-/* acl.c - routines to parse and check acl's */
+/* aclparse.c - routines to parse and check acl's */
+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2000 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
#include "portable.h"
#include <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
-#include <netinet/in.h>
-#include <netdb.h>
-#include <unistd.h>
-#include <regex.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 "portable.h"
-extern Filter *str2filter();
-extern struct acl *global_acl;
-extern char **str2charray();
-extern char *dn_upcase();
+static void split(char *line, int splitchar, char **left, char **right);
+static void access_append(Access **l, Access *a);
+static void acl_usage(void) LDAP_GCCATTR((noreturn));
+
+static char *acl_regex_normalized_dn(const char *pattern);
-static void split();
-static void acl_append();
-static void access_append();
-static void acl_usage();
#ifdef LDAP_DEBUG
-static void print_acl();
-static void print_access();
+static void print_acl(Backend *be, AccessControl *a);
+static void print_access(Access *b);
#endif
-int
-regtest(char *fname, int lineno, char *pat) {
+static int
+regtest(const char *fname, int lineno, char *pat) {
int e;
regex_t re;
char buf[512];
- int size;
+ unsigned size;
char *sp;
char *dp;
if ( size >= (sizeof(buf)-1) ) {
fprintf( stderr,
"%s: line %d: regular expression \"%s\" too large\n",
- fname, lineno, pat, 0 );
+ fname, lineno, pat );
acl_usage();
}
void
parse_acl(
Backend *be,
- char *fname,
+ const char *fname,
int lineno,
int argc,
char **argv
)
{
int i;
- char *e, *left, *right;
- struct acl *a;
- struct access *b;
+ char *left, *right, *style;
+ AccessControl *a;
+ Access *b;
+ int rc;
+ const char *text;
a = NULL;
for ( i = 1; i < argc; i++ ) {
fname, lineno );
acl_usage();
}
- a = (struct acl *) ch_calloc( 1, sizeof(struct acl) );
+ a = (AccessControl *) ch_calloc( 1, sizeof(AccessControl) );
+ a->acl_filter = NULL;
+ a->acl_dn_pat = NULL;
+ a->acl_attrs = NULL;
+ a->acl_access = NULL;
+ a->acl_next = NULL;
for ( ++i; i < argc; i++ ) {
if ( strcasecmp( argv[i], "by" ) == 0 ) {
i--;
}
if ( strcasecmp( argv[i], "*" ) == 0 ) {
- int e;
- if ((e = regcomp( &a->acl_dnre, ".*",
- REG_EXTENDED|REG_ICASE)))
- {
- char buf[512];
- regerror(e, &a->acl_dnre, buf, sizeof(buf));
+ if( a->acl_dn_pat != NULL ) {
fprintf( stderr,
- "%s: line %d: regular expression \"%s\" bad because of %s\n",
- fname, lineno, right, buf );
+ "%s: line %d: dn pattern"
+ " already specified in to clause.\n",
+ fname, lineno );
acl_usage();
}
- a->acl_dnpat = strdup( ".*" );
+
+ a->acl_dn_pat = ch_strdup( "*" );
continue;
}
split( argv[i], '=', &left, &right );
- if ( right == NULL || *right == '\0' ) {
+ split( left, '.', &left, &style );
+
+ if ( right == NULL ) {
fprintf( stderr,
- "%s: line %d: missing \"=\" in (or value after) \"%s\" in to clause\n",
+ "%s: line %d: missing \"=\" in \"%s\" in to clause\n",
fname, lineno, left );
acl_usage();
}
+ if ( strcasecmp( left, "dn" ) == 0 ) {
+ if( a->acl_dn_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: dn pattern"
+ " already specified in to clause.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( style == NULL || *style == '\0'
+ || strcasecmp( style, "regex" ) == 0 )
+ {
+ a->acl_dn_style = ACL_STYLE_REGEX;
+ if ( strcmp(right, "*") == 0
+ || strcmp(right, ".*") == 0
+ || strcmp(right, ".*$") == 0
+ || strcmp(right, "^.*") == 0
+ || strcmp(right, "^.*$$") == 0
+ || strcmp(right, ".*$$") == 0
+ || strcmp(right, "^.*$$") == 0 )
+ {
+ a->acl_dn_pat = ch_strdup( "*" );
+
+ } else {
+ a->acl_dn_pat = acl_regex_normalized_dn( right );
+ }
+ } else if ( strcasecmp( style, "base" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_BASE;
+ a->acl_dn_pat = ch_strdup( right );
+
+ } else if ( strcasecmp( style, "one" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_ONE;
