/*
 * CDDL HEADER START
 *
 * The contents of this file are subject to the terms of the
 * Common Development and Distribution License, Version 1.0 only
 * (the "License").  You may not use this file except in compliance
 * with the License.
 *
 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
 * or http://www.opensolaris.org/os/licensing.
 * See the License for the specific language governing permissions
 * and limitations under the License.
 *
 * When distributing Covered Code, include this CDDL HEADER in each
 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
 * If applicable, add the following below this CDDL HEADER, with the
 * fields enclosed by brackets "[]" replaced with your own identifying
 * information: Portions Copyright [yyyy] [name of copyright owner]
 *
 * CDDL HEADER END
 */
/*
 * Copyright 2004 Sun Microsystems, Inc.  All rights reserved.
 * Use is subject to license terms.
 */

#ifndef _NIS_PARSE_LDAP_CONF_H
#define _NIS_PARSE_LDAP_CONF_H

#ifdef __cplusplus
extern "C" {
#endif

#include <lber.h>
#include <ldap.h>
#include <iso/limits_iso.h>
#include "ldap_parse.h"
#include "nisdb_ldap.h"

#define DEFAULT_MAPPING_FILE    "/var/nis/NIS+LDAPmapping"
#define YP_DEFAULT_MAPPING_FILE "/var/yp/NISLDAPmapping"
#define mmt_berstring_null      ((__nis_mapping_match_type_t)-1)
#define ESCAPE_CHAR             '\\'
#define EQUAL_CHAR              '='
#define COMMA_CHAR              ','
#define COMMA_STRING    ","
#define OPEN_PAREN_CHAR         '('
#define CLOSE_PAREN_CHAR        ')'
#define DOUBLE_QUOTE_CHAR       '"'
#define PERIOD_CHAR             '.'
#define COLON_CHAR              ':'
#define POUND_SIGN              '#'
#define SEMI_COLON_CHAR         ';'
#define QUESTION_MARK           '?'
#define PLUS_SIGN               '+'
#define PERCENT_SIGN            '%'
#define OPEN_BRACKET            '['
#define CLOSE_BRACKET           ']'
#define ASTERIX_CHAR            '*'
#define DASH_CHAR                               '-'
#define SINGLE_QUOTE_CHAR               '\''
#define DEFAULT_COMMENT_CHAR    '#'
#define DEFAULT_SEP_STRING              "       "
#define SPACE_CHAR                              ' '

#define FOREVER                         -1
#define FIFTEEN_SECONDS                 15
#define TWO_MINUTES                     120
#define THIRTY_MINUTES                  1800
#define THREE_MINUTES                   180
#define ONE_HOUR                        3600
#define MAX_LDAP_CONFIG_RETRY_TIME      60

#define NO_VALUE_SET                    -2

#define INITIAL_UPDATE_NO_ACTION        -3
#define NO_INITIAL_UPDATE_NO_ACTION     -4
#define FROM_NO_INITIAL_UPDATE          -5
#define TO_NO_INITIAL_UPDATE            -6

#define BUFSIZE                         8192

#ifndef UINT32_MAX
#define UINT32_MAX              (4294967295U)
#endif

#define IS_TERMINAL_CHAR(c)                     \
                ((c) == QUESTION_MARK   ||      \
                (c) == EQUAL_CHAR       ||      \
                (c) == COMMA_CHAR       ||      \
                (c) == CLOSE_PAREN_CHAR ||      \
                (c) == COLON_CHAR       ||      \
                (c) == SEMI_COLON_CHAR)

#define TIME_MAX LONG_MAX
#define WILL_OVERFLOW_TIME(t, d) ((t) > TIME_MAX/10 ||  \
        ((t) == TIME_MAX/10 && d > TIME_MAX % 10))

#define LIMIT_MAX       (65535)
#define WILL_OVERFLOW_LIMIT(t, d) ((t) > LIMIT_MAX/10 ||        \
        ((t) == LIMIT_MAX/10 && d > LIMIT_MAX % 10))

#define WILL_OVERFLOW_INT(t, d) ((t) > INT_MAX/10 ||    \
        ((t) == INT_MAX/10 && d > INT_MAX % 10))

