+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-2002 The OpenLDAP Foundation, All Rights Reserved.
+ * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
+ */
/* backend.c - routines for dealing with back-end databases */
#include "portable.h"
+#include "slapi_common.h"
#include <stdio.h>
#include <sys/stat.h>
#include "slap.h"
+#include "slapi.h"
+#include "lutil.h"
+#include "lber_pvt.h"
+/*
+ * If a module is configured as dynamic, its header should not
+ * get included into slapd. While this is a general rule and does
+ * not have much of an effect in UNIX, this rule should be adhered
+ * to for Windows, where dynamic object code should not be implicitly
+ * imported into slapd without appropriate __declspec(dllimport) directives.
+ */
-#define BACKEND_GRAB_SIZE 10
+#if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
+#include "back-bdb/external.h"
+#endif
+#if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
+#include "back-dnssrv/external.h"
+#endif
+#if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
+#include "back-ldap/external.h"
+#endif
+#if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
+#include "back-ldbm/external.h"
+#endif
+#if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
+#include "back-meta/external.h"
+#endif
+#if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
+#include "back-monitor/external.h"
+#endif
+#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
+#include "back-null/external.h"
+#endif
+#if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
+#include "back-passwd/external.h"
+#endif
+#if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
+#include "back-perl/external.h"
+#endif
+#if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
+#include "back-shell/external.h"
+#endif
+#if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
+#include "back-tcl/external.h"
+#endif
+#if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
+#include "back-sql/external.h"
+#endif
+#if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
+#include "private/external.h"
+#endif
+
+static BackendInfo binfo[] = {
+#if defined(SLAPD_BDB) && !defined(SLAPD_BDB_DYNAMIC)
+ {"bdb", bdb_initialize},
+#endif
+#if defined(SLAPD_DNSSRV) && !defined(SLAPD_DNSSRV_DYNAMIC)
+ {"dnssrv", dnssrv_back_initialize},
+#endif
+#if defined(SLAPD_LDAP) && !defined(SLAPD_LDAP_DYNAMIC)
+ {"ldap", ldap_back_initialize},
+#endif
+#if defined(SLAPD_LDBM) && !defined(SLAPD_LDBM_DYNAMIC)
+ {"ldbm", ldbm_back_initialize},
+#endif
+#if defined(SLAPD_META) && !defined(SLAPD_META_DYNAMIC)
+ {"meta", meta_back_initialize},
+#endif
+#if defined(SLAPD_MONITOR) && !defined(SLAPD_MONITOR_DYNAMIC)
+ {"monitor", monitor_back_initialize},
+#endif
+#if defined(SLAPD_NULL) && !defined(SLAPD_NULL_DYNAMIC)
+ {"null", null_back_initialize},
+#endif
+#if defined(SLAPD_PASSWD) && !defined(SLAPD_PASSWD_DYNAMIC)
+ {"passwd", passwd_back_initialize},
+#endif
+#if defined(SLAPD_PERL) && !defined(SLAPD_PERL_DYNAMIC)
+ {"perl", perl_back_initialize},
+#endif
+#if defined(SLAPD_SHELL) && !defined(SLAPD_SHELL_DYNAMIC)
+ {"shell", shell_back_initialize},
+#endif
+#if defined(SLAPD_TCL) && !defined(SLAPD_TCL_DYNAMIC)
+ {"tcl", tcl_back_initialize},
+#endif
+#if defined(SLAPD_SQL) && !defined(SLAPD_SQL_DYNAMIC)
+ {"sql", sql_back_initialize},
+#endif
+ /* for any private backend */
+#if defined(SLAPD_PRIVATE) && !defined(SLAPD_PRIVATE_DYNAMIC)
+ {"private", private_back_initialize},
+#endif
+ {NULL}
+};
-int nbackends;
-Backend *backends;
-static int maxbackends;
+int nBackendInfo = 0;
+BackendInfo *backendInfo = NULL;
-Backend *
-new_backend(
- char *type
+int nBackendDB = 0;
+BackendDB *backendDB = NULL;
+
+int backend_init(void)
+{
+ int rc = -1;
+
+ if((nBackendInfo != 0) || (backendInfo != NULL)) {
+ /* already initialized */
