1 /* aclparse.c - routines to parse and check acl's */
4 * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
5 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
14 #include <ac/socket.h>
15 #include <ac/string.h>
16 #include <ac/unistd.h>
20 static void split(char *line, int splitchar, char **left, char **right);
21 static void access_append(Access **l, Access *a);
22 static void acl_usage(void) LDAP_GCCATTR((noreturn));
24 static void acl_regex_normalized_dn(struct berval *pattern);
27 static void print_acl(Backend *be, AccessControl *a);
28 static void print_access(Access *b);
32 regtest(const char *fname, int lineno, char *pat) {
48 for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
50 if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
67 if ( size >= (sizeof(buf)-1) ) {
69 "%s: line %d: regular expression \"%s\" too large\n",
74 if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
76 regerror(e, &re, error, sizeof(error));
78 "%s: line %d: regular expression \"%s\" bad because of %s\n",
79 fname, lineno, pat, error );
97 char *left, *right, *style;
105 for ( i = 1; i < argc; i++ ) {
106 /* to clause - select which entries are protected */
107 if ( strcasecmp( argv[i], "to" ) == 0 ) {
110 "%s: line %d: only one to clause allowed in access line\n",
114 a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
115 for ( ++i; i < argc; i++ ) {
116 if ( strcasecmp( argv[i], "by" ) == 0 ) {
121 if ( strcasecmp( argv[i], "*" ) == 0 ) {
122 if( a->acl_dn_pat.bv_len != 0 ) {
124 "%s: line %d: dn pattern"
125 " already specified in to clause.\n",
130 a->acl_dn_pat.bv_val = ch_strdup( "*" );
131 a->acl_dn_pat.bv_len = 1;
135 split( argv[i], '=', &left, &right );
136 split( left, '.', &left, &style );
138 if ( right == NULL ) {
140 "%s: line %d: missing \"=\" in \"%s\" in to clause\n",
141 fname, lineno, left );
145 if ( strcasecmp( left, "dn" ) == 0 ) {
146 if( a->acl_dn_pat.bv_len != 0 ) {
148 "%s: line %d: dn pattern"
149 " already specified in to clause.\n",
154 if ( style == NULL || *style == '\0'
155 || strcasecmp( style, "regex" ) == 0 )
157 a->acl_dn_style = ACL_STYLE_REGEX;
158 if ( strcmp(right, "*") == 0
159 || strcmp(right, ".*") == 0
160 || strcmp(right, ".*$") == 0
161 || strcmp(right, "^.*") == 0
162 || strcmp(right, "^.*$$") == 0
163 || strcmp(right, ".*$$") == 0
164 || strcmp(right, "^.*$$") == 0 )
166 a->acl_dn_pat.bv_val = ch_strdup( "*" );
167 a->acl_dn_pat.bv_len = 1;
170 a->acl_dn_pat.bv_val = right;
171 acl_regex_normalized_dn( &a->acl_dn_pat );
173 } else if ( strcasecmp( style, "base" ) == 0 ) {
174 a->acl_dn_style = ACL_STYLE_BASE;
175 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
176 } else if ( strcasecmp( style, "one" ) == 0 ) {
177 a->acl_dn_style = ACL_STYLE_ONE;
178 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
179 } else if ( strcasecmp( style, "subtree" ) == 0 ) {
180 a->acl_dn_style = ACL_STYLE_SUBTREE;
181 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
182 } else if ( strcasecmp( style, "children" ) == 0 ) {
183 a->acl_dn_style = ACL_STYLE_CHILDREN;
184 ber_str2bv( right, 0, 1, &a->acl_dn_pat );
187 "%s: line %d: unknown dn style \"%s\" in to clause\n",
188 fname, lineno, style );
195 if ( strcasecmp( left, "filter" ) == 0 ) {
196 if ( (a->acl_filter = str2filter(
199 "%s: line %d: bad filter \"%s\" in to clause\n",
200 fname, lineno, right );
