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-rw-r--r--servers/slapd/aclparse.c2869
1 files changed, 2869 insertions, 0 deletions
diff --git a/servers/slapd/aclparse.c b/servers/slapd/aclparse.c
new file mode 100644
index 0000000..abb6ae0
--- /dev/null
+++ b/servers/slapd/aclparse.c
@@ -0,0 +1,2869 @@
+/* aclparse.c - routines to parse and check acl's */
+/* $OpenLDAP$ */
+/* This work is part of OpenLDAP Software <http://www.openldap.org/>.
+ *
+ * Copyright 1998-2021 The OpenLDAP Foundation.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted only as authorized by the OpenLDAP
+ * Public License.
+ *
+ * A copy of this license is available in the file LICENSE in the
+ * top-level directory of the distribution or, alternatively, at
+ * <http://www.OpenLDAP.org/license.html>.
+ */
+/* Portions Copyright (c) 1995 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#include "portable.h"
+
+#include <stdio.h>
+
+#include <ac/ctype.h>
+#include <ac/regex.h>
+#include <ac/socket.h>
+#include <ac/string.h>
+#include <ac/unistd.h>
+
+#include "slap.h"
+#include "lber_pvt.h"
+#include "lutil.h"
+
+static const char style_base[] = "base";
+const char *style_strings[] = {
+ "regex",
+ "expand",
+ "exact",
+ "one",
+ "subtree",
+ "children",
+ "level",
+ "attrof",
+ "anonymous",
+ "users",
+ "self",
+ "ip",
+ "ipv6",
+ "path",
+ NULL
+};
+
+#define ACLBUF_CHUNKSIZE 8192
+static struct berval aclbuf;
+
+static void split(char *line, int splitchar, char **left, char **right);
+static void access_append(Access **l, Access *a);
+static void access_free( Access *a );
+static int acl_usage(void);
+
+static void acl_regex_normalized_dn(const char *src, struct berval *pat);
+
+#ifdef LDAP_DEBUG
+static void print_acl(Backend *be, AccessControl *a);
+#endif
+
+static int check_scope( BackendDB *be, AccessControl *a );
+
+#ifdef SLAP_DYNACL
+static int
+slap_dynacl_config(
+ const char *fname,
+ int lineno,
+ Access *b,
+ const char *name,
+ const char *opts,
+ slap_style_t sty,
+ const char *right )
+{
+ slap_dynacl_t *da, *tmp;
+ int rc = 0;
+
+ for ( da = b->a_dynacl; da; da = da->da_next ) {
+ if ( strcasecmp( da->da_name, name ) == 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dynacl \"%s\" already specified.\n",
+ fname, lineno, name );
+ return acl_usage();
+ }
+ }
+
+ da = slap_dynacl_get( name );
+ if ( da == NULL ) {
+ return -1;
+ }
+
+ tmp = ch_malloc( sizeof( slap_dynacl_t ) );
+ *tmp = *da;
+
+ if ( tmp->da_parse ) {
+ rc = ( *tmp->da_parse )( fname, lineno, opts, sty, right, &tmp->da_private );
+ if ( rc ) {
+ ch_free( tmp );
+ return rc;
+ }
+ }
+
+ tmp->da_next = b->a_dynacl;
+ b->a_dynacl = tmp;
+
+ return 0;
+}
+#endif /* SLAP_DYNACL */
+
+static void
+regtest(const char *fname, int lineno, char *pat) {
+ int e;
+ regex_t re;
+
+ char buf[ SLAP_TEXT_BUFLEN ];
+ unsigned size;
+
+ char *sp;
+ char *dp;
+ int flag;
+
+ sp = pat;
+ dp = buf;
+ size = 0;
+ buf[0] = '\0';
+
+ for (size = 0, flag = 0; (size < sizeof(buf)) && *sp; sp++) {
+ if (flag) {
+ if (*sp == '$'|| (*sp >= '0' && *sp <= '9')) {
+ *dp++ = *sp;
+ size++;
+ }
+ flag = 0;
+
+ } else {
+ if (*sp == '$') {
+ flag = 1;
+ } else {
+ *dp++ = *sp;
+ size++;
+ }
+ }
+ }
+
+ *dp = '\0';
+ if ( size >= (sizeof(buf) - 1) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: regular expression \"%s\" too large\n",
+ fname, lineno, pat );
+ (void)acl_usage();
+ exit( EXIT_FAILURE );
+ }
+
+ if ((e = regcomp(&re, buf, REG_EXTENDED|REG_ICASE))) {
+ char error[ SLAP_TEXT_BUFLEN ];
+
+ regerror(e, &re, error, sizeof(error));
+
+ snprintf( buf, sizeof( buf ),
+ "regular expression \"%s\" bad because of %s",
+ pat, error );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ acl_usage();
+ exit( EXIT_FAILURE );
+ }
+ regfree(&re);
+}
+
+/*
+ * Experimental
+ *
+ * Check if the pattern of an ACL, if any, matches the scope
+ * of the backend it is defined within.
+ */
+#define ACL_SCOPE_UNKNOWN (-2)
+#define ACL_SCOPE_ERR (-1)
+#define ACL_SCOPE_OK (0)
+#define ACL_SCOPE_PARTIAL (1)
+#define ACL_SCOPE_WARN (2)
+
+static int
+check_scope( BackendDB *be, AccessControl *a )
+{
+ ber_len_t patlen;
+ struct berval dn;
+
+ dn = be->be_nsuffix[0];
+
+ if ( BER_BVISEMPTY( &dn ) ) {
+ return ACL_SCOPE_OK;
+ }
+
+ if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
+ a->acl_dn_style != ACL_STYLE_REGEX )
+ {
+ slap_style_t style = a->acl_dn_style;
+
+ if ( style == ACL_STYLE_REGEX ) {
+ char dnbuf[SLAP_LDAPDN_MAXLEN + 2];
+ char rebuf[SLAP_LDAPDN_MAXLEN + 1];
+ ber_len_t rebuflen;
+ regex_t re;
+ int rc;
+
+ /* add trailing '$' to database suffix to form
+ * a simple trial regex pattern "<suffix>$" */
+ AC_MEMCPY( dnbuf, be->be_nsuffix[0].bv_val,
+ be->be_nsuffix[0].bv_len );
+ dnbuf[be->be_nsuffix[0].bv_len] = '$';
+ dnbuf[be->be_nsuffix[0].bv_len + 1] = '\0';
+
+ if ( regcomp( &re, dnbuf, REG_EXTENDED|REG_ICASE ) ) {
+ return ACL_SCOPE_WARN;
+ }
+
+ /* remove trailing ')$', if any, from original
+ * regex pattern */
+ rebuflen = a->acl_dn_pat.bv_len;
+ AC_MEMCPY( rebuf, a->acl_dn_pat.bv_val, rebuflen + 1 );
+ if ( rebuf[rebuflen - 1] == '$' ) {
+ rebuf[--rebuflen] = '\0';
+ }
+ while ( rebuflen > be->be_nsuffix[0].bv_len && rebuf[rebuflen - 1] == ')' ) {
+ rebuf[--rebuflen] = '\0';
+ }
+ if ( rebuflen == be->be_nsuffix[0].bv_len ) {
+ rc = ACL_SCOPE_WARN;
+ goto regex_done;
+ }
+
+ /* not a clear indication of scoping error, though */
+ rc = regexec( &re, rebuf, 0, NULL, 0 )
+ ? ACL_SCOPE_WARN : ACL_SCOPE_OK;
+
+regex_done:;
+ regfree( &re );
+ return rc;
+ }
+
+ patlen = a->acl_dn_pat.bv_len;
+ /* If backend suffix is longer than pattern,
+ * it is a potential mismatch (in the sense
+ * that a superior naming context could
+ * match */
+ if ( dn.bv_len > patlen ) {
+ /* base is blatantly wrong */
+ if ( style == ACL_STYLE_BASE ) return ACL_SCOPE_ERR;
+
+ /* a style of one can be wrong if there is
+ * more than one level between the suffix
+ * and the pattern */
+ if ( style == ACL_STYLE_ONE ) {
+ ber_len_t rdnlen = 0;
+ int sep = 0;
+
+ if ( patlen > 0 ) {
+ if ( !DN_SEPARATOR( dn.bv_val[dn.bv_len - patlen - 1] )) {
+ return ACL_SCOPE_ERR;
+ }
+ sep = 1;
+ }
+
+ rdnlen = dn_rdnlen( NULL, &dn );
+ if ( rdnlen != dn.bv_len - patlen - sep )
+ return ACL_SCOPE_ERR;
+ }
+
+ /* if the trailing part doesn't match,
+ * then it's an error */
+ if ( strcmp( a->acl_dn_pat.bv_val,
+ &dn.bv_val[dn.bv_len - patlen] ) != 0 )
+ {
+ return ACL_SCOPE_ERR;
+ }
+
+ return ACL_SCOPE_PARTIAL;
+ }
+
+ switch ( style ) {
+ case ACL_STYLE_BASE:
+ case ACL_STYLE_ONE:
+ case ACL_STYLE_CHILDREN:
+ case ACL_STYLE_SUBTREE:
+ break;
+
+ default:
+ assert( 0 );
+ break;
+ }
+
+ if ( dn.bv_len < patlen &&
+ !DN_SEPARATOR( a->acl_dn_pat.bv_val[patlen - dn.bv_len - 1] ))
+ {
+ return ACL_SCOPE_ERR;
+ }
+
+ if ( strcmp( &a->acl_dn_pat.bv_val[patlen - dn.bv_len], dn.bv_val )
+ != 0 )
+ {
+ return ACL_SCOPE_ERR;
+ }
+
+ return ACL_SCOPE_OK;
+ }
+
+ return ACL_SCOPE_UNKNOWN;
+}
+
+int
+parse_acl(
+ Backend *be,
+ const char *fname,
+ int lineno,
+ int argc,
+ char **argv,
+ int pos )
+{
+ int i;
+ char *left, *right, *style;
+ struct berval bv;
+ AccessControl *a = NULL;
+ Access *b = NULL;
+ int rc;
+ const char *text;
+
+ for ( i = 1; i < argc; i++ ) {
+ /* to clause - select which entries are protected */
+ if ( strcasecmp( argv[i], "to" ) == 0 ) {
+ if ( a != NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "only one to clause allowed in access line\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+ a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
+ a->acl_attrval_style = ACL_STYLE_NONE;
+ for ( ++i; i < argc; i++ ) {
+ if ( strcasecmp( argv[i], "by" ) == 0 ) {
+ i--;
+ break;
+ }
+
+ if ( strcasecmp( argv[i], "*" ) == 0 ) {
+ if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
+ a->acl_dn_style != ACL_STYLE_REGEX )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dn pattern"
+ " already specified in to clause.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
+ continue;
+ }
+
+ split( argv[i], '=', &left, &right );
+ split( left, '.', &left, &style );
+
+ if ( right == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in \"%s\" in to clause\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( strcasecmp( left, "dn" ) == 0 ) {
