]> git.sur5r.net Git - openldap/blobdiff - servers/slapd/slapcommon.c
Merge remote branch 'origin/mdb.master' into OPENLDAP_REL_ENG_2_4
[openldap] / servers / slapd / slapcommon.c
index e3f94152f3df51233e28f6406d3e794a7c2d6558..cb822ac5f115d61ae7c5f078d38cf7d65158f17f 100644 (file)
@@ -2,7 +2,7 @@
 /* $OpenLDAP$ */
 /* This work is part of OpenLDAP Software <http://www.openldap.org/>.
  *
- * Copyright 1998-2005 The OpenLDAP Foundation.
+ * Copyright 1998-2012 The OpenLDAP Foundation.
  * Portions Copyright 1998-2003 Kurt D. Zeilenga.
  * Portions Copyright 2003 IBM Corporation.
  * All rights reserved.
@@ -36,6 +36,7 @@
 
 #include "slapcommon.h"
 #include "lutil.h"
+#include "ldif.h"
 
 tool_vars tool_globals;
 
@@ -44,24 +45,33 @@ static char *leakfilename;
 static FILE *leakfile;
 #endif
 
+static LDIFFP dummy;
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+int start_syslog;
+static char **syslog_unknowns;
+#ifdef LOG_LOCAL4
+static int syslogUser = SLAP_DEFAULT_SYSLOG_USER;
+#endif /* LOG_LOCAL4 */
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
 static void
 usage( int tool, const char *progname )
 {
        char *options = NULL;
        fprintf( stderr,
-               "usage: %s [-v] [-d debuglevel] [-f configfile] [-F configdir]",
+               "usage: %s [-v] [-d debuglevel] [-f configfile] [-F configdir] [-o <name>[=<value>]]",
                progname );
 
        switch( tool ) {
        case SLAPACL:
-               options = "\n\t[-U authcID | -D authcDN]"
-                       " -b DN -o <var>[=<val>] [-u]"
-                       "\n\t[attr[/access][:value]] [...]\n";
+               options = "\n\t[-U authcID | -D authcDN] [-X authzID | -o authzDN=<DN>]"
+                       "\n\t-b DN [-u] [attr[/access][:value]] [...]\n";
                break;
 
        case SLAPADD:
-               options = " [-c]\n\t[-n databasenumber | -b suffix]\n"
-                       "\t[-l ldiffile] [-q] [-u] [-w]\n";
+               options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]\n"
+                       "\t[-l ldiffile] [-j linenumber] [-q] [-u] [-s] [-w]\n";
                break;
 
        case SLAPAUTH:
@@ -69,8 +79,8 @@ usage( int tool, const char *progname )
                break;
 
        case SLAPCAT:
-               options = " [-c]\n\t[-n databasenumber | -b suffix]"
-                       " [-l ldiffile] [-a filter]\n";
+               options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]"
+                       " [-l ldiffile] [-a filter] [-s subtree] [-H url]\n";
                break;
 
        case SLAPDN:
@@ -78,11 +88,16 @@ usage( int tool, const char *progname )
                break;
 
        case SLAPINDEX:
-               options = " [-c]\n\t[-n databasenumber | -b suffix] [-q]\n";
+               options = " [-c]\n\t[-g] [-n databasenumber | -b suffix] [attr ...] [-q] [-t]\n";
                break;
 
        case SLAPTEST:
-               options = " [-u]\n";
+               options = " [-n databasenumber] [-u]\n";
+               break;
+
+       case SLAPSCHEMA:
+               options = " [-c]\n\t[-g] [-n databasenumber | -b suffix]"
+                       " [-l errorfile] [-a filter] [-s subtree] [-H url]\n";
                break;
        }
 
@@ -93,19 +108,17 @@ usage( int tool, const char *progname )
 }
 
 static int
-parse_slapacl( void )
+parse_slapopt( int tool, int *mode )
 {
-       size_t  len;
+       size_t  len = 0;
        char    *p;
 
        p = strchr( optarg, '=' );
-       if ( p == NULL ) {
-               return -1;
+       if ( p != NULL ) {
+               len = p - optarg;
+               p++;
        }
 
-       len = p - optarg;
-       p++;
-
        if ( strncasecmp( optarg, "sockurl", len ) == 0 ) {
                if ( !BER_BVISNULL( &listener_url ) ) {
                        ber_memfree( listener_url.bv_val );
@@ -131,16 +144,110 @@ parse_slapacl( void )
                ber_str2bv( p, 0, 1, &sock_name );
 
        } else if ( strncasecmp( optarg, "ssf", len ) == 0 ) {
-               ssf = atoi( p );
+               if ( lutil_atou( &ssf, p ) ) {
+                       Debug( LDAP_DEBUG_ANY, "unable to parse ssf=\"%s\".\n", p, 0, 0 );
+                       return -1;
+               }
 