+ a->acl_dn_pat = ch_strdup( right );
+
+ } else if ( strcasecmp( style, "subtree" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_SUBTREE;
+ a->acl_dn_pat = ch_strdup( right );
+
+ } else if ( strcasecmp( style, "children" ) == 0 ) {
+ a->acl_dn_style = ACL_STYLE_CHILDREN;
+ a->acl_dn_pat = ch_strdup( right );
+
+ } else {
+ fprintf( stderr,
+ "%s: line %d: unknown dn style \"%s\" in to clause\n",
+ fname, lineno, style );
+ acl_usage();
+ }
+
+ continue;
+ }
+
if ( strcasecmp( left, "filter" ) == 0 ) {
if ( (a->acl_filter = str2filter(
right )) == NULL ) {
fname, lineno, right );
acl_usage();
}
- } else if ( strcasecmp( left, "dn" ) == 0 ) {
- int e;
- if ((e = regcomp(&a->acl_dnre, right,
- REG_EXTENDED|REG_ICASE))) {
- char buf[512];
- regerror(e, &a->acl_dnre, buf, sizeof(buf));
- fprintf( stderr,
- "%s: line %d: regular expression \"%s\" bad because of %s\n",
- fname, lineno, right, buf );
- acl_usage();
- } else {
- a->acl_dnpat = dn_upcase(strdup( right ));
- }
- } else if ( strncasecmp( left, "attr", 4 )
- == 0 ) {
+ } else if ( strncasecmp( left, "attr", 4 ) == 0 ) {
char **alist;
alist = str2charray( right, "," );
charray_merge( &a->acl_attrs, alist );
- free( alist );
+ charray_free( alist );
+
} else {
fprintf( stderr,
"%s: line %d: expecting <what> got \"%s\"\n",
}
}
+ if ( a->acl_dn_pat != NULL && strcmp(a->acl_dn_pat, "*") == 0) {
+ free( a->acl_dn_pat );
+ a->acl_dn_pat = NULL;
+ }
+
+ if( a->acl_dn_pat != NULL ) {
+ if ( a->acl_dn_style != ACL_STYLE_REGEX )
+ {
+ dn_normalize(a->acl_dn_pat);
+
+ } else {
+ int e = regcomp( &a->acl_dn_re, a->acl_dn_pat,
+ REG_EXTENDED | REG_ICASE );
+ if ( e ) {
+ char buf[512];
+ regerror( e, &a->acl_dn_re, buf, sizeof(buf) );
+ fprintf( stderr,
+ "%s: line %d: regular expression \"%s\" bad because of %s\n",
+ fname, lineno, right, buf );
+ acl_usage();
+ }
+ }
+ }
+
/* by clause - select who has what access to entries */
} else if ( strcasecmp( argv[i], "by" ) == 0 ) {
if ( a == NULL ) {
fname, lineno );
acl_usage();
}
+
/*
* by clause consists of <who> and <access>
*/
- b = (struct access *) ch_calloc( 1,
- sizeof(struct access) );
+ b = (Access *) ch_calloc( 1, sizeof(Access) );
+
+ ACL_INVALIDATE( b->a_access_mask );
if ( ++i == argc ) {
fprintf( stderr,
}
/* get <who> */
- split( argv[i], '=', &left, &right );
- if ( strcasecmp( argv[i], "*" ) == 0 ) {
- b->a_dnpat = strdup( ".*" );
- } else if ( strcasecmp( argv[i], "self" ) == 0 ) {
- b->a_dnpat = strdup( "self" );
- } else if ( strcasecmp( left, "dn" ) == 0 ) {
- regtest(fname, lineno, right);
- b->a_dnpat = dn_upcase( strdup( right ) );
- } else if ( strcasecmp( left, "dnattr" ) == 0 ) {
- b->a_dnattr = strdup( right );
-
-#ifdef ACLGROUP
- } else if ( strcasecmp( left, "group" ) == 0 ) {
- regtest(fname, lineno, right);
- b->a_group = dn_upcase(strdup( right ));
-#endif /* ACLGROUP */
- } else if ( strcasecmp( left, "domain" ) == 0 ) {
- char *s;
- regtest(fname, lineno, right);
- b->a_domainpat = strdup( right );
-
- /* normalize the domain */
- for ( s = b->a_domainpat; *s; s++ ) {
- *s = TOLOWER( *s );
+ for ( ; i < argc; i++ ) {
+ char *pat;
+ slap_style_t sty = ACL_STYLE_REGEX;
+
+ split( argv[i], '=', &left, &right );
+ split( left, '.', &left, &style );
+ if ( style == NULL || *style == '\0'
+ || strcasecmp( style, "regex" ) == 0 )
+ {
+ sty = ACL_STYLE_REGEX;
+ } else if ( strcasecmp( style, "exact" ) == 0 ) {
+ sty = ACL_STYLE_EXACT;
+ } else if ( strcasecmp( style, "base" ) == 0 ) {
+ sty = ACL_STYLE_BASE;
+ } else if ( strcasecmp( style, "one" ) == 0 ) {
+ sty = ACL_STYLE_ONE;
+ } else if ( strcasecmp( style, "subtree" ) == 0 ) {
+ sty = ACL_STYLE_SUBTREE;
+ } else if ( strcasecmp( style, "children" ) == 0 ) {
+ sty = ACL_STYLE_CHILDREN;
+ } else {
+ fprintf( stderr,