204 } else if ( strncasecmp( left, "attr", 4 ) == 0 ) {
205 a->acl_attrs = str2anlist( a->acl_attrs,
207 if ( a->acl_attrs == NULL ) {
209 "%s: line %d: unknown attr \"%s\" in to clause\n",
210 fname, lineno, right );
215 "%s: line %d: expecting <what> got \"%s\"\n",
216 fname, lineno, left );
221 if ( a->acl_dn_pat.bv_len != 0 && strcmp(a->acl_dn_pat.bv_val, "*") == 0) {
222 free( a->acl_dn_pat.bv_val );
223 a->acl_dn_pat.bv_val = NULL;
224 a->acl_dn_pat.bv_len = 0;
227 if( a->acl_dn_pat.bv_len != 0 ) {
228 if ( a->acl_dn_style != ACL_STYLE_REGEX )
231 dnNormalize2( NULL, &a->acl_dn_pat, &bv);
232 free( a->acl_dn_pat.bv_val );
235 int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
236 REG_EXTENDED | REG_ICASE );
239 regerror( e, &a->acl_dn_re, buf, sizeof(buf) );
241 "%s: line %d: regular expression \"%s\" bad because of %s\n",
242 fname, lineno, right, buf );
248 /* by clause - select who has what access to entries */
249 } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
252 "%s: line %d: to clause required before by clause in access line\n",
258 * by clause consists of <who> and <access>
261 b = (Access *) ch_calloc( 1, sizeof(Access) );
263 ACL_INVALIDATE( b->a_access_mask );
267 "%s: line %d: premature eol: expecting <who>\n",
273 for ( ; i < argc; i++ ) {
274 slap_style_t sty = ACL_STYLE_REGEX;
276 split( argv[i], '=', &left, &right );
277 split( left, '.', &left, &style );
278 if ( style == NULL || *style == '\0'
279 || strcasecmp( style, "regex" ) == 0 )
281 sty = ACL_STYLE_REGEX;
282 } else if ( strcasecmp( style, "exact" ) == 0 ) {
283 sty = ACL_STYLE_EXACT;
284 } else if ( strcasecmp( style, "base" ) == 0 ) {
285 sty = ACL_STYLE_BASE;
286 } else if ( strcasecmp( style, "one" ) == 0 ) {
288 } else if ( strcasecmp( style, "subtree" ) == 0 ) {
289 sty = ACL_STYLE_SUBTREE;
290 } else if ( strcasecmp( style, "children" ) == 0 ) {
291 sty = ACL_STYLE_CHILDREN;
294 "%s: line %d: unknown style \"%s\" in by clause\n",
295 fname, lineno, style );
299 if ( strcasecmp( argv[i], "*" ) == 0 ) {
300 bv.bv_val = ch_strdup( "*" );
303 } else if ( strcasecmp( argv[i], "anonymous" ) == 0 ) {
304 ber_str2bv("anonymous",
305 sizeof("anonymous")-1,
308 } else if ( strcasecmp( argv[i], "self" ) == 0 ) {
313 } else if ( strcasecmp( argv[i], "users" ) == 0 ) {
318 } else if ( strcasecmp( left, "dn" ) == 0 ) {
319 if ( sty == ACL_STYLE_REGEX ) {
320 b->a_dn_style = ACL_STYLE_REGEX;
321 if( right == NULL ) {
326 } else if (*right == '\0' ) {
328 ber_str2bv("anonymous",
329 sizeof("anonymous")-1,
331 } else if ( strcmp( right, "*" ) == 0 ) {
333 /* any or users? users for now */
337 } else if ( strcmp( right, ".+" ) == 0
338 || strcmp( right, "^.+" ) == 0
339 || strcmp( right, ".+$" ) == 0
340 || strcmp( right, "^.+$" ) == 0
341 || strcmp( right, ".+$$" ) == 0
342 || strcmp( right, "^.+$$" ) == 0 )
347 } else if ( strcmp( right, ".*" ) == 0
348 || strcmp( right, "^.*" ) == 0
349 || strcmp( right, ".*$" ) == 0
350 || strcmp( right, "^.*$" ) == 0
351 || strcmp( right, ".*$$" ) == 0
352 || strcmp( right, "^.*$$" ) == 0 )
360 acl_regex_normalized_dn( &bv );
361 regtest(fname, lineno, bv.bv_val);
363 } else if ( right == NULL || *right == '\0' ) {
365 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
366 fname, lineno, left );
370 ber_str2bv( right, 0, 1, &bv );
377 if( bv.bv_val != NULL ) {
378 if( b->a_dn_pat.bv_len != 0 ) {
380 "%s: line %d: dn pattern already specified.\n",
