/* acl.c - routines to parse and check acl's */
/* $OpenLDAP$ */
/*
- * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
#include <ac/string.h>
#include "slap.h"
+#include "sets.h"
+#include "lber_pvt.h"
+
+
+/*
+ * speed up compares
+ */
+static struct berval
+ aci_bv_entry = { sizeof("entry") - 1, "entry" },
+ aci_bv_br_entry = { sizeof("[entry]") - 1, "[entry]" },
+ aci_bv_br_all = { sizeof("[all]") - 1, "[all]" },
+ aci_bv_access_id = { sizeof("access-id") - 1, "access-id" },
+ aci_bv_anonymous = { sizeof("anonymous") - 1, "anonymous" },
+ aci_bv_users = { sizeof("users") - 1, "users" },
+ aci_bv_self = { sizeof("self") - 1, "self" },
+ aci_bv_dnattr = { sizeof("dnattr") - 1, "dnattr" },
+ aci_bv_group = { sizeof("group") - 1, "group" },
+ aci_bv_role = { sizeof("role") - 1, "role" },
+ aci_bv_set = { sizeof("set") - 1, "set" },
+ aci_bv_set_ref = { sizeof("set-ref") - 1, "set-ref"},
+ aci_bv_grant = { sizeof("grant") - 1, "grant" },
+ aci_bv_deny = { sizeof("deny") - 1, "deny" };
static AccessControl * acl_get(
AccessControl *ac, int *count,
Backend *be, Operation *op,
- Entry *e, char *attr,
+ Entry *e,
+ AttributeDescription *desc,
int nmatches, regmatch_t *matches );
static slap_control_t acl_mask(
- AccessControl *ac, slap_access_mask_t *mask,
+ AccessControl *ac, slap_mask_t *mask,
Backend *be, Connection *conn, Operation *op,
- Entry *e, char *attr, struct berval *val,
- regmatch_t *matches );
+ Entry *e,
+ AttributeDescription *desc,
+ struct berval *val,
+ regmatch_t *matches,
+ int count,
+ AccessControlState *state );
#ifdef SLAPD_ACI_ENABLED
static int aci_mask(
Backend *be,
+ Connection *conn,
Operation *op,
- Entry *e, char *attr, struct berval *val, struct berval *aci,
- regmatch_t *matches, slap_access_t *grant, slap_access_t *deny );
-
-char *supportedACIMechs[] = {
- "1.3.6.1.4.1.4203.666.7.1", /* experimental IETF aci family */
- "1.3.6.1.4.1.4203.666.7.2", /* experimental OpenLDAP aci family */
- NULL
-};
+ Entry *e,
+ AttributeDescription *desc,
+ struct berval *val,
+ struct berval *aci,
+ regmatch_t *matches,
+ slap_access_t *grant,
+ slap_access_t *deny );
#endif
-static int regex_matches(char *pat, char *str, char *buf, regmatch_t *matches);
-static void string_expand(char *newbuf, int bufsiz, char *pattern,
+static int regex_matches(
+ struct berval *pat, char *str, char *buf, regmatch_t *matches);
+static void string_expand(
+ struct berval *newbuf, struct berval *pattern,
char *match, regmatch_t *matches);
+typedef struct AciSetCookie {
+ Backend *be;
+ Entry *e;
+ Connection *conn;
+ Operation *op;
+} AciSetCookie;
+
+SLAP_SET_GATHER aci_set_gather;
+static int aci_match_set ( struct berval *subj, Backend *be,
+ Entry *e, Connection *conn, Operation *op, int setref );
/*
* access_allowed - check whether op->o_ndn is allowed the requested access
Connection *conn,
Operation *op,
Entry *e,
- char *attr,
+ AttributeDescription *desc,
struct berval *val,
- slap_access_t access
-)
+ slap_access_t access,
+ AccessControlState *state )
{
+ int ret = 1;
int count;
AccessControl *a;
#ifdef LDAP_DEBUG
char accessmaskbuf[ACCESSMASK_MAXLEN];
#endif
- slap_access_mask_t mask;
+ slap_mask_t mask;
slap_control_t control;
+ const char *attr;
+ regmatch_t matches[MAXREMATCHES];
+
+ assert( e != NULL );
+ assert( desc != NULL );
+ assert( access > ACL_NONE );
- regmatch_t matches[MAXREMATCHES];
+ attr = desc->ad_cname.bv_val;
+ assert( attr != NULL );
+
+ if( state && state->as_recorded ) {
+ if( state->as_recorded & ACL_STATE_RECORDED_NV &&
+ val == NULL )
+ {
+ return state->as_result;
+
+ } else if ( state->as_recorded & ACL_STATE_RECORDED_VD &&
+ val != NULL && state->as_vd_acl == NULL )
+ {
+ return state->as_result;
+ }
+ }
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_ENTRY,
+ "access_allowed: conn %lu %s access to \"%s\" \"%s\" requested\n",
+ conn ? conn->c_connid : -1, access2str( access ), e->e_dn, attr ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: %s access to \"%s\" \"%s\" requested\n",
- access2str( access ),
- e->e_dn, attr );
+ access2str( access ), e->e_dn, attr );
+#endif
+ if ( op == NULL ) {
+ /* no-op call */
+ goto done;
+ }
+
+ if ( be == NULL ) be = &backends[0];
assert( be != NULL );
- assert( e != NULL );
- assert( attr != NULL );
- assert( access > ACL_NONE );
/* grant database root access */
- if ( be != NULL && be_isroot( be, op->o_ndn ) ) {
+ if ( be != NULL && be_isroot( be, &op->o_ndn ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_INFO,
+ "access_allowed: conn %lu root access granted\n",
+ conn->c_connid));
+#else
Debug( LDAP_DEBUG_ACL,
"<= root access granted\n",
0, 0, 0 );
- return 1;
+#endif
+ goto done;
}
/*
* by ACL_WRITE checking as any found here are not provided
* by the user
*/
- if ( access >= ACL_WRITE && oc_check_op_no_usermod_attr( attr ) ) {
- Debug( LDAP_DEBUG_ACL, "NoUserMod Operational attribute:"
+ if ( access >= ACL_WRITE && is_at_no_user_mod( desc->ad_type )
+ && desc != slap_schema.si_ad_entry
+ && desc != slap_schema.si_ad_children )
+ {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu NoUserMod Operational attribute: %s access granted\n",
+ conn->c_connid, attr ));
+#else
+ Debug( LDAP_DEBUG_ACL, "NoUserMod Operational attribute:"
" %s access granted\n",
attr, 0, 0 );
- return 1;
+#endif
+ goto done;
}
/* use backend default access if no backend acls */
if( be != NULL && be->be_acl == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu backend default %s access %s to \"%s\"\n",
+ conn->c_connid, access2str( access ),
+ be->be_dfltaccess >= access ? "granted" : "denied", op->o_dn.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: backend default %s access %s to \"%s\"\n",
access2str( access ),
- be->be_dfltaccess >= access ? "granted" : "denied", op->o_dn );
-
- return be->be_dfltaccess >= access;
+ be->be_dfltaccess >= access ? "granted" : "denied", op->o_dn.bv_val );
+#endif
+ ret = be->be_dfltaccess >= access;
+ goto done;
#ifdef notdef
/* be is always non-NULL */
/* use global default access if no global acls */
} else if ( be == NULL && global_acl == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu global default %s access %s to \"%s\"\n",
