diff options
Diffstat (limited to 'ldap/inckit/ldap.h')
| -rwxr-xr-x | ldap/inckit/ldap.h | 592 |
1 files changed, 592 insertions, 0 deletions
diff --git a/ldap/inckit/ldap.h b/ldap/inckit/ldap.h new file mode 100755 index 00000000..de3e217c --- /dev/null +++ b/ldap/inckit/ldap.h @@ -0,0 +1,592 @@ +/*
+ * Copyright (c) 1990 Regents of the University of Michigan.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms are permitted
+ * provided that this notice is preserved and that due credit is given
+ * to the University of Michigan at Ann Arbor. The name of the University
+ * may not be used to endorse or promote products derived from this
+ * software without specific prior written permission. This software
+ * is provided ``as is'' without express or implied warranty.
+ */
+
+#ifndef _LDAP_H
+#define _LDAP_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+
+#ifdef WINSOCK
+#include "msdos.h"
+#include <winsock.h>
+#endif
+
+#if !defined( NEEDPROTOS ) && defined(__STDC__)
+#define NEEDPROTOS 1
+#endif
+
+#define LDAP_PORT 389
+#define LDAP_VERSION1 1
+#define LDAP_VERSION2 2
+#define LDAP_VERSION LDAP_VERSION2
+
+#define COMPAT20
+#define COMPAT30
+#if defined(COMPAT20) || defined(COMPAT30)
+#define COMPAT
+#endif
+
+#define LDAP_MAX_ATTR_LEN 100
+
+/* debugging stuff */
+#ifdef LDAP_DEBUG
+extern int ldap_debug;
+#ifdef LDAP_SYSLOG
+extern int ldap_syslog;
+extern int ldap_syslog_level;
+#endif
+#define LDAP_DEBUG_TRACE 0x001
+#define LDAP_DEBUG_PACKETS 0x002
+#define LDAP_DEBUG_ARGS 0x004
+#define LDAP_DEBUG_CONNS 0x008
+#define LDAP_DEBUG_BER 0x010
+#define LDAP_DEBUG_FILTER 0x020
+#define LDAP_DEBUG_CONFIG 0x040
+#define LDAP_DEBUG_ACL 0x080
+#define LDAP_DEBUG_STATS 0x100
+#define LDAP_DEBUG_STATS2 0x200
+#define LDAP_DEBUG_SHELL 0x400
+#define LDAP_DEBUG_PARSE 0x800
+#define LDAP_DEBUG_ANY 0xffff
+
+#ifdef LDAP_SYSLOG
+#define Debug( level, fmt, arg1, arg2, arg3 ) \
+ { \
+ if ( ldap_debug & level ) \
+ fprintf( stderr, fmt, arg1, arg2, arg3 ); \
+ if ( ldap_syslog & level ) \
+ syslog( ldap_syslog_level, fmt, arg1, arg2, arg3 ); \
+ }
+#else /* LDAP_SYSLOG */
+#ifndef WINSOCK
+#define Debug( level, fmt, arg1, arg2, arg3 ) \
+ if ( ldap_debug & level ) \
+ fprintf( stderr, fmt, arg1, arg2, arg3 );
+#else /* !WINSOCK */
+extern void Debug( int level, char* fmt, ... );
+#endif /* !WINSOCK */
+#endif /* LDAP_SYSLOG */
+#else /* LDAP_DEBUG */
+#define Debug( level, fmt, arg1, arg2, arg3 )
+#endif /* LDAP_DEBUG */
+
+/*
+ * specific LDAP instantiations of BER types we know about
+ */
+
+/* general stuff */
+#define LDAP_TAG_MESSAGE 0x30L /* tag is 16 + constructed bit */
+#define OLD_LDAP_TAG_MESSAGE 0x10L /* forgot the constructed bit */
+#define LDAP_TAG_MSGID 0x02L
+
+/* possible operations a client can invoke */
+#define LDAP_REQ_BIND 0x60L /* application + constructed */
+#define LDAP_REQ_UNBIND 0x42L /* application + primitive */
+#define LDAP_REQ_SEARCH 0x63L /* application + constructed */
+#define LDAP_REQ_MODIFY 0x66L /* application + constructed */