385 if ( sty != ACL_STYLE_REGEX ) {
386 dnNormalize2(NULL, &bv, &b->a_dn_pat);
395 if ( strcasecmp( left, "dnattr" ) == 0 ) {
396 if ( right == NULL || right[ 0 ] == '\0' ) {
398 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
399 fname, lineno, left );
403 if( b->a_dn_at != NULL ) {
405 "%s: line %d: dnattr already specified.\n",
410 rc = slap_str2ad( right, &b->a_dn_at, &text );
412 if( rc != LDAP_SUCCESS ) {
414 "%s: line %d: dnattr \"%s\": %s\n",
415 fname, lineno, right, text );
420 if( !is_at_syntax( b->a_dn_at->ad_type,
422 !is_at_syntax( b->a_dn_at->ad_type,
423 SLAPD_NAMEUID_SYNTAX ))
426 "%s: line %d: dnattr \"%s\": "
427 "inappropriate syntax: %s\n",
428 fname, lineno, right,
429 b->a_dn_at->ad_type->sat_syntax_oid );
436 if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
438 "%s: line %d: inappropriate style \"%s\" in by clause\n",
439 fname, lineno, style );
443 if ( strncasecmp( left, "group", sizeof("group")-1 ) == 0 ) {
447 if ( right == NULL || right[ 0 ] == '\0' ) {
449 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
450 fname, lineno, left );
454 if( b->a_group_pat.bv_len ) {
456 "%s: line %d: group pattern already specified.\n",
461 /* format of string is "group/objectClassValue/groupAttrName" */
462 if ((value = strchr(left, '/')) != NULL) {
465 && (name = strchr(value, '/')) != NULL)
471 b->a_group_style = sty;
472 if (sty == ACL_STYLE_REGEX) {
474 acl_regex_normalized_dn( &bv );
475 regtest(fname, lineno, bv.bv_val);
478 ber_str2bv( right, 0, 0, &bv );
479 dnNormalize2( NULL, &bv, &b->a_group_pat );
482 if (value && *value) {
483 b->a_group_oc = oc_find( value );
486 if( b->a_group_oc == NULL ) {
488 "%s: line %d: group objectclass "
490 fname, lineno, value );
494 b->a_group_oc = oc_find(SLAPD_GROUP_CLASS);
496 if( b->a_group_oc == NULL ) {
498 "%s: line %d: group default objectclass "
500 fname, lineno, SLAPD_GROUP_CLASS );
505 if( is_object_subclass( b->a_group_oc,
506 slap_schema.si_oc_referral ) )
509 "%s: line %d: group objectclass \"%s\" "
510 "is subclass of referral\n",
511 fname, lineno, value );
515 if( is_object_subclass( b->a_group_oc,
516 slap_schema.si_oc_alias ) )
519 "%s: line %d: group objectclass \"%s\" "
520 "is subclass of alias\n",
521 fname, lineno, value );
526 rc = slap_str2ad( name, &b->a_group_at, &text );
528 if( rc != LDAP_SUCCESS ) {
530 "%s: line %d: group \"%s\": %s\n",
531 fname, lineno, right, text );
536 rc = slap_str2ad( SLAPD_GROUP_ATTR, &b->a_group_at, &text );
538 if( rc != LDAP_SUCCESS ) {
540 "%s: line %d: group \"%s\": %s\n",
541 fname, lineno, SLAPD_GROUP_ATTR, text );
546 if( !is_at_syntax( b->a_group_at->ad_type,
548 !is_at_syntax( b->a_group_at->ad_type,
549 SLAPD_NAMEUID_SYNTAX ) )
552 "%s: line %d: group \"%s\": inappropriate syntax: %s\n",
553 fname, lineno, right,
554 b->a_group_at->ad_type->sat_syntax_oid );
561 struct berval vals[2];
563 vals[0].bv_val = b->a_group_oc->soc_oid;
564 vals[0].bv_len = strlen(vals[0].bv_val);
565 vals[1].bv_val = NULL;
568 rc = oc_check_allowed( b->a_group_at->ad_type, vals, NULL );
572 "%s: line %d: group: \"%s\" not allowed by \"%s\"\n",
574 b->a_group_at->ad_cname.bv_val,
575 b->a_group_oc->soc_oid );
582 if ( strcasecmp( left, "peername" ) == 0 ) {
583 if ( right == NULL || right[ 0 ] == '\0' ) {
585 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
586 fname, lineno, left );
590 if( b->a_peername_pat.bv_len ) {