        } else if ( strncasecmp( optarg, "transport_ssf", len ) == 0 ) {
-               transport_ssf = atoi( p );
+               if ( lutil_atou( &transport_ssf, p ) ) {
+                       Debug( LDAP_DEBUG_ANY, "unable to parse transport_ssf=\"%s\".\n", p, 0, 0 );
+                       return -1;
+               }
 
        } else if ( strncasecmp( optarg, "tls_ssf", len ) == 0 ) {
-               tls_ssf = atoi( p );
+               if ( lutil_atou( &tls_ssf, p ) ) {
+                       Debug( LDAP_DEBUG_ANY, "unable to parse tls_ssf=\"%s\".\n", p, 0, 0 );
+                       return -1;
+               }
 
        } else if ( strncasecmp( optarg, "sasl_ssf", len ) == 0 ) {
-               sasl_ssf = atoi( p );
+               if ( lutil_atou( &sasl_ssf, p ) ) {
+                       Debug( LDAP_DEBUG_ANY, "unable to parse sasl_ssf=\"%s\".\n", p, 0, 0 );
+                       return -1;
+               }
+
+       } else if ( strncasecmp( optarg, "authzDN", len ) == 0 ) {
+               ber_str2bv( p, 0, 1, &authzDN );
+
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+       } else if ( strncasecmp( optarg, "syslog", len ) == 0 ) {
+               if ( parse_debug_level( p, &ldap_syslog, &syslog_unknowns ) ) {
+                       return -1;
+               }
+               start_syslog = 1;
+
+       } else if ( strncasecmp( optarg, "syslog-level", len ) == 0 ) {
+               if ( parse_syslog_level( p, &ldap_syslog_level ) ) {
+                       return -1;
+               }
+               start_syslog = 1;
+
+#ifdef LOG_LOCAL4
+       } else if ( strncasecmp( optarg, "syslog-user", len ) == 0 ) {
+               if ( parse_syslog_user( p, &syslogUser ) ) {
+                       return -1;
+               }
+               start_syslog = 1;
+#endif /* LOG_LOCAL4 */
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+       } else if ( strncasecmp( optarg, "schema-check", len ) == 0 ) {
+               switch ( tool ) {
+               case SLAPADD:
+                       if ( strcasecmp( p, "yes" ) == 0 ) {
+                               *mode &= ~SLAP_TOOL_NO_SCHEMA_CHECK;
+                       } else if ( strcasecmp( p, "no" ) == 0 ) {
+                               *mode |= SLAP_TOOL_NO_SCHEMA_CHECK;
+                       } else {
+                               Debug( LDAP_DEBUG_ANY, "unable to parse schema-check=\"%s\".\n", p, 0, 0 );
+                               return -1;
+                       }
+                       break;
+
+               default:
+                       Debug( LDAP_DEBUG_ANY, "schema-check meaningless for tool.\n", 0, 0, 0 );
+                       break;
+               }
+
+       } else if ( strncasecmp( optarg, "value-check", len ) == 0 ) {
+               switch ( tool ) {
+               case SLAPADD:
+                       if ( strcasecmp( p, "yes" ) == 0 ) {
+                               *mode |= SLAP_TOOL_VALUE_CHECK;
+                       } else if ( strcasecmp( p, "no" ) == 0 ) {
+                               *mode &= ~SLAP_TOOL_VALUE_CHECK;
+                       } else {
+                               Debug( LDAP_DEBUG_ANY, "unable to parse value-check=\"%s\".\n", p, 0, 0 );
+                               return -1;
+                       }
+                       break;
+
+               default:
+                       Debug( LDAP_DEBUG_ANY, "value-check meaningless for tool.\n", 0, 0, 0 );
+                       break;
+               }
+
+       } else if ( strncasecmp( optarg, "ldif-wrap", len ) == 0 ) {
+               switch ( tool ) {
+               case SLAPCAT:
+                       if ( strcasecmp( p, "no" ) == 0 ) {
+                               ldif_wrap = LDIF_LINE_WIDTH_MAX;
+
+                       } else {
+                               unsigned int u;
+                               if ( lutil_atou( &u, p ) ) {
+                                       Debug( LDAP_DEBUG_ANY, "unable to parse ldif-wrap=\"%s\".\n", p, 0, 0 );
+                                       return -1;
+                               }
+                               ldif_wrap = (ber_len_t)u;
+                       }
+                       break;
+
+               default:
+                       Debug( LDAP_DEBUG_ANY, "value-check meaningless for tool.\n", 0, 0, 0 );
+                       break;
+               }
 
        } else {
                return -1;
@@ -157,6 +264,8 @@ parse_slapacl( void )
  *     argc, argv      command line arguments
  */
 