+ if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
+ a->acl_dn_style != ACL_STYLE_REGEX )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dn pattern"
+ " already specified in to clause.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( style == NULL || *style == '\0' ||
+ strcasecmp( style, "baseObject" ) == 0 ||
+ strcasecmp( style, "base" ) == 0 ||
+ strcasecmp( style, "exact" ) == 0 )
+ {
+ a->acl_dn_style = ACL_STYLE_BASE;
+ ber_str2bv( right, 0, 1, &a->acl_dn_pat );
+
+ } else if ( strcasecmp( style, "oneLevel" ) == 0 ||
+ strcasecmp( style, "one" ) == 0 )
+ {
+ a->acl_dn_style = ACL_STYLE_ONE;
+ ber_str2bv( right, 0, 1, &a->acl_dn_pat );
+
+ } else if ( strcasecmp( style, "subtree" ) == 0 ||
+ strcasecmp( style, "sub" ) == 0 )
+ {
+ if( *right == '\0' ) {
+ ber_str2bv( "*", STRLENOF( "*" ), 1, &a->acl_dn_pat );
+
+ } else {
+ a->acl_dn_style = ACL_STYLE_SUBTREE;
+ ber_str2bv( right, 0, 1, &a->acl_dn_pat );
+ }
+
+ } else if ( strcasecmp( style, "children" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_CHILDREN;
+ ber_str2bv( right, 0, 1, &a->acl_dn_pat );
+
+ } else if ( strcasecmp( style, "regex" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_REGEX;
+
+ if ( *right == '\0' ) {
+ /* empty regex should match empty DN */
+ a->acl_dn_style = ACL_STYLE_BASE;
+ ber_str2bv( right, 0, 1, &a->acl_dn_pat );
+
+ } else if ( strcmp(right, "*") == 0
+ || strcmp(right, ".*") == 0
+ || strcmp(right, ".*$") == 0
+ || strcmp(right, "^.*") == 0
+ || strcmp(right, "^.*$") == 0
+ || strcmp(right, ".*$$") == 0
+ || strcmp(right, "^.*$$") == 0 )
+ {
+ ber_str2bv( "*", STRLENOF("*"), 1, &a->acl_dn_pat );
+
+ } else {
+ acl_regex_normalized_dn( right, &a->acl_dn_pat );
+ }
+
+ } else {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "unknown dn style \"%s\" in to clause\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ continue;
+ }
+
+ if ( strcasecmp( left, "filter" ) == 0 ) {
+ if ( (a->acl_filter = str2filter( right )) == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: bad filter \"%s\" in to clause\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ } else if ( strcasecmp( left, "attr" ) == 0 /* TOLERATED */
+ || strcasecmp( left, "attrs" ) == 0 ) /* DOCUMENTED */
+ {
+ if ( strcasecmp( left, "attr" ) == 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: \"attr\" "
+ "is deprecated (and undocumented); "
+ "use \"attrs\" instead.\n",
+ fname, lineno, 0 );
+ }
+
+ a->acl_attrs = str2anlist( a->acl_attrs,
+ right, "," );
+ if ( a->acl_attrs == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unknown attr \"%s\" in to clause\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ } else if ( strncasecmp( left, "val", 3 ) == 0 ) {
+ struct berval bv;
+ char *mr;
+
+ if ( !BER_BVISEMPTY( &a->acl_attrval ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: attr val already specified in to clause.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+ if ( a->acl_attrs == NULL || !BER_BVISEMPTY( &a->acl_attrs[1].an_name ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: attr val requires a single attribute.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ ber_str2bv( right, 0, 0, &bv );
+ a->acl_attrval_style = ACL_STYLE_BASE;
+
+ mr = strchr( left, '/' );
+ if ( mr != NULL ) {
+ mr[ 0 ] = '\0';
+ mr++;
+
+ a->acl_attrval_mr = mr_find( mr );
+ if ( a->acl_attrval_mr == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "invalid matching rule \"%s\".\n",
+ fname, lineno, mr );
+ goto fail;
+ }
+
+ if( !mr_usable_with_at( a->acl_attrval_mr, a->acl_attrs[ 0 ].an_desc->ad_type ) )
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "matching rule \"%s\" use "
+ "with attr \"%s\" not appropriate.",
+ mr, a->acl_attrs[ 0 ].an_name.bv_val );
+
+
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ }
+
+ if ( style != NULL ) {
+ if ( strcasecmp( style, "regex" ) == 0 ) {
+ int e = regcomp( &a->acl_attrval_re, bv.bv_val,
+ REG_EXTENDED | REG_ICASE );
+ if ( e ) {
+ char err[SLAP_TEXT_BUFLEN],
+ buf[ SLAP_TEXT_BUFLEN ];
+
+ regerror( e, &a->acl_attrval_re, err, sizeof( err ) );
+
+ snprintf( buf, sizeof( buf ),
+ "regular expression \"%s\" bad because of %s",
+ right, err );
+
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ a->acl_attrval_style = ACL_STYLE_REGEX;
+
+ } else {
+ /* FIXME: if the attribute has DN syntax, we might
+ * allow one, subtree and children styles as well */
+ if ( !strcasecmp( style, "base" ) ||
+ !strcasecmp( style, "exact" ) ) {
+ a->acl_attrval_style = ACL_STYLE_BASE;
+
+ } else if ( a->acl_attrs[0].an_desc->ad_type->
+ sat_syntax == slap_schema.si_syn_distinguishedName )
+ {
+ if ( !strcasecmp( style, "baseObject" ) ||
+ !strcasecmp( style, "base" ) )
+ {
+ a->acl_attrval_style = ACL_STYLE_BASE;
+ } else if ( !strcasecmp( style, "onelevel" ) ||
+ !strcasecmp( style, "one" ) )
+ {
+ a->acl_attrval_style = ACL_STYLE_ONE;
+ } else if ( !strcasecmp( style, "subtree" ) ||
+ !strcasecmp( style, "sub" ) )
+ {
+ a->acl_attrval_style = ACL_STYLE_SUBTREE;
+ } else if ( !strcasecmp( style, "children" ) ) {
+ a->acl_attrval_style = ACL_STYLE_CHILDREN;
+ } else {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "unknown val.<style> \"%s\" for attributeType \"%s\" "
+ "with DN syntax.",
+ style,
+ a->acl_attrs[0].an_desc->ad_cname.bv_val );
+
+ Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+ rc = dnNormalize( 0, NULL, NULL, &bv, &a->acl_attrval, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "unable to normalize DN \"%s\" "
+ "for attributeType \"%s\" (%d).",
+ bv.bv_val,
+ a->acl_attrs[0].an_desc->ad_cname.bv_val,
+ rc );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+ } else {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "unknown val.<style> \"%s\" for attributeType \"%s\".",
+ style, a->acl_attrs[0].an_desc->ad_cname.bv_val );
+ Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ }
+ }
+
+ /* Check for appropriate matching rule */
+ if ( a->acl_attrval_style == ACL_STYLE_REGEX ) {
+ ber_dupbv( &a->acl_attrval, &bv );
+
+ } else if ( BER_BVISNULL( &a->acl_attrval ) ) {
+ int rc;
+ const char *text;
+
+ if ( a->acl_attrval_mr == NULL ) {
+ a->acl_attrval_mr = a->acl_attrs[ 0 ].an_desc->ad_type->sat_equality;
+ }
+
+ if ( a->acl_attrval_mr == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "attr \"%s\" does not have an EQUALITY matching rule.\n",
+ fname, lineno, a->acl_attrs[ 0 ].an_name.bv_val );
+ goto fail;
+ }
+
+ rc = asserted_value_validate_normalize(
+ a->acl_attrs[ 0 ].an_desc,
+ a->acl_attrval_mr,
+ SLAP_MR_EQUALITY|SLAP_MR_VALUE_OF_ASSERTION_SYNTAX,
+ &bv,
+ &a->acl_attrval,
+ &text,
+ NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ), "%s: line %d: "
+ " attr \"%s\" normalization failed (%d: %s)",
+ fname, lineno,
+ a->acl_attrs[ 0 ].an_name.bv_val, rc, text );
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: %s.\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ }
+
+ } else {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: expecting <what> got \"%s\"\n",
+ fname, lineno, left );
+ goto fail;
+ }
+ }
+
+ if ( !BER_BVISNULL( &a->acl_dn_pat ) &&
+ ber_bvccmp( &a->acl_dn_pat, '*' ) )
+ {
+ free( a->acl_dn_pat.bv_val );
+ BER_BVZERO( &a->acl_dn_pat );
+ a->acl_dn_style = ACL_STYLE_REGEX;
+ }
+
+ if ( !BER_BVISEMPTY( &a->acl_dn_pat ) ||
+ a->acl_dn_style != ACL_STYLE_REGEX )
+ {
+ if ( a->acl_dn_style != ACL_STYLE_REGEX ) {
+ struct berval bv;
+ rc = dnNormalize( 0, NULL, NULL, &a->acl_dn_pat, &bv, NULL);
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: bad DN \"%s\" in to DN clause\n",
+ fname, lineno, a->acl_dn_pat.bv_val );
+ goto fail;
+ }
+ free( a->acl_dn_pat.bv_val );
+ a->acl_dn_pat = bv;
+
+ } else {
+ int e = regcomp( &a->acl_dn_re, a->acl_dn_pat.bv_val,
+ REG_EXTENDED | REG_ICASE );
+ if ( e ) {
+ char err[ SLAP_TEXT_BUFLEN ],
+ buf[ SLAP_TEXT_BUFLEN ];
+
+ regerror( e, &a->acl_dn_re, err, sizeof( err ) );
+ snprintf( buf, sizeof( buf ),
+ "regular expression \"%s\" bad because of %s",
+ right, err );
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ }
+ }
+
+ /* by clause - select who has what access to entries */
+ } else if ( strcasecmp( argv[i], "by" ) == 0 ) {