592 "%s: line %d: peername pattern already specified.\n",
597 b->a_peername_style = sty;
598 if (sty == ACL_STYLE_REGEX) {
600 acl_regex_normalized_dn( &bv );
601 regtest(fname, lineno, bv.bv_val);
602 b->a_peername_pat = bv;
604 ber_str2bv( right, 0, 1, &b->a_peername_pat );
609 if ( strcasecmp( left, "sockname" ) == 0 ) {
610 if ( right == NULL || right[ 0 ] == '\0' ) {
612 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
613 fname, lineno, left );
617 if( b->a_sockname_pat.bv_len ) {
619 "%s: line %d: sockname pattern already specified.\n",
624 b->a_sockname_style = sty;
625 if (sty == ACL_STYLE_REGEX) {
627 acl_regex_normalized_dn( &bv );
628 regtest(fname, lineno, bv.bv_val);
629 b->a_sockname_pat = bv;
631 ber_str2bv( right, 0, 1, &b->a_sockname_pat );
636 if ( strcasecmp( left, "domain" ) == 0 ) {
637 if ( right == NULL || right[ 0 ] == '\0' ) {
639 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
640 fname, lineno, left );
644 if( b->a_domain_pat.bv_len ) {
646 "%s: line %d: domain pattern already specified.\n",
651 b->a_domain_style = sty;
652 if (sty == ACL_STYLE_REGEX) {
654 acl_regex_normalized_dn( &bv );
655 regtest(fname, lineno, bv.bv_val);
656 b->a_domain_pat = bv;
658 ber_str2bv( right, 0, 1, &b->a_domain_pat );
663 if ( strcasecmp( left, "sockurl" ) == 0 ) {
664 if ( right == NULL || right[ 0 ] == '\0' ) {
666 "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
667 fname, lineno, left );
671 if( b->a_sockurl_pat.bv_len ) {
673 "%s: line %d: sockurl pattern already specified.\n",
678 b->a_sockurl_style = sty;
679 if (sty == ACL_STYLE_REGEX) {
681 acl_regex_normalized_dn( &bv );
682 regtest(fname, lineno, bv.bv_val);
683 b->a_sockurl_pat = bv;
685 ber_str2bv( right, 0, 1, &b->a_sockurl_pat );
690 if ( strcasecmp( left, "set" ) == 0 ) {
691 if( b->a_set_pat.bv_len != 0 ) {
693 "%s: line %d: set attribute already specified.\n",
698 if ( right == NULL || *right == '\0' ) {
700 "%s: line %d: no set is defined\n",
705 b->a_set_style = sty;
706 ber_str2bv( right, 0, 1, &b->a_set_pat );
711 #ifdef SLAPD_ACI_ENABLED
712 if ( strcasecmp( left, "aci" ) == 0 ) {
713 if( b->a_aci_at != NULL ) {
715 "%s: line %d: aci attribute already specified.\n",
720 if ( right != NULL && *right != '\0' ) {
721 rc = slap_str2ad( right, &b->a_aci_at, &text );
723 if( rc != LDAP_SUCCESS ) {
725 "%s: line %d: aci \"%s\": %s\n",
726 fname, lineno, right, text );
731 b->a_aci_at = slap_schema.si_ad_aci;
734 if( !is_at_syntax( b->a_aci_at->ad_type,
738 "%s: line %d: aci \"%s\": inappropriate syntax: %s\n",
739 fname, lineno, right,
740 b->a_aci_at->ad_type->sat_syntax_oid );
746 #endif /* SLAPD_ACI_ENABLED */
748 if ( strcasecmp( left, "ssf" ) == 0 ) {
749 if( b->a_authz.sai_ssf ) {
751 "%s: line %d: ssf attribute already specified.\n",
756 if ( right == NULL || *right == '\0' ) {
758 "%s: line %d: no ssf is defined\n",
763 b->a_authz.sai_ssf = atoi( right );
765 if( !b->a_authz.sai_ssf ) {
767 "%s: line %d: invalid ssf value (%s)\n",
768 fname, lineno, right );
774 if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
775 if( b->a_authz.sai_transport_ssf ) {
777 "%s: line %d: transport_ssf attribute already specified.\n",
782 if ( right == NULL || *right == '\0' ) {
784 "%s: line %d: no transport_ssf is defined\n",
789 b->a_authz.sai_transport_ssf = atoi( right );
791 if( !b->a_authz.sai_transport_ssf ) {
