, lineno, right );
1699 goto fail;
1700 }
1701
1702 if ( !b->a_authz.sai_ssf ) {
1703 Debug( LDAP_DEBUG_ANY,
1704 "%s: line %d: invalid ssf value (%s).\n",
1705 fname, lineno, right );
1706 goto fail;
1707 }
1708 continue;
1709 }
1710
1711 if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
1712 if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1713 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1714 "inappropriate style \"%s\" in by clause.\n",
1715 fname, lineno, style );
1716 goto fail;
1717 }
1718
1719 if ( b->a_authz.sai_transport_ssf ) {
1720 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1721 "transport_ssf attribute already specified.\n",
1722 fname, lineno, 0 );
1723 goto fail;
1724 }
1725
1726 if ( right == NULL || *right == '\0' ) {
1727 Debug( LDAP_DEBUG_ANY,
1728 "%s: line %d: no transport_ssf is defined.\n",
1729 fname, lineno, 0 );
1730 goto fail;
1731 }
1732
1733 if ( lutil_atou( &b->a_authz.sai_transport_ssf, right ) != 0 ) {
1734 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1735 "unable to parse transport_ssf value (%s).\n",
1736 fname, lineno, right );
1737 goto fail;
1738 }
1739
1740 if ( !b->a_authz.sai_transport_ssf ) {
1741 Debug( LDAP_DEBUG_ANY,
1742 "%s: line %d: invalid transport_ssf value (%s).\n",
1743 fname, lineno, right );
1744 goto fail;
1745 }
1746 continue;
1747 }
1748
1749 if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
1750 if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1751 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1752 "inappropriate style \"%s\" in by clause.\n",
1753 fname, lineno, style );
1754 goto fail;
1755 }
1756
1757 if ( b->a_authz.sai_tls_ssf ) {
1758 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1759 "tls_ssf attribute already specified.\n",
1760 fname, lineno, 0 );
1761 goto fail;
1762 }
1763
1764 if ( right == NULL || *right == '\0' ) {
1765 Debug( LDAP_DEBUG_ANY,
1766 "%s: line %d: no tls_ssf is defined\n",
1767 fname, lineno, 0 );
1768 goto fail;
1769 }
1770
1771 if ( lutil_atou( &b->a_authz.sai_tls_ssf, right ) != 0 ) {
1772 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1773 "unable to parse tls_ssf value (%s).\n",
1774 fname, lineno, right );
1775 goto fail;
1776 }
1777
1778 if ( !b->a_authz.sai_tls_ssf ) {
1779 Debug( LDAP_DEBUG_ANY,
1780 "%s: line %d: invalid tls_ssf value (%s).\n",
1781 fname, lineno, right );
1782 goto fail;
1783 }
1784 continue;
1785 }
1786
1787 if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
1788 if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
1789 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1790 "inappropriate style \"%s\" in by clause.\n",
1791 fname, lineno, style );
1792 goto fail;
1793 }
1794
1795 if ( b->a_authz.sai_sasl_ssf ) {
1796 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1797 "sasl_ssf attribute already specified.\n",
1798 fname, lineno, 0 );
1799 goto fail;
1800 }
1801
1802 if ( right == NULL || *right == '\0' ) {
1803 Debug( LDAP_DEBUG_ANY,
1804 "%s: line %d: no sasl_ssf is defined.\n",
1805 fname, lineno, 0 );
1806 goto fail;
1807 }
1808
1809 if ( lutil_atou( &b->a_authz.sai_sasl_ssf, right ) != 0 ) {
1810 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1811 "unable to parse sasl_ssf value (%s).\n",
1812 fname, lineno, right );
1813 goto fail;
1814 }
1815
1816 if ( !b->a_authz.sai_sasl_ssf ) {
1817 Debug( LDAP_DEBUG_ANY,
1818 "%s: line %d: invalid sasl_ssf value (%s).\n",
1819 fname, lineno, right );
1820 goto fail;
1821 }
1822 continue;
1823 }
1824
1825 if ( right != NULL ) {
1826 /* unsplit */
1827 right[-1] = '=';
1828 }
1829 break;
1830 }
1831
1832 if ( i == argc || ( strcasecmp( left, "stop" ) == 0 ) ) {
1833 /* out of arguments or plain stop */
1834
1835 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1836 ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
1837 b->a_type = ACL_STOP;
1838
1839 access_append( &a->acl_access, b );
1840 continue;
1841 }
1842
1843 if ( strcasecmp( left, "continue" ) == 0 ) {
1844 /* plain continue */
1845