+static int need_shutdown;
+
 void
 slap_tool_init(
        const char* progname,
@@ -164,15 +273,26 @@ slap_tool_init(
        int argc, char **argv )
 {
        char *options;
-       char *conffile = SLAPD_DEFAULT_CONFIGFILE;
-       char *confdir = SLAPD_DEFAULT_CONFIGDIR;
+       char *conffile = NULL;
+       char *confdir = NULL;
        struct berval base = BER_BVNULL;
        char *filterstr = NULL;
        char *subtree = NULL;
        char *ldiffile  = NULL;
-       int rc, i, dbnum;
+       char **debug_unknowns = NULL;
+       int rc, i;
        int mode = SLAP_TOOL_MODE;
        int truncatemode = 0;
+       int use_glue = 1;
+       int writer;
+
+#ifdef LDAP_DEBUG
+       /* tools default to "none", so that at least LDAP_DEBUG_ANY 
+        * messages show up; use -d 0 to reset */
+       slap_debug = LDAP_DEBUG_NONE;
+       ldif_debug = slap_debug;
+#endif
+       ldap_syslog = 0;
 
 #ifdef CSRIMALLOC
        leakfilename = malloc( strlen( progname ) + STRLENOF( ".leak" ) + 1 );
@@ -181,40 +301,50 @@ slap_tool_init(
                leakfile = stderr;
        }
        free( leakfilename );
+       leakfilename = NULL;
 #endif
 
+       ldif_wrap = LDIF_LINE_WIDTH;
+
+       scope = LDAP_SCOPE_DEFAULT;
+
        switch( tool ) {
        case SLAPADD:
-               options = "b:cd:f:F:l:n:qtuvw";
+               options = "b:cd:f:F:gj:l:n:o:qsS:uvw";
                break;
 
        case SLAPCAT:
-               options = "a:b:cd:f:F:l:n:s:v";
+               options = "a:b:cd:f:F:gH:l:n:o:s:v";
                mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
                break;
 
        case SLAPDN:
-               options = "d:f:F:NPv";
+               options = "d:f:F:No:Pv";
+               mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
+               break;
+
+       case SLAPSCHEMA:
+               options = "a:b:cd:f:F:gH:l:n:o:s:v";
                mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
                break;
 
        case SLAPTEST:
-               options = "d:f:F:uv";
+               options = "d:f:F:n:o:Quv";
                mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
                break;
 
        case SLAPAUTH:
-               options = "d:f:F:M:R:U:vX:";
+               options = "d:f:F:M:o:R:U:vX:";
                mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
                break;
 
        case SLAPINDEX:
-               options = "b:cd:f:F:n:qv";
+               options = "b:cd:f:F:gn:o:qtv";
                mode |= SLAP_TOOL_READMAIN;
                break;
 
        case SLAPACL:
-               options = "b:D:d:f:F:o:uU:v";
+               options = "b:D:d:f:F:o:uU:vX:";
                mode |= SLAP_TOOL_READMAIN | SLAP_TOOL_READONLY;
                break;
 
@@ -227,7 +357,7 @@ slap_tool_init(
        while ( (i = getopt( argc, argv, options )) != EOF ) {
                switch ( i ) {
                case 'a':
-                       filterstr = strdup( optarg );
+                       filterstr = ch_strdup( optarg );
                        break;
 
                case 'b':
@@ -238,24 +368,97 @@ slap_tool_init(
                        continuemode++;
                        break;
 
-               case 'd':       /* turn on debugging */
-                       ldap_debug += atoi( optarg );
-                       break;
+               case 'd': {     /* turn on debugging */
+                       int     level = 0;
+
+                       if ( parse_debug_level( optarg, &level, &debug_unknowns ) ) {
+                               usage( tool, progname );
+                       }
+#ifdef LDAP_DEBUG
+                       if ( level == 0 ) {
+                               /* allow to reset log level */
+                               slap_debug = 0;
+
+                       } else {
+                               slap_debug |= level;
+                       }
+#else
+                       if ( level != 0 )
+                               fputs( "must compile with LDAP_DEBUG for debugging\n",
+                                      stderr );
+#endif
+                       } break;
 
                case 'D':
                        ber_str2bv( optarg, 0, 1, &authcDN );
                        break;
 
                case 'f':       /* specify a conf file */
-                       conffile = strdup( optarg );
+                       conffile = ch_strdup( optarg );
                        break;
 