+ conn->c_connid, access2str( access ),
+ global_default_access >= access ? "granted" : "denied", op->o_dn.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: global default %s access %s to \"%s\"\n",
access2str( access ),
- global_default_access >= access ? "granted" : "denied", op->o_dn );
-
- return global_default_access >= access;
+ global_default_access >= access ? "granted" : "denied", op->o_dn.bv_val );
+#endif
+ ret = global_default_access >= access;
+ goto done;
#endif
}
- ACL_INIT(mask);
- memset(matches, 0, sizeof(matches));
-
+ ret = 0;
control = ACL_BREAK;
- a = NULL;
- count = 0;
- while( a = acl_get( a, &count, be, op, e, attr, MAXREMATCHES, matches ) )
+ if( state && ( state->as_recorded & ACL_STATE_RECORDED_VD )) {
+ assert( state->as_vd_acl != NULL );
+
+ a = state->as_vd_acl;
+ mask = state->as_vd_acl_mask;
+ count = state->as_vd_acl_count;
+ AC_MEMCPY( matches, state->as_vd_acl_matches,
+ sizeof(matches) );
+ goto vd_access;
+
+ } else {
+ a = NULL;
+ ACL_INIT(mask);
+ count = 0;
+ memset(matches, '\0', sizeof(matches));
+ }
+
+ while((a = acl_get( a, &count, be, op, e, desc,
+ MAXREMATCHES, matches )) != NULL)
{
int i;
for (i = 0; i < MAXREMATCHES && matches[i].rm_so > 0; i++) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu match[%d]: %d %d ",
+ conn->c_connid, i,
+ (int)matches[i].rm_so, (int)matches[i].rm_eo ));
+#else
Debug( LDAP_DEBUG_ACL, "=> match[%d]: %d %d ", i,
- (int)matches[i].rm_so, (int)matches[i].rm_eo );
-
+ (int)matches[i].rm_so, (int)matches[i].rm_eo );
+#endif
if( matches[i].rm_so <= matches[0].rm_eo ) {
int n;
for ( n = matches[i].rm_so; n < matches[i].rm_eo; n++) {
Debug( LDAP_DEBUG_ACL, "%c", e->e_ndn[n], 0, 0 );
}
}
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_ARGS, "\n" ));
+#else
Debug( LDAP_DEBUG_ARGS, "\n", 0, 0, 0 );
+#endif
}
+vd_access:
control = acl_mask( a, &mask, be, conn, op,
- e, attr, val, matches );
+ e, desc, val, matches, count, state );
if ( control != ACL_BREAK ) {
break;
}
- memset(matches, 0, sizeof(matches));
+ memset(matches, '\0', sizeof(matches));
}
if ( ACL_IS_INVALID( mask ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu \"%s\" (%s) invalid!\n",
+ conn->c_connid, e->e_dn, attr ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: \"%s\" (%s) invalid!\n",
e->e_dn, attr, 0 );
- ACL_INIT( mask );
+#endif
+ ACL_INIT(mask);
} else if ( control == ACL_BREAK ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "access_allowed: conn %lu no more rules\n",
+ conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: no more rules\n", 0, 0, 0);
- ACL_INIT( mask );
+#endif
+
+ goto done;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_ENTRY,
+ "access_allowed: conn %lu %s access %s by %s\n",
+ conn->c_connid,
+ access2str( access ),
+ ACL_GRANT( mask, access ) ? "granted" : "denied",
+ accessmask2str( mask, accessmaskbuf ) ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: %s access %s by %s\n",
access2str( access ),
ACL_GRANT(mask, access) ? "granted" : "denied",
accessmask2str( mask, accessmaskbuf ) );
+#endif
- return ACL_GRANT(mask, access);
+ ret = ACL_GRANT(mask, access);
+
+done:
+ if( state != NULL ) {
+ state->as_recorded |= ACL_STATE_RECORDED;
+ state->as_result = ret;
+ }
+ return ret;
}
/*
Backend *be,
Operation *op,
Entry *e,
- char *attr,
+ AttributeDescription *desc,
int nmatch,
- regmatch_t *matches
-)
+ regmatch_t *matches )
{
+ const char *attr;
+ int dnlen, patlen;
+
assert( e != NULL );
assert( count != NULL );
+ assert( desc != NULL );
+
+ attr = desc->ad_cname.bv_val;
+
+ assert( attr != NULL );
if( a == NULL ) {
if( be == NULL ) {
a = a->acl_next;
}
+ dnlen = e->e_nname.bv_len;
+
for ( ; a != NULL; a = a->acl_next ) {
(*count) ++;
- if (a->acl_dn_pat != NULL) {
- Debug( LDAP_DEBUG_ACL, "=> dnpat: [%d] %s nsub: %d\n",
- *count, a->acl_dn_pat, (int) a->acl_dn_re.re_nsub );
-
- if (regexec(&a->acl_dn_re, e->e_ndn, nmatch, matches, 0)) {
- continue;
+ if (a->acl_dn_pat.bv_len != 0) {
+ if ( a->acl_dn_style == ACL_STYLE_REGEX ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_get: dnpat [%d] %s nsub: %d\n",
+ *count, a->acl_dn_pat.bv_val, (int) a->acl_dn_re.re_nsub ));
+#else
+ Debug( LDAP_DEBUG_ACL, "=> dnpat: [%d] %s nsub: %d\n",
+ *count, a->acl_dn_pat.bv_val, (int) a->acl_dn_re.re_nsub );
+#endif
+ if (regexec(&a->acl_dn_re, e->e_ndn, nmatch, matches, 0))
+ continue;
} else {
- Debug( LDAP_DEBUG_ACL, "=> acl_get: [%d] matched\n",
- *count, 0, 0);
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_get: dn [%d] %s\n",
+ *count, a->acl_dn_pat.bv_val ));
+#else
+ Debug( LDAP_DEBUG_ACL, "=> dn: [%d] %s\n",
+ *count, a->acl_dn_pat.bv_val, 0 );
+#endif
+ patlen = a->acl_dn_pat.bv_len;
+ if ( dnlen < patlen )
+ continue;
+
+ if ( a->acl_dn_style == ACL_STYLE_BASE ) {
+ /* base dn -- entire object DN must match */
+ if ( dnlen != patlen )
+ continue;
+
+ } else if ( a->acl_dn_style == ACL_STYLE_ONE ) {
+ int rdnlen = -1;
+
+ if ( dnlen <= patlen )
+ continue;
+
+ if ( !DN_SEPARATOR( e->e_ndn[dnlen - patlen - 1] ) )
+ continue;
+
+ rdnlen = dn_rdnlen( NULL, &e->e_nname );
+ if ( rdnlen != dnlen - patlen - 1 )
+ continue;
+
+ } else if ( a->acl_dn_style == ACL_STYLE_SUBTREE ) {
+ if ( dnlen > patlen && !DN_SEPARATOR( e->e_ndn[dnlen - patlen - 1] ) )
+ continue;
+
+ } else if ( a->acl_dn_style == ACL_STYLE_CHILDREN ) {
+ if ( dnlen <= patlen )
+ continue;
+ if ( !DN_SEPARATOR( e->e_ndn[dnlen - patlen - 1] ) )
+ continue;
+ }
+
+ if ( strcmp( a->acl_dn_pat.bv_val, e->e_ndn + dnlen - patlen ) != 0 )
+ continue;
}
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_get: [%d] matched\n",
+ *count ));
+#else
+ Debug( LDAP_DEBUG_ACL, "=> acl_get: [%d] matched\n",
+ *count, 0, 0 );
+#endif
}
if ( a->acl_filter != NULL ) {
}
}
- Debug( LDAP_DEBUG_ACL, "=> acl_get: [%d] check attr %s\n",
- *count, attr, 0);
-
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_get: [%d] check attr %s\n",
+ *count, attr ));
+#else
+ Debug( LDAP_DEBUG_ACL, "=> acl_get: [%d] check attr %s\n",
+ *count, attr, 0);
+#endif
if ( attr == NULL || a->acl_attrs == NULL ||
- charray_inlist( a->acl_attrs, attr ) )