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR,
+ "backend_init: backend already initialized\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: already initialized.\n", 0, 0, 0 );
+#endif
+ return -1;
+ }
+
+ for( ;
+ binfo[nBackendInfo].bi_type != NULL;
+ nBackendInfo++ )
+ {
+ rc = binfo[nBackendInfo].bi_init( &binfo[nBackendInfo] );
+
+ if(rc != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, INFO,
+ "backend_init: initialized for type \"%s\"\n",
+ binfo[nBackendInfo].bi_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: initialized for type \"%s\"\n",
+ binfo[nBackendInfo].bi_type, 0, 0 );
+#endif
+ /* destroy those we've already inited */
+ for( nBackendInfo--;
+ nBackendInfo >= 0 ;
+ nBackendInfo-- )
+ {
+ if ( binfo[nBackendInfo].bi_destroy ) {
+ binfo[nBackendInfo].bi_destroy(
+ &binfo[nBackendInfo] );
+ }
+ }
+ return rc;
+ }
+ }
+
+ if ( nBackendInfo > 0) {
+ backendInfo = binfo;
+ return 0;
+ }
+
+#ifdef SLAPD_MODULES
+ return 0;
+#else
+
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR, "backend_init: failed\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: failed\n",
+ 0, 0, 0 );
+#endif
+
+ return rc;
+#endif /* SLAPD_MODULES */
+}
+
+int backend_add(BackendInfo *aBackendInfo)
+{
+ int rc = 0;
+
+ if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, ERR,
+ "backend_add: initialization for type \"%s\" failed\n",
+ aBackendInfo->bi_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_add: initialization for type \"%s\" failed\n",
+ aBackendInfo->bi_type, 0, 0 );
+#endif
+ return rc;
+ }
+
+ /* now add the backend type to the Backend Info List */
+ {
+ BackendInfo *newBackendInfo = 0;
+
+ /* if backendInfo == binfo no deallocation of old backendInfo */
+ if (backendInfo == binfo) {
+ newBackendInfo = ch_calloc(nBackendInfo + 1, sizeof(BackendInfo));
+ AC_MEMCPY(newBackendInfo, backendInfo, sizeof(BackendInfo) *
+ nBackendInfo);
+ } else {
+ newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
+ (nBackendInfo + 1));
+ }
+ AC_MEMCPY(&newBackendInfo[nBackendInfo], aBackendInfo,
+ sizeof(BackendInfo));
+ backendInfo = newBackendInfo;
+ nBackendInfo++;
+
+ return 0;
+ }
+}
+
+int backend_startup(Backend *be)
+{
+ int i;
+ int rc = 0;
+
+ if( ! ( nBackendDB > 0 ) ) {
+ /* no databases */
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, INFO,
+ "backend_startup: %d databases to startup. \n", nBackendDB, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: %d databases to startup.\n",
+ nBackendDB, 0, 0 );
+#endif
+ return 1;
+ }
+
+ if(be != NULL) {
+ /* startup a specific backend database */
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, DETAIL1, "backend_startup: starting \"%s\"\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_TRACE,
+ "backend_startup: starting \"%s\"\n",
+ be->be_suffix[0].bv_val, 0, 0 );
+#endif
+
+ if ( be->bd_info->bi_open ) {
+ rc = be->bd_info->bi_open( be->bd_info );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT, "backend_startup: bi_open failed!\n", 0, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open failed!\n",
+ 0, 0, 0 );
+#endif
+
+ return rc;
+ }
+ }
+
+ if ( be->bd_info->bi_db_open ) {
+ rc = be->bd_info->bi_db_open( be );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_db_open failed! (%d)\n", rc, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open failed! (%d)\n",
+ rc, 0, 0 );
+#endif
+ return rc;
+ }
+ }
+
+ return rc;
+ }
+
+ /* open each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_nDB == 0) {
+ /* no database of this type, don't open */
+ continue;
+ }
+
+ if( backendInfo[i].bi_open ) {
+ rc = backendInfo[i].bi_open(
+ &backendInfo[i] );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_open %d failed!\n", i, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open %d failed!\n",