1846 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1847 ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
1848 b->a_type = ACL_CONTINUE;
1849
1850 access_append( &a->acl_access, b );
1851 continue;
1852 }
1853
1854 if ( strcasecmp( left, "break" ) == 0 ) {
1855 /* plain continue */
1856
1857 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
1858 ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
1859 b->a_type = ACL_BREAK;
1860
1861 access_append( &a->acl_access, b );
1862 continue;
1863 }
1864
1865 if ( strcasecmp( left, "by" ) == 0 ) {
1866 /* we've gone too far */
1867 --i;
1868 ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
1869 ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
1870 b->a_type = ACL_STOP;
1871
1872 access_append( &a->acl_access, b );
1873 continue;
1874 }
1875
1876 /* get <access> */
1877 {
1878 char *lleft = left;
1879
1880 if ( strncasecmp( left, "self", STRLENOF( "self" ) ) == 0 ) {
1881 b->a_dn_self = 1;
1882 lleft = &left[ STRLENOF( "self" ) ];
1883
1884 } else if ( strncasecmp( left, "realself", STRLENOF( "realself" ) ) == 0 ) {
1885 b->a_realdn_self = 1;
1886 lleft = &left[ STRLENOF( "realself" ) ];
1887 }
1888
1889 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( lleft ) );
1890 }
1891
1892 if ( ACL_IS_INVALID( b->a_access_mask ) ) {
1893 Debug( LDAP_DEBUG_ANY,
1894 "%s: line %d: expecting <access> got \"%s\".\n",
1895 fname, lineno, left );
1896 goto fail;
1897 }
1898
1899 b->a_type = ACL_STOP;
1900
1901 if ( ++i == argc ) {
1902 /* out of arguments or plain stop */
1903 access_append( &a->acl_access, b );
1904 continue;
1905 }
1906
1907 if ( strcasecmp( argv[i], "continue" ) == 0 ) {
1908 /* plain continue */
1909 b->a_type = ACL_CONTINUE;
1910
1911 } else if ( strcasecmp( argv[i], "break" ) == 0 ) {
1912 /* plain continue */
1913 b->a_type = ACL_BREAK;
1914
1915 } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
1916 /* gone to far */
1917 i--;
1918 }
1919
1920 access_append( &a->acl_access, b );
1921 b = NULL;
1922
1923 } else {
1924 Debug( LDAP_DEBUG_ANY,
1925 "%s: line %d: expecting \"to\" "
1926 "or \"by\" got \"%s\"\n",
1927 fname, lineno, argv[i] );
1928 goto fail;
1929 }
1930 }
1931
1932 /* if we have no real access clause, complain and do nothing */
1933 if ( a == NULL ) {
1934 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1935 "warning: no access clause(s) specified in access line.\n",
1936 fname, lineno, 0 );
1937 goto fail;
1938
1939 } else {
1940 #ifdef LDAP_DEBUG
1941 if ( slap_debug & LDAP_DEBUG_ACL ) {
1942 print_acl( be, a );
1943 }
1944 #endif
1945
1946 if ( a->acl_access == NULL ) {
1947 Debug( LDAP_DEBUG_ANY, "%s: line %d: "
1948 "warning: no by clause(s) specified in access line.\n",
1949 fname, lineno, 0 );
1950 goto fail;
1951 }
1952
1953 if ( be != NULL ) {
1954 if ( be->be_nsuffix == NULL ) {
1955 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1956 "scope checking needs suffix before ACLs.\n",
1957 fname, lineno, 0 );
1958 /* go ahead, since checking is not authoritative */
1959 } else if ( !BER_BVISNULL( &be->be_nsuffix[ 1 ] ) ) {
1960 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1961 "scope checking only applies to single-valued "
1962 "suffix databases\n",
1963 fname, lineno, 0 );
1964 /* go ahead, since checking is not authoritative */
1965 } else {
1966 switch ( check_scope( be, a ) ) {
1967 case ACL_SCOPE_UNKNOWN:
1968 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1969 "cannot assess the validity of the ACL scope within "
1970 "backend naming context\n",
1971 fname, lineno, 0 );
1972 break;
1973
1974 case ACL_SCOPE_WARN:
1975 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1976 "ACL could be out of scope within backend naming context\n",
1977 fname, lineno, 0 );
1978 break;
1979
1980 case ACL_SCOPE_PARTIAL:
1981 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1982 "ACL appears to be partially out of scope within "
1983 "backend naming context\n",
1984 fname, lineno, 0 );
1985 break;
1986
1987 case ACL_SCOPE_ERR:
1988 Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
1989 "ACL appears to be out of scope within "
1990 "backend naming context\n",
1991 fname, lineno, 0 );
1992 break;
1993
1994 default:
1995 break;
1996 }
1997 }
1998 acl_append( &be->be_acl, a, pos );
1999
2000 } else {
2001 acl_append( &frontendDB->be_acl, a, pos );
2002 }
2003 }
2004
2005 return 0;
2006
2007 fail:
2008 if ( b ) access_free( b );
2009 if ( a ) acl_free( a );
2010 return acl_usage();
2011 }
2012
2013 char *
2014 accessmask2str( slap_mask_t mask, char *buf, int debug )
2015 {
2016 int none = 1;
2017 char *ptr = buf;
2018
2019 assert( buf != NULL );
2020
2021 if ( ACL_IS_INVALID( mask ) ) {
2022 return "invalid";
2023 }
2024
2025 buf[0] = '\0';
2026
2027 if ( ACL_IS_LEVEL( mask ) ) {
2028 if ( ACL_LVL_IS_NONE(mask) ) {
2029 ptr = lutil_strcopy( ptr, "none" );
2030
2031 } else if ( ACL_LVL_IS_DISCLOSE(mask) ) {
2032 ptr = lutil_strcopy( ptr, "disclose" );
2033
2034 } else if ( ACL_LVL_IS_AUTH(mask) ) {
2035 ptr = lutil_strcopy( ptr, "auth" );
2036
2037 } else if ( ACL_LVL_IS_COMPARE(mask) ) {
2038 ptr = lutil_strcopy( ptr, "compare" );
2039
2040 } else if ( ACL_LVL_IS_SEARCH(mask) ) {
2041 ptr = lutil_strcopy( ptr, "search" );
2042
2043 } else if ( ACL_LVL_IS_READ(mask) ) {
2044 ptr = lutil_strcopy( ptr, "read" );
2045
2046 } else if ( ACL_LVL_IS_WRITE(mask) ) {
2047 ptr = lutil_strcopy( ptr, "write" );
2048
2049 } else if ( ACL_LVL_IS_WADD(mask) ) {
2050 ptr = lutil_strcopy( ptr, "add" );
2051
2052 } else if ( ACL_LVL_IS_WDEL(mask) ) {
2053 ptr = lutil_strcopy( ptr, "delete" );
2054
2055 } else if ( ACL_LVL_IS_MANAGE(mask) ) {
2056 ptr = lutil_strcopy( ptr, "manage" );
2057
2058 } else {
2059 ptr = lutil_strcopy( ptr, "unknown" );
2060 }
2061
2062 if ( !debug ) {
2063 *ptr = '\0';
2064 return buf;
2065 }
2066 *ptr++ = '(';
2067 }
2068
2069 if( ACL_IS_ADDITIVE( mask ) ) {
2070 *ptr++ = '+';
2071
2072 } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
2073 *ptr++ = '-';
2074
2075 } else {
2076 *ptr++ = '=';
2077 }
2078
2079 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_MANAGE) ) {
2080 none = 0;
2081 *ptr++ = 'm';
2082 }
2083
2084 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
2085 none = 0;
2086 *ptr++ = 'w';
2087
2088 } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WADD) ) {
2089 none = 0;
2090 *ptr++ = 'a';
2091
2092 } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WDEL) ) {
2093 none = 0;
2094 *ptr++ = 'z';
2095 }
2096
2097 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
2098 none = 0;
2099 *ptr++ = 'r';
2100 }
2101
2102 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
2103 none = 0;
2104 *ptr++ = 's';
2105 }
2106
2107 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
2108 none = 0;
2109 *ptr++ = 'c';
2110 }
2111
2112 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
2113 none = 0;
2114 *ptr++ = 'x';
2115 }
2116
2117 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_DISCLOSE) ) {
2118 none = 0;
2119 *ptr++ = 'd';
2120 }
2121
2122 if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
2123 none = 0;
2124 *ptr++ = '0';
2125 }
2126
2127 if ( none ) {
2128 ptr = buf;
2129 }
2130
2131 if ( ACL_IS_LEVEL( mask ) ) {
2132 *ptr++ = ')';
2133 }
2134
2135 *ptr = '\0';
2136
2137 return buf;
2138 }
2139
2140 slap_mask_t
2141 str2accessmask( const char *str )
2142 {
2143 slap_mask_t mask;
2144
2145 if( !ASCII_ALPHA(str[0]) ) {
2146 int i;
2147
2148 if ( str[0] == '=' ) {
2149 ACL_INIT(mask);
2150
2151 } else if( str[0] == '+' ) {
2152 ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
2153
2154 } else if( str[0] == '-' ) {
2155 ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
2156
2157 } else {
2158 ACL_INVALIDATE(mask);
2159 return mask;
2160 }
2161
2162 for( i=1; str[i] != '\0'; i++ ) {
2163 if( TOLOWER((unsigned char) str[i]) == 'm' ) {
2164 ACL_PRIV_SET(mask, ACL_PRIV_MANAGE);
2165
2166 } else if( TOLOWER((unsigned char) str[i]) == 'w' ) {
2167 ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
2168
