config.c

OpenLdap是LDAP的开源项目

		{
			Debug( LDAP_DEBUG_ANY, "%s: line %d: "
					"bind DN '%s' is invalid\n",
					fname, lineno, argv[ 1 ] );
			return( 1 );
		}

	/* password to use for meta_back_group */
	} else if ( strcasecmp( argv[ 0 ], "acl-passwd" ) == 0
			|| strcasecmp( argv[ 0 ], "bindpw" ) == 0 )
	{
		int 		i = mi->mi_ntargets - 1;

		if ( i < 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: need \"uri\" directive first\n",
				fname, lineno, 0 );
			return 1;
		}
		
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: missing password in \"bindpw <password>\" line\n",
			    fname, lineno, 0 );
			return 1;
		}

		if ( strcasecmp( argv[ 0 ], "bindpw" ) == 0 ) {
			Debug( LDAP_DEBUG_ANY, "%s: line %d: "
				"\"bindpw\" statement is deprecated; "
				"use \"acl-passwd\" instead\n",
				fname, lineno, 0 );
			/* FIXME: some day we'll need to throw an error */
		}

		ber_str2bv( argv[ 1 ], 0L, 1, &mi->mi_targets[ i ]->mt_bindpw );
		
	/* save bind creds for referral rebinds? */
	} else if ( strcasecmp( argv[ 0 ], "rebind-as-user" ) == 0 ) {
		if ( argc > 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"rebind-as-user {NO|yes}\" takes 1 argument.\n",
			    fname, lineno, 0 );
			return( 1 );
		}

		if ( argc == 1 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: deprecated use of \"rebind-as-user {FALSE|true}\" with no arguments.\n",
			    fname, lineno, 0 );
			mi->mi_flags |= LDAP_BACK_F_SAVECRED;

		} else {
			switch ( check_true_false( argv[ 1 ] ) ) {
			case 0:
				mi->mi_flags &= ~LDAP_BACK_F_SAVECRED;
				break;

			case 1:
				mi->mi_flags |= LDAP_BACK_F_SAVECRED;
				break;

			default:
				Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"rebind-as-user {FALSE|true}\" unknown argument \"%s\".\n",
				    fname, lineno, argv[ 1 ] );
				return 1;
			}
		}

	} else if ( strcasecmp( argv[ 0 ], "chase-referrals" ) == 0 ) {
		unsigned	*flagsp = mi->mi_ntargets ?
				&mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_flags
				: &mi->mi_flags;

		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"chase-referrals {TRUE|false}\" needs 1 argument.\n",
				fname, lineno, 0 );
			return( 1 );
		}

		/* this is the default; we add it because the default might change... */
		switch ( check_true_false( argv[ 1 ] ) ) {
		case 1:
			*flagsp |= LDAP_BACK_F_CHASE_REFERRALS;
			break;

		case 0:
			*flagsp &= ~LDAP_BACK_F_CHASE_REFERRALS;
			break;

		default:
			Debug( LDAP_DEBUG_ANY,
		"%s: line %d: \"chase-referrals {TRUE|false}\": unknown argument \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return( 1 );
		}
	
	} else if ( strcasecmp( argv[ 0 ], "tls" ) == 0 ) {
		unsigned	*flagsp = mi->mi_ntargets ?
				&mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_flags
				: &mi->mi_flags;

		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
		"%s: line %d: \"tls <what>\" needs 1 argument.\n",
				fname, lineno, 0 );
			return( 1 );
		}

		/* start */
		if ( strcasecmp( argv[ 1 ], "start" ) == 0 ) {
			*flagsp |= ( LDAP_BACK_F_USE_TLS | LDAP_BACK_F_TLS_CRITICAL );
	
		/* try start tls */
		} else if ( strcasecmp( argv[ 1 ], "try-start" ) == 0 ) {
			*flagsp &= ~LDAP_BACK_F_TLS_CRITICAL;
			*flagsp |= LDAP_BACK_F_USE_TLS;
	