+#define LDAP_REQ_ADD 0x68L /* application + constructed */
+#define LDAP_REQ_DELETE 0x4aL /* application + primitive */
+#define LDAP_REQ_MODRDN 0x6cL /* application + constructed */
+#define LDAP_REQ_COMPARE 0x6eL /* application + constructed */
+#define LDAP_REQ_ABANDON 0x50L /* application + primitive */
+
+/* version 3.0 compatibility stuff */
+#define LDAP_REQ_UNBIND_30 0x62L
+#define LDAP_REQ_DELETE_30 0x6aL
+#define LDAP_REQ_ABANDON_30 0x70L
+
+/*
+ * old broken stuff for backwards compatibility - forgot application tag
+ * and constructed/primitive bit
+ */
+#define OLD_LDAP_REQ_BIND 0x00L
+#define OLD_LDAP_REQ_UNBIND 0x02L
+#define OLD_LDAP_REQ_SEARCH 0x03L
+#define OLD_LDAP_REQ_MODIFY 0x06L
+#define OLD_LDAP_REQ_ADD 0x08L
+#define OLD_LDAP_REQ_DELETE 0x0aL
+#define OLD_LDAP_REQ_MODRDN 0x0cL
+#define OLD_LDAP_REQ_COMPARE 0x0eL
+#define OLD_LDAP_REQ_ABANDON 0x10L
+
+/* possible result types a server can return */
+#define LDAP_RES_BIND 0x61L /* application + constructed */
+#define LDAP_RES_SEARCH_ENTRY 0x64L /* application + constructed */
+#define LDAP_RES_SEARCH_RESULT 0x65L /* application + constructed */
+#define LDAP_RES_MODIFY 0x67L /* application + constructed */
+#define LDAP_RES_ADD 0x69L /* application + constructed */
+#define LDAP_RES_DELETE 0x6bL /* application + constructed */
+#define LDAP_RES_MODRDN 0x6dL /* application + constructed */
+#define LDAP_RES_COMPARE 0x6fL /* application + constructed */
+#define LDAP_RES_ANY (-1L)
+
+/* old broken stuff for backwards compatibility */
+#define OLD_LDAP_RES_BIND 0x01L
+#define OLD_LDAP_RES_SEARCH_ENTRY 0x04L
+#define OLD_LDAP_RES_SEARCH_RESULT 0x05L
+#define OLD_LDAP_RES_MODIFY 0x07L
+#define OLD_LDAP_RES_ADD 0x09L
+#define OLD_LDAP_RES_DELETE 0x0bL
+#define OLD_LDAP_RES_MODRDN 0x0dL
+#define OLD_LDAP_RES_COMPARE 0x0fL
+
+/* authentication methods available */
+#define LDAP_AUTH_NONE 0x00L /* no authentication */
+#define LDAP_AUTH_SIMPLE 0x80L /* context specific + primitive */
+#define LDAP_AUTH_KRBV4 0xffL /* means do both of the following */
+#define LDAP_AUTH_KRBV41 0x81L /* context specific + primitive */
+#define LDAP_AUTH_KRBV42 0x82L /* context specific + primitive */
+
+/* 3.0 compatibility auth methods */
+#define LDAP_AUTH_SIMPLE_30 0xa0L /* context specific + constructed */
+#define LDAP_AUTH_KRBV41_30 0xa1L /* context specific + constructed */
+#define LDAP_AUTH_KRBV42_30 0xa2L /* context specific + constructed */
+
+/* old broken stuff */
+#define OLD_LDAP_AUTH_SIMPLE 0x00L
+#define OLD_LDAP_AUTH_KRBV4 0x01L
+#define OLD_LDAP_AUTH_KRBV42 0x02L
+
+/* filter types */
+#define LDAP_FILTER_AND 0xa0L /* context specific + constructed */
+#define LDAP_FILTER_OR 0xa1L /* context specific + constructed */
+#define LDAP_FILTER_NOT 0xa2L /* context specific + constructed */
+#define LDAP_FILTER_EQUALITY 0xa3L /* context specific + constructed */
+#define LDAP_FILTER_SUBSTRINGS 0xa4L /* context specific + constructed */
+#define LDAP_FILTER_GE 0xa5L /* context specific + constructed */
+#define LDAP_FILTER_LE 0xa6L /* context specific + constructed */