/* initial configuration keywords */
/* for NIS+ */
#define CONFIG_DN               "nisplusLDAPconfigDN"
#define CONFIG_SERVER_LIST      "nisplusLDAPconfigPreferredServerList"
#define CONFIG_AUTH_METHOD      "nisplusLDAPconfigAuthenticationMethod"
#define CONFIG_TLS_OPTION       "nisplusLDAPconfigTLS"
#define CONFIG_TLS_CERT_DB      "nisplusLDAPconfigTLSCertificateDBPath"
#define CONFIG_PROXY_USER       "nisplusLDAPconfigProxyUser"
#define CONFIG_PROXY_PASSWD     "nisplusLDAPconfigProxyPassword"

#define IS_CONFIG_KEYWORD(x)    \
        ((x) >= key_config_dn && (x) <= key_config_proxy_passwd)

/* LDAP server keywords */
/* for NIS+ */
#define PREFERRED_SERVERS       "preferredServerList"
#define AUTH_METHOD             "authenticationMethod"
#define TLS_OPTION              "nisplusLDAPTLS"
#define TLS_CERT_DB             "nisplusLDAPTLSCertificateDBPath"
#define SEARCH_BASE             "defaultSearchBase"
#define PROXY_USER              "nisplusLDAPproxyUser"
#define PROXY_PASSWD            "nisplusLDAPproxyPassword"
#define LDAP_BASE_DOMAIN        "nisplusLDAPbaseDomain"
#define BIND_TIMEOUT            "nisplusLDAPbindTimeout"
#define SEARCH_TIMEOUT          "nisplusLDAPsearchTimeout"
#define MODIFY_TIMEOUT          "nisplusLDAPmodifyTimeout"
#define ADD_TIMEOUT             "nisplusLDAPaddTimeout"
#define DELETE_TIMEOUT          "nisplusLDAPdeleteTimeout"
#define SEARCH_TIME_LIMIT       "nisplusLDAPsearchTimeLimit"
#define SEARCH_SIZE_LIMIT       "nisplusLDAPsearchSizeLimit"
#define FOLLOW_REFERRAL         "nisplusLDAPfollowReferral"

#define IS_BIND_INFO(x) \
        ((x) >= key_preferred_servers && (x) <= key_follow_referral)

/* This information will be need to determine the server behavior */

/* for NIS+ */
#define INITIAL_UPDATE_ACTION   "nisplusLDAPinitialUpdateAction"
#define INITIAL_UPDATE_ONLY     "nisplusLDAPinitialUpdateOnly"
#define RETRIEVE_ERROR_ACTION   "nisplusLDAPretrieveErrorAction"
#define RETREIVE_ERROR_ATTEMPTS "nisplusLDAPretrieveErrorAttempts"
#define RETREIVE_ERROR_TIMEOUT  "nisplusLDAPretrieveErrorTimeout"
#define STORE_ERROR_ACTION      "nisplusLDAPstoreErrorAction"
#define STORE_ERROR_ATTEMPTS    "nisplusLDAPstoreErrorAttempts"
#define STORE_ERROR_TIMEOUT     "nisplusLDAPstoreErrorTimeout"
#define REFRESH_ERROR_ACTION    "nisplusLDAPrefreshErrorAction"
#define REFRESH_ERROR_ATTEMPTS  "nisplusLDAPrefreshErrorAttempts"
#define REFRESH_ERROR_TIMEOUT   "nisplusLDAPrefreshErrorTimeout"
#define THREAD_CREATE_ERROR_ACTION      \
                                "nisplusThreadCreationErrorAction"
#define THREAD_CREATE_ERROR_ATTEMPTS    \
                                "nisplusThreadCreationErrorAttempts"
#define THREAD_CREATE_ERROR_TIMEOUT     \
                                "nisplusThreadCreationErrorTimeout"
#define DUMP_ERROR_ACTION       "nisplusDumpErrorAction"
#define DUMP_ERROR_ATTEMPTS     "nisplusDumpErrorAttempts"
#define DUMP_ERROR_TIMEOUT      "nisplusDumpErrorTimeout"
#define RESYNC                  "nisplusResyncService"
#define UPDATE_BATCHING         "nisplusUpdateBatching"
#define UPDATE_BATCHING_TIMEOUT "nisplusUpdateBatchingTimeout"
#define MATCH_FETCH             "nisplusLDAPmatchFetchAction"
#define NUMBER_THEADS           "nisplusNumberOfServiceThreads"
#define YP_EMULATION            "ENABLE_NIS_YP_EMULATION"
#define MAX_RPC_RECSIZE         "nisplusMaxRPCRecordSize"