		/* propagate start tls */
		} else if ( strcasecmp( argv[ 1 ], "propagate" ) == 0 ) {
			*flagsp |= ( LDAP_BACK_F_PROPAGATE_TLS | LDAP_BACK_F_TLS_CRITICAL );
		
		/* try start tls */
		} else if ( strcasecmp( argv[ 1 ], "try-propagate" ) == 0 ) {
			*flagsp &= ~LDAP_BACK_F_TLS_CRITICAL;
			*flagsp |= LDAP_BACK_F_PROPAGATE_TLS;

		} else {
			Debug( LDAP_DEBUG_ANY,
		"%s: line %d: \"tls <what>\": unknown argument \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return( 1 );
		}

	} else if ( strcasecmp( argv[ 0 ], "t-f-support" ) == 0 ) {
		unsigned	*flagsp = mi->mi_ntargets ?
				&mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_flags
				: &mi->mi_flags;

		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
		"%s: line %d: \"t-f-support {FALSE|true|discover}\" needs 1 argument.\n",
				fname, lineno, 0 );
			return( 1 );
		}

		switch ( check_true_false( argv[ 1 ] ) ) {
		case 0:
			*flagsp &= ~LDAP_BACK_F_T_F_MASK2;
			break;

		case 1:
			*flagsp |= LDAP_BACK_F_T_F;
			break;

		default:
			if ( strcasecmp( argv[ 1 ], "discover" ) == 0 ) {
				*flagsp |= LDAP_BACK_F_T_F_DISCOVER;

			} else {
				Debug( LDAP_DEBUG_ANY,
	"%s: line %d: unknown value \"%s\" for \"t-f-support {no|yes|discover}\".\n",
					fname, lineno, argv[ 1 ] );
				return 1;
			}
			break;
		}

	/* onerr? */
	} else if ( strcasecmp( argv[ 0 ], "onerr" ) == 0 ) {
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"onerr {CONTINUE|report|stop}\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( strcasecmp( argv[ 1 ], "continue" ) == 0 ) {
			mi->mi_flags &= ~META_BACK_F_ONERR_MASK;

		} else if ( strcasecmp( argv[ 1 ], "stop" ) == 0 ) {
			mi->mi_flags |= META_BACK_F_ONERR_STOP;

		} else if ( strcasecmp( argv[ 1 ], "report" ) == 0 ) {
			mi->mi_flags |= META_BACK_F_ONERR_REPORT;

		} else {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"onerr {CONTINUE|report|stop}\": invalid arg \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return 1;
		}

	/* bind-defer? */
	} else if ( strcasecmp( argv[ 0 ], "pseudoroot-bind-defer" ) == 0
		|| strcasecmp( argv[ 0 ], "root-bind-defer" ) == 0 )
	{
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"[pseudo]root-bind-defer {FALSE|true}\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		switch ( check_true_false( argv[ 1 ] ) ) {
		case 0:
			mi->mi_flags &= ~META_BACK_F_DEFER_ROOTDN_BIND;
			break;

		case 1:
			mi->mi_flags |= META_BACK_F_DEFER_ROOTDN_BIND;
			break;

		default:
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"[pseudo]root-bind-defer {FALSE|true}\": invalid arg \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return 1;
		}

	/* single-conn? */
	} else if ( strcasecmp( argv[ 0 ], "single-conn" ) == 0 ) {
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"single-conn {FALSE|true}\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( mi->mi_ntargets > 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"single-conn\" must appear before target definitions\n",
				fname, lineno, 0 );
			return( 1 );
		}

		switch ( check_true_false( argv[ 1 ] ) ) {
		case 0:
			mi->mi_flags &= ~LDAP_BACK_F_SINGLECONN;
			break;

		case 1:
			mi->mi_flags |= LDAP_BACK_F_SINGLECONN;
			break;

		default:
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"single-conn {FALSE|true}\": invalid arg \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return 1;
		}