+#define LDAP_FILTER_PRESENT 0x87L /* context specific + primitive */
+#define LDAP_FILTER_APPROX 0xa8L /* context specific + constructed */
+
+/* 3.0 compatibility filter types */
+#define LDAP_FILTER_PRESENT_30 0xa7L /* context specific + constructed */
+
+/* old broken stuff */
+#define OLD_LDAP_FILTER_AND 0x00L
+#define OLD_LDAP_FILTER_OR 0x01L
+#define OLD_LDAP_FILTER_NOT 0x02L
+#define OLD_LDAP_FILTER_EQUALITY 0x03L
+#define OLD_LDAP_FILTER_SUBSTRINGS 0x04L
+#define OLD_LDAP_FILTER_GE 0x05L
+#define OLD_LDAP_FILTER_LE 0x06L
+#define OLD_LDAP_FILTER_PRESENT 0x07L
+#define OLD_LDAP_FILTER_APPROX 0x08L
+
+/* substring filter component types */
+#define LDAP_SUBSTRING_INITIAL 0x80L /* context specific */
+#define LDAP_SUBSTRING_ANY 0x81L /* context specific */
+#define LDAP_SUBSTRING_FINAL 0x82L /* context specific */
+
+/* 3.0 compatibility substring filter component types */
+#define LDAP_SUBSTRING_INITIAL_30 0xa0L /* context specific */
+#define LDAP_SUBSTRING_ANY_30 0xa1L /* context specific */
+#define LDAP_SUBSTRING_FINAL_30 0xa2L /* context specific */
+
+/* old broken stuff */
+#define OLD_LDAP_SUBSTRING_INITIAL 0x00L
+#define OLD_LDAP_SUBSTRING_ANY 0x01L
+#define OLD_LDAP_SUBSTRING_FINAL 0x02L
+
+/* search scopes */
+#define LDAP_SCOPE_BASE 0x00
+#define LDAP_SCOPE_ONELEVEL 0x01
+#define LDAP_SCOPE_SUBTREE 0x02
+
+/* for modifications */
+typedef struct ldapmod {
+ int mod_op;
+#define LDAP_MOD_ADD 0x00
+#define LDAP_MOD_DELETE 0x01
+#define LDAP_MOD_REPLACE 0x02
+#define LDAP_MOD_BVALUES 0x80
+ char *mod_type;
+ union {
+ char **modv_strvals;
+ struct berval **modv_bvals;
+ } mod_vals;
+#define mod_values mod_vals.modv_strvals
+#define mod_bvalues mod_vals.modv_bvals
+ struct ldapmod *mod_next;
+} LDAPMod;
+
+/*
+ * possible error codes we can return
+ */
+
+#define LDAP_SUCCESS 0x00
+#define LDAP_OPERATIONS_ERROR 0x01
+#define LDAP_PROTOCOL_ERROR 0x02
+#define LDAP_TIMELIMIT_EXCEEDED 0x03
+#define LDAP_SIZELIMIT_EXCEEDED 0x04
+#define LDAP_COMPARE_FALSE 0x05
+#define LDAP_COMPARE_TRUE 0x06
+#define LDAP_STRONG_AUTH_NOT_SUPPORTED 0x07
+#define LDAP_STRONG_AUTH_REQUIRED 0x08
+#define LDAP_PARTIAL_RESULTS 0x09
+
+#define LDAP_NO_SUCH_ATTRIBUTE 0x10
+#define LDAP_UNDEFINED_TYPE 0x11
+#define LDAP_INAPPROPRIATE_MATCHING 0x12
+#define LDAP_CONSTRAINT_VIOLATION 0x13
+#define LDAP_TYPE_OR_VALUE_EXISTS 0x14
+#define LDAP_INVALID_SYNTAX 0x15
+
+#define LDAP_NO_SUCH_OBJECT 0x20
+#define LDAP_ALIAS_PROBLEM 0x21
+#define LDAP_INVALID_DN_SYNTAX 0x22
+#define LDAP_IS_LEAF 0x23
+#define LDAP_ALIAS_DEREF_PROBLEM 0x24
+
+#define NAME_ERROR(n) ((n & 0xf0) == 0x20)
+
+#define LDAP_INAPPROPRIATE_AUTH 0x30
+#define LDAP_INVALID_CREDENTIALS 0x31
+#define LDAP_INSUFFICIENT_ACCESS 0x32
+#define LDAP_BUSY 0x33
+#define LDAP_UNAVAILABLE 0x34
+#define LDAP_UNWILLING_TO_PERFORM 0x35
+#define LDAP_LOOP_DETECT 0x36
+
+#define LDAP_NAMING_VIOLATION 0x40
+#define LDAP_OBJECT_CLASS_VIOLATION 0x41
+#define LDAP_NOT_ALLOWED_ON_NONLEAF 0x42
+#define LDAP_NOT_ALLOWED_ON_RDN 0x43
+#define LDAP_ALREADY_EXISTS 0x44