#define IS_OPER_INFO(x)         \
        ((x) >= key_initial_update_action && (x) <= key_max_rpc_recsize)

#define DB_ID_MAP               "nisplusLDAPdatabaseIdMapping"
#define ENTRY_TTL               "nisplusLDAPentryTtl"
#define LDAP_OBJECT_DN  "nisplusLDAPobjectDN"
#define LDAP_TO_NISPLUS_MAP     "nisplusLDAPcolumnFromAttribute"
#define NISPLUS_TO_LDAP_MAP     "nisplusLDAPattributeFromColumn"

/* The following definitions are for NIS */

#define YP_CONFIG_DN                    "nisLDAPconfigDN"
#define YP_CONFIG_SERVER_LIST   "nisLDAPconfigPreferredServerList"
#define YP_CONFIG_AUTH_METHOD   "nisLDAPconfigAuthenticationMethod"
#define YP_CONFIG_TLS_OPTION    "nisLDAPconfigTLS"
#define YP_CONFIG_TLS_CERT_DB   "nisLDAPconfigTLSCertificateDBPath"
#define YP_CONFIG_PROXY_USER    "nisLDAPconfigProxyUser"
#define YP_CONFIG_PROXY_PASSWD  "nisLDAPconfigProxyPassword"

#define IS_YP_CONFIG_KEYWORD(x) \
        ((x) >= key_yp_config_dn && (x) <= key_yp_config_proxy_passwd)

#define YP_TLS_OPTION           "nisLDAPTLS"
#define YP_TLS_CERT_DB          "nisLDAPTLSCertificateDBPath"
#define YP_PROXY_USER           "nisLDAPproxyUser"
#define YP_PROXY_PASSWD         "nisLDAPproxyPassword"
#define YP_LDAP_BASE_DOMAIN             "nisLDAPbaseDomain"
#define YP_BIND_TIMEOUT         "nisLDAPbindTimeout"
#define YP_SEARCH_TIMEOUT       "nisLDAPsearchTimeout"
#define YP_MODIFY_TIMEOUT       "nisLDAPmodifyTimeout"
#define YP_ADD_TIMEOUT          "nisLDAPaddTimeout"
#define YP_DELETE_TIMEOUT       "nisLDAPdeleteTimeout"
#define YP_SEARCH_TIME_LIMIT    "nisLDAPsearchTimeLimit"
#define YP_SEARCH_SIZE_LIMIT    "nisLDAPsearchSizeLimit"
#define YP_FOLLOW_REFERRAL              "nisLDAPfollowReferral"

#define IS_YP_BIND_INFO(x)  \
        ((x) == key_preferred_servers || \
        (x) == key_auth_method || \
        (x) == key_search_base || \
        ((x) >= key_yp_tls_option && (x) <= key_yp_follow_referral))

#define YP_RETRIEVE_ERROR_ACTION        "nisLDAPretrieveErrorAction"
#define YP_RETREIVE_ERROR_ATTEMPTS      "nisLDAPretrieveErrorAttempts"
#define YP_RETREIVE_ERROR_TIMEOUT       "nisLDAPretrieveErrorTimeout"
#define YP_STORE_ERROR_ACTION           "nisLDAPstoreErrorAction"
#define YP_STORE_ERROR_ATTEMPTS         "nisLDAPstoreErrorAttempts"
#define YP_STORE_ERROR_TIMEOUT          "nisLDAPstoreErrorTimeout"
#define YP_MATCH_FETCH                  "nisLDAPmatchFetchAction"

#define IS_YP_OPER_INFO(x)  \
        ((x) >= key_yp_retrieve_error_action && (x) <= key_yp_match_fetch)

#define YP_DOMAIN_CONTEXT       "nisLDAPdomainContext"
#define YPPASSWDD_DOMAINS       "nisLDAPyppasswddDomains"

#define IS_YP_DOMAIN_INFO(x)    \
        ((x) >= key_yp_domain_context && (x) <= key_yppasswdd_domains)

