+/* $OpenLDAP$ */
+/*
+ * Copyright 1998-1999 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 <stdio.h>
-#include <string.h>
-#include <sys/types.h>
-#include <sys/socket.h>
+
+#include <ac/string.h>
+#include <ac/socket.h>
+
#include <sys/stat.h>
+
#include "slap.h"
+#include "lutil.h"
-#ifdef LDAP_LDBM
-extern int ldbm_back_bind();
-extern int ldbm_back_unbind();
-extern int ldbm_back_search();
-extern int ldbm_back_compare();
-extern int ldbm_back_modify();
-extern int ldbm_back_modrdn();
-extern int ldbm_back_add();
-extern int ldbm_back_delete();
-extern int ldbm_back_abandon();
-extern int ldbm_back_config();
-extern int ldbm_back_init();
-extern int ldbm_back_close();
-#endif
-
-#ifdef LDAP_PASSWD
-extern int passwd_back_search();
-extern int passwd_back_config();
-#endif
-
-#ifdef LDAP_SHELL
-extern int shell_back_bind();
-extern int shell_back_unbind();
-extern int shell_back_search();
-extern int shell_back_compare();
-extern int shell_back_modify();
-extern int shell_back_modrdn();
-extern int shell_back_add();
-extern int shell_back_delete();
-extern int shell_back_abandon();
-extern int shell_back_config();
-extern int shell_back_init();
-#endif
-
-extern int defsize;
-extern int deftime;
-
-#define BACKEND_GRAB_SIZE 10
-
-int nbackends;
-Backend *backends;
-static int maxbackends;
+#ifdef SLAPD_LDAP
+#include "back-ldap/external.h"
+#endif
+#ifdef SLAPD_LDBM
+#include "back-ldbm/external.h"
+#endif
+#ifdef SLAPD_BDB2
+#include "back-bdb2/external.h"
+#endif
+#ifdef SLAPD_PASSWD
+#include "back-passwd/external.h"
+#endif
+#ifdef SLAPD_PERL
+#include "back-perl/external.h"
+#endif
+#ifdef SLAPD_SHELL
+#include "back-shell/external.h"
+#endif
+#ifdef SLAPD_TCL
+#include "back-tcl/external.h"
+#endif
+#ifdef SLAPD_NTDOMAIN
+#include "back-domain/external.h"
+#endif
-Backend *
-new_backend(
- char *type
+static BackendInfo binfo[] = {
+#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_BDB2) && !defined(SLAPD_BDB2_DYNAMIC)
+ {"bdb2", bdb2_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_NTDOMAIN) && !defined(SLAPD_NTDOMAIN_DYNAMIC)
+ {"ntdom", domain_back_initialize},
+#endif
+ {NULL}
+};
+
+int nBackendInfo = 0;
+BackendInfo *backendInfo = NULL;
+
+int nBackendDB = 0;
+BackendDB *backendDB = NULL;
+
+int backend_init(void)
+{
+ int rc = -1;
+
+ if((nBackendInfo != 0) || (backendInfo != NULL)) {
+ /* already initialized */
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: already initialized.\n", 0, 0, 0 );
+ return -1;
+ }
+
+ for( ;
+ binfo[nBackendInfo].bi_type != NULL;
+ nBackendInfo++ )
+ {
+ rc = binfo[nBackendInfo].bi_init( &binfo[nBackendInfo] );
+
+ if(rc != 0) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: initialized for type \"%s\"\n",
+ binfo[nBackendInfo].bi_type, 0, 0 );
+
+ /* 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
+ Debug( LDAP_DEBUG_ANY,
+ "backend_init: failed\n",
+ 0, 0, 0 );
+
+ return rc;
+#endif /* SLAPD_MODULES */
+}
+
+int backend_add(BackendInfo *aBackendInfo)
+{
+ int rc = 0;
+
+ if ((rc = aBackendInfo->bi_init(aBackendInfo)) != 0) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_add: initialization for type \"%s\" failed\n",
+ aBackendInfo->bi_type, 0, 0 );
+ 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));
+ memcpy(newBackendInfo, backendInfo, sizeof(BackendInfo) *