+ "%s: line %d: unknown style \"%s\" in by clause\n",
+ fname, lineno, style );
+ acl_usage();
}
- } else if ( strcasecmp( left, "addr" ) == 0 ) {
- regtest(fname, lineno, right);
- b->a_addrpat = strdup( right );
- } else {
- fprintf( stderr,
- "%s: line %d: expecting <who> got \"%s\"\n",
- fname, lineno, left );
- acl_usage();
+
+ if ( strcasecmp( argv[i], "*" ) == 0 ) {
+ pat = ch_strdup( "*" );
+
+ } else if ( strcasecmp( argv[i], "anonymous" ) == 0 ) {
+ pat = ch_strdup( "anonymous" );
+
+ } else if ( strcasecmp( argv[i], "self" ) == 0 ) {
+ pat = ch_strdup( "self" );
+
+ } else if ( strcasecmp( argv[i], "users" ) == 0 ) {
+ pat = ch_strdup( "users" );
+
+ } else if ( strcasecmp( left, "dn" ) == 0 ) {
+ if ( sty == ACL_STYLE_REGEX ) {
+ b->a_dn_style = ACL_STYLE_REGEX;
+ if( right == NULL ) {
+ /* no '=' */
+ pat = ch_strdup( "users" );
+
+ } else if (*right == '\0' ) {
+ /* dn="" */
+ pat = ch_strdup( "anonymous" );
+
+ } else if ( strcmp( right, "*" ) == 0 ) {
+ /* dn=* */
+ /* any or users? users for now */
+ pat = ch_strdup( "users" );
+
+ } else if ( strcmp( right, ".+" ) == 0
+ || strcmp( right, "^.+" ) == 0
+ || strcmp( right, ".+$" ) == 0
+ || strcmp( right, "^.+$" ) == 0
+ || strcmp( right, ".+$$" ) == 0
+ || strcmp( right, "^.+$$" ) == 0 )
+ {
+ pat = ch_strdup( "users" );
+
+ } else if ( strcmp( right, ".*" ) == 0
+ || strcmp( right, "^.*" ) == 0
+ || strcmp( right, ".*$" ) == 0
+ || strcmp( right, "^.*$" ) == 0
+ || strcmp( right, ".*$$" ) == 0
+ || strcmp( right, "^.*$$" ) == 0 )
+ {
+ pat = ch_strdup( "*" );
+
+ } else {
+ pat = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, pat);
+ }
+ } else if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+
+ } else {
+ pat = ch_strdup( right );
+ }
+
+ } else {
+ pat = NULL;
+ }
+
+ if( pat != NULL ) {
+ if( b->a_dn_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: dn pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_dn_pat = pat;
+ b->a_dn_style = sty;
+ if ( sty != ACL_STYLE_REGEX )
+ dn_normalize(pat);
+ continue;
+ }
+
+ if ( strcasecmp( left, "dnattr" ) == 0 ) {
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_dn_at != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: dnattr already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ rc = slap_str2ad( right, &b->a_dn_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ fprintf( stderr,
+ "%s: line %d: dnattr \"%s\": %s\n",
+ fname, lineno, right, text );
+ acl_usage();
+ }
+
+
+ if( !is_at_syntax( b->a_dn_at->ad_type,
+ SLAPD_DN_SYNTAX ) &&
+ !is_at_syntax( b->a_dn_at->ad_type,
+ SLAPD_NAMEUID_SYNTAX ))
+ {
+ fprintf( stderr,
+ "%s: line %d: dnattr \"%s\": "
+ "inappropriate syntax: %s\n",
+ fname, lineno, right,
+ b->a_dn_at->ad_type->sat_syntax_oid );
+ acl_usage();
+ }
+
+ continue;
+ }
+
+ if (sty != ACL_STYLE_REGEX && sty != ACL_STYLE_BASE) {
+ fprintf( stderr,
+ "%s: line %d: inappropriate style \"%s\" in by clause\n",
+ fname, lineno, style );
+ acl_usage();
+ }
+
+ if ( strncasecmp( left, "group", sizeof("group")-1 ) == 0 ) {
+ char *name = NULL;
+ char *value = NULL;
+
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_group_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: group pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ /* 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_REGEX) {
+ char *tmp = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, tmp);
+ b->a_group_pat = tmp;
+ } else {
+ b->a_group_pat = ch_strdup( right );
+ dn_normalize(b->a_group_pat);
+ }
+
+ if (value && *value) {
+ b->a_group_oc = oc_find( value );
+ *--value = '/';
+
+ if( b->a_group_oc == NULL ) {
+ fprintf( stderr,
+ "%s: line %d: group objectclass "
+ "\"%s\" unknown\n",
+ fname, lineno, value );
+ acl_usage();
+ }
+ } else {
+ b->a_group_oc = oc_find(SLAPD_GROUP_CLASS);
+