793 "%s: line %d: invalid transport_ssf value (%s)\n",
794 fname, lineno, right );
800 if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
801 if( b->a_authz.sai_tls_ssf ) {
803 "%s: line %d: tls_ssf attribute already specified.\n",
808 if ( right == NULL || *right == '\0' ) {
810 "%s: line %d: no tls_ssf is defined\n",
815 b->a_authz.sai_tls_ssf = atoi( right );
817 if( !b->a_authz.sai_tls_ssf ) {
819 "%s: line %d: invalid tls_ssf value (%s)\n",
820 fname, lineno, right );
826 if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
827 if( b->a_authz.sai_sasl_ssf ) {
829 "%s: line %d: sasl_ssf attribute already specified.\n",
834 if ( right == NULL || *right == '\0' ) {
836 "%s: line %d: no sasl_ssf is defined\n",
841 b->a_authz.sai_sasl_ssf = atoi( right );
843 if( !b->a_authz.sai_sasl_ssf ) {
845 "%s: line %d: invalid sasl_ssf value (%s)\n",
846 fname, lineno, right );
852 if( right != NULL ) {
859 if( i == argc || ( strcasecmp( left, "stop" ) == 0 )) {
860 /* out of arguments or plain stop */
862 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
863 b->a_type = ACL_STOP;
865 access_append( &a->acl_access, b );
869 if( strcasecmp( left, "continue" ) == 0 ) {
872 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
873 b->a_type = ACL_CONTINUE;
875 access_append( &a->acl_access, b );
879 if( strcasecmp( left, "break" ) == 0 ) {
882 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
883 b->a_type = ACL_BREAK;
885 access_append( &a->acl_access, b );
889 if ( strcasecmp( left, "by" ) == 0 ) {
890 /* we've gone too far */
892 ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
893 b->a_type = ACL_STOP;
895 access_append( &a->acl_access, b );
900 if( strncasecmp( left, "self", 4 ) == 0 ) {
902 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[4] ) );
905 ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( left ) );
908 if( ACL_IS_INVALID( b->a_access_mask ) ) {
910 "%s: line %d: expecting <access> got \"%s\"\n",
911 fname, lineno, left );
915 b->a_type = ACL_STOP;
918 /* out of arguments or plain stop */
919 access_append( &a->acl_access, b );
923 if( strcasecmp( argv[i], "continue" ) == 0 ) {
925 b->a_type = ACL_CONTINUE;
927 } else if( strcasecmp( argv[i], "break" ) == 0 ) {
929 b->a_type = ACL_BREAK;
931 } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
936 access_append( &a->acl_access, b );
940 "%s: line %d: expecting \"to\" or \"by\" got \"%s\"\n",
941 fname, lineno, argv[i] );
946 /* if we have no real access clause, complain and do nothing */
949 "%s: line %d: warning: no access clause(s) specified in access line\n",
954 if (ldap_debug & LDAP_DEBUG_ACL)
958 if ( a->acl_access == NULL ) {
960 "%s: line %d: warning: no by clause(s) specified in access line\n",
965 acl_append( &be->be_acl, a );
967 acl_append( &global_acl, a );
973 accessmask2str( slap_mask_t mask, char *buf )
978 assert( buf != NULL );
980 if ( ACL_IS_INVALID( mask ) ) {
986 if ( ACL_IS_LEVEL( mask ) ) {
987 if ( ACL_LVL_IS_NONE(mask) ) {
988 ptr = slap_strcopy( ptr, "none" );
990 } else if ( ACL_LVL_IS_AUTH(mask) ) {
991 ptr = slap_strcopy( ptr, "auth" );
993 } else if ( ACL_LVL_IS_COMPARE(mask) ) {
994 ptr = slap_strcopy( ptr, "compare" );
996 } else if ( ACL_LVL_IS_SEARCH(mask) ) {
997 ptr = slap_strcopy( ptr, "search" );
999 } else if ( ACL_LVL_IS_READ(mask) ) {
1000 ptr = slap_strcopy( ptr, "read" );
1002 } else if ( ACL_LVL_IS_WRITE(mask) ) {