2169 } else if( TOLOWER((unsigned char) str[i]) == 'a' ) {
2170 ACL_PRIV_SET(mask, ACL_PRIV_WADD);
2171
2172 } else if( TOLOWER((unsigned char) str[i]) == 'z' ) {
2173 ACL_PRIV_SET(mask, ACL_PRIV_WDEL);
2174
2175 } else if( TOLOWER((unsigned char) str[i]) == 'r' ) {
2176 ACL_PRIV_SET(mask, ACL_PRIV_READ);
2177
2178 } else if( TOLOWER((unsigned char) str[i]) == 's' ) {
2179 ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
2180
2181 } else if( TOLOWER((unsigned char) str[i]) == 'c' ) {
2182 ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
2183
2184 } else if( TOLOWER((unsigned char) str[i]) == 'x' ) {
2185 ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
2186
2187 } else if( TOLOWER((unsigned char) str[i]) == 'd' ) {
2188 ACL_PRIV_SET(mask, ACL_PRIV_DISCLOSE);
2189
2190 } else if( str[i] == '0' ) {
2191 ACL_PRIV_SET(mask, ACL_PRIV_NONE);
2192
2193 } else {
2194 ACL_INVALIDATE(mask);
2195 return mask;
2196 }
2197 }
2198
2199 return mask;
2200 }
2201
2202 if ( strcasecmp( str, "none" ) == 0 ) {
2203 ACL_LVL_ASSIGN_NONE(mask);
2204
2205 } else if ( strcasecmp( str, "disclose" ) == 0 ) {
2206 ACL_LVL_ASSIGN_DISCLOSE(mask);
2207
2208 } else if ( strcasecmp( str, "auth" ) == 0 ) {
2209 ACL_LVL_ASSIGN_AUTH(mask);
2210
2211 } else if ( strcasecmp( str, "compare" ) == 0 ) {
2212 ACL_LVL_ASSIGN_COMPARE(mask);
2213
2214 } else if ( strcasecmp( str, "search" ) == 0 ) {
2215 ACL_LVL_ASSIGN_SEARCH(mask);
2216
2217 } else if ( strcasecmp( str, "read" ) == 0 ) {
2218 ACL_LVL_ASSIGN_READ(mask);
2219
2220 } else if ( strcasecmp( str, "add" ) == 0 ) {
2221 ACL_LVL_ASSIGN_WADD(mask);
2222
2223 } else if ( strcasecmp( str, "delete" ) == 0 ) {
2224 ACL_LVL_ASSIGN_WDEL(mask);
2225
2226 } else if ( strcasecmp( str, "write" ) == 0 ) {
2227 ACL_LVL_ASSIGN_WRITE(mask);
2228
2229 } else if ( strcasecmp( str, "manage" ) == 0 ) {
2230 ACL_LVL_ASSIGN_MANAGE(mask);
2231
2232 } else {
2233 ACL_INVALIDATE( mask );
2234 }
2235
2236 return mask;
2237 }
2238
2239 static int
2240 acl_usage( void )
2241 {
2242 char *access =
2243 "<access clause> ::= access to <what> "
2244 "[ by <who> [ <access> ] [ <control> ] ]+ \n";
2245 char *what =
2246 "<what> ::= * | dn[.<dnstyle>=<DN>] [filter=<filter>] [attrs=<attrspec>]\n"
2247 "<attrspec> ::= <attrname> [val[/<matchingRule>][.<attrstyle>]=<value>] | <attrlist>\n"
2248 "<attrlist> ::= <attr> [ , <attrlist> ]\n"
2249 "<attr> ::= <attrname> | @<objectClass> | !<objectClass> | entry | children\n";
2250
2251 char *who =
2252 "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<DN> ]\n"
2253 "\t[ realanonymous | realusers | realself | realdn[.<dnstyle>]=<DN> ]\n"
2254 "\t[dnattr=<attrname>]\n"
2255 "\t[realdnattr=<attrname>]\n"
2256 "\t[group[/<objectclass>[/<attrname>]][.<style>]=<group>]\n"
2257 "\t[peername[.<peernamestyle>]=<peer>] [sockname[.<style>]=<name>]\n"
2258 "\t[domain[.<domainstyle>]=<domain>] [sockurl[.<style>]=<url>]\n"
2259 #ifdef SLAP_DYNACL
2260 "\t[dynacl/<name>[/<options>][.<dynstyle>][=<pattern>]]\n"
2261 #endif /* SLAP_DYNACL */
2262 "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
2263 "<style> ::= exact | regex | base(Object)\n"
2264 "<dnstyle> ::= base(Object) | one(level) | sub(tree) | children | "
2265 "exact | regex\n"
2266 "<attrstyle> ::= exact | regex | base(Object) | one(level) | "
2267 "sub(tree) | children\n"
2268 "<peernamestyle> ::= exact | regex | ip | ipv6 | path\n"
2269 "<domainstyle> ::= exact | regex | base(Object) | sub(tree)\n"
2270 "<access> ::= [[real]self]{<level>|<priv>}\n"
2271 "<level> ::= none|disclose|auth|compare|search|read|{write|add|delete}|manage\n"
2272 "<priv> ::= {=|+|-}{0|d|x|c|s|r|{w|a|z}|m}+\n"
2273 "<control> ::= [ stop | continue | break ]\n"
2274 #ifdef SLAP_DYNACL
2275 #ifdef SLAPD_ACI_ENABLED
2276 "dynacl:\n"
2277 "\t<name>=ACI\t<pattern>=<attrname>\n"
2278 #endif /* SLAPD_ACI_ENABLED */
2279 #endif /* ! SLAP_DYNACL */
2280 "";
2281
2282 Debug( LDAP_DEBUG_ANY, "%s%s%s\n", access, what, who );
2283
2284 return 1;
2285 }
2286
2287 /*
2288 * Set pattern to a "normalized" DN from src.