+ if( b->a_group_oc == NULL ) {
+ fprintf( stderr,
+ "%s: line %d: group default objectclass "
+ "\"%s\" unknown\n",
+ fname, lineno, SLAPD_GROUP_CLASS );
+ acl_usage();
+ }
+ }
+
+ if( is_object_subclass( b->a_group_oc,
+ slap_schema.si_oc_referral ) )
+ {
+ fprintf( stderr,
+ "%s: line %d: group objectclass \"%s\" "
+ "is subclass of referral\n",
+ fname, lineno, value );
+ acl_usage();
+ }
+
+ if( is_object_subclass( b->a_group_oc,
+ slap_schema.si_oc_alias ) )
+ {
+ fprintf( stderr,
+ "%s: line %d: group objectclass \"%s\" "
+ "is subclass of alias\n",
+ fname, lineno, value );
+ acl_usage();
+ }
+
+ if (name && *name) {
+ rc = slap_str2ad( name, &b->a_group_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ fprintf( stderr,
+ "%s: line %d: group \"%s\": %s\n",
+ fname, lineno, right, text );
+ acl_usage();
+ }
+ *--name = '/';
+ } else {
+ rc = slap_str2ad( SLAPD_GROUP_ATTR, &b->a_group_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ fprintf( stderr,
+ "%s: line %d: group \"%s\": %s\n",
+ fname, lineno, SLAPD_GROUP_ATTR, text );
+ acl_usage();
+ }
+ }
+
+ if( !is_at_syntax( b->a_group_at->ad_type,
+ SLAPD_DN_SYNTAX ) &&
+ !is_at_syntax( b->a_group_at->ad_type,
+ SLAPD_NAMEUID_SYNTAX ) )
+ {
+ fprintf( stderr,
+ "%s: line %d: group \"%s\": inappropriate syntax: %s\n",
+ fname, lineno, right,
+ b->a_group_at->ad_type->sat_syntax_oid );
+ acl_usage();
+ }
+
+
+ {
+ int rc;
+ struct berval val;
+ struct berval *vals[2];
+
+ val.bv_val = b->a_group_oc->soc_oid;
+ val.bv_len = strlen(val.bv_val);
+ vals[0] = &val;
+ vals[1] = NULL;
+
+
+ rc = oc_check_allowed( b->a_group_at->ad_type, vals );
+
+ if( rc != 0 ) {
+ fprintf( stderr,
+ "%s: line %d: group: \"%s\" not allowed by \"%s\"\n",
+ fname, lineno,
+ b->a_group_at->ad_cname.bv_val,
+ b->a_group_oc->soc_oid );
+ acl_usage();
+ }
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "peername" ) == 0 ) {
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_peername_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: peername pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_peername_style = sty;
+ if (sty == ACL_STYLE_REGEX) {
+ char *tmp = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, tmp);
+ b->a_peername_pat = tmp;
+ } else {
+ b->a_peername_pat = ch_strdup( right );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sockname" ) == 0 ) {
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_sockname_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: sockname pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_sockname_style = sty;
+ if (sty == ACL_STYLE_REGEX) {
+ char *tmp = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, tmp);
+ b->a_sockname_pat = tmp;
+ } else {
+ b->a_sockname_pat = ch_strdup( right );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "domain" ) == 0 ) {
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_domain_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: domain pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_domain_style = sty;
+ if (sty == ACL_STYLE_REGEX) {
+ char *tmp = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, tmp);
+ b->a_domain_pat = tmp;
+ } else {
+ b->a_domain_pat = ch_strdup( right );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sockurl" ) == 0 ) {
+ if ( right == NULL || right[ 0 ] == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: missing \"=\" in (or value after) \"%s\" in by clause\n",
+ fname, lineno, left );
+ acl_usage();
+ }
+
+ if( b->a_sockurl_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: sockurl pattern already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_sockurl_style = sty;
+ if (sty == ACL_STYLE_REGEX) {
+ char *tmp = acl_regex_normalized_dn( right );
+ regtest(fname, lineno, tmp);
+ b->a_sockurl_pat = tmp;
+ } else {
+ b->a_sockurl_pat = ch_strdup( right );