1003 ptr = slap_strcopy( ptr, "write" );
1005 ptr = slap_strcopy( ptr, "unknown" );
1011 if( ACL_IS_ADDITIVE( mask ) ) {
1014 } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
1021 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
1026 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
1031 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
1036 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
1041 if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
1046 if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
1055 if ( ACL_IS_LEVEL( mask ) ) {
1065 str2accessmask( const char *str )
1069 if( !ASCII_ALPHA(str[0]) ) {
1072 if ( str[0] == '=' ) {
1075 } else if( str[0] == '+' ) {
1076 ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
1078 } else if( str[0] == '-' ) {
1079 ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
1082 ACL_INVALIDATE(mask);
1086 for( i=1; str[i] != '\0'; i++ ) {
1087 if( TOLOWER(str[i]) == 'w' ) {
1088 ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
1090 } else if( TOLOWER(str[i]) == 'r' ) {
1091 ACL_PRIV_SET(mask, ACL_PRIV_READ);
1093 } else if( TOLOWER(str[i]) == 's' ) {
1094 ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
1096 } else if( TOLOWER(str[i]) == 'c' ) {
1097 ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
1099 } else if( TOLOWER(str[i]) == 'x' ) {
1100 ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
1102 } else if( str[i] != '0' ) {
1103 ACL_INVALIDATE(mask);
1111 if ( strcasecmp( str, "none" ) == 0 ) {
1112 ACL_LVL_ASSIGN_NONE(mask);
1114 } else if ( strcasecmp( str, "auth" ) == 0 ) {
1115 ACL_LVL_ASSIGN_AUTH(mask);
1117 } else if ( strcasecmp( str, "compare" ) == 0 ) {
1118 ACL_LVL_ASSIGN_COMPARE(mask);
1120 } else if ( strcasecmp( str, "search" ) == 0 ) {
1121 ACL_LVL_ASSIGN_SEARCH(mask);
1123 } else if ( strcasecmp( str, "read" ) == 0 ) {
1124 ACL_LVL_ASSIGN_READ(mask);
1126 } else if ( strcasecmp( str, "write" ) == 0 ) {
1127 ACL_LVL_ASSIGN_WRITE(mask);
1130 ACL_INVALIDATE( mask );
1139 fprintf( stderr, "\n"
1140 "<access clause> ::= access to <what> "
1141 "[ by <who> <access> [ <control> ] ]+ \n"
1142 "<what> ::= * | [dn[.<dnstyle>]=<regex>] [filter=<ldapfilter>] [attrs=<attrlist>]\n"
1143 "<attrlist> ::= <attr> | <attr> , <attrlist>\n"
1144 "<attr> ::= <attrname> | entry | children\n"
1145 "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<regex> ]\n"
1146 "\t[dnattr=<attrname>]\n"
1147 "\t[group[/<objectclass>[/<attrname>]][.<style>]=<regex>]\n"
1148 "\t[peername[.<style>]=<regex>] [sockname[.<style>]=<regex>]\n"
1149 "\t[domain[.<style>]=<regex>] [sockurl[.<style>]=<regex>]\n"
1150 #ifdef SLAPD_ACI_ENABLED
1151 "\t[aci=<attrname>]\n"
1153 "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
1154 "<dnstyle> ::= regex | base | exact (alias of base) | one | sub | children\n"
1155 "<style> ::= regex | base | exact (alias of base)\n"
1156 "<groupflags> ::= R\n"
1157 "<access> ::= [self]{<level>|<priv>}\n"
1158 "<level> ::= none | auth | compare | search | read | write\n"
1159 "<priv> ::= {=|+|-}{w|r|s|c|x}+\n"
1160 "<control> ::= [ stop | continue | break ]\n"
1162 exit( EXIT_FAILURE );
1166 * At present it simply eats the (optional) space after
1167 * a RDN separator (,)
1168 * Eventually will evolve in a more complete normalization
1170 * Note that the input berval only needs bv_val, it ignores
1171 * the input bv_len and sets it on return.