2289 * At present it simply eats the (optional) space after
2290 * a RDN separator (,)
2291 * Eventually will evolve in a more complete normalization
2292 */
2293 static void
2294 acl_regex_normalized_dn(
2295 const char *src,
2296 struct berval *pattern )
2297 {
2298 char *str, *p;
2299 ber_len_t len;
2300
2301 str = ch_strdup( src );
2302 len = strlen( src );
2303
2304 for ( p = str; p && p[0]; p++ ) {
2305 /* escape */
2306 if ( p[0] == '\\' && p[1] ) {
2307 /*
2308 * if escaping a hex pair we should
2309 * increment p twice; however, in that
2310 * case the second hex number does
2311 * no harm
2312 */
2313 p++;
2314 }
2315
2316 if ( p[0] == ',' && p[1] == ' ' ) {
2317 char *q;
2318
2319 /*
2320 * too much space should be an error if we are pedantic
2321 */
2322 for ( q = &p[2]; q[0] == ' '; q++ ) {
2323 /* DO NOTHING */ ;
2324 }
2325 AC_MEMCPY( p+1, q, len-(q-str)+1);
2326 }
2327 }
2328 pattern->bv_val = str;
2329 pattern->bv_len = p - str;
2330
2331 return;
2332 }
2333
2334 static void
2335 split(
2336 char *line,
2337 int splitchar,
2338 char **left,
2339 char **right )
2340 {
2341 *left = line;
2342 if ( (*right = strchr( line, splitchar )) != NULL ) {
2343 *((*right)++) = '\0';
2344 }
2345 }
2346
2347 static void
2348 access_append( Access **l, Access *a )
2349 {
2350 for ( ; *l != NULL; l = &(*l)->a_next ) {
2351 ; /* Empty */
2352 }
2353
2354 *l = a;
2355 }
2356
2357 void
2358 acl_append( AccessControl **l, AccessControl *a, int pos )
2359 {
2360 int i;
2361
2362 for (i=0 ; i != pos && *l != NULL; l = &(*l)->acl_next, i++ ) {
2363 ; /* Empty */
2364 }
2365 if ( *l && a )
2366 a->acl_next = *l;
2367 *l = a;
2368 }
2369
2370 static void
2371 access_free( Access *a )
2372 {
2373 if ( !BER_BVISNULL( &a->a_dn_pat ) ) {
2374 free( a->a_dn_pat.bv_val );
2375 }
2376 if ( !BER_BVISNULL( &a->a_realdn_pat ) ) {
2377 free( a->a_realdn_pat.bv_val );
2378 }
2379 if ( !BER_BVISNULL( &a->a_peername_pat ) ) {
2380 free( a->a_peername_pat.bv_val );
2381 }
2382 if ( !BER_BVISNULL( &a->a_sockname_pat ) ) {
2383 free( a->a_sockname_pat.bv_val );
2384 }
2385 if ( !BER_BVISNULL( &a->a_domain_pat ) ) {
2386 free( a->a_domain_pat.bv_val );
2387 }
2388 if ( !BER_BVISNULL( &a->a_sockurl_pat ) ) {
2389 free( a->a_sockurl_pat.bv_val );
2390 }
2391 if ( !BER_BVISNULL( &a->a_set_pat ) ) {
2392 free( a->a_set_pat.bv_val );
2393 }
2394 if ( !BER_BVISNULL( &a->a_group_pat ) ) {
2395 free( a->a_group_pat.bv_val );
2396 }
2397 #ifdef SLAP_DYNACL
2398 if ( a->a_dynacl != NULL ) {
2399 slap_dynacl_t *da;
2400 for ( da = a->a_dynacl; da; ) {
2401 slap_dynacl_t *tmp = da;
2402
2403 da = da->da_next;
2404
2405 if ( tmp->da_destroy ) {
2406 tmp->da_destroy( tmp->da_private );
2407 }
2408
2409 ch_free( tmp );
2410 }
2411 }
2412 #endif /* SLAP_DYNACL */
2413 free( a );
2414 }
2415
2416 void
2417 acl_free( AccessControl *a )
2418 {
2419 Access *n;
2420 AttributeName *an;
2421
2422 if ( a->acl_filter ) {
2423 filter_free( a->acl_filter );
2424 }
2425 if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
2426 if ( a->acl_dn_style == ACL_STYLE_REGEX ) {
2427 regfree( &a->acl_dn_re );
2428 }
2429 free ( a->acl_dn_pat.bv_val );
2430 }
2431 if ( a->acl_attrs ) {
2432 for ( an = a->acl_attrs; !BER_BVISNULL( &an->an_name ); an++ ) {
2433 free( an->an_name.bv_val );
2434 }
2435 free( a->acl_attrs );
2436
2437 if ( a->acl_attrval_style == ACL_STYLE_REGEX ) {
2438 regfree( &a->acl_attrval_re );
2439 }
2440
2441 if ( !BER_BVISNULL( &a->acl_attrval ) ) {
2442 ber_memfree( a->acl_attrval.bv_val );
2443 }
2444 }
2445 for ( ; a->acl_access; a->acl_access = n ) {
2446 n = a->acl_access->a_next;
2447 access_free( a->acl_access );
2448 }
2449 free( a );
2450 }
2451
2452 /* Because backend_startup uses acl_append to tack on the global_acl to
2453 * the end of each backend's acl, we cannot just take one argument and
2454 * merrily free our way to the end of the list. backend_destroy calls us
2455 * with the be_acl in arg1, and global_acl in arg2 to give us a stopping
2456 * point. config_destroy calls us with global_acl in arg1 and NULL in
2457 * arg2, so we then proceed to polish off the global_acl.