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "set" ) == 0 ) {
+ if( b->a_set_pat != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: set attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: no set is defined\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_set_style = sty;
+ b->a_set_pat = ch_strdup(right);
+
+ continue;
+ }
+
+#ifdef SLAPD_ACI_ENABLED
+ if ( strcasecmp( left, "aci" ) == 0 ) {
+ if( b->a_aci_at != NULL ) {
+ fprintf( stderr,
+ "%s: line %d: aci attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right != NULL && *right != '\0' ) {
+ rc = slap_str2ad( right, &b->a_aci_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ fprintf( stderr,
+ "%s: line %d: aci \"%s\": %s\n",
+ fname, lineno, right, text );
+ acl_usage();
+ }
+
+ } else {
+ rc = slap_str2ad( SLAPD_ACI_ATTR, &b->a_aci_at, &text );
+
+ if( rc != LDAP_SUCCESS ) {
+ fprintf( stderr,
+ "%s: line %d: aci \"%s\": %s\n",
+ fname, lineno, SLAPD_ACI_ATTR, text );
+ acl_usage();
+ }
+ }
+
+ if( !is_at_syntax( b->a_aci_at->ad_type,
+ SLAPD_ACI_SYNTAX) )
+ {
+ fprintf( stderr,
+ "%s: line %d: aci \"%s\": inappropriate syntax: %s\n",
+ fname, lineno, right,
+ b->a_aci_at->ad_type->sat_syntax_oid );
+ acl_usage();
+ }
+
+ continue;
+ }
+#endif /* SLAPD_ACI_ENABLED */
+
+ if ( strcasecmp( left, "ssf" ) == 0 ) {
+ if( b->a_authz.sai_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: ssf attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: no ssf is defined\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_authz.sai_ssf = atoi( right );
+
+ if( !b->a_authz.sai_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: invalid ssf value (%s)\n",
+ fname, lineno, right );
+ acl_usage();
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "transport_ssf" ) == 0 ) {
+ if( b->a_authz.sai_transport_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: transport_ssf attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: no transport_ssf is defined\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_authz.sai_transport_ssf = atoi( right );
+
+ if( !b->a_authz.sai_transport_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: invalid transport_ssf value (%s)\n",
+ fname, lineno, right );
+ acl_usage();
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "tls_ssf" ) == 0 ) {
+ if( b->a_authz.sai_tls_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: tls_ssf attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: no tls_ssf is defined\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_authz.sai_tls_ssf = atoi( right );
+
+ if( !b->a_authz.sai_tls_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: invalid tls_ssf value (%s)\n",
+ fname, lineno, right );
+ acl_usage();
+ }
+ continue;
+ }
+
+ if ( strcasecmp( left, "sasl_ssf" ) == 0 ) {
+ if( b->a_authz.sai_sasl_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: sasl_ssf attribute already specified.\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ if ( right == NULL || *right == '\0' ) {
+ fprintf( stderr,
+ "%s: line %d: no sasl_ssf is defined\n",
+ fname, lineno );
+ acl_usage();
+ }
+
+ b->a_authz.sai_sasl_ssf = atoi( right );
+
+ if( !b->a_authz.sai_sasl_ssf ) {
+ fprintf( stderr,
+ "%s: line %d: invalid sasl_ssf value (%s)\n",
+ fname, lineno, right );
+ acl_usage();
+ }
+ continue;
+ }
+
+ if( right != NULL ) {
+ /* unsplit */
+ right[-1] = '=';
+ }
+ break;
}
- if ( ++i == argc ) {
- fprintf( stderr,
- "%s: line %d: premature eol: expecting <access>\n",
- fname, lineno );
- acl_usage();
+ if( i == argc || ( strcasecmp( left, "stop" ) == 0 )) {
+ /* out of arguments or plain stop */
+
+ ACL_PRIV_ASSIGN(b->a_access_mask, ACL_PRIV_ADDITIVE);
+ 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);
+ 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);