1174 acl_regex_normalized_dn(
1175 struct berval *pattern
1180 str = ch_strdup( pattern->bv_val );
1182 for ( p = str; p && p[ 0 ]; p++ ) {
1184 if ( p[ 0 ] == '\\' ) {
1186 * if escaping a hex pair we should
1187 * increment p twice; however, in that
1188 * case the second hex number does
1194 if ( p[ 0 ] == ',' ) {
1195 if ( p[ 1 ] == ' ' ) {
1199 * too much space should be
1200 * an error if we are pedantic
1202 for ( q = &p[ 2 ]; q[ 0 ] == ' '; q++ ) {
1205 AC_MEMCPY( p+1, q, pattern->bv_len-(q-str)+1);
1209 pattern->bv_val = str;
1210 pattern->bv_len = p-str;
1224 if ( (*right = strchr( line, splitchar )) != NULL ) {
1225 *((*right)++) = '\0';
1230 access_append( Access **l, Access *a )
1232 for ( ; *l != NULL; l = &(*l)->a_next )
1239 acl_append( AccessControl **l, AccessControl *a )
1241 for ( ; *l != NULL; l = &(*l)->acl_next )
1248 access_free( Access *a )
1250 if ( a->a_dn_pat.bv_val )
1251 free ( a->a_dn_pat.bv_val );
1252 if ( a->a_peername_pat.bv_val )
1253 free ( a->a_peername_pat.bv_val );
1254 if ( a->a_sockname_pat.bv_val )
1255 free ( a->a_sockname_pat.bv_val );
1256 if ( a->a_domain_pat.bv_val )
1257 free ( a->a_domain_pat.bv_val );
1258 if ( a->a_sockurl_pat.bv_val )
1259 free ( a->a_sockurl_pat.bv_val );
1260 if ( a->a_set_pat.bv_len )
1261 free ( a->a_set_pat.bv_val );
1262 if ( a->a_group_pat.bv_len )
1263 free ( a->a_group_pat.bv_val );
1268 acl_free( AccessControl *a )
1273 if ( a->acl_filter )
1274 filter_free( a->acl_filter );
1275 if ( a->acl_dn_pat.bv_len )
1276 free ( a->acl_dn_pat.bv_val );
1277 if ( a->acl_attrs ) {
1278 for ( an = a->acl_attrs; an->an_name.bv_val; an++ ) {
1279 free( an->an_name.bv_val );
1281 free( a->acl_attrs );
1283 for (; a->acl_access; a->acl_access = n) {
1284 n = a->acl_access->a_next;
1285 access_free( a->acl_access );
1290 /* Because backend_startup uses acl_append to tack on the global_acl to
1291 * the end of each backend's acl, we cannot just take one argument and
1292 * merrily free our way to the end of the list. backend_destroy calls us
1293 * with the be_acl in arg1, and global_acl in arg2 to give us a stopping
1294 * point. config_destroy calls us with global_acl in arg1 and NULL in
1295 * arg2, so we then proceed to polish off the global_acl.
1298 acl_destroy( AccessControl *a, AccessControl *end )
1302 for (; a && a!= end; a=n) {
1309 access2str( slap_access_t access )
1311 if ( access == ACL_NONE ) {
1314 } else if ( access == ACL_AUTH ) {
1317 } else if ( access == ACL_COMPARE ) {
1320 } else if ( access == ACL_SEARCH ) {
1323 } else if ( access == ACL_READ ) {
1326 } else if ( access == ACL_WRITE ) {
1334 str2access( const char *str )
1336 if ( strcasecmp( str, "none" ) == 0 ) {
1339 } else if ( strcasecmp( str, "auth" ) == 0 ) {
1342 } else if ( strcasecmp( str, "compare" ) == 0 ) {
1345 } else if ( strcasecmp( str, "search" ) == 0 ) {
1348 } else if ( strcasecmp( str, "read" ) == 0 ) {
1351 } else if ( strcasecmp( str, "write" ) == 0 ) {
1355 return( ACL_INVALID_ACCESS );
1360 static char *style_strings[5] = {
1370 print_access( Access *b )