+ ad_inlist( desc, a->acl_attrs ) )
{
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_get: [%d] acl %s attr: %s\n",
+ *count, e->e_dn, attr ));
+#else
Debug( LDAP_DEBUG_ACL,
"<= acl_get: [%d] acl %s attr: %s\n",
*count, e->e_dn, attr );
+#endif
return a;
}
matches[0].rm_so = matches[0].rm_eo = -1;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_ENTRY,
+ "acl_get: done.\n" ));
+#else
Debug( LDAP_DEBUG_ACL, "<= acl_get: done.\n", 0, 0, 0 );
+#endif
return( NULL );
}
+/*
+ * Record value-dependent access control state
+ */
+#define ACL_RECORD_VALUE_STATE do { \
+ if( state && !( state->as_recorded & ACL_STATE_RECORDED_VD )) { \
+ state->as_recorded |= ACL_STATE_RECORDED_VD; \
+ state->as_vd_acl = a; \
+ AC_MEMCPY( state->as_vd_acl_matches, matches, \
+ sizeof( state->as_vd_acl_matches )) ; \
+ state->as_vd_acl_count = count; \
+ state->as_vd_access = b; \
+ state->as_vd_access_count = i; \
+ } \
+ } while( 0 )
/*
* acl_mask - modifies mask based upon the given acl and the
static slap_control_t
acl_mask(
AccessControl *a,
- slap_access_mask_t *mask,
+ slap_mask_t *mask,
Backend *be,
Connection *conn,
Operation *op,
Entry *e,
- char *attr,
+ AttributeDescription *desc,
struct berval *val,
- regmatch_t *matches
-)
+ regmatch_t *matches,
+ int count,
+ AccessControlState *state )
{
- int i;
+ int i, odnlen, patlen;
Access *b;
#ifdef LDAP_DEBUG
char accessmaskbuf[ACCESSMASK_MAXLEN];
#endif
+ const char *attr;
assert( a != NULL );
assert( mask != NULL );
+ assert( desc != NULL );
+
+ attr = desc->ad_cname.bv_val;
+ assert( attr != NULL );
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_ENTRY,
+ "acl_mask: conn %lu access to entry \"%s\", attr \"%s\" requested\n",
+ conn->c_connid, e->e_dn, attr ));
+
+ LDAP_LOG(( "acl", LDAP_LEVEL_ARGS,
+ " to %s by \"%s\", (%s) \n",
+ val ? "value" : "all values",
+ op->o_ndn.bv_val ? op->o_ndn.bv_val : "",
+ accessmask2str( *mask, accessmaskbuf ) ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> acl_mask: access to entry \"%s\", attr \"%s\" requested\n",
e->e_dn, attr, 0 );
Debug( LDAP_DEBUG_ACL,
- "=> acl_mask: to value \"%s\" by \"%s\", (%s) \n",
- val ? val->bv_val : "*",
- op->o_ndn ? op->o_ndn : "",
+ "=> acl_mask: to %s by \"%s\", (%s) \n",
+ val ? "value" : "all values",
+ op->o_ndn.bv_val ? op->o_ndn.bv_val : "",
accessmask2str( *mask, accessmaskbuf ) );
+#endif
- for ( i = 1, b = a->acl_access; b != NULL; b = b->a_next, i++ ) {
- slap_access_mask_t oldmask, modmask;
+ if( state && ( state->as_recorded & ACL_STATE_RECORDED_VD )
+ && state->as_vd_acl == a )
+ {
+ b = state->as_vd_access;
+ i = state->as_vd_access_count;
+
+ } else {
+ b = a->acl_access;
+ i = 1;
+ }
+
+ for ( ; b != NULL; b = b->a_next, i++ ) {
+ slap_mask_t oldmask, modmask;
ACL_INVALIDATE( modmask );
/* AND <who> clauses */
- if ( b->a_dn_pat != NULL ) {
+ if ( b->a_dn_pat.bv_len != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_dn_pat: %s\n",
+ conn->c_connid, b->a_dn_pat.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL, "<= check a_dn_pat: %s\n",
- b->a_dn_pat, 0, 0);
+ b->a_dn_pat.bv_val, 0, 0);
+#endif
/*
* if access applies to the entry itself, and the
* user is bound as somebody in the same namespace as
* the entry, OR the given dn matches the dn pattern
*/
- if ( strcmp( b->a_dn_pat, "anonymous" ) == 0 ) {
- if (op->o_ndn != NULL && op->o_ndn[0] != '\0' ) {
+ if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_anonymous ) == 0 ) {
+ if ( op->o_ndn.bv_len != 0 ) {
continue;
}
- } else if ( strcmp( b->a_dn_pat, "users" ) == 0 ) {
- if (op->o_ndn == NULL || op->o_ndn[0] == '\0' ) {
+ } else if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_users ) == 0 ) {
+ if ( op->o_ndn.bv_len == 0 ) {
continue;
}
- } else if ( strcmp( b->a_dn_pat, "self" ) == 0 ) {
- if( op->o_ndn == NULL || op->o_ndn[0] == '\0' ) {
+ } else if ( ber_bvcmp( &b->a_dn_pat, &aci_bv_self ) == 0 ) {
+ if ( op->o_ndn.bv_len == 0 ) {
continue;
}
- if ( e->e_dn == NULL || strcmp( e->e_ndn, op->o_ndn ) != 0 ) {
+ if ( e->e_dn == NULL || !dn_match( &e->e_nname, &op->o_ndn ) ) {
continue;
}
- } else if ( strcmp( b->a_dn_pat, "*" ) != 0 ) {
- int ret = regex_matches( b->a_dn_pat,
- op->o_ndn, e->e_ndn, matches );
+ } else if ( b->a_dn_style == ACL_STYLE_REGEX ) {
+ if ( !ber_bvccmp( &b->a_dn_pat, '*' ) ) {
+ int ret = regex_matches( &b->a_dn_pat,
+ op->o_ndn.bv_val, e->e_ndn, matches );
+
+ if( ret == 0 ) {
+ continue;
+ }
+ }
+
+ } else {
+ struct berval pat;
+ int got_match = 0;
+
+ if ( e->e_dn == NULL )
+ continue;
+
+ if ( b->a_dn_expand ) {
+ struct berval bv;
+ char buf[1024];
+
+ bv.bv_len = sizeof( buf ) - 1;
+ bv.bv_val = buf;
+
+ string_expand(&bv, &b->a_dn_pat,
+ e->e_ndn, matches);
+ if ( dnNormalize2(NULL, &bv, &pat) != LDAP_SUCCESS ) {
+ /* did not expand to a valid dn */
+ continue;
+ }
+ } else {
+ pat = b->a_dn_pat;
+ }
+
+ patlen = pat.bv_len;
+ odnlen = op->o_ndn.bv_len;
+ if ( odnlen < patlen ) {
+ goto dn_match_cleanup;
+
+ }
+
+ if ( b->a_dn_style == ACL_STYLE_BASE ) {
+ /* base dn -- entire object DN must match */
+ if ( odnlen != patlen ) {
+ goto dn_match_cleanup;
+ }
+
+ } else if ( b->a_dn_style == ACL_STYLE_ONE ) {
+ int rdnlen = -1;
+
+ if ( odnlen <= patlen ) {
+ goto dn_match_cleanup;
+ }
+
+ if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+ goto dn_match_cleanup;
+ }
+
+ rdnlen = dn_rdnlen( NULL, &op->o_ndn );
+ if ( rdnlen != odnlen - patlen - 1 ) {
+ goto dn_match_cleanup;
+ }
+
+ } else if ( b->a_dn_style == ACL_STYLE_SUBTREE ) {
+ if ( odnlen > patlen && !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+ goto dn_match_cleanup;
+ }
+
+ } else if ( b->a_dn_style == ACL_STYLE_CHILDREN ) {
+ if ( odnlen <= patlen ) {
+ goto dn_match_cleanup;
+ }
+
+ if ( !DN_SEPARATOR( op->o_ndn.bv_val[odnlen - patlen - 1] ) ) {
+ goto dn_match_cleanup;
+ }
+ }
+
+ got_match = !strcmp( pat.bv_val, op->o_ndn.bv_val + odnlen - patlen );
+
+dn_match_cleanup:;
+ if ( pat.bv_val != b->a_dn_pat.bv_val ) {
+ free( pat.bv_val );
+ }
- if( ret == 0 ) {
+ if ( !got_match ) {
continue;
}
}
}
- if ( b->a_sockurl_pat != NULL ) {