+ i, 0, 0 );
+#endif
+ return rc;
+ }
+ }
+ }
+
+ /* open each backend database */
+ for( i = 0; i < nBackendDB; i++ ) {
+ /* append global access controls */
+ acl_append( &backendDB[i].be_acl, global_acl );
+
+ if ( backendDB[i].bd_info->bi_db_open ) {
+ rc = backendDB[i].bd_info->bi_db_open(
+ &backendDB[i] );
+ if ( rc != 0 ) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, CRIT,
+ "backend_startup: bi_db_open(%d) failed! (%d)\n", i, rc, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open(%d) failed! (%d)\n",
+ i, rc, 0 );
+#endif
+ return rc;
+ }
+ }
+ }
+
+ return rc;
+}
+
+int backend_num( Backend *be )
+{
+ int i;
+
+ if( be == NULL ) return -1;
+
+ for( i = 0; i < nBackendDB; i++ ) {
+ if( be == &backendDB[i] ) return i;
+ }
+ return -1;
+}
+
+int backend_shutdown( Backend *be )
+{
+ int i;
+ int rc = 0;
+
+ if( be != NULL ) {
+ /* shutdown a specific backend database */
+
+ if ( be->bd_info->bi_nDB == 0 ) {
+ /* no database of this type, we never opened it */
+ return 0;
+ }
+
+ if ( be->bd_info->bi_db_close ) {
+ be->bd_info->bi_db_close( be );
+ }
+
+ if( be->bd_info->bi_close ) {
+ be->bd_info->bi_close( be->bd_info );
+ }
+
+ return 0;
+ }
+
+ /* close each backend database */
+ for( i = 0; i < nBackendDB; i++ ) {
+ if ( backendDB[i].bd_info->bi_db_close ) {
+ backendDB[i].bd_info->bi_db_close(
+ &backendDB[i] );
+ }
+
+ if(rc != 0) {
+#ifdef NEW_LOGGING
+ LDAP_LOG( BACKEND, NOTICE,
+ "backend_shutdown: bi_close %s failed!\n",
+ backendDB[i].be_type, 0, 0 );
+#else
+ Debug( LDAP_DEBUG_ANY,
+ "backend_close: bi_close %s failed!\n",
+ backendDB[i].be_type, 0, 0 );
+#endif
+ }
+ }
+
+ /* close each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_nDB == 0 ) {
+ /* no database of this type */
+ continue;
+ }
+
+ if( backendInfo[i].bi_close ) {
+ backendInfo[i].bi_close(
+ &backendInfo[i] );
+ }
+ }
+
+ return 0;
+}
+
+int backend_destroy(void)
+{
+ int i;
+ BackendDB *bd;
+
+ /* destroy each backend database */
+ for( i = 0, bd = backendDB; i < nBackendDB; i++, bd++ ) {
+ if ( bd->bd_info->bi_db_destroy ) {
+ bd->bd_info->bi_db_destroy( bd );
+ }
+ ber_bvarray_free( bd->be_suffix );
+ ber_bvarray_free( bd->be_nsuffix );
+ if ( bd->be_rootdn.bv_val ) free( bd->be_rootdn.bv_val );
+ if ( bd->be_rootndn.bv_val ) free( bd->be_rootndn.bv_val );
+ if ( bd->be_rootpw.bv_val ) free( bd->be_rootpw.bv_val );
+ acl_destroy( bd->be_acl, global_acl );
+ }
+ free( backendDB );
+
+ /* destroy each backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( backendInfo[i].bi_destroy ) {
+ backendInfo[i].bi_destroy(
+ &backendInfo[i] );
+ }
+ }
+
+#ifdef SLAPD_MODULES
+ if (backendInfo != binfo) {
+ free(backendInfo);
+ }
+#endif /* SLAPD_MODULES */
+
+ nBackendInfo = 0;
+ backendInfo = NULL;
+
+ return 0;
+}
+
+BackendInfo* backend_info(const char *type)
+{
+ int i;
+
+ /* search for the backend type */
+ for( i = 0; i < nBackendInfo; i++ ) {
+ if( strcasecmp(backendInfo[i].bi_type, type) == 0 ) {
+ return &backendInfo[i];
+ }
+ }
+
+ return NULL;
+}
+
+
+BackendDB *
+backend_db_init(
+ const char *type
)
{
Backend *be;
- int foundit;
+ BackendInfo *bi = backend_info(type);
+ int rc = 0;
- if ( nbackends == maxbackends ) {
- maxbackends += BACKEND_GRAB_SIZE;
- backends = (Backend *) ch_realloc( (char *) backends,
- maxbackends * sizeof(Backend) );
- memset( &backends[nbackends], '\0', BACKEND_GRAB_SIZE *
- sizeof(Backend) );
+ if( bi == NULL ) {
+ fprintf( stderr, "Unrecognized database type (%s)\n", type );
+ return NULL;
}
+ backendDB = (BackendDB *) ch_realloc(
+ (char *) backendDB,
+ (nBackendDB + 1) * sizeof(Backend) );
+
+ memset( &backendDB[nbackends], '\0', sizeof(Backend) );
+
be = &backends[nbackends++];
- be->be_sizelimit = defsize;
- be->be_timelimit = deftime;
- foundit = 0;
-
-#ifdef SLAPD_LDBM