1372 char maskbuf[ACCESSMASK_MAXLEN];
1374 fprintf( stderr, "\tby" );
1376 if ( b->a_dn_pat.bv_len != 0 ) {
1377 if( strcmp(b->a_dn_pat.bv_val, "*") == 0
1378 || strcmp(b->a_dn_pat.bv_val, "users") == 0
1379 || strcmp(b->a_dn_pat.bv_val, "anonymous") == 0
1380 || strcmp(b->a_dn_pat.bv_val, "self") == 0 )
1382 fprintf( stderr, " %s", b->a_dn_pat.bv_val );
1385 fprintf( stderr, " dn.%s=%s", style_strings[b->a_dn_style], b->a_dn_pat.bv_val );
1389 if ( b->a_dn_at != NULL ) {
1390 fprintf( stderr, " dnattr=%s", b->a_dn_at->ad_cname.bv_val );
1393 if ( b->a_group_pat.bv_len ) {
1394 fprintf( stderr, " group=%s", b->a_group_pat.bv_val );
1396 if ( b->a_group_oc ) {
1397 fprintf( stderr, " objectClass: %s",
1398 b->a_group_oc->soc_oclass.oc_oid );
1400 if ( b->a_group_at ) {
1401 fprintf( stderr, " attributeType: %s", b->a_group_at->ad_cname.bv_val );
1406 if ( b->a_peername_pat.bv_len != 0 ) {
1407 fprintf( stderr, " peername=%s", b->a_peername_pat.bv_val );
1410 if ( b->a_sockname_pat.bv_len != 0 ) {
1411 fprintf( stderr, " sockname=%s", b->a_sockname_pat.bv_val );
1414 if ( b->a_domain_pat.bv_len != 0 ) {
1415 fprintf( stderr, " domain=%s", b->a_domain_pat.bv_val );
1418 if ( b->a_sockurl_pat.bv_len != 0 ) {
1419 fprintf( stderr, " sockurl=%s", b->a_sockurl_pat.bv_val );
1422 #ifdef SLAPD_ACI_ENABLED
1423 if ( b->a_aci_at != NULL ) {
1424 fprintf( stderr, " aci=%s", b->a_aci_at->ad_cname.bv_val );
1428 /* Security Strength Factors */
1429 if ( b->a_authz.sai_ssf ) {
1430 fprintf( stderr, " ssf=%u",
1431 b->a_authz.sai_ssf );
1433 if ( b->a_authz.sai_transport_ssf ) {
1434 fprintf( stderr, " transport_ssf=%u",
1435 b->a_authz.sai_transport_ssf );
1437 if ( b->a_authz.sai_tls_ssf ) {
1438 fprintf( stderr, " tls_ssf=%u",
1439 b->a_authz.sai_tls_ssf );
1441 if ( b->a_authz.sai_sasl_ssf ) {
1442 fprintf( stderr, " sasl_ssf=%u",
1443 b->a_authz.sai_sasl_ssf );
1446 fprintf( stderr, " %s%s",
1447 b->a_dn_self ? "self" : "",
1448 accessmask2str( b->a_access_mask, maskbuf ) );
1450 if( b->a_type == ACL_BREAK ) {
1451 fprintf( stderr, " break" );
1453 } else if( b->a_type == ACL_CONTINUE ) {
1454 fprintf( stderr, " continue" );
1456 } else if( b->a_type != ACL_STOP ) {
1457 fprintf( stderr, " unknown-control" );
1460 fprintf( stderr, "\n" );
1465 print_acl( Backend *be, AccessControl *a )
1470 fprintf( stderr, "%s ACL: access to",
1471 be == NULL ? "Global" : "Backend" );
1473 if ( a->acl_dn_pat.bv_len != 0 ) {
1475 fprintf( stderr, " dn.%s=%s\n",
1476 style_strings[a->acl_dn_style], a->acl_dn_pat.bv_val );
1479 if ( a->acl_filter != NULL ) {
1481 fprintf( stderr, " filter=" );
1482 filter_print( a->acl_filter );
1483 fprintf( stderr, "\n" );
1486 if ( a->acl_attrs != NULL ) {
1491 fprintf( stderr, " attrs=" );
1492 for ( an = a->acl_attrs; an && an->an_name.bv_val; an++ ) {
1494 fprintf( stderr, "," );
1496 fputs( an->an_name.bv_val, stderr );
1499 fprintf( stderr, "\n" );
1503 fprintf( stderr, " *\n" );
1506 for ( b = a->acl_access; b != NULL; b = b->a_next ) {
1510 fprintf( stderr, "\n" );
1513 #endif /* LDAP_DEBUG */