+#define LDAP_NO_OBJECT_CLASS_MODS 0x45
+#define LDAP_RESULTS_TOO_LARGE 0x46
+
+#define LDAP_OTHER 0x50
+#define LDAP_SERVER_DOWN 0x51
+#define LDAP_LOCAL_ERROR 0x52
+#define LDAP_ENCODING_ERROR 0x53
+#define LDAP_DECODING_ERROR 0x54
+#define LDAP_TIMEOUT 0x55
+#define LDAP_AUTH_UNKNOWN 0x56
+#define LDAP_FILTER_ERROR 0x57
+#define LDAP_USER_CANCELLED 0x58
+#define LDAP_PARAM_ERROR 0x59
+#define LDAP_NO_MEMORY 0x5a
+
+
+/* default limit on nesting of referrals */
+#define LDAP_DEFAULT_REFHOPLIMIT 5
+
+/*
+ * This structure represents both ldap messages and ldap responses.
+ * These are really the same, except in the case of search responses,
+ * where a response has multiple messages.
+ */
+
+typedef struct ldapmsg {
+ int lm_msgid; /* the message id */
+ int lm_msgtype; /* the message type */
+ BerElement *lm_ber; /* the ber encoded message contents */
+ struct ldapmsg *lm_chain; /* for search - next msg in the resp */
+ struct ldapmsg *lm_next; /* next response */
+ unsigned long lm_time; /* used to maintain cache */
+} LDAPMessage;
+#define NULLMSG ((LDAPMessage *) NULL)
+
+
+#ifdef LDAP_REFERRALS
+/*
+ * structure for tracking LDAP server host, ports, DNs, etc.
+ */
+typedef struct ldap_server {
+ char *lsrv_host;
+ char *lsrv_dn; /* if NULL, use default */
+ int lsrv_port;
+ struct ldap_server *lsrv_next;
+} LDAPServer;
+
+
+/*
+ * structure for representing an LDAP server connection
+ */
+typedef struct ldap_conn {
+ Sockbuf *lconn_sb;
+ int lconn_refcnt;
+ unsigned long lconn_lastused; /* time */
+ int lconn_status;
+#define LDAP_CONNST_NEEDSOCKET 1
+#define LDAP_CONNST_CONNECTING 2
+#define LDAP_CONNST_CONNECTED 3
+ LDAPServer *lconn_server;
+ char *lconn_krbinstance;
+ struct ldap_conn *lconn_next;
+} LDAPConn;
+
+
+/*
+ * structure used to track outstanding requests
+ */
+typedef struct ldapreq {
+ int lr_msgid; /* the message id */
+ int lr_status; /* status of request */
+#define LDAP_REQST_INPROGRESS 1
+#define LDAP_REQST_CHASINGREFS 2
+#define LDAP_REQST_NOTCONNECTED 3
+#define LDAP_REQST_WRITING 4
+ int lr_outrefcnt; /* count of outstanding referrals */
+ int lr_origid; /* original request's message id */
+ int lr_parentcnt; /* count of parent requests */
+ int lr_res_msgtype; /* result message type */
+ int lr_res_errno; /* result LDAP errno */
+ char *lr_res_error; /* result error string */
+ char *lr_res_matched;/* result matched DN string */
+ BerElement *lr_ber; /* ber encoded request contents */
+ LDAPConn *lr_conn; /* connection used to send request */
+ struct ldapreq *lr_parent; /* request that spawned this referral */
+ struct ldapreq *lr_refnext; /* next referral spawned */
+ struct ldapreq *lr_prev; /* previous request */
+ struct ldapreq *lr_next; /* next request */
+} LDAPRequest;
+#endif /* LDAP_REFERRALS */
+
+
+/*
+ * structure for client cache
+ */
+#define LDAP_CACHE_BUCKETS 31 /* cache hash table size */
+typedef struct ldapcache {
+ LDAPMessage *lc_buckets[LDAP_CACHE_BUCKETS];/* hash table */
+ LDAPMessage *lc_requests; /* unfulfilled reqs */