	/* use-temporaries? */
	} else if ( strcasecmp( argv[ 0 ], "use-temporary-conn" ) == 0 ) {
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"use-temporary-conn {FALSE|true}\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( mi->mi_ntargets > 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"use-temporary-conn\" must appear before target definitions\n",
				fname, lineno, 0 );
			return( 1 );
		}

		switch ( check_true_false( argv[ 1 ] ) ) {
		case 0:
			mi->mi_flags &= ~LDAP_BACK_F_USE_TEMPORARIES;
			break;

		case 1:
			mi->mi_flags |= LDAP_BACK_F_USE_TEMPORARIES;
			break;

		default:
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"use-temporary-conn {FALSE|true}\": invalid arg \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return 1;
		}

	/* privileged connections pool max size ? */
	} else if ( strcasecmp( argv[ 0 ], "conn-pool-max" ) == 0 ) {
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"conn-pool-max <n>\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( mi->mi_ntargets > 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"conn-pool-max\" must appear before target definitions\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( lutil_atoi( &mi->mi_conn_priv_max, argv[1] )
			|| mi->mi_conn_priv_max < LDAP_BACK_CONN_PRIV_MIN
			|| mi->mi_conn_priv_max > LDAP_BACK_CONN_PRIV_MAX )
		{
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"conn-pool-max <n>\": invalid arg \"%s\".\n",
				fname, lineno, argv[ 1 ] );
			return 1;
		}

	} else if ( strcasecmp( argv[ 0 ], "cancel" ) == 0 ) {
		unsigned 	flag = 0;
		unsigned	*flagsp = mi->mi_ntargets ?
				&mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_flags
				: &mi->mi_flags;

		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"cancel {abandon|ignore|exop}\" takes 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		if ( strcasecmp( argv[ 1 ], "abandon" ) == 0 ) {
			flag = LDAP_BACK_F_CANCEL_ABANDON;

#if 0	/* needs ldap_int_discard(), 2.4 */
		} else if ( strcasecmp( argv[ 1 ], "ignore" ) == 0 ) {
			flag = LDAP_BACK_F_CANCEL_IGNORE;
#endif

		} else if ( strcasecmp( argv[ 1 ], "exop" ) == 0 ) {
			flag = LDAP_BACK_F_CANCEL_EXOP;

		} else if ( strcasecmp( argv[ 1 ], "exop-discover" ) == 0 ) {
			flag = LDAP_BACK_F_CANCEL_EXOP_DISCOVER;

		} else {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"cancel {abandon|ignore|exop[-discover]}\": unknown mode \"%s\" \n",
				fname, lineno, argv[ 1 ] );
			return( 1 );
		}

		*flagsp &= ~LDAP_BACK_F_CANCEL_MASK2;
		*flagsp |= flag;

	} else if ( strcasecmp( argv[ 0 ], "timeout" ) == 0 ) {
		char	*sep;
		time_t	*tv = mi->mi_ntargets ?
				mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_timeout
				: mi->mi_timeout;
		int	c;

		if ( argc < 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: \"timeout [{add|bind|delete|modify|modrdn}=]<val> [...]\" takes at least 1 argument\n",
				fname, lineno, 0 );
			return( 1 );
		}

		for ( c = 1; c < argc; c++ ) {
			time_t		*t = NULL;
			unsigned long	val;

			sep = strchr( argv[ c ], '=' );
			if ( sep != NULL ) {
				size_t	len = sep - argv[ c ];

				if ( strncasecmp( argv[ c ], "bind", len ) == 0 ) {
					t = &tv[ SLAP_OP_BIND ];
				/* unbind makes little sense */
				} else if ( strncasecmp( argv[ c ], "add", len ) == 0 ) {
					t = &tv[ SLAP_OP_ADD ];
				} else if ( strncasecmp( argv[ c ], "delete", len ) == 0 ) {
					t = &tv[ SLAP_OP_DELETE ];
				} else if ( strncasecmp( argv[ c ], "modrdn", len ) == 0 ) {
					t = &tv[ SLAP_OP_MODRDN ];
				} else if ( strncasecmp( argv[ c ], "modify", len ) == 0 ) {
					t = &tv[ SLAP_OP_MODIFY ];
				} else if ( strncasecmp( argv[ c ], "compare", len ) == 0 ) {
					t = &tv[ SLAP_OP_COMPARE ];
				} else if ( strncasecmp( argv[ c ], "search", len ) == 0 ) {
					t = &tv[ SLAP_OP_SEARCH ];
				/* abandon makes little sense */
#if 0				/* not implemented yet */
				} else if ( strncasecmp( argv[ c ], "extended", len ) == 0 ) {
					t = &tv[ SLAP_OP_EXTENDED ];
#endif
				} else {
					char	buf[ SLAP_TEXT_BUFLEN ];
					snprintf( buf, sizeof( buf ),
						"unknown/unhandled operation \"%s\" for timeout #%d",
						argv[ c ], c - 1 );
					Debug( LDAP_DEBUG_ANY,
						"%s: line %d: %s.\n",
						fname, lineno, buf );
					return 1;
				}
				sep++;
	