2458 */
2459 void
2460 acl_destroy( AccessControl *a, AccessControl *end )
2461 {
2462 AccessControl *n;
2463
2464 for ( ; a && a != end; a = n ) {
2465 n = a->acl_next;
2466 acl_free( a );
2467 }
2468 }
2469
2470 char *
2471 access2str( slap_access_t access )
2472 {
2473 if ( access == ACL_NONE ) {
2474 return "none";
2475
2476 } else if ( access == ACL_DISCLOSE ) {
2477 return "disclose";
2478
2479 } else if ( access == ACL_AUTH ) {
2480 return "auth";
2481
2482 } else if ( access == ACL_COMPARE ) {
2483 return "compare";
2484
2485 } else if ( access == ACL_SEARCH ) {
2486 return "search";
2487
2488 } else if ( access == ACL_READ ) {
2489 return "read";
2490
2491 } else if ( access == ACL_WRITE ) {
2492 return "write";
2493
2494 } else if ( access == ACL_WADD ) {
2495 return "add";
2496
2497 } else if ( access == ACL_WDEL ) {
2498 return "delete";
2499
2500 } else if ( access == ACL_MANAGE ) {
2501 return "manage";
2502
2503 }
2504
2505 return "unknown";
2506 }
2507
2508 slap_access_t
2509 str2access( const char *str )
2510 {
2511 if ( strcasecmp( str, "none" ) == 0 ) {
2512 return ACL_NONE;
2513
2514 } else if ( strcasecmp( str, "disclose" ) == 0 ) {
2515 return ACL_DISCLOSE;
2516
2517 } else if ( strcasecmp( str, "auth" ) == 0 ) {
2518 return ACL_AUTH;
2519
2520 } else if ( strcasecmp( str, "compare" ) == 0 ) {
2521 return ACL_COMPARE;
2522
2523 } else if ( strcasecmp( str, "search" ) == 0 ) {
2524 return ACL_SEARCH;
2525
2526 } else if ( strcasecmp( str, "read" ) == 0 ) {
2527 return ACL_READ;
2528
2529 } else if ( strcasecmp( str, "write" ) == 0 ) {
2530 return ACL_WRITE;
2531
2532 } else if ( strcasecmp( str, "add" ) == 0 ) {
2533 return ACL_WADD;
2534
2535 } else if ( strcasecmp( str, "delete" ) == 0 ) {
2536 return ACL_WDEL;
2537
2538 } else if ( strcasecmp( str, "manage" ) == 0 ) {
2539 return ACL_MANAGE;
2540 }
2541
2542 return( ACL_INVALID_ACCESS );
2543 }
2544
2545 #define ACLBUF_MAXLEN 8192
2546
2547 static char aclbuf[ACLBUF_MAXLEN];
2548
2549 static char *
2550 dnaccess2text( slap_dn_access *bdn, char *ptr, int is_realdn )
2551 {
2552 *ptr++ = ' ';
2553
2554 if ( is_realdn ) {
2555 ptr = lutil_strcopy( ptr, "real" );
2556 }
2557
2558 if ( ber_bvccmp( &bdn->a_pat, '*' ) ||
2559 bdn->a_style == ACL_STYLE_ANONYMOUS ||
2560 bdn->a_style == ACL_STYLE_USERS ||
2561 bdn->a_style == ACL_STYLE_SELF )
2562 {
2563 if ( is_realdn ) {
2564 assert( ! ber_bvccmp( &bdn->a_pat, '*' ) );
2565 }
2566
2567 ptr = lutil_strcopy( ptr, bdn->a_pat.bv_val );
2568 if ( bdn->a_style == ACL_STYLE_SELF && bdn->a_self_level != 0 ) {
2569 int n = sprintf( ptr, ".level{%d}", bdn->a_self_level );
2570 if ( n > 0 ) {
2571 ptr += n;
2572 } /* else ? */
2573 }
2574
2575 } else {
2576 ptr = lutil_strcopy( ptr, "dn." );
2577 if ( bdn->a_style == ACL_STYLE_BASE )
2578 ptr = lutil_strcopy( ptr, style_base );
2579 else
2580 ptr = lutil_strcopy( ptr, style_strings[bdn->a_style] );
2581 if ( bdn->a_style == ACL_STYLE_LEVEL ) {
2582 int n = sprintf( ptr, "{%d}", bdn->a_level );
2583 if ( n > 0 ) {
2584 ptr += n;
2585 } /* else ? */
2586 }
2587 if ( bdn->a_expand ) {
2588 ptr = lutil_strcopy( ptr, ",expand" );
2589 }
2590 *ptr++ = '=';
2591 *ptr++ = '"';
2592 ptr = lutil_strcopy( ptr, bdn->a_pat.bv_val );
2593 *ptr++ = '"';
2594 }
2595 return ptr;
2596 }
2597
2598 static char *
2599 access2text( Access *b, char *ptr )
2600 {
2601 char maskbuf[ACCESSMASK_MAXLEN];
2602
2603 ptr = lutil_strcopy( ptr, "\tby" );
2604
2605 if ( !BER_BVISEMPTY( &b->a_dn_pat ) ) {
2606 ptr = dnaccess2text( &b->a_dn, ptr, 0 );
2607 }
2608 if ( b->a_dn_at ) {
2609 ptr = lutil_strcopy( ptr, " dnattr=" );
2610 ptr = lutil_strcopy( ptr, b->a_dn_at->ad_cname.bv_val );
2611 }
2612
2613 if ( !BER_BVISEMPTY( &b->a_realdn_pat ) ) {
2614 ptr = dnaccess2text( &b->a_realdn, ptr, 1 );
2615 }
2616 if ( b->a_realdn_at ) {
2617 ptr = lutil_strcopy( ptr, " realdnattr=" );
2618 ptr = lutil_strcopy( ptr, b->a_realdn_at->ad_cname.bv_val );
2619 }
2620
2621 if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
2622 ptr = lutil_strcopy( ptr, " group/" );
2623 ptr = lutil_strcopy( ptr, b->a_group_oc ?