+ 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);
+ b->a_type = ACL_STOP;
+
+ access_append( &a->acl_access, b );
+ continue;
}
/* get <access> */
- split( argv[i], '=', &left, &right );
- if ( (b->a_access = str2access( left )) == -1 ) {
+ if( strncasecmp( left, "self", 4 ) == 0 ) {
+ b->a_dn_self = 1;
+ ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( &left[4] ) );
+
+ } else {
+ ACL_PRIV_ASSIGN( b->a_access_mask, str2accessmask( left ) );
+ }
+
+ if( ACL_IS_INVALID( b->a_access_mask ) ) {
fprintf( stderr,
- "%s: line %d: expecting <access> got \"%s\"\n",
- fname, lineno, left );
+
"%s: line %d: expecting <access> got \"%s\"\n",
+ fname, lineno, left );
acl_usage();
}
+
+ 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 );
} else {
fname, lineno );
} else {
+#ifdef LDAP_DEBUG
+ if (ldap_debug & LDAP_DEBUG_ACL)
+ print_acl(be, a);
+#endif
if ( a->acl_access == NULL ) {
fprintf( stderr,
}
char *
-access2str( int access )
+accessmask2str( slap_mask_t mask, char *buf )
{
- static char buf[12];
+ int none=1;
+
+ assert( buf != NULL );
+
+ if ( ACL_IS_INVALID( mask ) ) {
+ return "invalid";
+ }
+
+ buf[0] = '\0';
+
+ if ( ACL_IS_LEVEL( mask ) ) {
+ if ( ACL_LVL_IS_NONE(mask) ) {
+ strcat( buf, "none" );
+
+ } else if ( ACL_LVL_IS_AUTH(mask) ) {
+ strcat( buf, "auth" );
+
+ } else if ( ACL_LVL_IS_COMPARE(mask) ) {
+ strcat( buf, "compare" );
+
+ } else if ( ACL_LVL_IS_SEARCH(mask) ) {
+ strcat( buf, "search" );
+
+ } else if ( ACL_LVL_IS_READ(mask) ) {
+ strcat( buf, "read" );
+
+ } else if ( ACL_LVL_IS_WRITE(mask) ) {
+ strcat( buf, "write" );
+ } else {
+ strcat( buf, "unknown" );
+ }
+
+ strcat(buf, " (");
+ }
+
+ if( ACL_IS_ADDITIVE( mask ) ) {
+ strcat( buf, "+" );
+
+ } else if( ACL_IS_SUBTRACTIVE( mask ) ) {
+ strcat( buf, "-" );
- if ( access & ACL_SELF ) {
- strcpy( buf, "self" );
- } else {
- buf[0] = '\0';
- }
-
- if ( access & ACL_NONE ) {
- strcat( buf, "none" );
- } else if ( access & ACL_COMPARE ) {
- strcat( buf, "compare" );
- } else if ( access & ACL_SEARCH ) {
- strcat( buf, "search" );
- } else if ( access & ACL_READ ) {
- strcat( buf, "read" );
- } else if ( access & ACL_WRITE ) {
- strcat( buf, "write" );
} else {
- strcat( buf, "unknown" );
+ strcat( buf, "=" );
}
- return( buf );
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_WRITE) ) {
+ none = 0;
+ strcat( buf, "w" );
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_READ) ) {
+ none = 0;
+ strcat( buf, "r" );
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_SEARCH) ) {
+ none = 0;
+ strcat( buf, "s" );
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_COMPARE) ) {
+ none = 0;
+ strcat( buf, "c" );
+ }
+
+ if ( ACL_PRIV_ISSET(mask, ACL_PRIV_AUTH) ) {
+ none = 0;
+ strcat( buf, "x" );
+ }
+
+ if ( none && ACL_PRIV_ISSET(mask, ACL_PRIV_NONE) ) {
+ none = 0;
+ strcat( buf, "n" );
+ }
+
+ if ( none ) {
+ strcat( buf, "0" );
+ }
+
+ if ( ACL_IS_LEVEL( mask ) ) {
+ strcat(buf, ")");
+ }
+ return buf;
}
-int
-str2access( char *str )
+slap_mask_t
+str2accessmask( const char *str )
{
- int access;
+ 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(str[i]) == 'w' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_WRITE);
+
+ } else if( TOLOWER(str[i]) == 'r' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_READ);
+
+ } else if( TOLOWER(str[i]) == 's' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_SEARCH);
+
+ } else if( TOLOWER(str[i]) == 'c' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_COMPARE);
+
+ } else if( TOLOWER(str[i]) == 'x' ) {
+ ACL_PRIV_SET(mask, ACL_PRIV_AUTH);
- access = 0;
- if ( strncasecmp( str, "self", 4 ) == 0 ) {
- access |= ACL_SELF;
- str += 4;
+ } else if( str[i] != '0' ) {
+ ACL_INVALIDATE(mask);
+ return mask;
+ }
+ }
+
+ return mask;
}
if ( strcasecmp( str, "none" ) == 0 ) {
- access |= ACL_NONE;