                case 'F':       /* specify a conf dir */
-                       confdir = strdup( optarg );
+                       confdir = ch_strdup( optarg );
+                       break;
+
+               case 'g':       /* disable subordinate glue */
+                       use_glue = 0;
+                       break;
+
+               case 'H': {
+                       LDAPURLDesc *ludp;
+                       int rc;
+
+                       rc = ldap_url_parse_ext( optarg, &ludp,
+                               LDAP_PVT_URL_PARSE_NOEMPTY_HOST | LDAP_PVT_URL_PARSE_NOEMPTY_DN );
+                       if ( rc != LDAP_URL_SUCCESS ) {
+                               usage( tool, progname );
+                       }
+
+                       /* don't accept host, port, attrs, extensions */
+                       if ( ldap_pvt_url_scheme2proto( ludp->lud_scheme ) != LDAP_PROTO_TCP ) {
+                               usage( tool, progname );
+                       }
+
+                       if ( ludp->lud_host != NULL ) {
+                               usage( tool, progname );
+                       }
+
+                       if ( ludp->lud_port != 0 ) {
+                               usage( tool, progname );
+                       }
+
+                       if ( ludp->lud_attrs != NULL ) {
+                               usage( tool, progname );
+                       }
+
+                       if ( ludp->lud_exts != NULL ) {
+                               usage( tool, progname );
+                       }
+
+                       if ( ludp->lud_dn != NULL && ludp->lud_dn[0] != '\0' ) {
+                               subtree = ludp->lud_dn;
+                               ludp->lud_dn = NULL;
+                       }
+
+                       if ( ludp->lud_filter != NULL && ludp->lud_filter[0] != '\0' ) {
+                               filterstr = ludp->lud_filter;
+                               ludp->lud_filter = NULL;
+                       }
+
+                       scope = ludp->lud_scope;
+
+                       ldap_free_urldesc( ludp );
+                       } break;
+
+               case 'j':       /* jump to linenumber */
+                       if ( lutil_atoi( &jumpline, optarg ) ) {
+                               usage( tool, progname );
+                       }
                        break;
 
                case 'l':       /* LDIF file */
-                       ldiffile = strdup( optarg );
+                       ldiffile = ch_strdup( optarg );
                        break;
 
                case 'M':
@@ -270,11 +473,13 @@ slap_tool_init(
                        break;
 
                case 'n':       /* which config file db to index */
-                       dbnum = atoi( optarg );
+                       if ( lutil_atoi( &dbnum, optarg ) || dbnum < 0 ) {
+                               usage( tool, progname );
+                       }
                        break;
 
                case 'o':
-                       if ( parse_slapacl() ) {
+                       if ( parse_slapopt( tool, &mode ) ) {
                                usage( tool, progname );
                        }
                        break;
@@ -286,6 +491,11 @@ slap_tool_init(
                        dn_mode = SLAP_TOOL_LDAPDN_PRETTY;
                        break;
 
+               case 'Q':
+                       quiet++;
+                       slap_debug = 0;
+                       break;
+
                case 'q':       /* turn on quick */
                        mode |= SLAP_TOOL_QUICK;
                        break;
@@ -294,8 +504,27 @@ slap_tool_init(
                        realm = optarg;
                        break;
 
-               case 's':       /* dump subtree */
-                       subtree = strdup( optarg );
+               case 'S':
+                       if ( lutil_atou( &csnsid, optarg )
+                               || csnsid > SLAP_SYNC_SID_MAX )
+                       {
+                               usage( tool, progname );
+                       }
+                       break;
+
+               case 's':
+                       switch ( tool ) {
+                       case SLAPADD:
+                               /* no schema check */
+                               mode |= SLAP_TOOL_NO_SCHEMA_CHECK;
+                               break;
+
+                       case SLAPCAT:
+                       case SLAPSCHEMA:
+                               /* dump subtree */
+                               subtree = ch_strdup( optarg );
+                               break;
+                       }
                        break;
 
                case 't':       /* turn on truncate */
@@ -329,16 +558,56 @@ slap_tool_init(
                }
        }
 
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+       if ( start_syslog ) {
+               char *logName;
+#ifdef HAVE_EBCDIC
+               logName = ch_strdup( progname );
+               __atoe( logName );
+#else
+               logName = (char *)progname;
+#endif
+
+#ifdef LOG_LOCAL4
+               openlog( logName, OPENLOG_OPTIONS, syslogUser );
+#elif defined LOG_DEBUG
+               openlog( logName, OPENLOG_OPTIONS );
+#endif
+#ifdef HAVE_EBCDIC
+               free( logName );
+               logName = NULL;
+#endif
+       }
+#endif /* LDAP_DEBUG && LDAP_SYSLOG */
+
+       switch ( tool ) {
+       case SLAPCAT:
+       case SLAPSCHEMA:
+               writer = 1;
+               break;
+
+       default:
+               writer = 0;
+               break;
+       }
+
        switch ( tool ) {
        case SLAPADD:
        case SLAPCAT:
-       case SLAPINDEX:
+       case SLAPSCHEMA:
                if ( ( argc != optind ) || (dbnum >= 0 && base.bv_val != NULL ) ) {
                        usage( tool, progname );
                }
 
                break;
 
+       case SLAPINDEX:
+               if ( dbnum >= 0 && base.bv_val != NULL ) {
+                       usage( tool, progname );
+               }
+
+               break;
+
        case SLAPDN:
                if ( argc == optind ) {
                        usage( tool, progname );
@@ -371,12 +640,11 @@ slap_tool_init(
                break;
        }
 
-       ldap_syslog = 0;
-
        if ( ldiffile == NULL ) {
-               ldiffp = tool == SLAPCAT ? stdout : stdin;
+               dummy.fp = writer ? stdout : stdin;
+               ldiffp = &dummy;
 