#define YP_DB_ID_MAP            "nisLDAPdatabaseIdMapping"
#define YP_COMMENT_CHAR         "nisLDAPcommentChar"
#define YP_MAP_FLAGS            "nisLDAPmapFlags"
#define YP_ENTRY_TTL            "nisLDAPentryTtl"
#define YP_NAME_FIELDS          "nisLDAPnameFields"
#define YP_SPLIT_FIELD          "nisLDAPsplitField"
#define YP_REPEATED_FIELD_SEPARATORS    "nisLDAPrepeatedFieldSeparators"
#define YP_LDAP_OBJECT_DN       "nisLDAPobjectDN"
#define LDAP_TO_NIS_MAP         "nisLDAPfieldFromAttribute"
#define NIS_TO_LDAP_MAP         "nisLDAPattributeFromField"

#define IS_YP_MAP_ATTR(x)       \
        ((x) == key_yp_domain_context || \
        (x) == key_yppasswdd_domains || \
        ((x) >= key_yp_db_id_map && (x) <= key_nis_to_ldap_map))

#define DEFAULT_YP_SEARCH_TIMEOUT       THREE_MINUTES
#define DEFAULT_BIND_TIMEOUT            FIFTEEN_SECONDS
#define DEFAULT_SEARCH_TIMEOUT          FIFTEEN_SECONDS
#define DEFAULT_MODIFY_TIMEOUT          FIFTEEN_SECONDS
#define DEFAULT_ADD_TIMEOUT             FIFTEEN_SECONDS
#define DEFAULT_DELETE_TIMEOUT          FIFTEEN_SECONDS

#define DEFAULT_SEARCH_TIME_LIMIT       LDAP_NO_LIMIT
#define DEFAULT_SEARCH_SIZE_LIMIT       LDAP_NO_LIMIT

#define DEFAULT_THREAD_ERROR_ATTEMPTS   FOREVER
#define DEFAULT_THREAD_ERROR_TIME_OUT   FIFTEEN_SECONDS
#define DEFAULT_DUMP_ERROR_ATTEMPTS     FOREVER
#define DEFAULT_DUMP_ERROR_TIME_OUT     FIFTEEN_SECONDS
#define DEFAULT_RETRIEVE_ERROR_ATTEMPTS FOREVER
#define DEFAULT_RETRIEVE_ERROR_TIME_OUT FIFTEEN_SECONDS
#define DEFAULT_STORE_ERROR_ATTEMPTS    FOREVER
#define DEFAULT_STORE_ERROR_TIME_OUT    FIFTEEN_SECONDS
#define DEFAULT_REFRESH_ERROR_ATTEMPTS  FOREVER
#define DEFAULT_REFRESH_ERROR_TIME_OUT  FIFTEEN_SECONDS

#define DEFAULT_BATCHING_TIME_OUT       TWO_MINUTES
#define DEFAULT_NUMBER_OF_THREADS       0
#define DEFAULT_YP_EMULATION            0

#define DEFAULT_TTL_HIGH                (ONE_HOUR + THIRTY_MINUTES)
#define DEFAULT_TTL_LOW                 (ONE_HOUR - THIRTY_MINUTES)
#define DEFAULT_TTL                     ONE_HOUR