+ if ( b->a_sockurl_pat.bv_len ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_sockurl_pat: %s\n",
+ conn->c_connid, b->a_sockurl_pat.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL, "<= check a_sockurl_pat: %s\n",
- b->a_sockurl_pat, 0, 0 );
+ b->a_sockurl_pat.bv_val, 0, 0 );
+#endif
- if ( strcmp( b->a_sockurl_pat, "*" ) != 0 &&
- !regex_matches( b->a_sockurl_pat, conn->c_listener_url,
- e->e_ndn, matches ) )
- {
- continue;
+ if ( !ber_bvccmp( &b->a_sockurl_pat, '*' ) ) {
+ if ( b->a_sockurl_style == ACL_STYLE_REGEX) {
+ if (!regex_matches( &b->a_sockurl_pat, conn->c_listener_url.bv_val,
+ e->e_ndn, matches ) )
+ {
+ continue;
+ }
+ } else {
+ if ( ber_bvstrcasecmp( &b->a_sockurl_pat, &conn->c_listener_url ) != 0 )
+ continue;
+ }
}
}
- if ( b->a_domain_pat != NULL ) {
+ if ( b->a_domain_pat.bv_len ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_domain_pat: %s\n",
+ conn->c_connid, b->a_domain_pat.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL, "<= check a_domain_pat: %s\n",
- b->a_domain_pat, 0, 0 );
-
- if ( strcmp( b->a_domain_pat, "*" ) != 0 &&
- !regex_matches( b->a_domain_pat, conn->c_peer_domain,
- e->e_ndn, matches ) )
- {
- continue;
+ b->a_domain_pat.bv_val, 0, 0 );
+#endif
+ if ( !ber_bvccmp( &b->a_domain_pat, '*' ) ) {
+ if ( b->a_domain_style == ACL_STYLE_REGEX) {
+ if (!regex_matches( &b->a_domain_pat, conn->c_peer_domain.bv_val,
+ e->e_ndn, matches ) )
+ {
+ continue;
+ }
+ } else {
+ char buf[1024];
+
+ struct berval cmp = conn->c_peer_domain;
+ struct berval pat = b->a_domain_pat;
+
+ if ( b->a_domain_expand ) {
+ struct berval bv;
+
+ bv.bv_len = sizeof(buf);
+ bv.bv_val = buf;
+
+ string_expand(&bv, &b->a_domain_pat, e->e_ndn, matches);
+ pat = bv;
+ }
+
+ if ( b->a_domain_style == ACL_STYLE_SUBTREE ) {
+ int offset = cmp.bv_len - pat.bv_len;
+ if ( offset < 0 ) {
+ continue;
+ }
+
+ if ( offset == 1 || ( offset > 1 && cmp.bv_val[ offset - 1 ] != '.' ) ) {
+ continue;
+ }
+
+ /* trim the domain */
+ cmp.bv_val = &cmp.bv_val[ offset ];
+ cmp.bv_len -= offset;
+ }
+
+ if ( ber_bvstrcasecmp( &pat, &cmp ) != 0 ) {
+ continue;
+ }
+ }
}
}
- if ( b->a_peername_pat != NULL ) {
+ if ( b->a_peername_pat.bv_len ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_perrname_path: %s\n",
+ conn->c_connid, b->a_peername_pat.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL, "<= check a_peername_path: %s\n",
- b->a_peername_pat, 0, 0 );
-
- if ( strcmp( b->a_peername_pat, "*" ) != 0 &&
- !regex_matches( b->a_peername_pat, conn->c_peer_name,
- e->e_ndn, matches ) )
- {
- continue;
+ b->a_peername_pat.bv_val, 0, 0 );
+#endif
+ if ( !ber_bvccmp( &b->a_peername_pat, '*' ) ) {
+ if ( b->a_peername_style == ACL_STYLE_REGEX) {
+ if (!regex_matches( &b->a_peername_pat, conn->c_peer_name.bv_val,
+ e->e_ndn, matches ) )
+ {
+ continue;
+ }
+ } else {
+ if ( ber_bvstrcasecmp( &b->a_peername_pat, &conn->c_peer_name ) != 0 )
+ continue;
+ }
}
}
- if ( b->a_sockname_pat != NULL ) {
+ if ( b->a_sockname_pat.bv_len ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_sockname_path: %s\n",
+ conn->c_connid, b->a_sockname_pat.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL, "<= check a_sockname_path: %s\n",
- b->a_sockname_pat, 0, 0 );
-
- if ( strcmp( b->a_sockname_pat, "*" ) != 0 &&
- !regex_matches( b->a_sockname_pat, conn->c_sock_name,
- e->e_ndn, matches ) )
- {
- continue;
+ b->a_sockname_pat.bv_val, 0, 0 );
+#endif
+ if ( !ber_bvccmp( &b->a_sockname_pat, '*' ) ) {
+ if ( b->a_sockname_style == ACL_STYLE_REGEX) {
+ if (!regex_matches( &b->a_sockname_pat, conn->c_sock_name.bv_val,
+ e->e_ndn, matches ) )
+ {
+ continue;
+ }
+ } else {
+ if ( ber_bvstrcasecmp( &b->a_sockname_pat, &conn->c_sock_name ) != 0 )
+ continue;
+ }
}
}
- if ( b->a_dn_at != NULL && op->o_ndn != NULL ) {
- char *dn_at;
+ if ( b->a_dn_at != NULL ) {
Attribute *at;
struct berval bv;
+ int rc, match = 0;
+ const char *text;
+ const char *attr = b->a_dn_at->ad_cname.bv_val;
- Debug( LDAP_DEBUG_ACL, "<= check a_dn_at: %s\n",
- b->a_dn_at, 0, 0);
+ assert( attr != NULL );
- bv.bv_val = op->o_ndn;
- bv.bv_len = strlen( bv.bv_val );
+ if ( op->o_ndn.bv_len == 0 ) {
+ continue;
+ }
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- dn_at = at_canonical_name( b->a_dn_at );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_dn_pat: %s\n",
+ conn->c_connid, attr ));
#else
- dn_at = b->a_dn_at;
+ Debug( LDAP_DEBUG_ACL, "<= check a_dn_at: %s\n",
+ attr, 0, 0);
#endif
+ bv = op->o_ndn;
- /* see if asker is listed in dnattr */
- if ( (at = attr_find( e->e_attrs, dn_at )) != NULL
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- && value_find( at->a_vals, &bv, at->a_syntax, 3 ) == 0
-#endif
- )
+ /* see if asker is listed in dnattr */
+ for( at = attrs_find( e->e_attrs, b->a_dn_at );
+ at != NULL;
+ at = attrs_find( at->a_next, b->a_dn_at ) )
{
- if ( b->a_dn_self &&
- (val == NULL
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- || value_cmp( &bv, val, at->a_syntax, 2 )
-#endif
- ) )
- {
- continue;
+ if( value_find( b->a_dn_at, at->a_vals, &bv ) == 0 ) {
+ /* found it */
+ match = 1;
+ break;
}
+ }
- /* asker not listed in dnattr - check for self access */
- } else if ( ! b->a_dn_self || val == NULL
-#ifdef SLAPD_SCHEMA_NOT_COMPAT
- /* not yet implemented */
-#else
- || value_cmp( &bv, val, at->a_syntax, 2 ) != 0
-#endif
- )
- {
- continue;
+ if( match ) {
+ /* have a dnattr match. if this is a self clause then
+ * the target must also match the op dn.
+ */
+ if ( b->a_dn_self ) {
+ /* check if the target is an attribute. */
+ if ( val == NULL )
+ continue;
+ /* target is attribute, check if the attribute value
+ * is the op dn.
+ */
+ rc = value_match( &match, b->a_dn_at,
+ b->a_dn_at->ad_type->sat_equality, 0,
+ val, &bv, &text );
+ /* on match error or no match, fail the ACL clause */
+ if (rc != LDAP_SUCCESS || match != 0 )
+ continue;
+ }
+ } else {
+ /* no dnattr match, check if this is a self clause */
+ if ( ! b->a_dn_self )
+ continue;
+
+ ACL_RECORD_VALUE_STATE;
+
+ /* this is a self clause, check if the target is an
+ * attribute.
+ */
+ if ( val == NULL )
+ continue;
+
+ /* target is attribute, check if the attribute value
+ * is the op dn.