+ if ( a == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "to clause required before by clause in access line\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ /*
+ * by clause consists of <who> and <access>
+ */
+
+ if ( ++i == argc ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: premature EOL: expecting <who>\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b = (Access *) ch_calloc( 1, sizeof(Access) );
+
+ ACL_INVALIDATE( b->a_access_mask );
+
+ /* get <who> */
+ for ( ; i < argc; i++ ) {
+ slap_style_t sty = ACL_STYLE_REGEX;
+ char *style_modifier = NULL;
+ char *style_level = NULL;
+ int level = 0;
+ int expand = 0;
+ slap_dn_access *bdn = &b->a_dn;
+ int is_realdn = 0;
+
+ split( argv[i], '=', &left, &right );
+ split( left, '.', &left, &style );
+ if ( style ) {
+ split( style, ',', &style, &style_modifier );
+
+ if ( strncasecmp( style, "level", STRLENOF( "level" ) ) == 0 ) {
+ split( style, '{', &style, &style_level );
+ if ( style_level != NULL ) {
+ char *p = strchr( style_level, '}' );
+ if ( p == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: premature eol: "
+ "expecting closing '}' in \"level{n}\"\n",
+ fname, lineno, 0 );
+ goto fail;
+ } else if ( p == style_level ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: empty level "
+ "in \"level{n}\"\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+ p[0] = '\0';
+ }
+ }
+ }
+
+ if ( style == NULL || *style == '\0' ||
+ strcasecmp( style, "exact" ) == 0 ||
+ strcasecmp( style, "baseObject" ) == 0 ||
+ strcasecmp( style, "base" ) == 0 )
+ {
+ sty = ACL_STYLE_BASE;
+
+ } else if ( strcasecmp( style, "onelevel" ) == 0 ||
+ strcasecmp( style, "one" ) == 0 )
+ {
+ sty = ACL_STYLE_ONE;
+
+ } else if ( strcasecmp( style, "subtree" ) == 0 ||
+ strcasecmp( style, "sub" ) == 0 )
+ {
+ sty = ACL_STYLE_SUBTREE;
+
+ } else if ( strcasecmp( style, "children" ) == 0 ) {
+ sty = ACL_STYLE_CHILDREN;
+
+ } else if ( strcasecmp( style, "level" ) == 0 )
+ {
+ if ( lutil_atoi( &level, style_level ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unable to parse level "
+ "in \"level{n}\"\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ sty = ACL_STYLE_LEVEL;
+
+ } else if ( strcasecmp( style, "regex" ) == 0 ) {
+ sty = ACL_STYLE_REGEX;
+
+ } else if ( strcasecmp( style, "expand" ) == 0 ) {
+ sty = ACL_STYLE_EXPAND;
+
+ } else if ( strcasecmp( style, "ip" ) == 0 ) {
+ sty = ACL_STYLE_IP;
+
+ } else if ( strcasecmp( style, "ipv6" ) == 0 ) {
+#ifndef LDAP_PF_INET6
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: IPv6 not supported\n",
+ fname, lineno, 0 );
+#endif /* ! LDAP_PF_INET6 */
+ sty = ACL_STYLE_IPV6;
+
+ } else if ( strcasecmp( style, "path" ) == 0 ) {
+ sty = ACL_STYLE_PATH;
+#ifndef LDAP_PF_LOCAL
+ Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
+ "%s: line %d: "
+ "\"path\" style modifier is useless without local.\n",
+ fname, lineno, 0 );
+ goto fail;
+#endif /* LDAP_PF_LOCAL */
+
+ } else {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unknown style \"%s\" in by clause\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( style_modifier &&
+ strcasecmp( style_modifier, "expand" ) == 0 )
+ {
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "\"regex\" style implies \"expand\" modifier.\n",
+ fname, lineno, 0 );
+ goto fail;
+ break;
+
+ case ACL_STYLE_EXPAND:
+ break;
+
+ default:
+ /* we'll see later if it's pertinent */
+ expand = 1;
+ break;
+ }
+ }
+
+ if ( strncasecmp( left, "real", STRLENOF( "real" ) ) == 0 ) {
+ is_realdn = 1;
+ bdn = &b->a_realdn;
+ left += STRLENOF( "real" );
+ }
+
+ if ( strcasecmp( left, "*" ) == 0 ) {
+ if ( is_realdn ) {
+ goto fail;
+ }
+
+ ber_str2bv( "*", STRLENOF( "*" ), 1, &bv );
+ sty = ACL_STYLE_REGEX;
+
+ } else if ( strcasecmp( left, "anonymous" ) == 0 ) {
+ ber_str2bv("anonymous", STRLENOF( "anonymous" ), 1, &bv);
+ sty = ACL_STYLE_ANONYMOUS;
+
+ } else if ( strcasecmp( left, "users" ) == 0 ) {
+ ber_str2bv("users", STRLENOF( "users" ), 1, &bv);
+ sty = ACL_STYLE_USERS;
+
+ } else if ( strcasecmp( left, "self" ) == 0 ) {
+ ber_str2bv("self", STRLENOF( "self" ), 1, &bv);
+ sty = ACL_STYLE_SELF;
+
+ } else if ( strcasecmp( left, "dn" ) == 0 ) {
+ if ( sty == ACL_STYLE_REGEX ) {
+ bdn->a_style = ACL_STYLE_REGEX;
+ if ( right == NULL ) {
+ /* no '=' */
+ ber_str2bv("users",
+ STRLENOF( "users" ),
+ 1, &bv);
+ bdn->a_style = ACL_STYLE_USERS;
+
+ } else if (*right == '\0' ) {
+ /* dn="" */
+ ber_str2bv("anonymous",
+ STRLENOF( "anonymous" ),
+ 1, &bv);
+ bdn->a_style = ACL_STYLE_ANONYMOUS;
+
+ } else if ( strcmp( right, "*" ) == 0 ) {
+ /* dn=* */
+ /* any or users? users for now */
+ ber_str2bv("users",
+ STRLENOF( "users" ),
+ 1, &bv);
+ bdn->a_style = ACL_STYLE_USERS;
+
+ } else if ( strcmp( right, ".+" ) == 0
+ || strcmp( right, "^.+" ) == 0
+ || strcmp( right, ".+$" ) == 0
+ || strcmp( right, "^.+$" ) == 0
+ || strcmp( right, ".+$$" ) == 0
+ || strcmp( right, "^.+$$" ) == 0 )
+ {
+ ber_str2bv("users",
+ STRLENOF( "users" ),
+ 1, &bv);
+ bdn->a_style = ACL_STYLE_USERS;
+
+ } else if ( strcmp( right, ".*" ) == 0
+ || strcmp( right, "^.*" ) == 0
+ || strcmp( right, ".*$" ) == 0
+ || strcmp( right, "^.*$" ) == 0
+ || strcmp( right, ".*$$" ) == 0
+ || strcmp( right, "^.*$$" ) == 0 )
+ {
+ ber_str2bv("*",
+ STRLENOF( "*" ),
+ 1, &bv);
+
+ } else {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ }
+
+ } else if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause\n",
+ fname, lineno, left );
+ goto fail;
+
+ } else {
+ ber_str2bv( right, 0, 1, &bv );
+ }
+
+ } else {
+ BER_BVZERO( &bv );
+ }
+
+ if ( !BER_BVISNULL( &bv ) ) {
+ if ( !BER_BVISEMPTY( &bdn->a_pat ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dn pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( sty != ACL_STYLE_REGEX &&
+ sty != ACL_STYLE_ANONYMOUS &&
+ sty != ACL_STYLE_USERS &&
+ sty != ACL_STYLE_SELF &&
+ expand == 0 )
+ {
+ rc = dnNormalize(0, NULL, NULL,
+ &bv, &bdn->a_pat, NULL);
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: bad DN \"%s\" in by DN clause\n",
+ fname, lineno, bv.bv_val );
+ goto fail;
+ }
+ free( bv.bv_val );
+ if ( sty == ACL_STYLE_BASE
+ && be != NULL
+ && !BER_BVISNULL( &be->be_rootndn )
+ && dn_match( &bdn->a_pat, &be->be_rootndn ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: rootdn is always granted "
+ "unlimited privileges.\n",
+ fname, lineno, 0 );
+ }
+
+ } else {
+ bdn->a_pat = bv;
+ }
+ bdn->a_style = sty;
+ if ( expand ) {
+ char *exp;
+ int gotit = 0;
+
+ for ( exp = strchr( bdn->a_pat.bv_val, '$' );
+ exp && (ber_len_t)(exp - bdn->a_pat.bv_val)
+ < bdn->a_pat.bv_len;
+ exp = strchr( exp, '$' ) )
+ {
+ if ( ( isdigit( (unsigned char) exp[ 1 ] ) ||
+ exp[ 1 ] == '{' ) ) {
+ gotit = 1;
+ break;
+ }
+ }
+
+ if ( gotit == 1 ) {
+ bdn->a_expand = expand;
+
+ } else {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "\"expand\" used with no expansions in \"pattern\".\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+ }
+ if ( sty == ACL_STYLE_SELF ) {
+ bdn->a_self_level = level;
+
+ } else {
+ if ( level < 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: bad negative level \"%d\" "
+ "in by DN clause\n",
+ fname, lineno, level );
+ goto fail;
+ } else if ( level == 1 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: \"onelevel\" should be used "
+ "instead of \"level{1}\" in by DN clause\n",
+ fname, lineno, 0 );
+ } else if ( level == 0 && sty == ACL_STYLE_LEVEL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: \"base\" should be used "
+ "instead of \"level{0}\" in by DN clause\n",
+ fname, lineno, 0 );
+ }
+
+ bdn->a_level = level;
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "dnattr" ) == 0 ) {
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if( bdn->a_at != NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dnattr already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ rc = slap_str2ad( right, &bdn->a_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "dnattr \"%s\": %s",
+ right, text );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+
+ if( !is_at_syntax( bdn->a_at->ad_type,
+ SLAPD_DN_SYNTAX ) &&
+ !is_at_syntax( bdn->a_at->ad_type,
+ SLAPD_NAMEUID_SYNTAX ))
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "dnattr \"%s\": "
+ "inappropriate syntax: %s\n",