typedef enum {
        no_parse_error,
        parse_no_mem_error,
        parse_bad_key,
        parse_bad_continuation_error,
        parse_line_too_long,
        parse_internal_error,
        parse_initial_update_action_error,
        parse_initial_update_only_error,
        parse_retrieve_error_action_error,
        parse_store_error_action_error,
        parse_refresh_error_action_error,
        parse_thread_create_error_action_error,
        parse_dump_error_action_error,
        parse_resync_error,
        parse_update_batching_error,
        parse_match_fetch_error,
        parse_no_object_dn,
        parse_invalid_scope,
        parse_invalid_ldap_search_filter,
        parse_semi_expected_error,
        parse_mismatched_brackets,
        parse_unsupported_format,
        parse_unexpected_dash,
        parse_unmatched_escape,
        parse_bad_lhs_format_error,
        parse_comma_expected_error,
        parse_equal_expected_error,
        parse_close_paren_expected_error,
        parse_too_many_extract_items,
        parse_not_enough_extract_items,
        parse_bad_print_format,
        parse_bad_elide_char,
        parse_start_rhs_unrecognized,
        parse_item_expected_error,
        parse_format_string_expected_error,
        parse_unexpected_data_end_rule,
        parse_bad_ttl_format_error,
        parse_bad_auth_method_error,
        parse_open_file_error,
        parse_no_proxy_dn_error,
        parse_no_config_auth_error,
        parse_no_proxy_auth_error,
        parse_ldap_init_error,
        parse_ldap_bind_error,
        parse_ldap_search_error,
        parse_ldap_get_values_error,
        parse_object_dn_syntax_error,
        parse_invalid_dn,
        parse_bad_index_format,
        parse_bad_item_format,
        parse_bad_ldap_item_format,
        parse_invalid_print_arg,
        parse_bad_extract_format_spec,
        parse_no_db_del_mapping_rule,
        parse_invalid_db_del_mapping_rule,
        parse_bad_domain_name,
        parse_bad_dn,
        parse_yes_or_no_expected_error,
        parse_bad_uint_error,
        parse_bad_int_error,
        parse_bad_command_line_attribute_format,
        parse_no_ldap_server_error,
        parse_bad_ber_format,
        parse_no_config_server_addr,
        parse_bad_time_error,
        parse_lhs_rhs_type_mismatch,
        parse_no_match_item,
        parse_cannot_elide,
        parse_bad_tls_option_error,
        parse_ldapssl_client_init_error,
        parse_ldapssl_init_error,
        parse_no_available_referrals_error,
        parse_no_config_cert_db,
        parse_no_cert_db,
        parse_unknown_yp_domain_error,
        parse_unexpected_yp_domain_end_error,
        parse_bad_map_error,
        parse_bad_yp_comment_error,
        parse_bad_field_separator_error,
        parse_bad_name_field,
        parse_yp_retrieve_error_action_error,
        parse_yp_store_error_action_error
} parse_error;

typedef enum {
        no_conn_error,
        conn_no_mem_error,
        conn_ldap_init_error,
        conn_unsupported_ldap_bind_method,
        conn_ldap_bind_error
} conn_error;

typedef enum {
        key_bad = -1,
        no_more_keys = 0,
        key_config_dn = 1,
        key_config_server_list,
        key_config_auth_method,
        key_config_tls_option,
        key_config_tls_certificate_db,
        key_config_proxy_user,
        key_config_proxy_passwd,
        key_preferred_servers,
        key_auth_method,
        key_tls_option,
        key_tls_certificate_db,
        key_search_base,
        key_proxy_user,
        key_proxy_passwd,
        key_ldap_base_domain,
        key_bind_timeout,
        key_search_timeout,
        key_modify_timeout,
        key_add_timeout,
        key_delete_timeout,
        key_search_time_limit,
        key_search_size_limit,
        key_follow_referral,
        key_initial_update_action,
        key_initial_update_only,
        key_retrieve_error_action,
        key_retrieve_error_attempts,
        key_retreive_error_timeout,
        key_store_error_action,
        key_store_error_attempts,
        key_store_error_timeout,
        key_refresh_error_action,
        key_refresh_error_attempts,
        key_refresh_error_timeout,
        key_thread_create_error_action,
        key_thread_create_error_attempts,
        key_thread_create_error_timeout,
        key_dump_error_action,
        key_dump_error_attempts,
        key_dump_error_timeout,
        key_resync,
        key_update_batching,
        key_update_batching_timeout,
        key_match_fetch,
        key_number_threads,
        key_yp_emulation,
        key_max_rpc_recsize,
        key_db_id_map,
        key_entry_ttl,
        key_ldap_object_dn,
        key_ldap_to_nisplus_map,
        key_nisplus_to_ldap_map,
        key_yp_config_dn,
        key_yp_config_server_list,
        key_yp_config_auth_method,
        key_yp_config_tls_option,
        key_yp_config_tls_certificate_db,
        key_yp_config_proxy_user,
        key_yp_config_proxy_passwd,
        key_yp_preferred_servers,
        key_yp_auth_method,
        key_yp_tls_option,
        key_yp_tls_certificate_db,
        key_yp_search_base,
        key_yp_proxy_user,
        key_yp_proxy_passwd,
        key_yp_ldap_base_domain,
        key_yp_bind_timeout,
        key_yp_search_timeout,
        key_yp_modify_timeout,
        key_yp_add_timeout,
        key_yp_delete_timeout,
        key_yp_search_time_limit,
        key_yp_search_size_limit,
        key_yp_follow_referral,
        key_yp_retrieve_error_action,
        key_yp_retrieve_error_attempts,
        key_yp_retreive_error_timeout,
        key_yp_store_error_action,
        key_yp_store_error_attempts,
        key_yp_store_error_timeout,
        key_yp_match_fetch,
        key_yp_domain_context,
        key_yppasswdd_domains,
        key_yp_db_id_map,
        key_yp_comment_char,
        key_yp_map_flags,
        key_yp_entry_ttl,
        key_yp_name_fields,
        key_yp_split_field,
        key_yp_repeated_field_separators,
        key_yp_ldap_object_dn,
        key_ldap_to_nis_map,
        key_nis_to_ldap_map,
        n_config_keys
} config_key;