-       } else if ((ldiffp = fopen( ldiffile, tool == SLAPCAT ? "w" : "r" ))
+       } else if ((ldiffp = ldif_open( ldiffile, writer ? "w" : "r" ))
                == NULL )
        {
                perror( ldiffile );
@@ -387,43 +655,37 @@ slap_tool_init(
         * initialize stuff and figure out which backend we're dealing with
         */
 
-#ifdef SLAPD_MODULES
-       if ( module_init() != 0 ) {
-               fprintf( stderr, "%s: module_init failed!\n", progname );
-               exit( EXIT_FAILURE );
-       }
-#endif
-               
-       rc = slap_schema_init();
-
-       if ( rc != 0 ) {
-               fprintf( stderr, "%s: slap_schema_init failed!\n", progname );
-               exit( EXIT_FAILURE );
-       }
-
        rc = slap_init( mode, progname );
-
        if ( rc != 0 ) {
                fprintf( stderr, "%s: slap_init failed!\n", progname );
                exit( EXIT_FAILURE );
        }
 
-       if ( frontend_init() ) {
-               fprintf( stderr, "%s: frontend_init failed!\n", progname );
-               exit( EXIT_FAILURE );
-       }
+       rc = read_config( conffile, confdir );
 
-       if ( overlay_init() ) {
-               fprintf( stderr, "%s: overlay_init failed!\n", progname );
+       if ( rc != 0 ) {
+               fprintf( stderr, "%s: bad configuration %s!\n",
+                       progname, confdir ? "directory" : "file" );
                exit( EXIT_FAILURE );
        }
 
-       rc = read_config( conffile, confdir );
+       if ( debug_unknowns ) {
+               rc = parse_debug_unknowns( debug_unknowns, &slap_debug );
+               ldap_charray_free( debug_unknowns );
+               debug_unknowns = NULL;
+               if ( rc )
+                       exit( EXIT_FAILURE );
+       }
 
-       if ( rc != 0 ) {
-               fprintf( stderr, "%s: bad configuration file!\n", progname );
-               exit( EXIT_FAILURE );
+#if defined(LDAP_SYSLOG) && defined(LDAP_DEBUG)
+       if ( syslog_unknowns ) {
+               rc = parse_debug_unknowns( syslog_unknowns, &ldap_syslog );
+               ldap_charray_free( syslog_unknowns );
+               syslog_unknowns = NULL;
+               if ( rc )
+                       exit( EXIT_FAILURE );
        }
+#endif
 
        at_oc_cache = 1;
 
@@ -431,6 +693,7 @@ slap_tool_init(
        case SLAPADD:
        case SLAPCAT:
        case SLAPINDEX:
+       case SLAPSCHEMA:
                if ( !nbackends ) {
                        fprintf( stderr, "No databases found "
                                        "in config file\n" );
@@ -442,6 +705,16 @@ slap_tool_init(
                break;
        }
 
+       if ( use_glue ) {
+               rc = glue_sub_attach( 0 );
+
+               if ( rc != 0 ) {
+                       fprintf( stderr,
+                               "%s: subordinate configuration error\n", progname );
+                       exit( EXIT_FAILURE );
+               }
+       }
+
        rc = slap_schema_check();
 
        if ( rc != 0 ) {
@@ -450,8 +723,11 @@ slap_tool_init(
        }
 
        switch ( tool ) {
-       case SLAPDN:
        case SLAPTEST:
+               if ( dbnum >= 0 )
+                       goto get_db;
+               /* FALLTHRU */
+       case SLAPDN:
        case SLAPAUTH:
                be = NULL;
                goto startup;
@@ -467,6 +743,9 @@ slap_tool_init(
                        fprintf( stderr, "Invalid filter '%s'\n", filterstr );
                        exit( EXIT_FAILURE );
                }
+
+               ch_free( filterstr );
+               filterstr = NULL;
        }
 
        if( subtree ) {
@@ -482,6 +761,7 @@ slap_tool_init(
                        base = val;
                } else {
                        free( subtree );
+                       subtree = NULL;
                }
        }
 
@@ -495,8 +775,9 @@ slap_tool_init(
                        exit( EXIT_FAILURE );
                }
 
-               be = select_backend( &nbase, 0, 0 );
+               be = select_backend( &nbase, 0 );
                ber_memfree( nbase.bv_val );
+               BER_BVZERO( &nbase );
 
                switch ( tool ) {
                case SLAPACL:
@@ -514,17 +795,25 @@ slap_tool_init(
                /* If the named base is a glue master, operate on the
                 * entire context
                 */
-               if (SLAP_GLUE_INSTANCE(be)) {
+               if ( SLAP_GLUE_INSTANCE( be ) ) {
                        nosubordinates = 1;
                }
 