+ right,
+ bdn->a_at->ad_type->sat_syntax_oid );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+ if( bdn->a_at->ad_type->sat_equality == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: dnattr \"%s\": "
+ "inappropriate matching (no EQUALITY)\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ continue;
+ }
+
+ if ( strncasecmp( left, "group", STRLENOF( "group" ) ) == 0 ) {
+ char *name = NULL;
+ char *value = NULL;
+ char *attr_name = SLAPD_GROUP_ATTR;
+
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ /* legacy, tolerated */
+ Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
+ "%s: line %d: "
+ "deprecated group style \"regex\"; "
+ "use \"expand\" instead.\n",
+ fname, lineno, 0 );
+ sty = ACL_STYLE_EXPAND;
+ break;
+
+ case ACL_STYLE_BASE:
+ /* legal, traditional */
+ case ACL_STYLE_EXPAND:
+ /* legal, substring expansion; supersedes regex */
+ break;
+
+ default:
+ /* unknown */
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause.\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: group pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ /* format of string is
+ "group/objectClassValue/groupAttrName" */
+ if ( ( value = strchr(left, '/') ) != NULL ) {
+ *value++ = '\0';
+ if ( *value && ( name = strchr( value, '/' ) ) != NULL ) {
+ *name++ = '\0';
+ }
+ }
+
+ b->a_group_style = sty;
+ if ( sty == ACL_STYLE_EXPAND ) {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ b->a_group_pat = bv;
+
+ } else {
+ ber_str2bv( right, 0, 0, &bv );
+ rc = dnNormalize( 0, NULL, NULL, &bv,
+ &b->a_group_pat, NULL );
+ if ( rc != LDAP_SUCCESS ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: bad DN \"%s\".\n",
+ fname, lineno, right );
+ goto fail;
+ }
+ }
+
+ if ( value && *value ) {
+ b->a_group_oc = oc_find( value );
+ *--value = '/';
+
+ if ( b->a_group_oc == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: group objectclass "
+ "\"%s\" unknown.\n",
+ fname, lineno, value );
+ goto fail;
+ }
+
+ } else {
+ b->a_group_oc = oc_find( SLAPD_GROUP_CLASS );
+
+ if( b->a_group_oc == NULL ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: group default objectclass "
+ "\"%s\" unknown.\n",
+ fname, lineno, SLAPD_GROUP_CLASS );
+ goto fail;
+ }
+ }
+
+ if ( is_object_subclass( slap_schema.si_oc_referral,
+ b->a_group_oc ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: group objectclass \"%s\" "
+ "is subclass of referral.\n",
+ fname, lineno, value );
+ goto fail;
+ }
+
+ if ( is_object_subclass( slap_schema.si_oc_alias,
+ b->a_group_oc ) )
+ {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: group objectclass \"%s\" "
+ "is subclass of alias.\n",
+ fname, lineno, value );
+ goto fail;
+ }
+
+ if ( name && *name ) {
+ attr_name = name;
+ *--name = '/';
+
+ }
+
+ rc = slap_str2ad( attr_name, &b->a_group_at, &text );
+ if ( rc != LDAP_SUCCESS ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "group \"%s\": %s.",
+ right, text );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+ if ( !is_at_syntax( b->a_group_at->ad_type,
+ SLAPD_DN_SYNTAX ) /* e.g. "member" */
+ && !is_at_syntax( b->a_group_at->ad_type,
+ SLAPD_NAMEUID_SYNTAX ) /* e.g. memberUID */
+ && !is_at_subtype( b->a_group_at->ad_type,
+ slap_schema.si_ad_labeledURI->ad_type ) /* e.g. memberURL */ )
+ {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "group \"%s\" attr \"%s\": inappropriate syntax: %s; "
+ "must be " SLAPD_DN_SYNTAX " (DN), "
+ SLAPD_NAMEUID_SYNTAX " (NameUID) "
+ "or a subtype of labeledURI.",
+ right,
+ attr_name,
+ at_syntax( b->a_group_at->ad_type ) );
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+
+
+ {
+ int rc;
+ ObjectClass *ocs[2];
+
+ ocs[0] = b->a_group_oc;
+ ocs[1] = NULL;
+
+ rc = oc_check_allowed( b->a_group_at->ad_type,
+ ocs, NULL );
+
+ if( rc != 0 ) {
+ char buf[ SLAP_TEXT_BUFLEN ];
+
+ snprintf( buf, sizeof( buf ),
+ "group: \"%s\" not allowed by \"%s\".",
+ b->a_group_at->ad_cname.bv_val,
+ b->a_group_oc->soc_oid );
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: %s\n",
+ fname, lineno, buf );
+ goto fail;
+ }
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "peername" ) == 0 ) {
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ case ACL_STYLE_BASE:
+ /* legal, traditional */
+ case ACL_STYLE_EXPAND:
+ /* cheap replacement to regex for simple expansion */
+ case ACL_STYLE_IP:
+ case ACL_STYLE_IPV6:
+ case ACL_STYLE_PATH:
+ /* legal, peername specific */
+ break;
+
+ default:
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause.\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "peername pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b->a_peername_style = sty;
+ if ( sty == ACL_STYLE_REGEX ) {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ b->a_peername_pat = bv;
+
+ } else {
+ ber_str2bv( right, 0, 1, &b->a_peername_pat );
+
+ if ( sty == ACL_STYLE_IP ) {
+ char *addr = NULL,
+ *mask = NULL,
+ *port = NULL;
+
+ split( right, '{', &addr, &port );
+ split( addr, '%', &addr, &mask );
+
+ b->a_peername_addr = inet_addr( addr );
+ if ( b->a_peername_addr == (unsigned long)(-1) ) {
+ /* illegal address */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername address \"%s\".\n",
+ fname, lineno, addr );
+ goto fail;
+ }
+
+ b->a_peername_mask = (unsigned long)(-1);
+ if ( mask != NULL ) {
+ b->a_peername_mask = inet_addr( mask );
+ if ( b->a_peername_mask ==
+ (unsigned long)(-1) )
+ {
+ /* illegal mask */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername address mask "
+ "\"%s\".\n",
+ fname, lineno, mask );
+ goto fail;
+ }
+ }
+
+ b->a_peername_port = -1;
+ if ( port ) {
+ char *end = NULL;
+
+ b->a_peername_port = strtol( port, &end, 10 );
+ if ( end == port || end[0] != '}' ) {
+ /* illegal port */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername port specification "
+ "\"{%s}\".\n",
+ fname, lineno, port );
+ goto fail;
+ }
+ }
+
+#ifdef LDAP_PF_INET6
+ } else if ( sty == ACL_STYLE_IPV6 ) {
+ char *addr = NULL,
+ *mask = NULL,
+ *port = NULL;
+
+ split( right, '{', &addr, &port );
+ split( addr, '%', &addr, &mask );
+
+ if ( inet_pton( AF_INET6, addr, &b->a_peername_addr6 ) != 1 ) {
+ /* illegal address */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername address \"%s\".\n",
+ fname, lineno, addr );
+ goto fail;
+ }
+
+ if ( mask == NULL ) {
+ mask = "FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF:FFFF";
+ }
+
+ if ( inet_pton( AF_INET6, mask, &b->a_peername_mask6 ) != 1 ) {
+ /* illegal mask */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername address mask "
+ "\"%s\".\n",
+ fname, lineno, mask );
+ goto fail;
+ }
+
+ b->a_peername_port = -1;
+ if ( port ) {
+ char *end = NULL;
+
+ b->a_peername_port = strtol( port, &end, 10 );
+ if ( end == port || end[0] != '}' ) {
+ /* illegal port */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "illegal peername port specification "
+ "\"{%s}\".\n",
+ fname, lineno, port );
+ goto fail;
+ }
+ }
+#endif /* LDAP_PF_INET6 */
+ }
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sockname" ) == 0 ) {
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ case ACL_STYLE_BASE:
+ /* legal, traditional */
+ case ACL_STYLE_EXPAND:
+ /* cheap replacement to regex for simple expansion */
+ break;
+
+ default:
+ /* unknown */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( !BER_BVISNULL( &b->a_sockname_pat ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "sockname pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b->a_sockname_style = sty;
+ if ( sty == ACL_STYLE_REGEX ) {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ b->a_sockname_pat = bv;
+
+ } else {
+ ber_str2bv( right, 0, 1, &b->a_sockname_pat );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "domain" ) == 0 ) {
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ case ACL_STYLE_BASE:
+ case ACL_STYLE_SUBTREE:
+ /* legal, traditional */
+ break;
+
+ case ACL_STYLE_EXPAND:
+ /* tolerated: means exact,expand */
+ if ( expand ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: "
+ "\"expand\" modifier "
+ "with \"expand\" style.\n",
+ fname, lineno, 0 );
+ }
+ sty = ACL_STYLE_BASE;
+ expand = 1;
+ break;
+
+ default:
+ /* unknown */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause.\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: domain pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b->a_domain_style = sty;
+ b->a_domain_expand = expand;
+ if ( sty == ACL_STYLE_REGEX ) {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ b->a_domain_pat = bv;
+
+ } else {
+ ber_str2bv( right, 0, 1, &b->a_domain_pat );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sockurl" ) == 0 ) {
+ switch ( sty ) {
+ case ACL_STYLE_REGEX:
+ case ACL_STYLE_BASE:
+ /* legal, traditional */
+ case ACL_STYLE_EXPAND:
+ /* cheap replacement to regex for simple expansion */
+ break;
+
+ default:
+ /* unknown */
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( right == NULL || right[0] == '\0' ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "missing \"=\" in (or value after) \"%s\" "
+ "in by clause.\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: sockurl pattern already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b->a_sockurl_style = sty;
+ if ( sty == ACL_STYLE_REGEX ) {
+ acl_regex_normalized_dn( right, &bv );
+ if ( !ber_bvccmp( &bv, '*' ) ) {
+ regtest( fname, lineno, bv.bv_val );
+ }
+ b->a_sockurl_pat = bv;
+
+ } else {
+ ber_str2bv( right, 0, 1, &b->a_sockurl_pat );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "set" ) == 0 ) {
+ switch ( sty ) {
+ /* deprecated */
+ case ACL_STYLE_REGEX:
+ Debug( LDAP_DEBUG_CONFIG | LDAP_DEBUG_ACL,
+ "%s: line %d: "
+ "deprecated set style "
+ "\"regex\" in <by> clause; "
+ "use \"expand\" instead.\n",
+ fname, lineno, 0 );
+ sty = ACL_STYLE_EXPAND;
+ /* FALLTHRU */
+
+ case ACL_STYLE_BASE:
+ case ACL_STYLE_EXPAND:
+ break;
+
+ default:
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: set attribute already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: no set is defined.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ b->a_set_style = sty;
+ ber_str2bv( right, 0, 1, &b->a_set_pat );
+
+ continue;
+ }
+
+#ifdef SLAP_DYNACL
+ {
+ char *name = NULL,
+ *opts = NULL;
+
+#if 1 /* tolerate legacy "aci" <who> */
+ if ( strcasecmp( left, "aci" ) == 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "undocumented deprecated \"aci\" directive "
+ "is superseded by \"dynacl/aci\".\n",
+ fname, lineno, 0 );
+ name = "aci";
+
+ } else
+#endif /* tolerate legacy "aci" <who> */
+ if ( strncasecmp( left, "dynacl/", STRLENOF( "dynacl/" ) ) == 0 ) {
+ name = &left[ STRLENOF( "dynacl/" ) ];
+ opts = strchr( name, '/' );
+ if ( opts ) {
+ opts[ 0 ] = '\0';
+ opts++;
+ }
+ }
+
+ if ( name ) {
+ if ( slap_dynacl_config( fname, lineno, b, name, opts, sty, right ) ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "unable to configure dynacl \"%s\".\n",
+ fname, lineno, name );
+ goto fail;
+ }
+
+ continue;
+ }
+ }
+#endif /* SLAP_DYNACL */
+
+ if ( strcasecmp( left, "ssf" ) == 0 ) {
+ if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( b->a_authz.sai_ssf ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: ssf attribute already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: no ssf is defined.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( lutil_atou( &b->a_authz.sai_ssf, right ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: unable to parse ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ if ( !b->a_authz.sai_ssf ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: invalid ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
+ if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( b->a_authz.sai_transport_ssf ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "transport_ssf attribute already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: no transport_ssf is defined.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( lutil_atou( &b->a_authz.sai_transport_ssf, right ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "unable to parse transport_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ if ( !b->a_authz.sai_transport_ssf ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: invalid transport_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
+ if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( b->a_authz.sai_tls_ssf ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "tls_ssf attribute already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: no tls_ssf is defined\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( lutil_atou( &b->a_authz.sai_tls_ssf, right ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "unable to parse tls_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ if ( !b->a_authz.sai_tls_ssf ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: invalid tls_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
+ if ( sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "inappropriate style \"%s\" in by clause.\n",
+ fname, lineno, style );
+ goto fail;
+ }
+
+ if ( b->a_authz.sai_sasl_ssf ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "sasl_ssf attribute already specified.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: no sasl_ssf is defined.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( lutil_atou( &b->a_authz.sai_sasl_ssf, right ) != 0 ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "unable to parse sasl_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+
+ if ( !b->a_authz.sai_sasl_ssf ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: invalid sasl_ssf value (%s).\n",
+ fname, lineno, right );
+ goto fail;
+ }
+ continue;
+ }
+
+ if ( right != NULL ) {
+ /* unsplit */
+ right[-1] = '=';
+ }
+ break;
+ }
+
+ if ( i == argc || ( strcasecmp( left, "stop" ) == 0 ) ) {
+ /* out of arguments or plain stop */
+
+ ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
+ ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
+ b->a_type = ACL_STOP;
+
+ access_append( &a->acl_access, b );
+ continue;
+ }
+
+ if ( strcasecmp( left, "continue" ) == 0 ) {
+ /* plain continue */
+
+ ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
+ ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
+ b->a_type = ACL_CONTINUE;
+
+ access_append( &a->acl_access, b );
+ continue;
+ }
+
+ if ( strcasecmp( left, "break" ) == 0 ) {
+ /* plain continue */
+
+ ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
+ ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
+ b->a_type = ACL_BREAK;
+
+ access_append( &a->acl_access, b );
+ continue;
+ }
+
+ if ( strcasecmp( left, "by" ) == 0 ) {
+ /* we've gone too far */
+ --i;
+ ACL_PRIV_ASSIGN( b->a_access_mask, ACL_PRIV_ADDITIVE );
+ ACL_PRIV_SET( b->a_access_mask, ACL_PRIV_NONE);
+ b->a_type = ACL_STOP;
+
+ access_append( &a->acl_access, b );
+ continue;
+ }
+
+ /* get <access> */
+ {
+ char *lleft = left;
+
+ if ( strncasecmp( left, "self", STRLENOF( "self" ) ) == 0 ) {
+ b->a_dn_self = 1;
+ lleft = &left[ STRLENOF( "self" ) ];
+
+ } else if ( strncasecmp( left, "realself", STRLENOF( "realself" ) ) == 0 ) {
+ b->a_realdn_self = 1;
+ lleft = &left[ STRLENOF( "realself" ) ];
+ }
+
+ ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( lleft ) );
+ }
+
+ if ( ACL_IS_INVALID( b->a_access_mask ) ) {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: expecting <access> got \"%s\".\n",
+ fname, lineno, left );
+ goto fail;
+ }
+
+ b->a_type = ACL_STOP;
+
+ if ( ++i == argc ) {
+ /* out of arguments or plain stop */
+ access_append( &a->acl_access, b );
+ continue;
+ }
+
+ if ( strcasecmp( argv[i], "continue" ) == 0 ) {
+ /* plain continue */
+ b->a_type = ACL_CONTINUE;
+
+ } else if ( strcasecmp( argv[i], "break" ) == 0 ) {
+ /* plain continue */
+ b->a_type = ACL_BREAK;
+
+ } else if ( strcasecmp( argv[i], "stop" ) != 0 ) {
+ /* gone to far */
+ i--;
+ }
+
+ access_append( &a->acl_access, b );
+ b = NULL;
+
+ } else {
+ Debug( LDAP_DEBUG_ANY,
+ "%s: line %d: expecting \"to\" "
+ "or \"by\" got \"%s\"\n",
+ fname, lineno, argv[i] );
+ goto fail;
+ }
+ }
+
+ /* if we have no real access clause, complain and do nothing */
+ if ( a == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "warning: no access clause(s) specified in access line.\n",
+ fname, lineno, 0 );
+ goto fail;
+
+ } else {
+#ifdef LDAP_DEBUG
+ if ( slap_debug & LDAP_DEBUG_ACL ) {
+ print_acl( be, a );
+ }
+#endif
+
+ if ( a->acl_access == NULL ) {
+ Debug( LDAP_DEBUG_ANY, "%s: line %d: "