+ */
+ rc = value_match( &match, b->a_dn_at,
+ b->a_dn_at->ad_type->sat_equality, 0,
+ val, &bv, &text );
+
+ /* on match error or no match, fail the ACL clause */
+ if (rc != LDAP_SUCCESS || match != 0 )
+ continue;
}
}
- if ( b->a_group_pat != NULL && op->o_ndn != NULL ) {
+ if ( b->a_group_pat.bv_len ) {
char buf[1024];
+ struct berval bv;
+ struct berval ndn = { 0, NULL };
+ int rc;
+
+ if ( op->o_ndn.bv_len == 0 ) {
+ continue;
+ }
+
+ bv.bv_len = sizeof(buf) - 1;
+ bv.bv_val = buf;
/* b->a_group is an unexpanded entry name, expanded it should be an
* entry with objectclass group* and we test to see if odn is one of
* the values in the attribute group
*/
/* see if asker is listed in dnattr */
- string_expand(buf, sizeof(buf), b->a_group_pat, e->e_ndn, matches);
- if ( dn_normalize(buf) == NULL ) {
- /* did not expand to a valid dn */
+ if ( b->a_group_style == ACL_STYLE_REGEX ) {
+ string_expand(&bv, &b->a_group_pat, e->e_ndn, matches);
+ if ( dnNormalize2(NULL, &bv, &ndn) != LDAP_SUCCESS ) {
+ /* did not expand to a valid dn */
+ continue;
+ }
+ bv = ndn;
+ } else {
+ bv = b->a_group_pat;
+ }
+
+ rc = backend_group(be, conn, op, e, &bv, &op->o_ndn,
+ b->a_group_oc, b->a_group_at);
+ if ( ndn.bv_val )
+ free( ndn.bv_val );
+ if ( rc != 0 ) {
continue;
}
+ }
- if (backend_group(be, e, buf, op->o_ndn,
- b->a_group_oc, b->a_group_at) != 0)
- {
+ if ( b->a_set_pat.bv_len != 0 ) {
+ if (aci_match_set( &b->a_set_pat, be, e, conn, op, 0 ) == 0) {
+ continue;
+ }
+ }
+
+ if ( b->a_authz.sai_ssf ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_authz.sai_ssf: ACL %u > OP %u\n",
+ conn->c_connid, b->a_authz.sai_ssf, op->o_ssf ));
+#else
+ Debug( LDAP_DEBUG_ACL, "<= check a_authz.sai_ssf: ACL %u > OP %u\n",
+ b->a_authz.sai_ssf, op->o_ssf, 0 );
+#endif
+ if ( b->a_authz.sai_ssf > op->o_ssf ) {
+ continue;
+ }
+ }
+
+ if ( b->a_authz.sai_transport_ssf ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_authz.sai_transport_ssf: ACL %u > OP %u\n",
+ conn->c_connid, b->a_authz.sai_transport_ssf, op->o_transport_ssf ));
+#else
+ Debug( LDAP_DEBUG_ACL,
+ "<= check a_authz.sai_transport_ssf: ACL %u > OP %u\n",
+ b->a_authz.sai_transport_ssf, op->o_transport_ssf, 0 );
+#endif
+ if ( b->a_authz.sai_transport_ssf > op->o_transport_ssf ) {
+ continue;
+ }
+ }
+
+ if ( b->a_authz.sai_tls_ssf ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_authz.sai_tls_ssf: ACL %u > OP %u\n",
+ conn->c_connid, b->a_authz.sai_tls_ssf, op->o_tls_ssf ));
+#else
+ Debug( LDAP_DEBUG_ACL,
+ "<= check a_authz.sai_tls_ssf: ACL %u > OP %u\n",
+ b->a_authz.sai_tls_ssf, op->o_tls_ssf, 0 );
+#endif
+ if ( b->a_authz.sai_tls_ssf > op->o_tls_ssf ) {
+ continue;
+ }
+ }
+
+ if ( b->a_authz.sai_sasl_ssf ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu check a_authz.sai_sasl_ssf: ACL %u > OP %u\n",
+ conn->c_connid, b->a_authz.sai_sasl_ssf, op->o_sasl_ssf ));
+#else
+ Debug( LDAP_DEBUG_ACL,
+ "<= check a_authz.sai_sasl_ssf: ACL %u > OP %u\n",
+ b->a_authz.sai_sasl_ssf, op->o_sasl_ssf, 0 );
+#endif
+ if ( b->a_authz.sai_sasl_ssf > op->o_sasl_ssf ) {
continue;
}
}
/* this case works different from the others above.
* since aci's themselves give permissions, we need
- * to first check b->a_mask, the ACL's access level.
+ * to first check b->a_access_mask, the ACL's access level.
*/
- if( op->o_ndn == NULL || op->o_ndn[0] == '\0' ) {
- continue;
- }
-
- if ( e->e_dn == NULL ) {
+ if ( e->e_nname.bv_len == 0 ) {
+ /* no ACIs in the root DSE */
continue;
}
/* first check if the right being requested
* is allowed by the ACL clause.
*/
- if ( ! ACL_GRANT( b->a_mask, *mask ) ) {
+ if ( ! ACL_GRANT( b->a_access_mask, *mask ) ) {
continue;
}
continue;
}
+ ACL_RECORD_VALUE_STATE;
+
/* start out with nothing granted, nothing denied */
ACL_INIT(tgrant);
ACL_INIT(tdeny);
* rights are determined by OR'ing the individual
* rights given by the acis.
*/
- for ( i = 0; at->a_vals[i] != NULL; i++ ) {
- if (aci_mask( be, op,
- e, attr, val, at->a_vals[i],
+ for ( i = 0; at->a_vals[i].bv_val != NULL; i++ ) {
+ if (aci_mask( be, conn, op,
+ e, desc, val, &at->a_vals[i],
matches, &grant, &deny ) != 0)
{
tgrant |= grant;
}
/* remove anything that the ACL clause does not allow */
- tgrant &= b->a_mask & ACL_PRIV_MASK;
+ tgrant &= b->a_access_mask & ACL_PRIV_MASK;
tdeny &= ACL_PRIV_MASK;
/* see if we have anything to contribute */
* by clauses that return grant/deny pairs. Right now, it does either
* additive or subtractive rights, but not both at the same time. So,
* we need to combine the grant/deny pair into a single rights mask in
- * a smart way: if either grant or deny is "empty", then we use the
+ * a smart way: if either grant or deny is "empty", then we use the
* opposite as is, otherwise we remove any denied rights from the grant
* rights mask and construct an additive mask.
*/
} else
#endif
{
- modmask = b->a_mask;
+ modmask = b->a_access_mask;
}
-
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_RESULTS,
+ "acl_mask: conn %lu [%d] applying %s (%s)\n",
+ conn->c_connid, i, accessmask2str( modmask, accessmaskbuf),
+ b->a_type == ACL_CONTINUE ? "continue" : b->a_type == ACL_BREAK
+ ? "break" : "stop" ));
+#else
Debug( LDAP_DEBUG_ACL,
"<= acl_mask: [%d] applying %s (%s)\n",
i, accessmask2str( modmask, accessmaskbuf ),
: b->a_type == ACL_BREAK
? "break"
: "stop" );
-
+#endif
/* save old mask */
oldmask = *mask;
*mask = modmask;
}
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "acl_mask: conn %lu [%d] mask: %s\n",
+ conn->c_connid, i, accessmask2str( *mask, accessmaskbuf) ));
+#else
Debug( LDAP_DEBUG_ACL,
"<= acl_mask: [%d] mask: %s\n",
i, accessmask2str(*mask, accessmaskbuf), 0 );
+#endif
if( b->a_type == ACL_CONTINUE ) {
continue;
}
}
+ /* implicit "by * none" clause */
+ ACL_INIT(*mask);
+
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_RESULTS,
+ "acl_mask: conn %lu no more <who> clauses, returning %d (stop)\n",
+ conn->c_connid, accessmask2str( *mask, accessmaskbuf) ));
+#else
Debug( LDAP_DEBUG_ACL,
"<= acl_mask: no more <who> clauses, returning %s (stop)\n",
accessmask2str(*mask, accessmaskbuf), 0, 0 );
+#endif
return ACL_STOP;
}
Connection *conn,
Operation *op,
Entry *e,
- LDAPModList *mlist
+ Modifications *mlist
)
{
- int i;
+ struct berval *bv;
assert( be != NULL );
/* short circuit root database access */
- if ( be_isroot( be, op->o_ndn ) ) {
+ if ( be_isroot( be, &op->o_ndn ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "acl", LDAP_LEVEL_DETAIL1,
+ "acl_check_modlist: conn %lu access granted to root user\n",
+ conn->c_connid ));
+#else
Debug( LDAP_DEBUG_ACL,
"<= acl_access_allowed: granted to database root\n",
0, 0, 0 );
+#endif
return 1;
}
/* use backend default access if no backend acls */
if( be != NULL && be->be_acl == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "acl_check_modlist: conn %lu backend default %s access %s to \"%s\"\n",
+ conn->c_connid, access2str( ACL_WRITE ),
+ be->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn.bv_val ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: backend default %s access %s to \"%s\"\n",
access2str( ACL_WRITE ),
- be->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn );
-
+ be->be_dfltaccess >= ACL_WRITE ? "granted" : "denied", op->o_dn.bv_val );
+#endif
return be->be_dfltaccess >= ACL_WRITE;
#ifdef notdef
/* be is always non-NULL */
/* use global default access if no global acls */
} else if ( be == NULL && global_acl == NULL ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "acl_check_modlist: conn %lu global default %s access %s to \"%s\"\n",
+ conn->c_connid, access2str( ACL_WRITE ),
+ global_default_access >= ACL_WRITE ? "granted" : "denied", op->o_dn ));
+#else
Debug( LDAP_DEBUG_ACL,
"=> access_allowed: global default %s access %s to \"%s\"\n",
access2str( ACL_WRITE ),
global_default_access >= ACL_WRITE ? "granted" : "denied", op->o_dn );
-
+#endif
return global_default_access >= ACL_WRITE;
#endif
}
- for ( ; mlist != NULL; mlist = mlist->ml_next ) {
+ for ( ; mlist != NULL; mlist = mlist->sml_next ) {
+ static AccessControlState state_init = ACL_STATE_INIT;
+ AccessControlState state;
+
/*
* no-user-modification operational attributes are ignored
* by ACL_WRITE checking as any found here are not provided
* by the user
*/
- if ( oc_check_op_no_usermod_attr( mlist->ml_type ) ) {
- Debug( LDAP_DEBUG_ACL, "NoUserMod Operational attribute:"
+ if ( is_at_no_user_mod( mlist->sml_desc->ad_type ) ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "acl_check_modlist: conn %lu no-user-mod %s: modify access granted\n",
+ conn->c_connid, mlist->sml_desc->ad_cname.bv_val ));
+#else
+ Debug( LDAP_DEBUG_ACL, "acl: no-user-mod %s:"
" modify access granted\n",
- mlist->ml_type, 0, 0 );
+ mlist->sml_desc->ad_cname.bv_val, 0, 0 );
+#endif
continue;
}
- switch ( mlist->ml_op & ~LDAP_MOD_BVALUES ) {
+ state = state_init;
+
+ switch ( mlist->sml_op ) {
case LDAP_MOD_REPLACE:
- case LDAP_MOD_ADD:
- if ( mlist->ml_bvalues == NULL ) {
- break;
+ /*
+ * We must check both permission to delete the whole
+ * attribute and permission to add the specific attributes.