+               ch_free( base.bv_val );
+               BER_BVZERO( &base );
+
        } else if ( dbnum == -1 ) {
+               /* no suffix and no dbnum specified, just default to
+                * the first available database
+                */
                if ( nbackends <= 0 ) {
                        fprintf( stderr, "No available databases\n" );
                        exit( EXIT_FAILURE );
                }
                LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
                        dbnum++;
+
+                       /* db #0 is cn=config, don't select it as a default */
                        if ( dbnum < 1 ) continue;
                
                        if ( SLAP_MONITOR(be))
@@ -546,57 +835,102 @@ slap_tool_init(
                        exit( EXIT_FAILURE );
                }
                
-               if ( nosubordinates == 0 && dbnum > 0 ) {
+               if ( nosubordinates == 0 && dbnum > 1 ) {
                        Debug( LDAP_DEBUG_ANY,
                                "The first database does not allow %s;"
                                " using the first available one (%d)\n",
-                               progname, dbnum + 1, 0 );
+                               progname, dbnum, 0 );
                }
 
-       } else if ( dbnum < 0 || dbnum > (nbackends-1) ) {
+       } else if ( dbnum >= nbackends ) {
                fprintf( stderr,
                        "Database number selected via -n is out of range\n"
-                       "Must be in the range 1 to %d"
-                       " (number of databases in the config file)\n",
-                       nbackends );
+                       "Must be in the range 0 to %d"
+                       " (the number of configured databases)\n",
+                       nbackends - 1 );
                exit( EXIT_FAILURE );
 
        } else {
+get_db:
                LDAP_STAILQ_FOREACH( be, &backendDB, be_next ) {
                        if ( dbnum == 0 ) break;
                        dbnum--;
                }
        }
 
+       if ( scope != LDAP_SCOPE_DEFAULT && BER_BVISNULL( &sub_ndn ) ) {
+               if ( be && be->be_nsuffix ) {
+                       ber_dupbv( &sub_ndn, be->be_nsuffix );
+
+               } else {
+                       fprintf( stderr,
+                               "<scope> needs a DN or a valid database\n" );
+                       exit( EXIT_FAILURE );
+               }
+       }
+
 startup:;
+       if ( be ) {
+               BackendDB *bdtmp;
+
+               dbnum = 0;
+               LDAP_STAILQ_FOREACH( bdtmp, &backendDB, be_next ) {
+                       if ( bdtmp == be ) break;
+                       dbnum++;
+               }
+       }
 
 #ifdef CSRIMALLOC
        mal_leaktrace(1);
 #endif
 
-       if ( !dryrun && slap_startup( be ) ) {
+       if ( conffile != NULL ) {
+               ch_free( conffile );
+               conffile = NULL;
+       }
 
-               switch ( tool ) {
-               case SLAPTEST:
-                       fprintf( stderr, "slap_startup failed "
-                                       "(test would succeed using "
-                                       "the -u switch)\n" );
-                       break;
+       if ( confdir != NULL ) {
+               ch_free( confdir );
+               confdir = NULL;
+       }
 
-               default:
-                       fprintf( stderr, "slap_startup failed\n" );
-                       break;
+       if ( ldiffile != NULL ) {
+               ch_free( ldiffile );
+               ldiffile = NULL;
+       }
+
+       /* slapdn doesn't specify a backend to startup */
+       if ( !dryrun && tool != SLAPDN ) {
+               need_shutdown = 1;
+
+               if ( slap_startup( be ) ) {
+                       switch ( tool ) {
+                       case SLAPTEST:
+                               fprintf( stderr, "slap_startup failed "
+                                               "(test would succeed using "
+                                               "the -u switch)\n" );
+                               break;
+
+                       default:
+                               fprintf( stderr, "slap_startup failed\n" );
+                               break;
+                       }
+
+                       exit( EXIT_FAILURE );
                }
-               
-               exit( EXIT_FAILURE );
        }
 }
 
-void slap_tool_destroy( void )
+int slap_tool_destroy( void )
 {
+       int rc = 0;
        if ( !dryrun ) {
-               slap_shutdown( be );
-               slap_destroy();
+               if ( need_shutdown ) {
+                       if ( slap_shutdown( be ))
+                               rc = EXIT_FAILURE;
+               }
+               if ( slap_destroy())
+                       rc = EXIT_FAILURE;
        }
 #ifdef SLAPD_MODULES
        if ( slapMode == SLAP_SERVER_MODE ) {
@@ -617,5 +951,270 @@ void slap_tool_destroy( void )
 