- if ( strcasecmp( type, "ldbm" ) == 0 ) {
- be->be_bind = ldbm_back_bind;
- be->be_unbind = ldbm_back_unbind;
- be->be_search = ldbm_back_search;
- be->be_compare = ldbm_back_compare;
- be->be_modify = ldbm_back_modify;
- be->be_modrdn = ldbm_back_modrdn;
- be->be_add = ldbm_back_add;
- be->be_delete = ldbm_back_delete;
- be->be_abandon = ldbm_back_abandon;
- be->be_config = ldbm_back_config;
- be->be_init = ldbm_back_init;
- be->be_close = ldbm_back_close;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = ldbm_back_group;
-#endif
- be->be_type = "ldbm";
- foundit = 1;
- }
-#endif
-
-#ifdef SLAPD_PASSWD
- if ( strcasecmp( type, "passwd" ) == 0 ) {
- be->be_bind = NULL;
- be->be_unbind = NULL;
- be->be_search = passwd_back_search;
- be->be_compare = NULL;
- be->be_modify = NULL;
- be->be_modrdn = NULL;
- be->be_add = NULL;
- be->be_delete = NULL;
- be->be_abandon = NULL;
- be->be_config = passwd_back_config;
- be->be_init = NULL;
- be->be_close = NULL;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = NULL;
-#endif
- be->be_type = "passwd";
- foundit = 1;
- }
-#endif
-
-#ifdef SLAPD_SHELL
- if ( strcasecmp( type, "shell" ) == 0 ) {
- be->be_bind = shell_back_bind;
- be->be_unbind = shell_back_unbind;
- be->be_search = shell_back_search;
- be->be_compare = shell_back_compare;
- be->be_modify = shell_back_modify;
- be->be_modrdn = shell_back_modrdn;
- be->be_add = shell_back_add;
- be->be_delete = shell_back_delete;
- be->be_abandon = shell_back_abandon;
- be->be_config = shell_back_config;
- be->be_init = shell_back_init;
- be->be_close = NULL;
-#ifdef SLAPD_ACLGROUPS
- be->be_group = NULL;
-#endif
- be->be_type = "shell";
- foundit = 1;
- }
-#endif
-
- if ( be->be_init != NULL ) {
- (*be->be_init)( be );
- }
-
- if ( foundit == 0 ) {
- fprintf( stderr, "Unrecognized database type (%s)\n", type );
- exit( 1 );
+
+ be->bd_info = bi;
+ be->be_def_limit = deflimit;
+ be->be_dfltaccess = global_default_access;
+
+ be->be_restrictops = global_restrictops;
+ be->be_requires = global_requires;
+ be->be_ssf_set = global_ssf_set;
+
+ /* assign a default depth limit for alias deref */
+ be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
+
+ if(bi->bi_db_init) {
+ rc = bi->bi_db_init( be );
}
+ if(rc != 0) {
+ fprintf( stderr, "database init failed (%s)\n", type );
+ nbackends--;
+ return NULL;
+ }
+
+ bi->bi_nDB++;
return( be );
}
+void
+be_db_close( void )
+{
+ int i;
+
+ for ( i = 0; i < nbackends; i++ ) {
+ if ( backends[i].bd_info->bi_db_close ) {
+ (*backends[i].bd_info->bi_db_close)( &backends[i] );
+ }
+ }
+}
+
Backend *
-select_backend( char * dn )
+select_backend(
+ struct berval * dn,
+ int manageDSAit,
+ int noSubs )
{
- int i, j, len, dnlen;
+ int i, j;
+ ber_len_t len, dnlen = dn->bv_len;
+ Backend *be = NULL;
- dnlen = strlen( dn );
for ( i = 0; i < nbackends; i++ ) {
- for ( j = 0; backends[i].be_suffix != NULL &&
- backends[i].be_suffix[j] != NULL; j++ )
+ for ( j = 0; backends[i].be_nsuffix != NULL &&
+ backends[i].be_nsuffix[j].bv_val != NULL; j++ )
{
- len = strlen( backends[i].be_suffix[j] );
+ if (( backends[i].be_flags & SLAP_BFLAG_GLUE_SUBORDINATE )
+ && noSubs )
+ {
+ continue;
+ }
+
+ len = backends[i].be_nsuffix[j].bv_len;
if ( len > dnlen ) {
+ /* suffix is longer than DN */
+ continue;
+ }
+
+ /*
+ * input DN is normalized, so the separator check
+ * need not look at escaping
+ */
+ if ( len && len < dnlen &&
+ !DN_SEPARATOR( dn->bv_val[(dnlen-len)-1] ))
+ {
continue;
}
- if ( strcasecmp( backends[i].be_suffix[j],
- dn + (dnlen - len) ) == 0 ) {
- return( &backends[i] );
+ if ( strcmp( backends[i].be_nsuffix[j].bv_val,
+ &dn->bv_val[dnlen-len] ) == 0 )
+ {
+ if( be == NULL ) {
+ be = &backends[i];
+
+ if( manageDSAit && len == dnlen ) {
+ continue;
+ }
+ } else {
+ be = &backends[i];
+ }
+ return be;