2624 b->a_group_oc->soc_cname.bv_val : SLAPD_GROUP_CLASS );
2625 *ptr++ = '/';
2626 ptr = lutil_strcopy( ptr, b->a_group_at ?
2627 b->a_group_at->ad_cname.bv_val : SLAPD_GROUP_ATTR );
2628 *ptr++ = '.';
2629 ptr = lutil_strcopy( ptr, style_strings[b->a_group_style] );
2630 *ptr++ = '=';
2631 *ptr++ = '"';
2632 ptr = lutil_strcopy( ptr, b->a_group_pat.bv_val );
2633 *ptr++ = '"';
2634 }
2635
2636 if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
2637 ptr = lutil_strcopy( ptr, " peername" );
2638 *ptr++ = '.';
2639 ptr = lutil_strcopy( ptr, style_strings[b->a_peername_style] );
2640 *ptr++ = '=';
2641 *ptr++ = '"';
2642 ptr = lutil_strcopy( ptr, b->a_peername_pat.bv_val );
2643 *ptr++ = '"';
2644 }
2645
2646 if ( !BER_BVISEMPTY( &b->a_sockname_pat ) ) {
2647 ptr = lutil_strcopy( ptr, " sockname" );
2648 *ptr++ = '.';
2649 ptr = lutil_strcopy( ptr, style_strings[b->a_sockname_style] );
2650 *ptr++ = '=';
2651 *ptr++ = '"';
2652 ptr = lutil_strcopy( ptr, b->a_sockname_pat.bv_val );
2653 *ptr++ = '"';
2654 }
2655
2656 if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
2657 ptr = lutil_strcopy( ptr, " domain" );
2658 *ptr++ = '.';
2659 ptr = lutil_strcopy( ptr, style_strings[b->a_domain_style] );
2660 if ( b->a_domain_expand ) {
2661 ptr = lutil_strcopy( ptr, ",expand" );
2662 }
2663 *ptr++ = '=';
2664 ptr = lutil_strcopy( ptr, b->a_domain_pat.bv_val );
2665 }
2666
2667 if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
2668 ptr = lutil_strcopy( ptr, " sockurl" );
2669 *ptr++ = '.';
2670 ptr = lutil_strcopy( ptr, style_strings[b->a_sockurl_style] );
2671 *ptr++ = '=';
2672 *ptr++ = '"';
2673 ptr = lutil_strcopy( ptr, b->a_sockurl_pat.bv_val );
2674 *ptr++ = '"';
2675 }
2676
2677 if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
2678 ptr = lutil_strcopy( ptr, " set" );
2679 *ptr++ = '.';
2680 ptr = lutil_strcopy( ptr, style_strings[b->a_set_style] );
2681 *ptr++ = '=';
2682 *ptr++ = '"';
2683 ptr = lutil_strcopy( ptr, b->a_set_pat.bv_val );
2684 *ptr++ = '"';
2685 }
2686
2687 #ifdef SLAP_DYNACL
2688 if ( b->a_dynacl ) {
2689 slap_dynacl_t *da;
2690
2691 for ( da = b->a_dynacl; da; da = da->da_next ) {
2692 if ( da->da_unparse ) {
2693 struct berval bv = BER_BVNULL;
2694 (void)( *da->da_unparse )( da->da_private, &bv );
2695 assert( !BER_BVISNULL( &bv ) );
2696 ptr = lutil_strcopy( ptr, bv.bv_val );
2697 ch_free( bv.bv_val );
2698 }
2699 }
2700 }
2701 #endif /* SLAP_DYNACL */
2702
2703 /* Security Strength Factors */
2704 if ( b->a_authz.sai_ssf ) {
2705 ptr += sprintf( ptr, " ssf=%u",
2706 b->a_authz.sai_ssf );
2707 }
2708 if ( b->a_authz.sai_transport_ssf ) {
2709 ptr += sprintf( ptr, " transport_ssf=%u",
2710 b->a_authz.sai_transport_ssf );
2711 }
2712 if ( b->a_authz.sai_tls_ssf ) {
2713 ptr += sprintf( ptr, " tls_ssf=%u",
2714 b->a_authz.sai_tls_ssf );
2715 }
2716 if ( b->a_authz.sai_sasl_ssf ) {
2717 ptr += sprintf( ptr, " sasl_ssf=%u",
2718 b->a_authz.sai_sasl_ssf );
2719 }
2720
2721 *ptr++ = ' ';
2722 if ( b->a_dn_self ) {
2723 ptr = lutil_strcopy( ptr, "self" );
2724 } else if ( b->a_realdn_self ) {
2725 ptr = lutil_strcopy( ptr, "realself" );