+ nBackendInfo);
+ } else {
+ newBackendInfo = ch_realloc(backendInfo, sizeof(BackendInfo) *
+ (nBackendInfo + 1));
+ }
+ 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 */
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: %d databases to startup.\n",
+ nBackendDB, 0, 0 );
+ return 1;
+ }
+
+ if(be != NULL) {
+ /* startup a specific backend database */
+ Debug( LDAP_DEBUG_TRACE,
+ "backend_startup: starting database\n",
+ 0, 0, 0 );
+
+ if ( be->bd_info->bi_open ) {
+ rc = be->bd_info->bi_open( be->bd_info );
+ }
+
+ if(rc != 0) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open failed!\n",
+ 0, 0, 0 );
+ return rc;
+ }
+
+ if ( be->bd_info->bi_db_open ) {
+ rc = be->bd_info->bi_db_open( be );
+ }
+
+ if(rc != 0) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open failed!\n",
+ 0, 0, 0 );
+ 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) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_open %d failed!\n",
+ i, 0, 0 );
+ 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) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_startup: bi_db_open %d failed!\n",
+ i, 0, 0 );
+ 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) {
+ Debug( LDAP_DEBUG_ANY,
+ "backend_close: bi_close %s failed!\n",
+ backendDB[i].be_type, 0, 0 );
+ }
+ }
+
+ /* 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;
+
+ /* destroy each backend database */
+ for( i = 0; i < nBackendDB; i++ ) {
+ if ( backendDB[i].bd_info->bi_db_destroy ) {
+ backendDB[i].bd_info->bi_db_destroy(
+ &backendDB[i] );
+ }
+ }
+
+ /* 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->bd_info = bi;
be->be_sizelimit = defsize;
be->be_timelimit = deftime;
- foundit = 0;
-
-#ifdef LDAP_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;
- be->be_type = "ldbm";
- foundit = 1;
- }
-#endif
-
-#ifdef LDAP_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;
- be->be_type = "passwd";
- foundit = 1;
- }
-#endif
-
-#ifdef LDAP_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;
- 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->be_dfltaccess = global_default_access;
+
+ /* assign a default depth limit for alias deref */
+ be->be_max_deref_depth = SLAPD_DEFAULT_MAXDEREFDEPTH;
+
+ be->be_realm = global_realm != NULL
+ ? ch_strdup( global_realm ) : NULL;
+
+ 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( const char * dn )
{
int i, j, len, dnlen;
dnlen = strlen( dn );
for ( i = 0; i < nbackends; i++ ) {
- for ( j = 0; backends[i].be_suffix != NULL &&
- backends[i].be_suffix[j] != NULL; j++ ) {
- /* Add greg@greg.rim.or.jp
- * It's quick hack for cheep client
- * Some browser offer a NULL base at ldap_search
- */
- if(dnlen == 0) {
- Debug( LDAP_DEBUG_TRACE, "select_backend: use default backend\n", 0, 0, 0 );
- return (&backends[i]);
- }
- len = strlen( backends[i].be_suffix[j] );
+ for ( j = 0; backends[i].be_nsuffix != NULL &&
+ backends[i].be_nsuffix[j] != NULL; j++ )
+ {
+ len = strlen( backends[i].be_nsuffix[j] );
if ( len > dnlen ) {
continue;
}
- if ( strcasecmp( backends[i].be_suffix[j],
+ if ( strcmp( backends[i].be_nsuffix[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 );
}
int
be_issuffix(
Backend *be,
- char *suffix
+ const char *suffix
)
{
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] != NULL; i++ ) {