}
}
}
- /* if no proper suffix could be found then check for aliases */
- for ( i = 0; i < nbackends; i++ ) {
- for ( j = 0;
- backends[i].be_suffixAlias != NULL &&
- backends[i].be_suffixAlias[j] != NULL;
- j += 2 )
- {
- len = strlen( backends[i].be_suffixAlias[j] );
-
- if ( len > dnlen ) {
- continue;
- }
-
- if ( strcasecmp( backends[i].be_suffixAlias[j],
- dn + (dnlen - len) ) == 0 ) {
- return( &backends[i] );
- }
- }
- }
-
-#ifdef LDAP_ALLOW_NULL_SEARCH_BASE
- /* Add greg@greg.rim.or.jp
- * It's quick hack for cheap client
- * Some browser offer a NULL base at ldap_search
- *
- * Should only be used as a last resort. -Kdz
- */
- if(dnlen == 0) {
- Debug( LDAP_DEBUG_TRACE,
- "select_backend: use default backend\n", 0, 0, 0 );
- return( &backends[0] );
- }
-#endif /* LDAP_ALLOW_NULL_SEARCH_BASE */
-
- return( NULL );
+ return be;
}
int
be_issuffix(
Backend *be,
- char *suffix
+ struct berval *bvsuffix
)
{
int i;
- for ( i = 0; be->be_suffix != NULL && be->be_suffix[i] != NULL; i++ ) {
- if ( strcasecmp( be->be_suffix[i], suffix ) == 0 ) {
+ for ( i = 0; be->be_nsuffix != NULL && be->be_nsuffix[i].bv_val != NULL; i++ ) {
+ if ( bvmatch( &be->be_nsuffix[i], bvsuffix ) ) {
return( 1 );
}
}
}
int
-be_isroot( Backend *be, char *dn )
+be_isroot( Backend *be, struct berval *ndn )
{
- if ( dn == NULL ) {
+ if ( !ndn->bv_len ) {
+ return( 0 );
+ }
+
+ if ( !be->be_rootndn.bv_len ) {
return( 0 );
}
- return( be->be_rootdn != NULL
- ? strcasecmp( be->be_rootdn, dn ) == 0
- : 0 );
+ return dn_match( &be->be_rootndn, ndn );
}
int
-be_isroot_pw( Backend *be, char *dn, struct berval *cred )
+be_isupdate( Backend *be, struct berval *ndn )
{
- if ( ! be_isroot( be, dn ) ) {
+ if ( !ndn->bv_len ) {
return( 0 );
}
- return( lutil_passwd( cred->bv_val, be->be_rootpw ) == 0 );
+ if ( !be->be_update_ndn.bv_len ) {
+ return( 0 );
+ }
+
+ return dn_match( &be->be_update_ndn, ndn );
}
-void
-be_close( void )
+struct berval *
+be_root_dn( Backend *be )
{
- int i;
+ return &be->be_rootdn;
+}
- for ( i = 0; i < nbackends; i++ ) {
- if ( backends[i].be_close != NULL ) {
- (*backends[i].be_close)( &backends[i] );
- }
+int
+be_isroot_pw( Backend *be,
+ Connection *conn,
+ struct berval *ndn,
+ struct berval *cred )
+{
+ int result;
+
+ if ( ! be_isroot( be, ndn ) ) {
+ return 0;
}
+
+ if( be->be_rootpw.bv_len == 0 ) {
+ return 0;
+ }
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+ ldap_pvt_thread_mutex_lock( &passwd_mutex );
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = conn->c_sasl_context;
+#endif
+#endif
+
+ result = lutil_passwd( &be->be_rootpw, cred, NULL );
+
+#if defined( SLAPD_CRYPT ) || defined( SLAPD_SPASSWD )
+#ifdef SLAPD_SPASSWD
+ lutil_passwd_sasl_conn = NULL;
+#endif
+ ldap_pvt_thread_mutex_unlock( &passwd_mutex );
+#endif
+
+ return result == 0;
}
+int
+be_entry_release_rw(
+ BackendDB *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ int rw )
+{
+ if ( be->be_release ) {
+ /* free and release entry from backend */
+ return be->be_release( be, conn, op, e, rw );
+ } else {
+ /* free entry */
+ entry_free( e );
+ return 0;
+ }
+}
-void
-be_unbind(
+int
+backend_unbind(
Connection *conn,
Operation *op
)
{
- int i;
+ int i;
+ int rc;
+ Slapi_PBlock *pb = op->o_pb;
+
+#if defined( LDAP_SLAPI )
+ slapi_pblock_set( pb, SLAPI_CONNECTION, (void *)conn );
+ slapi_pblock_set( pb, SLAPI_OPERATION, (void *)op );
+#endif /* defined( LDAP_SLAPI ) */
for ( i = 0; i < nbackends; i++ ) {
- if ( backends[i].be_unbind != NULL ) {
+#if defined( LDAP_SLAPI )
+ slapi_pblock_set( pb, SLAPI_BACKEND, (void *)&backends[i] );
+ rc = doPluginFNs( &backends[i], SLAPI_PLUGIN_PRE_UNBIND_FN,
+ (Slapi_PBlock *)pb );
+ if ( rc != 0 && rc != LDAP_OTHER ) {
+ /*
+ * either there is no preOp (unbind) plugins
+ * or a plugin failed. Just log it.