        if ( !BER_BVISNULL( &authcDN ) ) {
                ch_free( authcDN.bv_val );
+               BER_BVZERO( &authcDN );
+       }
+
+       if ( ldiffp && ldiffp != &dummy ) {
+               ldif_close( ldiffp );
+       }
+       return rc;
+}
+
+int
+slap_tool_update_ctxcsn(
+       const char *progname,
+       unsigned long sid,
+       struct berval *bvtext )
+{
+       struct berval ctxdn;
+       ID ctxcsn_id;
+       Entry *ctxcsn_e;
+       int rc = EXIT_SUCCESS;
+
+       if ( !(update_ctxcsn && !dryrun && sid != SLAP_SYNC_SID_MAX + 1) ) {
+               return rc;
        }
+
+       if ( SLAP_SYNC_SUBENTRY( be )) {
+               build_new_dn( &ctxdn, &be->be_nsuffix[0],
+                       (struct berval *)&slap_ldapsync_cn_bv, NULL );
+       } else {
+               ctxdn = be->be_nsuffix[0];
+       }
+       ctxcsn_id = be->be_dn2id_get( be, &ctxdn );
+       if ( ctxcsn_id == NOID ) {
+               if ( SLAP_SYNC_SUBENTRY( be )) {
+                       ctxcsn_e = slap_create_context_csn_entry( be, NULL );
+                       for ( sid = 0; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+                               if ( maxcsn[ sid ].bv_len ) {
+                                       attr_merge_one( ctxcsn_e, slap_schema.si_ad_contextCSN,
+                                               &maxcsn[ sid ], NULL );
+                               }
+                       }
+                       ctxcsn_id = be->be_entry_put( be, ctxcsn_e, bvtext );
+                       if ( ctxcsn_id == NOID ) {
+                               fprintf( stderr, "%s: couldn't create context entry\n", progname );
+                               rc = EXIT_FAILURE;
+                       }
+               } else {
+                       fprintf( stderr, "%s: context entry is missing\n", progname );
+                       rc = EXIT_FAILURE;
+               }
+       } else {
+               ctxcsn_e = be->be_entry_get( be, ctxcsn_id );
+               if ( ctxcsn_e != NULL ) {
+                       Entry *e = entry_dup( ctxcsn_e );
+                       int change;
+                       Attribute *attr = attr_find( e->e_attrs, slap_schema.si_ad_contextCSN );
+                       if ( attr ) {
+                               int             i;
+
+                               change = 0;
+
+                               for ( i = 0; !BER_BVISNULL( &attr->a_nvals[ i ] ); i++ ) {
+                                       int rc_sid;
+                                       int match;
+                                       const char *text = NULL;
+
+                                       rc_sid = slap_parse_csn_sid( &attr->a_nvals[ i ] );
+                                       if ( rc_sid < 0 ) {
+                                               Debug( LDAP_DEBUG_ANY,
+                                                       "%s: unable to extract SID "
+                                                       "from #%d contextCSN=%s\n",
+                                                       progname, i,
+                                                       attr->a_nvals[ i ].bv_val );
+                                               continue;
+                                       }
+
+                                       assert( rc_sid <= SLAP_SYNC_SID_MAX );
+
+                                       sid = (unsigned)rc_sid;
+
+                                       if ( maxcsn[ sid ].bv_len == 0 ) {
+                                               match = -1;
+
+                                       } else {
+                                               value_match( &match, slap_schema.si_ad_entryCSN,
+                                                       slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
+                                                       SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+                                                       &maxcsn[ sid ], &attr->a_nvals[i], &text );
+                                       }
+
+                                       if ( match > 0 ) {
+                                               change = 1;
+                                       } else {
+                                               AC_MEMCPY( maxcsn[ sid ].bv_val,
+                                                       attr->a_nvals[ i ].bv_val,
+                                                       attr->a_nvals[ i ].bv_len );
+                                               maxcsn[ sid ].bv_val[ attr->a_nvals[ i ].bv_len ] = '\0';
+                                               maxcsn[ sid ].bv_len = attr->a_nvals[ i ].bv_len;
+                                       }
+                               }
+
+                               if ( change ) {
+                                       if ( attr->a_nvals != attr->a_vals ) {
+                                               ber_bvarray_free( attr->a_nvals );
+                                       }
+                                       attr->a_nvals = NULL;
+                                       ber_bvarray_free( attr->a_vals );
+                                       attr->a_vals = NULL;
+                                       attr->a_numvals = 0;
+                               }
+                       } else {
+                               change = 1;
+                       }
+
+                       if ( change ) {
+                               for ( sid = 0; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+                                       if ( maxcsn[ sid ].bv_len ) {