+ "warning: no by clause(s) specified in access line.\n",
+ fname, lineno, 0 );
+ goto fail;
+ }
+
+ if ( be != NULL ) {
+ if ( be->be_nsuffix == NULL ) {
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "scope checking needs suffix before ACLs.\n",
+ fname, lineno, 0 );
+ /* go ahead, since checking is not authoritative */
+ } else if ( !BER_BVISNULL( &be->be_nsuffix[ 1 ] ) ) {
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "scope checking only applies to single-valued "
+ "suffix databases\n",
+ fname, lineno, 0 );
+ /* go ahead, since checking is not authoritative */
+ } else {
+ switch ( check_scope( be, a ) ) {
+ case ACL_SCOPE_UNKNOWN:
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "cannot assess the validity of the ACL scope within "
+ "backend naming context\n",
+ fname, lineno, 0 );
+ break;
+
+ case ACL_SCOPE_WARN:
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "ACL could be out of scope within backend naming context\n",
+ fname, lineno, 0 );
+ break;
+
+ case ACL_SCOPE_PARTIAL:
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "ACL appears to be partially out of scope within "
+ "backend naming context\n",
+ fname, lineno, 0 );
+ break;
+
+ case ACL_SCOPE_ERR:
+ Debug( LDAP_DEBUG_ACL, "%s: line %d: warning: "
+ "ACL appears to be out of scope within "
+ "backend naming context\n",
+ fname, lineno, 0 );
+ break;
+
+ default:
+ break;
+ }
+ }
+ acl_append( &be->be_acl, a, pos );
+
+ } else {
+ acl_append( &frontendDB->be_acl, a, pos );
+ }
+ }
+
+ return 0;
+
+fail:
+ if ( b ) access_free( b );
+ if ( a ) acl_free( a );
+ return acl_usage();
+}
+
+char *
+accessmask2str( slap_mask_t mask, char *buf, int debug )
+{
+ int none = 1;
+ char *ptr = buf;
+
+ assert( buf != NULL );
+
+ if ( ACL_IS_INVALID( mask ) ) {
+ return "invalid";
+ }
+
+ buf[0] = '\0';
+
+ if ( ACL_IS_LEVEL( mask ) ) {
+ if ( ACL_LVL_IS_NONE(mask) ) {
+ ptr = lutil_strcopy( ptr, "none" );
+
+ } else if ( ACL_LVL_IS_DISCLOSE(mask) ) {
+ ptr = lutil_strcopy( ptr, "disclose" );
+
+ } else if ( ACL_LVL_IS_AUTH(mask) ) {
+ ptr = lutil_strcopy( ptr, "auth" );
+
+ } else if ( ACL_LVL_IS_COMPARE(mask) ) {
+ ptr = lutil_strcopy( ptr, "compare" );
+
+ } else if ( ACL_LVL_IS_SEARCH(mask) ) {
+ ptr = lutil_strcopy( ptr, "search" );
+
+ } else if ( ACL_LVL_IS_READ(mask) ) {
+ ptr = lutil_strcopy( ptr, "read" );
+
+ } else if ( ACL_LVL_IS_WRITE(mask) ) {
+ ptr = lutil_strcopy( ptr, "write" );
+
+ } else if ( ACL_LVL_IS_WADD(mask) ) {
+ ptr = lutil_strcopy( ptr, "add" );
+
+ } else if ( ACL_LVL_IS_WDEL(mask) ) {
+ ptr = lutil_strcopy( ptr, "delete" );
+
+ } else if ( ACL_LVL_IS_MANAGE(mask) ) {
+ ptr = lutil_strcopy( ptr, "manage" );
+
+ } else {
+ ptr = lutil_strcopy( ptr, "unknown" );
+ }
+
+ if ( !debug ) {
+ *ptr = '\0';
+ return buf;
+ }
+ *ptr++ = '(';
+ }
+
+ if( ACL_IS_ADDITIVE( mask ) ) {
+ *ptr++ = '+';
+
+ } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
+ *ptr++ = '-';
+
+ } else {
+ *ptr++ = '=';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_MANAGE) ) {
+ none = 0;
+ *ptr++ = 'm';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
+ none = 0;
+ *ptr++ = 'w';
+
+ } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WADD) ) {
+ none = 0;
+ *ptr++ = 'a';
+
+ } else if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WDEL) ) {
+ none = 0;
+ *ptr++ = 'z';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
+ none = 0;
+ *ptr++ = 'r';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
+ none = 0;
+ *ptr++ = 's';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
+ none = 0;
+ *ptr++ = 'c';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
+ none = 0;
+ *ptr++ = 'x';
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_DISCLOSE) ) {
+ none = 0;
+ *ptr++ = 'd';
+ }
+
+ if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
+ none = 0;
+ *ptr++ = '0';
+ }
+
+ if ( none ) {
+ ptr = buf;
+ }
+
+ if ( ACL_IS_LEVEL( mask ) ) {
+ *ptr++ = ')';
+ }
+
+ *ptr = '\0';
+
+ return buf;
+}
+
+slap_mask_t
+str2accessmask( const char *str )
+{
+ slap_mask_t mask;
+
+ if( !ASCII_ALPHA(str[0]) ) {
+ int i;
+
+ if ( str[0] == '=' ) {
+ ACL_INIT(mask);
+
+ } else if( str[0] == '+' ) {
+ ACL_PRIV_ASSIGN(mask, ACL_PRIV_ADDITIVE);
+
+ } else if( str[0] == '-' ) {
+ ACL_PRIV_ASSIGN(mask, ACL_PRIV_SUBSTRACTIVE);
+
+ } else {
+ ACL_INVALIDATE(mask);
+ return mask;
+ }
+
+ for( i=1; str[i] != '\0'; i++ ) {
+ if( TOLOWER((unsigned char) str[i]) == 'm' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_MANAGE);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'w' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'a' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_WADD);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'z' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_WDEL);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'r' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_READ);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 's' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'c' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'x' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
+
+ } else if( TOLOWER((unsigned char) str[i]) == 'd' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_DISCLOSE);
+
+ } else if( str[i] == '0' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_NONE);
+
+ } else {
+ ACL_INVALIDATE(mask);
+ return mask;
+ }
+ }
+
+ return mask;
+ }
+
+ if ( strcasecmp( str, "none" ) == 0 ) {
+ ACL_LVL_ASSIGN_NONE(mask);
+
+ } else if ( strcasecmp( str, "disclose" ) == 0 ) {
+ ACL_LVL_ASSIGN_DISCLOSE(mask);
+
+ } else if ( strcasecmp( str, "auth" ) == 0 ) {
+ ACL_LVL_ASSIGN_AUTH(mask);
+
+ } else if ( strcasecmp( str, "compare" ) == 0 ) {
+ ACL_LVL_ASSIGN_COMPARE(mask);
+
+ } else if ( strcasecmp( str, "search" ) == 0 ) {
+ ACL_LVL_ASSIGN_SEARCH(mask);
+
+ } else if ( strcasecmp( str, "read" ) == 0 ) {
+ ACL_LVL_ASSIGN_READ(mask);
+
+ } else if ( strcasecmp( str, "add" ) == 0 ) {
+ ACL_LVL_ASSIGN_WADD(mask);
+
+ } else if ( strcasecmp( str, "delete" ) == 0 ) {
+ ACL_LVL_ASSIGN_WDEL(mask);
+
+ } else if ( strcasecmp( str, "write" ) == 0 ) {
+ ACL_LVL_ASSIGN_WRITE(mask);
+
+ } else if ( strcasecmp( str, "manage" ) == 0 ) {
+ ACL_LVL_ASSIGN_MANAGE(mask);
+
+ } else {
+ ACL_INVALIDATE( mask );
+ }
+
+ return mask;
+}
+
+static int
+acl_usage( void )
+{
+ char *access =
+ "<access clause> ::= access to <what> "
+ "[ by <who> [ <access> ] [ <control> ] ]+ \n";
+ char *what =
+ "<what> ::= * | dn[.<dnstyle>=<DN>] [filter=<filter>] [attrs=<attrspec>]\n"
+ "<attrspec> ::= <attrname> [val[/<matchingRule>][.<attrstyle>]=<value>] | <attrlist>\n"
+ "<attrlist> ::= <attr> [ , <attrlist> ]\n"
+ "<attr> ::= <attrname> | @<objectClass> | !<objectClass> | entry | children\n";
+
+ char *who =
+ "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<DN> ]\n"
+ "\t[ realanonymous | realusers | realself | realdn[.<dnstyle>]=<DN> ]\n"
+ "\t[dnattr=<attrname>]\n"
+ "\t[realdnattr=<attrname>]\n"
+ "\t[group[/<objectclass>[/<attrname>]][.<style>]=<group>]\n"
+ "\t[peername[.<peernamestyle>]=<peer>] [sockname[.<style>]=<name>]\n"
+ "\t[domain[.<domainstyle>]=<domain>] [sockurl[.<style>]=<url>]\n"
+#ifdef SLAP_DYNACL
+ "\t[dynacl/<name>[/<options>][.<dynstyle>][=<pattern>]]\n"
+#endif /* SLAP_DYNACL */
+ "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
+ "<style> ::= exact | regex | base(Object)\n"
+ "<dnstyle> ::= base(Object) | one(level) | sub(tree) | children | "
+ "exact | regex\n"
+ "<attrstyle> ::= exact | regex | base(Object) | one(level) | "
+ "sub(tree) | children\n"
+ "<peernamestyle> ::= exact | regex | ip | ipv6 | path\n"
+ "<domainstyle> ::= exact | regex | base(Object) | sub(tree)\n"
+ "<access> ::= [[real]self]{<level>|<priv>}\n"
+ "<level> ::= none|disclose|auth|compare|search|read|{write|add|delete}|manage\n"
+ "<priv> ::= {=|+|-}{0|d|x|c|s|r|{w|a|z}|m}+\n"
+ "<control> ::= [ stop | continue | break ]\n"
+#ifdef SLAP_DYNACL
+#ifdef SLAPD_ACI_ENABLED
+ "dynacl:\n"
+ "\t<name>=ACI\t<pattern>=<attrname>\n"
+#endif /* SLAPD_ACI_ENABLED */
+#endif /* ! SLAP_DYNACL */
+ "";
+
+ Debug( LDAP_DEBUG_ANY, "%s%s%s\n", access, what, who );
+
+ return 1;
+}
+
+/*
+ * Set pattern to a "normalized" DN from src.