+ * This prevents abuse from selfwriters.
+ */
+ if ( ! access_allowed( be, conn, op, e,
+ mlist->sml_desc, NULL, ACL_WRITE, &state ) )
+ {
+ return( 0 );
}
- for ( i = 0; mlist->ml_bvalues[i] != NULL; i++ ) {
+
+ if ( mlist->sml_bvalues == NULL ) break;
+
+ /* fall thru to check value to add */
+
+ case LDAP_MOD_ADD:
+ assert( mlist->sml_bvalues != NULL );
+
+ for ( bv = mlist->sml_bvalues; bv->bv_val != NULL; bv++ ) {
if ( ! access_allowed( be, conn, op, e,
- mlist->ml_type, mlist->ml_bvalues[i],
- ACL_WRITE ) )
+ mlist->sml_desc, bv, ACL_WRITE, &state ) )
{
return( 0 );
}
break;
case LDAP_MOD_DELETE:
- if ( mlist->ml_bvalues == NULL ) {
+ if ( mlist->sml_bvalues == NULL ) {
if ( ! access_allowed( be, conn, op, e,
- mlist->ml_type, NULL,
- ACL_WRITE ) )
+ mlist->sml_desc, NULL, ACL_WRITE, NULL ) )
{
return( 0 );
}
break;
}
- for ( i = 0; mlist->ml_bvalues[i] != NULL; i++ ) {
+ for ( bv = mlist->sml_bvalues; bv->bv_val != NULL; bv++ ) {
if ( ! access_allowed( be, conn, op, e,
- mlist->ml_type, mlist->ml_bvalues[i],
- ACL_WRITE ) )
+ mlist->sml_desc, bv, ACL_WRITE, &state ) )
{
return( 0 );
}
}
break;
+
+ case SLAP_MOD_SOFTADD:
+ /* allow adding attribute via modrdn thru */
+ break;
+
+ default:
+ assert( 0 );
+ return( 0 );
}
}
return( 1 );
}
-#ifdef SLAPD_ACI_ENABLED
+#if 0 /* not used any more */
static char *
-aci_bvstrdup (struct berval *bv)
+aci_bvstrdup( struct berval *bv )
{
char *s;
s = (char *)ch_malloc(bv->bv_len + 1);
if (s != NULL) {
- memcpy(s, bv->bv_val, bv->bv_len);
+ AC_MEMCPY(s, bv->bv_val, bv->bv_len);
s[bv->bv_len] = 0;
}
return(s);
}
+#endif
static int
-aci_strbvcmp (char *s, struct berval *bv)
-{
- int res, len;
-
- res = strncasecmp( s, bv->bv_val, bv->bv_len );
- if (res)
- return(res);
- len = strlen(s);
- if (len > (int)bv->bv_len)
- return(1);
- if (len < (int)bv->bv_len)
- return(-1);
- return(0);
-}
-
-static int
-aci_get_part (struct berval *list, int ix, char sep, struct berval *bv)
+aci_get_part(
+ struct berval *list,
+ int ix,
+ char sep,
+ struct berval *bv )
{
int len;
char *p;
return(bv->bv_len);
}
+BerVarray
+aci_set_gather (void *cookie, struct berval *name, struct berval *attr)
+{
+ AciSetCookie *cp = cookie;
+ BerVarray bvals = NULL;
+ struct berval ndn;
+
+ /* this routine needs to return the bervals instead of
+ * plain strings, since syntax is not known. It should
+ * also return the syntax or some "comparison cookie".
+ */
+
+ if (dnNormalize2(NULL, name, &ndn) == LDAP_SUCCESS) {
+ const char *text;
+ AttributeDescription *desc = NULL;
+ if (slap_bv2ad(attr, &desc, &text) == LDAP_SUCCESS) {
+ backend_attribute(cp->be, NULL, NULL,
+ cp->e, &ndn, desc, &bvals);
+ }
+ free(ndn.bv_val);
+ }
+ return(bvals);
+}
+
+static int
+aci_match_set (
+ struct berval *subj,
+ Backend *be,
+ Entry *e,
+ Connection *conn,
+ Operation *op,
+ int setref
+)
+{
+ struct berval set = { 0, NULL };
+ int rc = 0;
+ AciSetCookie cookie;
+
+ if (setref == 0) {
+ ber_dupbv( &set, subj );
+ } else {
+ struct berval subjdn, ndn = { 0, NULL };
+ struct berval setat;
+ BerVarray bvals;
+ const char *text;
+ AttributeDescription *desc = NULL;
+
+ /* format of string is "entry/setAttrName" */
+ if (aci_get_part(subj, 0, '/', &subjdn) < 0) {
+ return(0);
+ }
+
+ if ( aci_get_part(subj, 1, '/', &setat) < 0 ) {
+ setat.bv_val = SLAPD_ACI_SET_ATTR;
+ setat.bv_len = sizeof(SLAPD_ACI_SET_ATTR)-1;
+ }
+
+ if ( setat.bv_val != NULL ) {
+ /*
+ * NOTE: dnNormalize2 honors the ber_len field
+ * as the length of the dn to be normalized
+ */
+ if ( dnNormalize2(NULL, &subjdn, &ndn) == LDAP_SUCCESS
+ && slap_bv2ad(&setat, &desc, &text) == LDAP_SUCCESS )
+ {
+ backend_attribute(be, NULL, NULL, e,
+ &ndn, desc, &bvals);
+ if ( bvals != NULL ) {
+ if ( bvals[0].bv_val != NULL ) {
+ int i;
+ set = bvals[0];
+ bvals[0].bv_val = NULL;
+ for (i=1;bvals[i].bv_val;i++);
+ bvals[0].bv_val = bvals[i-1].bv_val;
+ bvals[i-1].bv_val = NULL;
+ }
+ ber_bvarray_free(bvals);
+ }
+ }
+ if (ndn.bv_val)
+ free(ndn.bv_val);
+ }
+ }
+
+ if (set.bv_val != NULL) {
+ cookie.be = be;
+ cookie.e = e;
+ cookie.conn = conn;
+ cookie.op = op;
+ rc = (slap_set_filter(aci_set_gather, &cookie, &set,
+ &op->o_ndn, &e->e_nname, NULL) > 0);
+ ch_free(set.bv_val);
+ }
+ return(rc);
+}
+
+#ifdef SLAPD_ACI_ENABLED
static int
-aci_list_map_rights (
- struct berval *list)
+aci_list_map_rights(
+ struct berval *list )
{
struct berval bv;
slap_access_t mask;
}
static int
-aci_list_has_attr (struct berval *list, char *attr, struct berval *val)
+aci_list_has_attr(
+ struct berval *list,
+ const struct berval *attr,
+ struct berval *val )
{
struct berval bv, left, right;
int i;
if (aci_get_part(&bv, 0, '=', &left) < 0
|| aci_get_part(&bv, 1, '=', &right) < 0)
{
- if (aci_strbvcmp(attr, &bv) == 0)
+ if (ber_bvstrcasecmp(attr, &bv) == 0)
return(1);
} else if (val == NULL) {
- if (aci_strbvcmp(attr, &left) == 0)
+ if (ber_bvstrcasecmp(attr, &left) == 0)
return(1);
} else {
- if (aci_strbvcmp(attr, &left) == 0) {
+ if (ber_bvstrcasecmp(attr, &left) == 0) {
/* this is experimental code that implements a
* simple (prefix) match of the attribute value.