+                                               attr_merge_one( e, slap_schema.si_ad_contextCSN,
+                                                       &maxcsn[ sid], NULL );
+                                       }
+                               }
+
+                               ctxcsn_id = be->be_entry_modify( be, e, bvtext );
+                               if( ctxcsn_id == NOID ) {
+                                       fprintf( stderr, "%s: could not modify ctxcsn (%s)\n",
+                                               progname, bvtext->bv_val ? bvtext->bv_val : "" );
+                                       rc = EXIT_FAILURE;
+                               } else if ( verbose ) {
+                                       fprintf( stderr, "modified: \"%s\" (%08lx)\n",
+                                               e->e_dn, (long) ctxcsn_id );
+                               }
+                       }
+                       entry_free( e );
+               }
+       } 
+
+       return rc;
 }
+
+/*
+ * return value:
+ *     -1:                     update_ctxcsn == 0
+ *     SLAP_SYNC_SID_MAX + 1:  unable to extract SID
+ *     0 <= SLAP_SYNC_SID_MAX: the SID
+ */
+unsigned long
+slap_tool_update_ctxcsn_check(
+       const char *progname,
+       Entry *e )
+{
+       if ( update_ctxcsn ) {
+               unsigned long sid = SLAP_SYNC_SID_MAX + 1;
+               int rc_sid;
+               Attribute *attr;
+
+               attr = attr_find( e->e_attrs, slap_schema.si_ad_entryCSN );
+               assert( attr != NULL );
+
+               rc_sid = slap_parse_csn_sid( &attr->a_nvals[ 0 ] );
+               if ( rc_sid < 0 ) {
+                       Debug( LDAP_DEBUG_ANY, "%s: could not "
+                               "extract SID from entryCSN=%s, entry dn=\"%s\"\n",
+                               progname, attr->a_nvals[ 0 ].bv_val, e->e_name.bv_val );
+                       return (unsigned long)(-1);
+
+               } else {
+                       int match;
+                       const char *text = NULL;
+
+                       assert( rc_sid <= SLAP_SYNC_SID_MAX );
+
+                       sid = (unsigned)rc_sid;
+                       if ( maxcsn[ sid ].bv_len != 0 ) {
+                               match = 0;
+                               value_match( &match, slap_schema.si_ad_entryCSN,
+                                       slap_schema.si_ad_entryCSN->ad_type->sat_ordering,
+                                       SLAP_MR_VALUE_OF_ATTRIBUTE_SYNTAX,
+                                       &maxcsn[ sid ], &attr->a_nvals[0], &text );
+                       } else {
+                               match = -1;
+                       }
+                       if ( match < 0 ) {
+                               strcpy( maxcsn[ sid ].bv_val, attr->a_nvals[0].bv_val );
+                               maxcsn[ sid ].bv_len = attr->a_nvals[0].bv_len;
+                       }
+               }
+       }
+
+       return (unsigned long)(-1);
+}
+
+int
+slap_tool_update_ctxcsn_init(void)
+{
+       if ( update_ctxcsn ) {
+               unsigned long sid;
+               maxcsn[ 0 ].bv_val = maxcsnbuf;
+               for ( sid = 1; sid <= SLAP_SYNC_SID_MAX; sid++ ) {
+                       maxcsn[ sid ].bv_val = maxcsn[ sid - 1 ].bv_val + LDAP_PVT_CSNSTR_BUFSIZE;
+                       maxcsn[ sid ].bv_len = 0;
+               }
+       }
+
+       return 0;
+}
+
+int
+slap_tool_entry_check(
+       const char *progname,
+       Operation *op,
+       Entry *e,
+       int lineno,
+       const char **text,
+       char *textbuf,
+       size_t textlen )
+{
+       /* NOTE: we may want to conditionally enable manage */
+       int manage = 0;
+
+       Attribute *oc = attr_find( e->e_attrs,
+               slap_schema.si_ad_objectClass );
+
+       if( oc == NULL ) {
+               fprintf( stderr, "%s: dn=\"%s\" (line=%d): %s\n",
+                       progname, e->e_dn, lineno,
+                       "no objectClass attribute");
+               return LDAP_NO_SUCH_ATTRIBUTE;
+       }
+
+       /* check schema */
+       op->o_bd = be;
+
+       if ( (slapMode & SLAP_TOOL_NO_SCHEMA_CHECK) == 0) {
+               int rc = entry_schema_check( op, e, NULL, manage, 1, NULL,
+                       text, textbuf, textlen );
+
+               if( rc != LDAP_SUCCESS ) {
+                       fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+                               progname, e->e_dn, lineno, rc, *text );
+                       return rc;
+               }
+               textbuf[ 0 ] = '\0';
+       }
+
+       if ( (slapMode & SLAP_TOOL_VALUE_CHECK) != 0) {
+               Modifications *ml = NULL;
+
+               int rc = slap_entry2mods( e, &ml, text, textbuf, textlen );
+               if ( rc != LDAP_SUCCESS ) {
+                       fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+                               progname, e->e_dn, lineno, rc, *text );
+                       return rc;
+               }
+               textbuf[ 0 ] = '\0';
+
+               rc = slap_mods_check( op, ml, text, textbuf, textlen, NULL );
+               slap_mods_free( ml, 1 );
+               if ( rc != LDAP_SUCCESS ) {
+                       fprintf( stderr, "%s: dn=\"%s\" (line=%d): (%d) %s\n",
+                               progname, e->e_dn, lineno, rc, *text );
+                       return rc;
+               }
+               textbuf[ 0 ] = '\0';
+       }
+
+       return LDAP_SUCCESS;
+}
+