+ * At present it simply eats the (optional) space after
+ * a RDN separator (,)
+ * Eventually will evolve in a more complete normalization
+ */
+static void
+acl_regex_normalized_dn(
+ const char *src,
+ struct berval *pattern )
+{
+ char *str, *p;
+ ber_len_t len;
+
+ str = ch_strdup( src );
+ len = strlen( src );
+
+ for ( p = str; p && p[0]; p++ ) {
+ /* escape */
+ if ( p[0] == '\\' && p[1] ) {
+ /*
+ * if escaping a hex pair we should
+ * increment p twice; however, in that
+ * case the second hex number does
+ * no harm
+ */
+ p++;
+ }
+
+ if ( p[0] == ',' && p[1] == ' ' ) {
+ char *q;
+
+ /*
+ * too much space should be an error if we are pedantic
+ */
+ for ( q = &p[2]; q[0] == ' '; q++ ) {
+ /* DO NOTHING */ ;
+ }
+ AC_MEMCPY( p+1, q, len-(q-str)+1);
+ }
+ }
+ pattern->bv_val = str;
+ pattern->bv_len = p - str;
+
+ return;
+}
+
+static void
+split(
+ char *line,
+ int splitchar,
+ char **left,
+ char **right )
+{
+ *left = line;
+ if ( (*right = strchr( line, splitchar )) != NULL ) {
+ *((*right)++) = '\0';
+ }
+}
+
+static void
+access_append( Access **l, Access *a )
+{
+ for ( ; *l != NULL; l = &(*l)->a_next ) {
+ ; /* Empty */
+ }
+
+ *l = a;
+}
+
+void
+acl_append( AccessControl **l, AccessControl *a, int pos )
+{
+ int i;
+
+ for (i=0 ; i != pos && *l != NULL; l = &(*l)->acl_next, i++ ) {
+ ; /* Empty */
+ }
+ if ( *l && a )
+ a->acl_next = *l;
+ *l = a;
+}
+
+static void
+access_free( Access *a )
+{
+ if ( !BER_BVISNULL( &a->a_dn_pat ) ) {
+ free( a->a_dn_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_realdn_pat ) ) {
+ free( a->a_realdn_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_peername_pat ) ) {
+ free( a->a_peername_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_sockname_pat ) ) {
+ free( a->a_sockname_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_domain_pat ) ) {
+ free( a->a_domain_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_sockurl_pat ) ) {
+ free( a->a_sockurl_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_set_pat ) ) {
+ free( a->a_set_pat.bv_val );
+ }
+ if ( !BER_BVISNULL( &a->a_group_pat ) ) {
+ free( a->a_group_pat.bv_val );
+ }
+#ifdef SLAP_DYNACL
+ if ( a->a_dynacl != NULL ) {
+ slap_dynacl_t *da;
+ for ( da = a->a_dynacl; da; ) {
+ slap_dynacl_t *tmp = da;
+
+ da = da->da_next;
+
+ if ( tmp->da_destroy ) {
+ tmp->da_destroy( tmp->da_private );
+ }
+
+ ch_free( tmp );
+ }
+ }
+#endif /* SLAP_DYNACL */
+ free( a );
+}
+
+void
+acl_free( AccessControl *a )
+{
+ Access *n;
+ AttributeName *an;
+
+ if ( a->acl_filter ) {
+ filter_free( a->acl_filter );
+ }
+ if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
+ if ( a->acl_dn_style == ACL_STYLE_REGEX ) {
+ regfree( &a->acl_dn_re );
+ }
+ free ( a->acl_dn_pat.bv_val );
+ }
+ if ( a->acl_attrs ) {
+ for ( an = a->acl_attrs; !BER_BVISNULL( &an->an_name ); an++ ) {
+ free( an->an_name.bv_val );
+ }
+ free( a->acl_attrs );
+
+ if ( a->acl_attrval_style == ACL_STYLE_REGEX ) {
+ regfree( &a->acl_attrval_re );
+ }
+
+ if ( !BER_BVISNULL( &a->acl_attrval ) ) {
+ ber_memfree( a->acl_attrval.bv_val );
+ }
+ }
+ for ( ; a->acl_access; a->acl_access = n ) {
+ n = a->acl_access->a_next;
+ access_free( a->acl_access );
+ }
+ free( a );
+}
+
+void
+acl_destroy( AccessControl *a )
+{
+ AccessControl *n;
+
+ for ( ; a; a = n ) {
+ n = a->acl_next;
+ acl_free( a );
+ }
+
+ if ( !BER_BVISNULL( &aclbuf ) ) {
+ ch_free( aclbuf.bv_val );
+ BER_BVZERO( &aclbuf );
+ }
+}
+
+char *
+access2str( slap_access_t access )
+{
+ if ( access == ACL_NONE ) {
+ return "none";
+
+ } else if ( access == ACL_DISCLOSE ) {
+ return "disclose";
+
+ } else if ( access == ACL_AUTH ) {
+ return "auth";
+
+ } else if ( access == ACL_COMPARE ) {
+ return "compare";
+
+ } else if ( access == ACL_SEARCH ) {
+ return "search";
+
+ } else if ( access == ACL_READ ) {
+ return "read";
+
+ } else if ( access == ACL_WRITE ) {
+ return "write";
+
+ } else if ( access == ACL_WADD ) {
+ return "add";
+
+ } else if ( access == ACL_WDEL ) {
+ return "delete";
+
+ } else if ( access == ACL_MANAGE ) {
+ return "manage";
+
+ }
+
+ return "unknown";
+}
+
+slap_access_t
+str2access( const char *str )
+{
+ if ( strcasecmp( str, "none" ) == 0 ) {
+ return ACL_NONE;
+
+ } else if ( strcasecmp( str, "disclose" ) == 0 ) {
+ return ACL_DISCLOSE;
+
+ } else if ( strcasecmp( str, "auth" ) == 0 ) {
+ return ACL_AUTH;
+
+ } else if ( strcasecmp( str, "compare" ) == 0 ) {
+ return ACL_COMPARE;
+
+ } else if ( strcasecmp( str, "search" ) == 0 ) {
+ return ACL_SEARCH;
+
+ } else if ( strcasecmp( str, "read" ) == 0 ) {
+ return ACL_READ;
+
+ } else if ( strcasecmp( str, "write" ) == 0 ) {
+ return ACL_WRITE;
+
+ } else if ( strcasecmp( str, "add" ) == 0 ) {
+ return ACL_WADD;
+
+ } else if ( strcasecmp( str, "delete" ) == 0 ) {
+ return ACL_WDEL;
+
+ } else if ( strcasecmp( str, "manage" ) == 0 ) {
+ return ACL_MANAGE;
+ }
+
+ return( ACL_INVALID_ACCESS );
+}
+
+static char *
+safe_strncopy( char *ptr, const char *src, size_t n, struct berval *buf )
+{
+ while ( ptr + n >= buf->bv_val + buf->bv_len ) {
+ char *tmp = ch_realloc( buf->bv_val, 2*buf->bv_len );
+ if ( tmp == NULL ) {
+ return NULL;
+ }
+ ptr = tmp + (ptr - buf->bv_val);
+ buf->bv_val = tmp;
+ buf->bv_len *= 2;
+ }
+
+ return lutil_strncopy( ptr, src, n );
+}
+
+static char *
+safe_strcopy( char *ptr, const char *s, struct berval *buf )
+{
+ size_t n = strlen( s );
+
+ return safe_strncopy( ptr, s, n, buf );
+}
+
+static char *
+safe_strbvcopy( char *ptr, const struct berval *bv, struct berval *buf )
+{
+ return safe_strncopy( ptr, bv->bv_val, bv->bv_len, buf );
+}
+
+#define acl_safe_strcopy( ptr, s ) safe_strcopy( (ptr), (s), &aclbuf )
+#define acl_safe_strncopy( ptr, s, n ) safe_strncopy( (ptr), (s), (n), &aclbuf )
+#define acl_safe_strbvcopy( ptr, bv ) safe_strbvcopy( (ptr), (bv), &aclbuf )
+
+static char *
+dnaccess2text( slap_dn_access *bdn, char *ptr, int is_realdn )
+{
+ *ptr++ = ' ';
+
+ if ( is_realdn ) {
+ ptr = acl_safe_strcopy( ptr, "real" );
+ }
+
+ if ( ber_bvccmp( &bdn->a_pat, '*' ) ||
+ bdn->a_style == ACL_STYLE_ANONYMOUS ||
+ bdn->a_style == ACL_STYLE_USERS ||
+ bdn->a_style == ACL_STYLE_SELF )
+ {
+ if ( is_realdn ) {
+ assert( ! ber_bvccmp( &bdn->a_pat, '*' ) );
+ }
+
+ ptr = acl_safe_strbvcopy( ptr, &bdn->a_pat );
+ if ( bdn->a_style == ACL_STYLE_SELF && bdn->a_self_level != 0 ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), ".level{%d}", bdn->a_self_level );
+ if ( n > 0 ) {
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ } /* else ? */
+ }
+
+ } else {
+ ptr = acl_safe_strcopy( ptr, "dn." );
+ if ( bdn->a_style == ACL_STYLE_BASE )
+ ptr = acl_safe_strcopy( ptr, style_base );
+ else
+ ptr = acl_safe_strcopy( ptr, style_strings[bdn->a_style] );
+ if ( bdn->a_style == ACL_STYLE_LEVEL ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), "{%d}", bdn->a_level );
+ if ( n > 0 ) {
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ } /* else ? */
+ }
+ if ( bdn->a_expand ) {
+ ptr = acl_safe_strcopy( ptr, ",expand" );
+ }
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &bdn->a_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+ return ptr;
+}
+
+static char *
+access2text( Access *b, char *ptr )
+{
+ char maskbuf[ACCESSMASK_MAXLEN];
+
+ ptr = acl_safe_strcopy( ptr, "\tby" );
+
+ if ( !BER_BVISEMPTY( &b->a_dn_pat ) ) {
+ ptr = dnaccess2text( &b->a_dn, ptr, 0 );
+ }
+ if ( b->a_dn_at ) {
+ ptr = acl_safe_strcopy( ptr, " dnattr=" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_dn_at->ad_cname );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_realdn_pat ) ) {
+ ptr = dnaccess2text( &b->a_realdn, ptr, 1 );
+ }
+ if ( b->a_realdn_at ) {
+ ptr = acl_safe_strcopy( ptr, " realdnattr=" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_realdn_at->ad_cname );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_group_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " group/" );
+ ptr = acl_safe_strcopy( ptr, b->a_group_oc ?