+ ACL_LVL_ASSIGN_NONE(mask);
+
+ } else if ( strcasecmp( str, "auth" ) == 0 ) {
+ ACL_LVL_ASSIGN_AUTH(mask);
+
} else if ( strcasecmp( str, "compare" ) == 0 ) {
- access |= ACL_COMPARE;
+ ACL_LVL_ASSIGN_COMPARE(mask);
+
} else if ( strcasecmp( str, "search" ) == 0 ) {
- access |= ACL_SEARCH;
+ ACL_LVL_ASSIGN_SEARCH(mask);
+
} else if ( strcasecmp( str, "read" ) == 0 ) {
- access |= ACL_READ;
+ ACL_LVL_ASSIGN_READ(mask);
+
} else if ( strcasecmp( str, "write" ) == 0 ) {
- access |= ACL_WRITE;
+ ACL_LVL_ASSIGN_WRITE(mask);
+
} else {
- access = -1;
+ ACL_INVALIDATE( mask );
}
- return( access );
+ return mask;
}
static void
-acl_usage()
+acl_usage( void )
+{
+ fprintf( stderr, "\n"
+ "<access clause> ::= access to <what> "
+ "[ by <who> <access> [ <control> ] ]+ \n"
+ "<what> ::= * | [dn[.<dnstyle>]=<regex>] [filter=<ldapfilter>] [attrs=<attrlist>]\n"
+ "<attrlist> ::= <attr> | <attr> , <attrlist>\n"
+ "<attr> ::= <attrname> | entry | children\n"
+ "<who> ::= [ * | anonymous | users | self | dn[.<dnstyle>]=<regex> ]\n"
+ "\t[dnattr=<attrname>]\n"
+ "\t[group[/<objectclass>[/<attrname>]][.<style>]=<regex>]\n"
+ "\t[peername[.<style>]=<regex>] [sockname[.<style>]=<regex>]\n"
+ "\t[domain[.<style>]=<regex>] [sockurl[.<style>]=<regex>]\n"
+#ifdef SLAPD_ACI_ENABLED
+ "\t[aci=<attrname>]\n"
+#endif
+ "\t[ssf=<n>] [transport_ssf=<n>] [tls_ssf=<n>] [sasl_ssf=<n>]\n"
+ "<dnstyle> ::= regex | base | exact (alias of base) | one | sub | children\n"
+ "<style> ::= regex | base | exact (alias of base)\n"
+ "<groupflags> ::= R\n"
+ "<access> ::= [self]{<level>|<priv>}\n"
+ "<level> ::= none | auth | compare | search | read | write\n"
+ "<priv> ::= {=|+|-}{w|r|s|c|x}+\n"
+ "<control> ::= [ stop | continue | break ]\n"
+ );
+ exit( EXIT_FAILURE );
+}
+
+/*
+ * At present it simply eats the (optional) space after
+ * a RDN separator (,)
+ * Eventually will evolve in a more complete normalization
+ */
+static char *
+acl_regex_normalized_dn(
+ const char *pattern
+)
{
- fprintf( stderr, "\n<access clause> ::= access to <what> [ by <who> <access> ]+ \n" );
- fprintf( stderr, "<what> ::= * | [dn=<regex>] [filter=<ldapfilter>] [attrs=<attrlist>]\n" );
- fprintf( stderr, "<attrlist> ::= <attr> | <attr> , <attrlist>\n" );
- fprintf( stderr, "<attr> ::= <attrname> | entry | children\n" );
- fprintf( stderr, "<who> ::= * | self | dn=<regex> | addr=<regex> |\n\tdomain=<regex> | dnattr=<dnattrname>\n" );
- fprintf( stderr, "<access> ::= [self]{none | compare | search | read | write }\n" );
- exit( 1 );
+ char *str, *p;
+
+ str = ch_strdup( pattern );
+
+ if ( str == NULL ) {
+ return( NULL );
+ }
+
+ for ( p = str; p[ 0 ]; p++ ) {
+ /* escape */
+ if ( p[ 0 ] == '\\' ) {
+ p++;
+ }
+
+ if ( p[ 0 ] == ',' ) {
+ if ( p[ 1 ] == ' ' ) {
+ char *q;
+
+ for ( q = &p[ 2 ]; q[ 0 ] == ' '; q++ ) {
+ /* DO NOTHING */ ;
+ }
+ AC_MEMCPY( &p[ 1 ], &q[ 0 ], strlen( q ) + 1 );
+ }
+ }
+ }
+
+ return( str );
}
static void
}
static void
-access_append( struct access **l, struct access *a )
+access_append( Access **l, Access *a )
{
for ( ; *l != NULL; l = &(*l)->a_next )
; /* NULL */
*l = a;
}
-static void
-acl_append( struct acl **l, struct acl *a )
+void
+acl_append( AccessControl **l, AccessControl *a )
{
for ( ; *l != NULL; l = &(*l)->acl_next )
; /* NULL */
*l = a;
}
+char *
+access2str( slap_access_t access )
+{
+ if ( access == ACL_NONE ) {
+ return "none";
+
+ } 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";
+ }
+
+ return "unknown";
+}
+
+slap_access_t
+str2access( const char *str )
+{
+ if ( strcasecmp( str, "none" ) == 0 ) {
+ return ACL_NONE;
+
+ } 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;
+ }
+
+ return( ACL_INVALID_ACCESS );
+}
+
#ifdef LDAP_DEBUG
+static char *style_strings[5] = {
+ "regex",
+ "base",
+ "one",
+ "subtree",
+ "children"
+ };
+
+
static void