+ long lc_timeout; /* request timeout */
+ long lc_maxmem; /* memory to use */
+ long lc_memused; /* memory in use */
+ int lc_enabled; /* enabled? */
+ unsigned long lc_options; /* options */
+#define LDAP_CACHE_OPT_CACHENOERRS 0x00000001
+#define LDAP_CACHE_OPT_CACHEALLERRS 0x00000002
+} LDAPCache;
+#define NULLLDCACHE ((LDAPCache *)NULL)
+
+/*
+ * structures for ldap getfilter routines
+ */
+
+typedef struct ldap_filt_info {
+ char *lfi_filter;
+ char *lfi_desc;
+ int lfi_scope; /* LDAP_SCOPE_BASE, etc */
+ int lfi_isexact; /* exact match filter? */
+ struct ldap_filt_info *lfi_next;
+} LDAPFiltInfo;
+
+typedef struct ldap_filt_list {
+ char *lfl_tag;
+ char *lfl_pattern;
+ char *lfl_delims;
+ LDAPFiltInfo *lfl_ilist;
+ struct ldap_filt_list *lfl_next;
+} LDAPFiltList;
+
+
+#define LDAP_FILT_MAXSIZ 1024
+
+typedef struct ldap_filt_desc {
+ LDAPFiltList *lfd_filtlist;
+ LDAPFiltInfo *lfd_curfip;
+ LDAPFiltInfo lfd_retfi;
+ char lfd_filter[ LDAP_FILT_MAXSIZ ];
+ char *lfd_curval;
+ char *lfd_curvalcopy;
+ char **lfd_curvalwords;
+ char *lfd_filtprefix;
+ char *lfd_filtsuffix;
+} LDAPFiltDesc;
+
+
+/*
+ * structure representing an ldap connection
+ */
+
+typedef struct ldap {
+ Sockbuf ld_sb; /* socket descriptor & buffer */
+ char *ld_host;
+ int ld_version;
+ char ld_lberoptions;
+ int ld_deref;
+#define LDAP_DEREF_NEVER 0
+#define LDAP_DEREF_SEARCHING 1
+#define LDAP_DEREF_FINDING 2
+#define LDAP_DEREF_ALWAYS 3
+
+ int ld_timelimit;
+ int ld_sizelimit;
+#define LDAP_NO_LIMIT 0
+
+ LDAPFiltDesc *ld_filtd; /* from getfilter for ufn searches */
+ char *ld_ufnprefix; /* for incomplete ufn's */
+
+ int ld_errno;
+ char *ld_error;
+ char *ld_matched;
+ int ld_msgid;
+
+ /* do not mess with these */
+#ifdef LDAP_REFERRALS
+ LDAPRequest *ld_requests; /* list of outstanding requests */
+#else /* LDAP_REFERRALS */
+ LDAPMessage *ld_requests; /* list of outstanding requests */
+#endif /* LDAP_REFERRALS */
+ LDAPMessage *ld_responses; /* list of outstanding responses */
+ int *ld_abandoned; /* array of abandoned requests */
+ char ld_attrbuffer[LDAP_MAX_ATTR_LEN];
+ LDAPCache *ld_cache; /* non-null if cache is initialized */
+ char *ld_cldapdn; /* DN used in connectionless search */
+
+ /* it is OK to change these next four values directly */
+ int ld_cldaptries; /* connectionless search retry count */
+ int ld_cldaptimeout;/* time between retries */
+ int ld_refhoplimit; /* limit on referral nesting */
+ unsigned long ld_options; /* boolean options */
+#ifdef LDAP_DNS
+#define LDAP_OPT_DNS 0x00000001 /* use DN & DNS */
+#endif /* LDAP_DNS */
+#ifdef LDAP_REFERRALS
+#define LDAP_OPT_REFERRALS 0x00000002 /* chase referrals */
+#endif /* LDAP_REFERRALS */
+#define LDAP_OPT_RESTART 0x00000004 /* restart if EINTR occurs */
+
+ /* do not mess with the rest though */
+ char *ld_defhost; /* full name of default server */
+ int ld_defport; /* port of default server */
+ BERTranslateProc ld_lber_encode_translate_proc;
+ BERTranslateProc ld_lber_decode_translate_proc;
+#ifdef LDAP_REFERRALS
+ LDAPConn *ld_defconn; /* default connection */