* the ACI draft does not provide for aci's that
if (aci_get_part(&right, 0, '*', &left) < 0
|| right.bv_len <= left.bv_len)
{
- if (aci_strbvcmp(val->bv_val, &right) == 0)
+ if (ber_bvstrcasecmp(val, &right) == 0)
return(1);
} else if (val->bv_len >= left.bv_len) {
if (strncasecmp( val->bv_val, left.bv_val, left.bv_len ) == 0)
}
static slap_access_t
-aci_list_get_attr_rights (struct berval *list, char *attr, struct berval *val)
+aci_list_get_attr_rights(
+ struct berval *list,
+ const struct berval *attr,
+ struct berval *val )
{
struct berval bv;
slap_access_t mask;
}
static int
-aci_list_get_rights (
+aci_list_get_rights(
struct berval *list,
- char *attr,
+ const struct berval *attr,
struct berval *val,
slap_access_t *grant,
- slap_access_t *deny)
+ slap_access_t *deny )
{
struct berval perm, actn;
slap_access_t *mask;
int i, found;
- if (attr == NULL || *attr == 0 || strcasecmp(attr, "entry") == 0) {
- attr = "[entry]";
+ if (attr == NULL || attr->bv_len == 0
+ || ber_bvstrcasecmp( attr, &aci_bv_entry ) == 0) {
+ attr = &aci_bv_br_entry;
}
found = 0;
for (i = 0; aci_get_part(list, i, '$', &perm) >= 0; i++) {
if (aci_get_part(&perm, 0, ';', &actn) < 0)
continue;
- if (aci_strbvcmp( "grant", &actn ) == 0) {
+ if (ber_bvstrcasecmp( &aci_bv_grant, &actn ) == 0) {
mask = grant;
- } else if (aci_strbvcmp( "deny", &actn ) == 0) {
+ } else if (ber_bvstrcasecmp( &aci_bv_deny, &actn ) == 0) {
mask = deny;
} else {
continue;
found = 1;
*mask |= aci_list_get_attr_rights(&perm, attr, val);
- *mask |= aci_list_get_attr_rights(&perm, "[all]", NULL);
+ *mask |= aci_list_get_attr_rights(&perm, &aci_bv_br_all, NULL);
}
return(found);
}
static int
aci_group_member (
struct berval *subj,
- char *grpoc,
- char *grpat,
+ struct berval *defgrpoc,
+ struct berval *defgrpat,
Backend *be,
Entry *e,
+ Connection *conn,
Operation *op,
regmatch_t *matches
)
{
struct berval bv;
- char *subjdn, *grpdn;
- int rc = 0;
+ struct berval subjdn;
+ struct berval grpoc;
+ struct berval grpat;
+ ObjectClass *grp_oc = NULL;
+ AttributeDescription *grp_ad = NULL;
+ const char *text;
+ int rc;
/* format of string is "group/objectClassValue/groupAttrName" */
- if (aci_get_part(subj, 0, '/', &bv) < 0)
- return(0);
- subjdn = aci_bvstrdup(&bv);
- if (subjdn == NULL)
+ if (aci_get_part(subj, 0, '/', &subjdn) < 0) {
return(0);
+ }
- if (aci_get_part(subj, 1, '/', &bv) < 0)
- grpoc = ch_strdup(grpoc);
- else
- grpoc = aci_bvstrdup(&bv);
-
- if (aci_get_part(subj, 2, '/', &bv) < 0)
- grpat = ch_strdup(grpat);
- else
- grpat = aci_bvstrdup(&bv);
-
- grpdn = (char *)ch_malloc(1024);
- if (grpoc != NULL && grpat != NULL && grpdn != NULL) {
- string_expand(grpdn, 1024, subjdn, e->e_ndn, matches);
- if ( dn_normalize(grpdn) != NULL ) {
- rc = (backend_group(be, e, grpdn, op->o_ndn, grpoc, grpat) == 0);
+ if (aci_get_part(subj, 1, '/', &grpoc) < 0) {
+ grpoc = *defgrpoc;
+ }
+
+ if (aci_get_part(subj, 2, '/', &grpat) < 0) {
+ grpat = *defgrpat;
+ }
+
+ rc = slap_bv2ad( &grpat, &grp_ad, &text );
+ if( rc != LDAP_SUCCESS ) {
+ rc = 0;
+ goto done;
+ }
+ rc = 0;
+
+ grp_oc = oc_bvfind( &grpoc );
+
+ if (grp_oc != NULL && grp_ad != NULL ) {
+ struct berval ndn;
+ bv.bv_val = (char *)ch_malloc(1024);
+ bv.bv_len = 1024;
+ string_expand(&bv, &subjdn, e->e_ndn, matches);
+ if ( dnNormalize2(NULL, &bv, &ndn) == LDAP_SUCCESS ) {
+ rc = (backend_group(be, conn, op, e, &ndn, &op->o_ndn, grp_oc, grp_ad) == 0);
+ free( ndn.bv_val );
}
- ch_free(grpdn);
+ ch_free(bv.bv_val);
}
- if (grpat != NULL)
- ch_free(grpat);
- if (grpoc != NULL)
- ch_free(grpoc);
- ch_free(subjdn);
+
+done:
return(rc);
}
+static struct berval GroupClass = {
+ sizeof(SLAPD_GROUP_CLASS)-1, SLAPD_GROUP_CLASS };
+static struct berval GroupAttr = {
+ sizeof(SLAPD_GROUP_ATTR)-1, SLAPD_GROUP_ATTR };
+static struct berval RoleClass = {
+ sizeof(SLAPD_ROLE_CLASS)-1, SLAPD_ROLE_CLASS };
+static struct berval RoleAttr = {
+ sizeof(SLAPD_ROLE_ATTR)-1, SLAPD_ROLE_ATTR };
+
static int
-aci_mask (
+aci_mask(
Backend *be,
+ Connection *conn,
Operation *op,
Entry *e,
- char *attr,
+ AttributeDescription *desc,
struct berval *val,
struct berval *aci,
regmatch_t *matches,
)
{
struct berval bv, perms, sdn;
- char *subjdn;
- int rc, i;
+ int rc;
+
+
+ assert( desc->ad_cname.bv_val != NULL );
/* parse an aci of the form:
oid#scope#action;rights;attr;rights;attr$action;rights;attr;rights;attr#dnType#subjectDN
/* check that the aci family is supported */
if (aci_get_part(aci, 0, '#', &bv) < 0)
return(0);
- for (i = 0; supportedACIMechs[i] != NULL; i++) {
- if (aci_strbvcmp( supportedACIMechs[i], &bv ) == 0)
- break;
- }
- if (supportedACIMechs[i] == NULL)
- return(0);
/* check that the scope is "entry" */
if (aci_get_part(aci, 1, '#', &bv) < 0
- || aci_strbvcmp( "entry", &bv ) != 0)
+ || ber_bvstrcasecmp( &aci_bv_entry, &bv ) != 0)
{
return(0);
}
return(0);
/* check if any permissions allow desired access */
- if (aci_list_get_rights(&perms, attr, val, grant, deny) == 0)
+ if (aci_list_get_rights(&perms, &desc->ad_cname, val, grant, deny) == 0)
return(0);
/* see if we have a DN match */
if (aci_get_part(aci, 4, '#', &sdn) < 0)
return(0);
- if (aci_strbvcmp( "access-id", &bv ) == 0) {
- subjdn = aci_bvstrdup(&sdn);
- if (subjdn == NULL)
- return(0);
+ if (ber_bvstrcasecmp( &aci_bv_access_id, &bv ) == 0) {
+ struct berval ndn;
rc = 1;
- if ( dn_normalize(subjdn) != NULL )
- if (strcasecmp(op->o_ndn, subjdn) != 0)
+ if ( dnNormalize2(NULL, &sdn, &ndn) == LDAP_SUCCESS ) {
+ if (!dn_match( &op->o_ndn, &ndn))
rc = 0;
- ch_free(subjdn);
+ free(ndn.bv_val);
+ }
return(rc);
}