+ b->a_group_oc->soc_cname.bv_val : SLAPD_GROUP_CLASS );
+ ptr = acl_safe_strcopy( ptr, "/" );
+ ptr = acl_safe_strcopy( ptr, b->a_group_at ?
+ b->a_group_at->ad_cname.bv_val : SLAPD_GROUP_ATTR );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_group_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_group_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_peername_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " peername" );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_peername_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_peername_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_sockname_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " sockname" );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_sockname_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_sockname_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_domain_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " domain" );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_domain_style] );
+ if ( b->a_domain_expand ) {
+ ptr = acl_safe_strcopy( ptr, ",expand" );
+ }
+ ptr = acl_safe_strcopy( ptr, "=" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_domain_pat );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_sockurl_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " sockurl" );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_sockurl_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_sockurl_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+
+ if ( !BER_BVISEMPTY( &b->a_set_pat ) ) {
+ ptr = acl_safe_strcopy( ptr, " set" );
+ ptr = acl_safe_strcopy( ptr, "." );
+ ptr = acl_safe_strcopy( ptr, style_strings[b->a_set_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &b->a_set_pat );
+ ptr = acl_safe_strcopy( ptr, "\"" );
+ }
+
+#ifdef SLAP_DYNACL
+ if ( b->a_dynacl ) {
+ slap_dynacl_t *da;
+
+ for ( da = b->a_dynacl; da; da = da->da_next ) {
+ if ( da->da_unparse ) {
+ struct berval bv = BER_BVNULL;
+ (void)( *da->da_unparse )( da->da_private, &bv );
+ assert( !BER_BVISNULL( &bv ) );
+ ptr = acl_safe_strbvcopy( ptr, &bv );
+ ch_free( bv.bv_val );
+ }
+ }
+ }
+#endif /* SLAP_DYNACL */
+
+ /* Security Strength Factors */
+ if ( b->a_authz.sai_ssf ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), " ssf=%u",
+ b->a_authz.sai_ssf );
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ }
+ if ( b->a_authz.sai_transport_ssf ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), " transport_ssf=%u",
+ b->a_authz.sai_transport_ssf );
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ }
+ if ( b->a_authz.sai_tls_ssf ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), " tls_ssf=%u",
+ b->a_authz.sai_tls_ssf );
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ }
+ if ( b->a_authz.sai_sasl_ssf ) {
+ char buf[SLAP_TEXT_BUFLEN];
+ int n = snprintf( buf, sizeof(buf), " sasl_ssf=%u",
+ b->a_authz.sai_sasl_ssf );
+ ptr = acl_safe_strncopy( ptr, buf, n );
+ }
+
+ ptr = acl_safe_strcopy( ptr, " " );
+ if ( b->a_dn_self ) {
+ ptr = acl_safe_strcopy( ptr, "self" );
+ } else if ( b->a_realdn_self ) {
+ ptr = acl_safe_strcopy( ptr, "realself" );
+ }
+ ptr = acl_safe_strcopy( ptr, accessmask2str( b->a_access_mask, maskbuf, 0 ));
+ if ( !maskbuf[0] ) ptr--;
+
+ if( b->a_type == ACL_BREAK ) {
+ ptr = acl_safe_strcopy( ptr, " break" );
+
+ } else if( b->a_type == ACL_CONTINUE ) {
+ ptr = acl_safe_strcopy( ptr, " continue" );
+
+ } else if( b->a_type != ACL_STOP ) {
+ ptr = acl_safe_strcopy( ptr, " unknown-control" );
+ } else {
+ if ( !maskbuf[0] ) ptr = acl_safe_strcopy( ptr, " stop" );
+ }
+ ptr = acl_safe_strcopy( ptr, "\n" );
+
+ return ptr;
+}
+
+void
+acl_unparse( AccessControl *a, struct berval *bv )
+{
+ Access *b;
+ char *ptr;
+ int to = 0;
+
+ if ( BER_BVISNULL( &aclbuf ) ) {
+ aclbuf.bv_val = ch_malloc( ACLBUF_CHUNKSIZE );
+ aclbuf.bv_len = ACLBUF_CHUNKSIZE;
+ }
+
+ bv->bv_len = 0;
+
+ ptr = aclbuf.bv_val;
+
+ ptr = acl_safe_strcopy( ptr, "to" );
+ if ( !BER_BVISNULL( &a->acl_dn_pat ) ) {
+ to++;
+ ptr = acl_safe_strcopy( ptr, " dn." );
+ if ( a->acl_dn_style == ACL_STYLE_BASE )
+ ptr = acl_safe_strcopy( ptr, style_base );
+ else
+ ptr = acl_safe_strcopy( ptr, style_strings[a->acl_dn_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &a->acl_dn_pat );
+ ptr = acl_safe_strcopy( ptr, "\"\n" );
+ }
+
+ if ( a->acl_filter != NULL ) {
+ struct berval fbv = BER_BVNULL;
+
+ to++;
+ filter2bv( a->acl_filter, &fbv );
+ ptr = acl_safe_strcopy( ptr, " filter=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &fbv );
+ ptr = acl_safe_strcopy( ptr, "\"\n" );
+ ch_free( fbv.bv_val );
+ }
+
+ if ( a->acl_attrs != NULL ) {
+ int first = 1;
+ AttributeName *an;
+ to++;
+
+ ptr = acl_safe_strcopy( ptr, " attrs=" );
+ for ( an = a->acl_attrs; an && !BER_BVISNULL( &an->an_name ); an++ ) {
+ if ( ! first ) ptr = acl_safe_strcopy( ptr, ",");
+ if (an->an_oc) {
+ ptr = acl_safe_strcopy( ptr, ( an->an_flags & SLAP_AN_OCEXCLUDE ) ? "!" : "@" );
+ ptr = acl_safe_strbvcopy( ptr, &an->an_oc->soc_cname );
+
+ } else {
+ ptr = acl_safe_strbvcopy( ptr, &an->an_name );
+ }
+ first = 0;
+ }
+ ptr = acl_safe_strcopy( ptr, "\n" );
+ }
+
+ if ( !BER_BVISNULL( &a->acl_attrval ) ) {
+ to++;
+ ptr = acl_safe_strcopy( ptr, " val." );
+ if ( a->acl_attrval_style == ACL_STYLE_BASE &&
+ a->acl_attrs[0].an_desc->ad_type->sat_syntax ==
+ slap_schema.si_syn_distinguishedName )
+ ptr = acl_safe_strcopy( ptr, style_base );
+ else
+ ptr = acl_safe_strcopy( ptr, style_strings[a->acl_attrval_style] );
+ ptr = acl_safe_strcopy( ptr, "=\"" );
+ ptr = acl_safe_strbvcopy( ptr, &a->acl_attrval );
+ ptr = acl_safe_strcopy( ptr, "\"\n" );
+ }
+
+ if ( !to ) {
+ ptr = acl_safe_strcopy( ptr, " *\n" );
+ }
+
+ for ( b = a->acl_access; b != NULL; b = b->a_next ) {
+ ptr = access2text( b, ptr );
+ }
+ *ptr = '\0';
+ bv->bv_val = aclbuf.bv_val;
+ bv->bv_len = ptr - bv->bv_val;
+}
+
+#ifdef LDAP_DEBUG
+static void
+print_acl( Backend *be, AccessControl *a )
+{
+ struct berval bv;
+
+ acl_unparse( a, &bv );
+ fprintf( stderr, "%s ACL: access %s\n",
+ be == NULL ? "Global" : "Backend", bv.bv_val );
+}
+#endif /* LDAP_DEBUG */