+ *
+ * FIXME: is this correct?
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_bind: Unbind preOps "
+ "failed\n", 0, 0, 0);
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_bind: Unbind preOps "
+ "failed.\n", 0, 0, 0);
+#endif
+ }
+#endif /* defined( LDAP_SLAPI ) */
+
+ if ( backends[i].be_unbind ) {
(*backends[i].be_unbind)( &backends[i], conn, op );
}
+
+#if defined( LDAP_SLAPI )
+ rc = doPluginFNs( &backends[i], SLAPI_PLUGIN_POST_UNBIND_FN,
+ (Slapi_PBlock *)pb );
+ if ( rc != 0 && rc != LDAP_OTHER ) {
+ /*
+ * either there is no postOp (unbind) plugins
+ * or a plugin failed. Just log it.
+ *
+ * FIXME: is this correct?
+ */
+#ifdef NEW_LOGGING
+ LDAP_LOG( OPERATION, INFO, "do_unbind: Unbind postOps "
+ "failed\n", 0, 0, 0);
+#else
+ Debug(LDAP_DEBUG_TRACE, "do_unbind: Unbind postOps "
+ "failed.\n", 0, 0, 0);
+#endif
+ }
+#endif /* defined( LDAP_SLAPI ) */
+ }
+
+ return 0;
+}
+
+int
+backend_connection_init(
+ Connection *conn
+)
+{
+ int i;
+
+ for ( i = 0; i < nbackends; i++ ) {
+ if ( backends[i].be_connection_init ) {
+ (*backends[i].be_connection_init)( &backends[i], conn);
+ }
+ }
+
+ return 0;
+}
+
+int
+backend_connection_destroy(
+ Connection *conn
+)
+{
+ int i;
+
+ for ( i = 0; i < nbackends; i++ ) {
+ if ( backends[i].be_connection_destroy ) {
+ (*backends[i].be_connection_destroy)( &backends[i], conn);
+ }
+ }
+
+ return 0;
+}
+
+static int
+backend_check_controls(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ const char **text )
+{
+ LDAPControl **ctrls = op->o_ctrls;
+
+ if( ctrls == NULL ) return LDAP_SUCCESS;
+
+ for( ; *ctrls != NULL ; ctrls++ ) {
+ if( (*ctrls)->ldctl_iscritical &&
+ !ldap_charray_inlist( be->be_controls, (*ctrls)->ldctl_oid ) )
+ {
+ *text = "control unavailable in context";
+ return LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int
+backend_check_restrictions(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ struct berval *opdata,
+ const char **text )
+{
+ int rc;
+ slap_mask_t restrictops;
+ slap_mask_t requires;
+ slap_mask_t opflag;
+ slap_ssf_set_t *ssf;
+ int updateop = 0;
+ int starttls = 0;
+ int session = 0;
+
+ if( be ) {
+ rc = backend_check_controls( be, conn, op, text );
+
+ if( rc != LDAP_SUCCESS ) {
+ return rc;
+ }
+
+ restrictops = be->be_restrictops;
+ requires = be->be_requires;
+ ssf = &be->be_ssf_set;
+
+ } else {
+ restrictops = global_restrictops;
+ requires = global_requires;
+ ssf = &global_ssf_set;
+ }
+
+ switch( op->o_tag ) {
+ case LDAP_REQ_ADD:
+ opflag = SLAP_RESTRICT_OP_ADD;
+ updateop++;
+ break;
+ case LDAP_REQ_BIND:
+ opflag = SLAP_RESTRICT_OP_BIND;
+ session++;
+ break;
+ case LDAP_REQ_COMPARE:
+ opflag = SLAP_RESTRICT_OP_COMPARE;
+ break;
+ case LDAP_REQ_DELETE:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_DELETE;
+ break;
+ case LDAP_REQ_EXTENDED:
+ opflag = SLAP_RESTRICT_OP_EXTENDED;
+
+ if( !opdata ) {
+ /* treat unspecified as a modify */
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ updateop++;
+ break;
+ }
+
+ {
+ struct berval bv = BER_BVC( LDAP_EXOP_START_TLS );
+ if( bvmatch( opdata, &bv ) ) {
+ session++;
+ starttls++;
+ break;
+ }
+ }
+
+ {
+ struct berval bv = BER_BVC( LDAP_EXOP_X_WHO_AM_I );
+ if( bvmatch( opdata, &bv ) ) {
+ break;
+ }
+ }
+
+ /* treat everything else as a modify */
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ updateop++;
+ break;
+
+ case LDAP_REQ_MODIFY:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_MODIFY;
+ break;
+ case LDAP_REQ_RENAME:
+ updateop++;
+ opflag = SLAP_RESTRICT_OP_RENAME;
+ break;
+ case LDAP_REQ_SEARCH:
+ opflag = SLAP_RESTRICT_OP_SEARCH;
+ break;
+ case LDAP_REQ_UNBIND:
+ session++;
+ opflag = 0;
+ break;
+ default:
+ *text = "restrict operations internal error";
+ return LDAP_OTHER;
+ }
+
+ if ( !starttls ) {
+ /* these checks don't apply to StartTLS */
+
+ if( op->o_transport_ssf < ssf->sss_transport ) {
+ *text = "transport confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( op->o_tls_ssf < ssf->sss_tls ) {
+ *text = "TLS confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+
+ if( op->o_tag == LDAP_REQ_BIND && opdata == NULL ) {
+ /* simple bind specific check */
+ if( op->o_ssf < ssf->sss_simple_bind ) {
+ *text = "confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+ }
+
+ if( op->o_tag != LDAP_REQ_BIND || opdata == NULL ) {
+ /* these checks don't apply to SASL bind */
+
+ if( op->o_sasl_ssf < ssf->sss_sasl ) {
+ *text = "SASL confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( op->o_ssf < ssf->sss_ssf ) {
+ *text = "confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+ }
+
+ if( updateop ) {
+ if( op->o_transport_ssf < ssf->sss_update_transport ) {
+ *text = "transport update confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( op->o_tls_ssf < ssf->sss_update_tls ) {
+ *text = "TLS update confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( op->o_sasl_ssf < ssf->sss_update_sasl ) {
+ *text = "SASL update confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( op->o_ssf < ssf->sss_update_ssf ) {
+ *text = "update confidentiality required";
+ return LDAP_CONFIDENTIALITY_REQUIRED;
+ }
+
+ if( !( global_allows & SLAP_ALLOW_UPDATE_ANON ) &&
+ op->o_ndn.bv_len == 0 )
+ {
+ *text = "modifications require authentication";
+ return LDAP_STRONG_AUTH_REQUIRED;
+ }
+
+#ifdef SLAP_X_LISTENER_MOD
+ if ( ! ( conn->c_listener->sl_perms & S_IWUSR ) ) {
+ /* no "w" mode means readonly */
+ *text = "modifications not allowed on this listener";
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+#endif /* SLAP_X_LISTENER_MOD */
+ }
+ }
+
+ if ( !session ) {
+ /* these checks don't apply to Bind, StartTLS, or Unbind */
+
+ if( requires & SLAP_REQUIRE_STRONG ) {
+ /* should check mechanism */
+ if( ( op->o_transport_ssf < ssf->sss_transport
+ && op->o_authmech.bv_len == 0 ) || op->o_dn.bv_len == 0 )
+ {
+ *text = "strong authentication required";
+ return LDAP_STRONG_AUTH_REQUIRED;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_SASL ) {
+ if( op->o_authmech.bv_len == 0 || op->o_dn.bv_len == 0 ) {
+ *text = "SASL authentication required";
+ return LDAP_STRONG_AUTH_REQUIRED;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_AUTHC ) {
+ if( op->o_dn.bv_len == 0 ) {
+ *text = "authentication required";
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_BIND ) {
+ int version;
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ version = conn->c_protocol;
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+
+ if( !version ) {
+ /* no bind has occurred */
+ *text = "BIND required";
+ return LDAP_OPERATIONS_ERROR;
+ }
+ }
+
+ if( requires & SLAP_REQUIRE_LDAP_V3 ) {
+ if( op->o_protocol < LDAP_VERSION3 ) {
+ /* no bind has occurred */
+ *text = "operation restricted to LDAPv3 clients";
+ return LDAP_OPERATIONS_ERROR;
+ }
+ }
+
+#ifdef SLAP_X_LISTENER_MOD
+ if ( !starttls && op->o_dn.bv_len == 0 ) {
+ if ( ! ( conn->c_listener->sl_perms & S_IXUSR ) ) {
+ /* no "x" mode means bind required */
+ *text = "bind required on this listener";
+ return LDAP_STRONG_AUTH_REQUIRED;
+ }
+ }
+
+ if ( !starttls && !updateop ) {
+ if ( ! ( conn->c_listener->sl_perms & S_IRUSR ) ) {
+ /* no "r" mode means no read */
+ *text = "read not allowed on this listener";
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+ }