			} else {
				sep = argv[ c ];
			}
	
			if ( lutil_parse_time( sep, &val ) != 0 ) {
				Debug( LDAP_DEBUG_ANY,
		"%s: line %d: unable to parse value \"%s\" for timeout.\n",
					fname, lineno, sep );
				return 1;
			}
		
			if ( t ) {
				*t = (time_t)val;
	
			} else {
				int	i;
	
				for ( i = 0; i < SLAP_OP_LAST; i++ ) {
					tv[ i ] = (time_t)val;
				}
			}
		}
	
	/* name to use as pseudo-root dn */
	} else if ( strcasecmp( argv[ 0 ], "pseudorootdn" ) == 0 ) {
		int 		i = mi->mi_ntargets - 1;

		if ( i < 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: need \"uri\" directive first\n",
				fname, lineno, 0 );
			return 1;
		}
		
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: missing name in \"pseudorootdn <name>\" line\n",
				fname, lineno, 0 );
			return 1;
		}

		/*
		 * exact replacement:
		 *

idassert-bind	bindmethod=simple
		binddn=<pseudorootdn>
		credentials=<pseudorootpw>
		mode=none
		flags=non-prescriptive
idassert-authzFrom	"dn:<rootdn>"

		 * so that only when authc'd as <rootdn> the proxying occurs
		 * rebinding as the <pseudorootdn> without proxyAuthz.
		 */

		Debug( LDAP_DEBUG_ANY,
			"%s: line %d: \"pseudorootdn\", \"pseudorootpw\" are no longer supported; "
			"use \"idassert-bind\" and \"idassert-authzFrom\" instead.\n",
			fname, lineno, 0 );

		{
			char	binddn[ SLAP_TEXT_BUFLEN ];
			char	*cargv[] = {
				"idassert-bind",
				"bindmethod=simple",
				NULL,
				"mode=none",
				"flags=non-prescriptive",
				NULL
			};
			int	cargc = 5;
			int	rc;

			if ( BER_BVISNULL( &be->be_rootndn ) ) {
				Debug( LDAP_DEBUG_ANY, "%s: line %d: \"pseudorootpw\": \"rootdn\" must be defined first.\n",
					fname, lineno, 0 );
				return 1;
			}

			if ( snprintf( binddn, sizeof( binddn ), "binddn=%s", argv[ 1 ] ) >= sizeof( binddn ) ) {
				Debug( LDAP_DEBUG_ANY, "%s: line %d: \"pseudorootdn\" too long.\n",
					fname, lineno, 0 );
				return 1;
			}
			cargv[ 2 ] = binddn;

			rc = slap_idassert_parse_cf( fname, lineno, cargc, cargv, &mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert );
			if ( rc == 0 ) {
				struct berval	bv;

				if ( mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert_authz != NULL ) {
					Debug( LDAP_DEBUG_ANY, "%s: line %d: \"idassert-authzFrom\" already defined (discarded).\n",
						fname, lineno, 0 );
					ber_bvarray_free( mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert_authz );
					mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert_authz = NULL;
				}

				assert( !BER_BVISNULL( &mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert_authcDN ) );

				bv.bv_len = STRLENOF( "dn:" ) + be->be_rootndn.bv_len;
				bv.bv_val = ber_memalloc( bv.bv_len + 1 );
				AC_MEMCPY( bv.bv_val, "dn:", STRLENOF( "dn:" ) );
				AC_MEMCPY( &bv.bv_val[ STRLENOF( "dn:" ) ], be->be_rootndn.bv_val, be->be_rootndn.bv_len + 1 );