-print_access( struct access *b )
+print_access( Access *b )
{
- printf( "\tby" );
- if ( b->a_dnpat != NULL ) {
- printf( " dn=%s", b->a_dnpat );
- } else if ( b->a_addrpat != NULL ) {
- printf( " addr=%s", b->a_addrpat );
- } else if ( b->a_domainpat != NULL ) {
- printf( " domain=%s", b->a_domainpat );
- } else if ( b->a_dnattr != NULL ) {
- printf( " dnattr=%s", b->a_dnattr );
- }
- printf( " %s\n", access2str( b->a_access ) );
+ char maskbuf[ACCESSMASK_MAXLEN];
+
+ fprintf( stderr, "\tby" );
+
+ if ( b->a_dn_pat != NULL ) {
+ if( strcmp(b->a_dn_pat, "*") == 0
+ || strcmp(b->a_dn_pat, "users") == 0
+ || strcmp(b->a_dn_pat, "anonymous") == 0
+ || strcmp(b->a_dn_pat, "self") == 0 )
+ {
+ fprintf( stderr, " %s", b->a_dn_pat );
+
+ } else {
+ fprintf( stderr, " dn.%s=%s", style_strings[b->a_dn_style], b->a_dn_pat );
+ }
+ }
+
+ if ( b->a_dn_at != NULL ) {
+ fprintf( stderr, " dnattr=%s", b->a_dn_at->ad_cname.bv_val );
+ }
+
+ if ( b->a_group_pat != NULL ) {
+ fprintf( stderr, " group=%s", b->a_group_pat );
+
+ if ( b->a_group_oc ) {
+ fprintf( stderr, " objectClass: %s",
+ b->a_group_oc->soc_oclass.oc_oid );
+
+ if ( b->a_group_at ) {
+ fprintf( stderr, " attributeType: %s", b->a_group_at->ad_cname.bv_val );
+ }
+ }
+ }
+
+ if ( b->a_peername_pat != NULL ) {
+ fprintf( stderr, " peername=%s", b->a_peername_pat );
+ }
+
+ if ( b->a_sockname_pat != NULL ) {
+ fprintf( stderr, " sockname=%s", b->a_sockname_pat );
+ }
+
+ if ( b->a_domain_pat != NULL ) {
+ fprintf( stderr, " domain=%s", b->a_domain_pat );
+ }
+
+ if ( b->a_sockurl_pat != NULL ) {
+ fprintf( stderr, " sockurl=%s", b->a_sockurl_pat );
+ }
+
+#ifdef SLAPD_ACI_ENABLED
+ if ( b->a_aci_at != NULL ) {
+ fprintf( stderr, " aci=%s", b->a_aci_at->ad_cname.bv_val );
+ }
+#endif
+
+ /* Security Strength Factors */
+ if ( b->a_authz.sai_ssf ) {
+ fprintf( stderr, " ssf=%u",
+ b->a_authz.sai_ssf );
+ }
+ if ( b->a_authz.sai_transport_ssf ) {
+ fprintf( stderr, " transport_ssf=%u",
+ b->a_authz.sai_transport_ssf );
+ }
+ if ( b->a_authz.sai_tls_ssf ) {
+ fprintf( stderr, " tls_ssf=%u",
+ b->a_authz.sai_tls_ssf );
+ }
+ if ( b->a_authz.sai_sasl_ssf ) {
+ fprintf( stderr, " sasl_ssf=%u",
+ b->a_authz.sai_sasl_ssf );
+ }
+
+ fprintf( stderr, " %s%s",
+ b->a_dn_self ? "self" : "",
+ accessmask2str( b->a_access_mask, maskbuf ) );
+
+ if( b->a_type == ACL_BREAK ) {
+ fprintf( stderr, " break" );
+
+ } else if( b->a_type == ACL_CONTINUE ) {
+ fprintf( stderr, " continue" );
+
+ } else if( b->a_type != ACL_STOP ) {
+ fprintf( stderr, " unknown-control" );
+ }
+
+ fprintf( stderr, "\n" );
}
+
static void
-print_acl( struct acl *a )
+print_acl( Backend *be, AccessControl *a )
{
- int i;
- struct access *b;
+ int to = 0;
+ Access *b;
- if ( a == NULL ) {
- printf( "NULL\n" );
+ fprintf( stderr, "%s ACL: access to",
+ be == NULL ? "Global" : "Backend" );
+
+ if ( a->acl_dn_pat != NULL ) {
+ to++;
+ fprintf( stderr, " dn.%s=%s\n",
+ style_strings[a->acl_dn_style], a->acl_dn_pat );
}
- printf( "access to" );
+
if ( a->acl_filter != NULL ) {
- printf( " filter=" );
+ to++;
+ fprintf( stderr, " filter=" );
filter_print( a->acl_filter );
+ fprintf( stderr, "\n" );
}
- if ( a->acl_dnpat != NULL ) {
- printf( " dn=" );
- printf( a->acl_dnpat );
- }
+
if ( a->acl_attrs != NULL ) {
- int first = 1;
+ int i, first = 1;
+ to++;
- printf( " attrs=" );
+ fprintf( stderr, " attrs=" );
for ( i = 0; a->acl_attrs[i] != NULL; i++ ) {
if ( ! first ) {
- printf( "," );
+ fprintf( stderr, "," );
}
- printf( a->acl_attrs[i] );
+ fprintf( stderr, a->acl_attrs[i] );
first = 0;
}
+ fprintf( stderr, "\n" );
}
- printf( "\n" );
+
+ if( !to ) {
+ fprintf( stderr, " *\n" );
+ }
+
for ( b = a->acl_access; b != NULL; b = b->a_next ) {
print_access( b );
}
+
+ fprintf( stderr, "\n" );
}
#endif /* LDAP_DEBUG */
projects / openldap / blobdiff