+#endif /* SLAP_X_LISTENER_MOD */
+
}
+
+ if( restrictops & opflag ) {
+ if( restrictops == SLAP_RESTRICT_OP_READS ) {
+ *text = "read operations restricted";
+ } else {
+ *text = "operation restricted";
+ }
+ return LDAP_UNWILLING_TO_PERFORM;
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int backend_check_referrals(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ struct berval *dn,
+ struct berval *ndn )
+{
+ int rc = LDAP_SUCCESS;
+
+ if( be->be_chk_referrals ) {
+ const char *text;
+
+ rc = be->be_chk_referrals( be,
+ conn, op, dn, ndn, &text );
+
+ if( rc != LDAP_SUCCESS && rc != LDAP_REFERRAL ) {
+ send_ldap_result( conn, op, rc,
+ NULL, text, NULL, NULL );
+ }
+ }
+
+ return rc;
}
-#ifdef SLAPD_ACLGROUPS
int
-be_group(
+backend_group(
Backend *be,
- char *bdn,
- char *edn,
- char *objectclassValue,
- char *groupattrName
+ Connection *conn,
+ Operation *op,
+ Entry *target,
+ struct berval *gr_ndn,
+ struct berval *op_ndn,
+ ObjectClass *group_oc,
+ AttributeDescription *group_at
)
{
- if (be->be_group)
- return(be->be_group(be, bdn, edn, objectclassValue, groupattrName));
- else
- return(1);
+ GroupAssertion *g;
+
+ if ( op->o_abandon ) return SLAPD_ABANDON;
+
+ if ( !dn_match( &target->e_nname, gr_ndn ) ) {
+ /* we won't attempt to send it to a different backend */
+
+ be = select_backend( gr_ndn, 0, 0 );
+
+ if (be == NULL) {
+ return LDAP_NO_SUCH_OBJECT;
+ }
+ }
+
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+
+ for (g = conn->c_groups; g; g=g->ga_next) {
+ if (g->ga_be != be || g->ga_oc != group_oc ||
+ g->ga_at != group_at || g->ga_len != gr_ndn->bv_len)
+ continue;
+ if (strcmp( g->ga_ndn, gr_ndn->bv_val ) == 0)
+ break;
+ }
+
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+
+ if (g) {
+ return g->ga_res;
+ }
+
+ if( be->be_group ) {
+ int res = be->be_group( be, conn, op,
+ target, gr_ndn, op_ndn,
+ group_oc, group_at );
+
+ if ( op->o_tag != LDAP_REQ_BIND && !op->o_do_not_cache ) {
+ g = ch_malloc(sizeof(GroupAssertion) + gr_ndn->bv_len);
+ g->ga_be = be;
+ g->ga_oc = group_oc;
+ g->ga_at = group_at;
+ g->ga_res = res;
+ g->ga_len = gr_ndn->bv_len;
+ strcpy(g->ga_ndn, gr_ndn->bv_val);
+ ldap_pvt_thread_mutex_lock( &conn->c_mutex );
+ g->ga_next = conn->c_groups;
+ conn->c_groups = g;
+ ldap_pvt_thread_mutex_unlock( &conn->c_mutex );
+ }
+
+ return res;
+ }
+
+ return LDAP_UNWILLING_TO_PERFORM;
}
-#endif
+
+int
+backend_attribute(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ Entry *target,
+ struct berval *edn,
+ AttributeDescription *entry_at,
+ BerVarray *vals
+)
+{
+ if ( target == NULL || !dn_match( &target->e_nname, edn ) ) {
+ /* we won't attempt to send it to a different backend */
+
+ be = select_backend( edn, 0, 0 );
+
+ if (be == NULL) {
+ return LDAP_NO_SUCH_OBJECT;
+ }
+ }
+
+ if( be->be_attribute ) {
+ return be->be_attribute( be, conn, op, target, edn,
+ entry_at, vals );
+ }
+
+ return LDAP_UNWILLING_TO_PERFORM;
+}
+
+Attribute *backend_operational(
+ Backend *be,
+ Connection *conn,
+ Operation *op,
+ Entry *e,
+ AttributeName *attrs,
+ int opattrs )
+{
+ Attribute *a = NULL, **ap = &a;
+
+ /*
+ * If operational attributes (allegedly) are required,
+ * and the backend supports specific operational attributes,
+ * add them to the attribute list
+ */
+ if ( opattrs || ( attrs &&
+ ad_inlist( slap_schema.si_ad_subschemaSubentry, attrs )) ) {
+ *ap = slap_operational_subschemaSubentry( be );
+ ap = &(*ap)->a_next;
+ }
+
+ if ( ( opattrs || attrs ) && be && be->be_operational != NULL ) {
+ ( void )be->be_operational( be, conn, op, e, attrs, opattrs, ap );
+ }
+
+ return a;
+}
+