				ber_bvarray_add( &mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert_authz, &bv );
			}

			return rc;
		}

	/* password to use as pseudo-root */
	} else if ( strcasecmp( argv[ 0 ], "pseudorootpw" ) == 0 ) {
		int 		i = mi->mi_ntargets - 1;

		if ( i < 0 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: need \"uri\" directive first\n",
				fname, lineno, 0 );
			return 1;
		}
		
		if ( argc != 2 ) {
			Debug( LDAP_DEBUG_ANY,
	"%s: line %d: missing password in \"pseudorootpw <password>\" line\n",
			    fname, lineno, 0 );
			return 1;
		}

		Debug( LDAP_DEBUG_ANY,
			"%s: line %d: \"pseudorootdn\", \"pseudorootpw\" are no longer supported; "
			"use \"idassert-bind\" and \"idassert-authzFrom\" instead.\n",
			fname, lineno, 0 );

		if ( BER_BVISNULL( &mi->mi_targets[ i ]->mt_idassert_authcDN ) ) {
			Debug( LDAP_DEBUG_ANY, "%s: line %d: \"pseudorootpw\": \"pseudorootdn\" must be defined first.\n",
				fname, lineno, 0 );
			return 1;
		}

		if ( !BER_BVISNULL( &mi->mi_targets[ i ]->mt_idassert_passwd ) ) {
			memset( mi->mi_targets[ i ]->mt_idassert_passwd.bv_val, 0,
				mi->mi_targets[ i ]->mt_idassert_passwd.bv_len );
			ber_memfree( mi->mi_targets[ i ]->mt_idassert_passwd.bv_val );
		}
		ber_str2bv( argv[ 1 ], 0, 1, &mi->mi_targets[ i ]->mt_idassert_passwd );

	/* idassert-bind */
	} else if ( strcasecmp( argv[ 0 ], "idassert-bind" ) == 0 ) {
		if ( mi->mi_ntargets == 0 ) {
			Debug( LDAP_DEBUG_ANY,
				"%s: line %d: \"idassert-bind\" "
				"must appear inside a target specification.\n",
				fname, lineno, 0 );
			return 1;
		}

		return slap_idassert_parse_cf( fname, lineno, argc, argv, &mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert );

	/* idassert-authzFrom */
	} else if ( strcasecmp( argv[ 0 ], "idassert-authzFrom" ) == 0 ) {
		if ( mi->mi_ntargets == 0 ) {
			Debug( LDAP_DEBUG_ANY,
				"%s: line %d: \"idassert-bind\" "
				"must appear inside a target specification.\n",
				fname, lineno, 0 );
			return 1;
		}

		switch ( argc ) {
		case 2:
			break;

		case 1:
			Debug( LDAP_DEBUG_ANY,
				"%s: line %d: missing <id> in \"idassert-authzFrom <id>\".\n",
				fname, lineno, 0 );
			return 1;

		default:
			Debug( LDAP_DEBUG_ANY,
				"%s: line %d: extra cruft after <id> in \"idassert-authzFrom <id>\".\n",
				fname, lineno, 0 );
			return 1;
		}

		return slap_idassert_authzfrom_parse_cf( fname, lineno, argv[ 1 ], &mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_idassert );

	/* quarantine */
	} else if ( strcasecmp( argv[ 0 ], "quarantine" ) == 0 ) {
		char			buf[ SLAP_TEXT_BUFLEN ] = { '\0' };
		slap_retry_info_t	*ri = mi->mi_ntargets ?
				&mi->mi_targets[ mi->mi_ntargets - 1 ]->mt_quarantine
				: &mi->mi_quarantine;

		if ( ( mi->mi_ntargets == 0 && META_BACK_QUARANTINE( mi ) )
			|| ( mi->mi_ntargets > 0 && META_BACK_TGT_QUARANTINE( mi->mi_targets[ mi->mi_ntargets - 1 ] ) ) )