2726 }
2727 ptr = lutil_strcopy( ptr, accessmask2str( b->a_access_mask, maskbuf, 0 ));
2728 if ( !maskbuf[0] ) ptr--;
2729
2730 if( b->a_type == ACL_BREAK ) {
2731 ptr = lutil_strcopy( ptr, " break" );
2732
2733 } else if( b->a_type == ACL_CONTINUE ) {
2734 ptr = lutil_strcopy( ptr, " continue" );
2735
2736 } else if( b->a_type != ACL_STOP ) {
2737 ptr = lutil_strcopy( ptr, " unknown-control" );
2738 } else {
2739 if ( !maskbuf[0] ) ptr = lutil_strcopy( ptr, " stop" );
2740 }
2741 *ptr++ = '\n';
2742
2743 return ptr;
2744 }
2745
2746 void
2747 acl_unparse( AccessControl *a, struct berval *bv )
2748 {
2749 Access *b;
2750 char *ptr;
2751 int to = 0;
2752
2753 bv->bv_val = aclbuf;
2754 bv->bv_len = 0;
2755
2756 ptr = bv->bv_val;
2757
2758 ptr = lutil_strcopy( ptr, "to" );
2759 if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
2760 to++;
2761 ptr = lutil_strcopy( ptr, " dn." );
2762 if ( a->acl_dn_style == ACL_STYLE_BASE )
2763 ptr = lutil_strcopy( ptr, style_base );
2764 else
2765 ptr = lutil_strcopy( ptr, style_strings[a->acl_dn_style] );
2766 *ptr++ = '=';
2767 *ptr++ = '"';
2768 ptr = lutil_strcopy( ptr, a->acl_dn_pat.bv_val );
2769 ptr = lutil_strcopy( ptr, "\"\n" );
2770 }
2771
2772 if ( a->acl_filter != NULL ) {
2773 struct berval bv = BER_BVNULL;
2774
2775 to++;
2776 filter2bv( a->acl_filter, &bv );
2777 ptr = lutil_strcopy( ptr, " filter=\"" );
2778 ptr = lutil_strcopy( ptr, bv.bv_val );
2779 *ptr++ = '"';
2780 *ptr++ = '\n';
2781 ch_free( bv.bv_val );
2782 }
2783
2784 if ( a->acl_attrs != NULL ) {
2785 int first = 1;
2786 AttributeName *an;
2787 to++;
2788
2789 ptr = lutil_strcopy( ptr, " attrs=" );
2790 for ( an = a->acl_attrs; an && !BER_BVISNULL( &an->an_name ); an++ ) {
2791 if ( ! first ) *ptr++ = ',';
2792 if (an->an_oc) {
2793 *ptr++ = an->an_oc_exclude ? '!' : '@';
2794 ptr = lutil_strcopy( ptr, an->an_oc->soc_cname.bv_val );
2795
2796 } else {
2797 ptr = lutil_strcopy( ptr, an->an_name.bv_val );
2798 }
2799 first = 0;
2800 }
2801 *ptr++ = '\n';
2802 }
2803
2804 if ( !BER_BVISEMPTY( &a->acl_attrval ) ) {
2805 to++;
2806 ptr = lutil_strcopy( ptr, " val." );
2807 if ( a->acl_attrval_style == ACL_STYLE_BASE &&
2808 a->acl_attrs[0].an_desc->ad_type->sat_syntax ==
2809 slap_schema.si_syn_distinguishedName )
2810 ptr = lutil_strcopy( ptr, style_base );
2811 else
2812 ptr = lutil_strcopy( ptr, style_strings[a->acl_attrval_style] );
2813 *ptr++ = '=';
2814 *ptr++ = '"';
2815 ptr = lutil_strcopy( ptr, a->acl_attrval.bv_val );
2816 *ptr++ = '"';
2817 *ptr++ = '\n';
2818 }
2819
2820 if( !to ) {
2821 ptr = lutil_strcopy( ptr, " *\n" );
2822 }
2823
2824 for ( b = a->acl_access; b != NULL; b = b->a_next ) {
2825 ptr = access2text( b, ptr );
2826 }
2827 *ptr = '\0';
2828 bv->bv_len = ptr - bv->bv_val;
2829 }
2830
2831 #ifdef LDAP_DEBUG
2832 static void
2833 print_acl( Backend *be, AccessControl *a )
2834 {
2835 struct berval bv;
2836
2837 acl_unparse( a, &bv );
2838 fprintf( stderr, "%s ACL: access %s\n",
2839 be == NULL ? "Global" : "Backend", bv.bv_val );
2840 }
2841 #endif /* LDAP_DEBUG */
NetBSD on the FriendlyARM MINI2440