- if (aci_strbvcmp( "self", &bv ) == 0) {
- if (strcasecmp(op->o_ndn, e->e_ndn) == 0)
+ if (ber_bvstrcasecmp( &aci_bv_self, &bv ) == 0) {
+ if (dn_match(&op->o_ndn, &e->e_nname))
return(1);
- } else if (aci_strbvcmp( "dnattr", &bv ) == 0) {
+ } else if (ber_bvstrcasecmp( &aci_bv_dnattr, &bv ) == 0) {
Attribute *at;
- char *attrname;
+ AttributeDescription *ad = NULL;
+ const char *text;
- attrname = aci_bvstrdup(&sdn);
- at = attr_find(e->e_attrs, attrname);
- ch_free(attrname);
+ rc = slap_bv2ad( &sdn, &ad, &text );
- if (at != NULL) {
- bv.bv_val = op->o_ndn;
- bv.bv_len = strlen( bv.bv_val );
+ if( rc != LDAP_SUCCESS ) {
+ return 0;
+ }
- if (value_find( at->a_vals, &bv, at->a_syntax, 3 ) == 0 )
- return(1);
+ rc = 0;
+
+ bv = op->o_ndn;
+
+ for(at = attrs_find( e->e_attrs, ad );
+ at != NULL;
+ at = attrs_find( at->a_next, ad ) )
+ {
+ if (value_find( ad, at->a_vals, &bv) == 0 ) {
+ rc = 1;
+ break;
+ }
}
- } else if (aci_strbvcmp( "group", &bv ) == 0) {
- if (aci_group_member(&sdn, "groupOfNames", "member", be, e, op, matches))
+ return rc;
+
+
+ } else if (ber_bvstrcasecmp( &aci_bv_group, &bv ) == 0) {
+ if (aci_group_member(&sdn, &GroupClass, &GroupAttr, be, e, conn, op, matches))
return(1);
- } else if (aci_strbvcmp( "role", &bv ) == 0) {
- if (aci_group_member(&sdn, "organizationalRole", "roleOccupant", be, e, op, matches))
+ } else if (ber_bvstrcasecmp( &aci_bv_role, &bv ) == 0) {
+ if (aci_group_member(&sdn, &RoleClass, &RoleAttr, be, e, conn, op, matches))
return(1);
+
+ } else if (ber_bvstrcasecmp( &aci_bv_set, &bv ) == 0) {
+ if (aci_match_set(&sdn, be, e, conn, op, 0))
+ return(1);
+
+ } else if (ber_bvstrcasecmp( &aci_bv_set_ref, &bv ) == 0) {
+ if (aci_match_set(&sdn, be, e, conn, op, 1))
+ return(1);
+
}
return(0);
}
-char *
-get_supported_acimech (int index)
-{
- if (index < 0 || index >= (sizeof(supportedACIMechs) / sizeof(char *)))
- return(NULL);
- return(supportedACIMechs[index]);
-}
-
#endif /* SLAPD_ACI_ENABLED */
static void
string_expand(
- char *newbuf,
- int bufsiz,
- char *pat,
+ struct berval *bv,
+ struct berval *pat,
char *match,
regmatch_t *matches)
{
- int size;
+ ber_len_t size;
char *sp;
char *dp;
- int flag;
+ int flag;
size = 0;
- newbuf[0] = '\0';
- bufsiz--; /* leave space for lone $ */
+ bv->bv_val[0] = '\0';
+ bv->bv_len--; /* leave space for lone $ */
flag = 0;
- for ( dp = newbuf, sp = pat; size < bufsiz && *sp ; sp++) {
+ for ( dp = bv->bv_val, sp = pat->bv_val; size < bv->bv_len &&
+ sp < pat->bv_val + pat->bv_len ; sp++) {
/* did we previously see a $ */
- if (flag) {
- if (*sp == '$') {
+ if ( flag ) {
+ if ( flag == 1 && *sp == '$' ) {
*dp++ = '$';
size++;
- } else if (*sp >= '0' && *sp <= '9' ) {
- int n;
- int i;
- int l;
+ flag = 0;
+
+ } else if ( flag == 1 && *sp == '{') {
+ flag = 2;
+
+ } else if ( *sp >= '0' && *sp <= '9' ) {
+ int n;
+ int i;
+ int l;
n = *sp - '0';
+
+ if ( flag == 2 ) {
+ for ( sp++; *sp != '\0' && *sp != /* { */ '}'; sp++ ) {
+ if ( *sp >= '0' && *sp <= '9' ) {
+ n = 10*n + ( *sp - '0' );
+ }
+ }
+
+ if ( *sp != /* { */ '}' ) {
+ /* error */
+ }
+ }
+
+ if ( n >= MAXREMATCHES ) {
+
+ }
+
*dp = '\0';
i = matches[n].rm_so;
l = matches[n].rm_eo;
- for ( ; size < 512 && i < l; size++, i++ ) {
+ for ( ; size < bv->bv_len && i < l; size++, i++ ) {
*dp++ = match[i];
- size++;
}
*dp = '\0';
+
+ flag = 0;
}
- flag = 0;
} else {
if (*sp == '$') {
flag = 1;
}
}
- if (flag) {
+ if ( flag ) {
/* must have ended with a single $ */
*dp++ = '$';
size++;
}
*dp = '\0';
+ bv->bv_len = size;
- Debug( LDAP_DEBUG_TRACE, "=> string_expand: pattern: %s\n", pat, 0, 0 );
- Debug( LDAP_DEBUG_TRACE, "=> string_expand: expanded: %s\n", newbuf, 0, 0 );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "string_expand: pattern = %.*s\n", (int)pat->bv_len, pat->bv_val ));
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL1,
+ "string_expand: expanded = %s\n", bv->bv_val ));
+#else
+ Debug( LDAP_DEBUG_TRACE, "=> string_expand: pattern: %.*s\n", (int)pat->bv_len, pat->bv_val, 0 );
+ Debug( LDAP_DEBUG_TRACE, "=> string_expand: expanded: %s\n", bv->bv_val, 0, 0 );
+#endif
}
static int
regex_matches(
- char *pat, /* pattern to expand and match against */
+ struct berval *pat, /* pattern to expand and match against */
char *str, /* string to match against pattern */
char *buf, /* buffer with $N expansion variables */
regmatch_t *matches /* offsets in buffer for $N expansion variables */
{
regex_t re;
char newbuf[512];
+ struct berval bv;
int rc;
+ bv.bv_len = sizeof(newbuf);
+ bv.bv_val = newbuf;
+
if(str == NULL) str = "";
- string_expand(newbuf, sizeof(newbuf), pat, buf, matches);
+ string_expand(&bv, pat, buf, matches);
if (( rc = regcomp(&re, newbuf, REG_EXTENDED|REG_ICASE))) {
char error[512];
regerror(rc, &re, error, sizeof(error));
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_ERR,
+ "regex_matches: compile( \"%s\", \"%s\") failed %s\n",
+ pat->bv_val, str, error ));
+#else
Debug( LDAP_DEBUG_TRACE,
"compile( \"%s\", \"%s\") failed %s\n",
- pat, str, error );
+ pat->bv_val, str, error );
+#endif
return( 0 );
}
rc = regexec(&re, str, 0, NULL, 0);
regfree( &re );
+#ifdef NEW_LOGGING
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL2,
+ "regex_matches: string: %s\n", str ));
+ LDAP_LOG(( "aci", LDAP_LEVEL_DETAIL2,
+ "regex_matches: rc: %d %s\n",
+ rc, rc ? "matches" : "no matches" ));
+#else
Debug( LDAP_DEBUG_TRACE,
- "=> regex_matches: string: %s\n", str, 0, 0 );
+ "=> regex_matches: string: %s\n", str, 0, 0 );
Debug( LDAP_DEBUG_TRACE,
"=> regex_matches: rc: %d %s\n",
rc, !rc ? "matches" : "no matches", 0 );
+#endif
return( !rc );
}