typedef enum {
        string_token,
        quoted_string_token,
        equal_token,
        comma_token,
        open_paren_token,
        close_paren_token,
        colon_token,
        no_token
} token_type;

typedef enum {
        dn_no_token,
        dn_semi_token,
        dn_ques_token,
        dn_colon_token,
        dn_base_token,
        dn_one_token,
        dn_sub_token,
        dn_text_token
} object_dn_token;

typedef enum {
        dn_begin_parse,
        dn_got_read_dn,
        dn_got_read_q_scope,
        dn_got_read_scope,
        dn_got_read_q_filter,
        dn_got_read_filter,
        dn_got_write_colon,
        dn_got_write_dn,
        dn_got_write_q_scope,
        dn_got_write_scope,
        dn_got_write_q_filter,
        dn_got_write_filter,
        dn_got_delete_colon,
        dn_got_delete_dsp
} parse_object_dn_state;

typedef enum {
        none = 1,
        simple,
        cram_md5,
        digest_md5
} auth_method_t;

typedef enum {
        no_tls = 1,
        ssl_tls
} tls_method_t;

typedef struct {
        char            *config_dn;
        char            *default_servers;
        auth_method_t   auth_method;
        tls_method_t    tls_method;
        char            *proxy_dn;
        char            *proxy_passwd;
        char            *tls_cert_db;
} __nis_config_info_t;

typedef enum {
        follow = 1,
        no_follow
} follow_referral_t;

typedef struct {
        char                    *default_servers;
        auth_method_t           auth_method;
        tls_method_t            tls_method;
        char                    *default_search_base;
        char                    *proxy_dn;
        char                    *proxy_passwd;
        char                    *tls_cert_db;
        char                    *default_nis_domain;
        struct timeval          bind_timeout;
        struct timeval          search_timeout;
        struct timeval          modify_timeout;
        struct timeval          add_timeout;
        struct timeval          delete_timeout;
        int                     search_time_limit;
        int                     search_size_limit;
        follow_referral_t       follow_referral;
} __nis_ldap_proxy_info;

extern __nisdb_table_mapping_t  ldapDBTableMapping;
extern __nis_ldap_proxy_info    proxyInfo;
extern __nis_table_mapping_t    *ldapTableMapping;

extern int parse_ldap_migration(const char *const *cmdline_options,
        const char *config_file);

extern void get_ldap_connection(LDAP **ld, time_t retry_time);
extern void free_ldap_connection(LDAP *ld);
extern void return_ldap_connection(LDAP *ld);
extern void free_ldap_connections();


extern void initialize_parse_structs(__nis_ldap_proxy_info *proxy_info,
    __nis_config_t *config_info, __nisdb_table_mapping_t *table_info);
extern void initialize_yp_parse_structs(__yp_domain_context_t *ypDomains);

/* Deallocation functions */
extern void free_parse_structs(void);
extern void free_yp_domain_context(__yp_domain_context_t *domains);
extern void free_config_info(__nis_config_info_t *config_info);
extern void free_mapping_rule(__nis_mapping_rule_t *rule);
extern void free_object_dn(__nis_object_dn_t *obj_dn);
extern void free_mapping_format(__nis_mapping_format_t *fmt);
extern void free_index(__nis_index_t *index);
extern void free_mapping_item(__nis_mapping_item_t *item);
extern void free_mapping_element(__nis_mapping_element_t *e);
extern void free_mapping_sub_element(__nis_mapping_sub_element_t *sub);
extern void free_proxy_info(__nis_ldap_proxy_info *proxy_info);
extern void free_table_mapping(__nis_table_mapping_t *mapping);