+ if ( strcmp( be->be_nsuffix[i], suffix ) == 0 ) {
return( 1 );
}
}
}
int
-be_isroot( Backend *be, char *dn )
+be_isroot( Backend *be, const char *ndn )
{
- if ( dn == NULL ) {
+ int rc;
+
+ if ( ndn == NULL || be->be_root_ndn == NULL ) {
return( 0 );
}
- return( be->be_rootdn ? strcasecmp( be->be_rootdn, dn ) == 0
- : 0 );
+ rc = strcmp( be->be_root_ndn, ndn ) ? 0 : 1;
+
+ return(rc);
+}
+
+char *
+be_root_dn( Backend *be )
+{
+ if ( be->be_root_dn == NULL ) {
+ return( "" );
+ }
+
+ return be->be_root_dn;
}
int
-be_isroot_pw( Backend *be, char *dn, struct berval *cred )
+be_isroot_pw( Backend *be, const char *ndn, struct berval *cred )
{
- if ( ! be_isroot( be, dn ) || be->be_rootpw == NULL ) {
- return( 0 );
+ int result;
+
+ if ( ! be_isroot( be, ndn ) ) {
+ return 0;
}
- return( strcmp( be->be_rootpw, cred->bv_val ) == 0 );
+ if( be->be_root_pw.bv_len == 0 ) {
+ return 0;
+ }
+
+#ifdef SLAPD_CRYPT
+ ldap_pvt_thread_mutex_lock( &crypt_mutex );
+#endif
+
+ result = lutil_passwd( &be->be_root_pw, cred, NULL );
+
+#ifdef SLAPD_CRYPT
+ ldap_pvt_thread_mutex_unlock( &crypt_mutex );
+#endif
+
+ return result == 0;
}
-void
-be_close()
+int
+be_entry_release_rw( Backend *be, Entry *e, int rw )
+{
+ if ( be->be_release ) {
+ /* free and release entry from backend */
+ return be->be_release( be, e, rw );
+ } else {
+ /* free entry */
+ entry_free( e );
+ return 0;
+ }
+}
+
+int
+backend_unbind(
+ Connection *conn,
+ Operation *op
+)
{
int i;
for ( i = 0; i < nbackends; i++ ) {
- if ( backends[i].be_close != NULL ) {
- (*backends[i].be_close)( &backends[i] );
+ if ( backends[i].be_unbind ) {
+ (*backends[i].be_unbind)( &backends[i], conn, op );
}
}
+
+ return 0;
}
+int
+backend_connection_init(
+ Connection *conn
+)
+{
+ int i;
-void
-be_unbind(
- Connection *conn,
- Operation *op
+ 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_unbind != NULL ) {
- (*backends[i].be_unbind)( &backends[i], conn, op );
+ if ( backends[i].be_connection_destroy ) {
+ (*backends[i].be_connection_destroy)( &backends[i], conn);
}
}
+
+ return 0;
}
+
+int
+backend_check_controls(
+ Backend *be,
+ Connection *conn,
+ Operation *op )
+{
+ LDAPControl **ctrls;
+ ctrls = op->o_ctrls;
+ if( ctrls == NULL ) {
+ return LDAP_SUCCESS;
+ }
+
+ for( ; *ctrls != NULL ; ctrls++ ) {
+ if( (*ctrls)->ldctl_iscritical &&
+ !charray_inlist( be->be_controls, (*ctrls)->ldctl_oid ) )
+ {
+ return LDAP_UNAVAILABLE_CRITICAL_EXTENSION;
+ }
+ }
+
+ return LDAP_SUCCESS;
+}
+
+int
+backend_group(
+ Backend *be,
+ Entry *target,
+ const char *gr_ndn,
+ const char *op_ndn,
+ const char *objectclassValue,
+ const char *groupattrName
+)
+{
+ if (be->be_group)
+ return( be->be_group(be, target, gr_ndn, op_ndn,
+ objectclassValue, groupattrName) );
+ else
+ return(1);
+}
+
+#ifdef SLAPD_SCHEMA_DN
+Attribute *backend_subschemasubentry( Backend *be )
+{
+ /*
+ * This routine returns points to STATIC data!!!
+ */
+ /* should be backend specific */
+
+ static struct berval ss_val = {
+ sizeof(SLAPD_SCHEMA_DN)-1,
+ SLAPD_SCHEMA_DN };
+ static struct berval *ss_vals[2] = { &ss_val, NULL };
+ static Attribute ss_attr = {
+ "subschemasubentry",
+ ss_vals,
+#ifdef SLAPD_SCHEMA_COMPAT
+ SYNTAX_DN | SYNTAX_CIS,
+#endif
+ NULL
+ };
+
+ return &ss_attr;
+}
+#endif
projects / openldap / blobdiff