/* Parser functions */
extern int read_line(int fd, char *buffer, int buflen);
extern __nis_table_mapping_t *find_table_mapping(const char *s, int len,
    __nis_table_mapping_t *table_mapping);
extern int second_parser_pass(__nis_table_mapping_t **table_mapping);
extern int final_parser_pass(__nis_table_mapping_t **table_mapping,
        __yp_domain_context_t   *ypDomains);
extern int finish_parse(__nis_ldap_proxy_info *proxy_info,
    __nis_table_mapping_t **table_mapping);
extern void set_default_values(__nis_ldap_proxy_info *proxy_info,
    __nis_config_t *config_info, __nisdb_table_mapping_t *table_info);

extern int add_config_attribute(config_key attrib_num, const char *attrib_val,
    int attrib_len, __nis_config_info_t *config_info);
extern int add_bind_attribute(config_key attrib_num, const char *attrib_val,
    int attrib_len, __nis_ldap_proxy_info *proxy_info);
extern int add_operation_attribute(config_key attrib_num,
    const char *attrib_val, int attrib_len, __nis_config_t *config_info,
    __nisdb_table_mapping_t *table_info);
extern int add_mapping_attribute(config_key attrib_num, const char *attrib_val,
    int attrib_len, __nis_table_mapping_t **table_mapping);
extern int add_ypdomains_attribute(config_key attrib_num,
        const char *attrib_val, int attrib_len,
        __yp_domain_context_t *ypDomains);
extern config_key get_attrib_num(const char *s, int n);
bool_t is_cmd_line_option(config_key a_num);

extern const char *
skip_get_dn(const char *dn, const char *end);
extern const char *get_search_triple(const char *s, const char *end_s,
    __nis_search_triple_t *triple);
extern bool_t parse_index(const char *s, const char *end_s,
    __nis_index_t *index);
extern bool_t add_element(__nis_mapping_element_t *e,
    __nis_mapping_rlhs_t *m);
extern const char *skip_token(const char *s, const char *end_s,
    token_type t);
extern const char *get_next_extract_format_item(const char *begin_fmt,
    const char *end_fmt, __nis_mapping_format_t *fmt);
extern const char *get_next_print_format_item(const char *begin_fmt,
    const char *end_fmt, __nis_mapping_format_t *fmt);
extern const char *get_next_token(const char **begin_token,
    const char **end_token, token_type *t);
extern const char *get_next_object_dn_token(const char **begin_ret,
    const char **end_ret, object_dn_token *token);
extern const char *get_ldap_filter(const char **begin, const char **end);
const char *get_ava_list(const char **begin, const char **end,
        bool_t end_nisplus);

extern  void  init_yptol_flag();
/* Utility functions */
extern char *s_strndup_esc(const char *s, int n);
extern char *s_strndup(const char *s, int n);
extern char *s_strdup(const char *s);
extern void *s_calloc(size_t n, size_t size);
extern void *s_realloc(void *s, size_t size);
extern bool_t is_whitespace(int c);
extern bool_t contains_string(const char *s1, const char *s2);
extern const char *skip_string(const char *s1, const char *s2, int len);
extern bool_t same_string(const char *s1, const char *s2, int len);

/* Error and information reporting functions */
extern void report_error(const char *str, const char *attr);
extern void report_error2(const char *str1, const char *str2);
extern void report_info(const char *str, const char *arg);
extern void report_conn_error(conn_error e, const char *str1, const char *str2);
extern void warn_duplicate_map(const char *db_id, config_key attrib_num);

/* Validation functions */
extern bool_t validate_dn(const char *s, int len);
extern bool_t validate_ldap_filter(const char *s, const char *end);

extern int                      start_line_num;
extern int                      cur_line_num;
extern int                      seq_num;
extern parse_error              p_error;
extern char                     _key_val[38];
extern const char               *command_line_source;
extern const char               *file_source;
extern const char               *ldap_source;
extern const char               *warn_file;

/* SSL and sasl-digest md5 functions */
int ldapssl_client_init(const char *certdbpath, void *certdbhandle);
const char *ldapssl_err2string(const int prerrno);
LDAP *ldapssl_init(const char *defhost, int defport, int defsecure);
int ldap_x_sasl_digest_md5_bind_s(LDAP *ld, char *user_name,
        struct berval *cred,
        LDAPControl **serverctrls, LDAPControl **clientctrls);

#ifdef __cplusplus
}
#endif

#endif  /* _NIS_PARSE_LDAP_CONF_H */