+ LDAPConn *ld_conns; /* list of server connections */
+ void *ld_selectinfo; /* platform specifics for select */
+ int (*ld_rebindproc)( struct ldap *ld, char **dnp,
+ char **passwdp, int *authmethodp, int freeit );
+ /* routine to get info needed for re-bind */
+#endif /* LDAP_REFERRALS */
+} LDAP;
+
+
+/*
+ * structure for ldap friendly mapping routines
+ */
+
+typedef struct friendly {
+ char *f_unfriendly;
+ char *f_friendly;
+} FriendlyMap;
+
+
+/*
+ * handy macro to check whether LDAP struct is set up for CLDAP or not
+ */
+#define LDAP_IS_CLDAP( ld ) ( ld->ld_sb.sb_naddr > 0 )
+
+
+/*
+ * types for ldap URL handling
+ */
+typedef struct ldap_url_desc {
+ char *lud_host;
+ int lud_port;
+ char *lud_dn;
+ char **lud_attrs;
+ int lud_scope;
+ char *lud_filter;
+ char *lud_string; /* for internal use only */
+} LDAPURLDesc;
+#define NULLLDAPURLDESC ((LDAPURLDesc *)NULL)
+
+#define LDAP_URL_ERR_NOTLDAP 1 /* URL doesn't begin with "ldap://" */
+#define LDAP_URL_ERR_NODN 2 /* URL has no DN (required) */
+#define LDAP_URL_ERR_BADSCOPE 3 /* URL scope string is invalid */
+#define LDAP_URL_ERR_MEM 4 /* can't allocate memory space */
+
+
+#ifndef NEEDPROTOS
+extern LDAP *ldap_open();
+extern LDAP *ldap_init();
+#ifdef STR_TRANSLATION
+extern void ldap_set_string_translators();
+#ifdef LDAP_CHARSET_8859
+extern int ldap_t61_to_8859();
+extern int ldap_8859_to_t61();
+#endif /* LDAP_CHARSET_8859 */
+#endif /* STR_TRANSLATION */
+extern LDAPMessage *ldap_first_entry();
+extern LDAPMessage *ldap_next_entry();
+extern char *ldap_get_dn();
+extern char *ldap_dn2ufn();
+extern char **ldap_explode_dn();
+extern char *ldap_first_attribute();
+extern char *ldap_next_attribute();
+extern char **ldap_get_values();
+extern struct berval **ldap_get_values_len();
+extern void ldap_value_free();
+extern void ldap_value_free_len();
+extern int ldap_count_values();
+extern int ldap_count_values_len();
+extern char *ldap_err2string();
+extern void ldap_getfilter_free();
+extern LDAPFiltDesc *ldap_init_getfilter();
+extern LDAPFiltDesc *ldap_init_getfilter_buf();
+extern LDAPFiltInfo *ldap_getfirstfilter();
+extern LDAPFiltInfo *ldap_getnextfilter();
+extern void ldap_setfilteraffixes();
+extern void ldap_build_filter();
+extern void ldap_flush_cache();
+extern void ldap_set_cache_options();
+extern void ldap_uncache_entry();
+extern void ldap_uncache_request();
+extern char *ldap_friendly_name();
+extern void ldap_free_friendlymap();
+extern LDAP *cldap_open();
+extern void cldap_setretryinfo();
+extern void cldap_close();
+extern LDAPFiltDesc *ldap_ufn_setfilter();
+extern int ldap_ufn_timeout();
+extern int ldap_sort_entries();
+extern int ldap_sort_values();
+extern int ldap_sort_strcasecmp();
+void ldap_free_urldesc();
+void ldap_set_rebind_proc();
+void ldap_enable_translation();
+
+
+#if defined(ultrix) || defined(VMS) || defined( nextstep )
+extern char *strdup();
+#endif
+
+#else /* NEEDPROTOS */
+#if !defined(MACOS) && !defined(DOS) && !defined(_WIN32) && !defined(WINSOCK)
+#include <sys/time.h>
+#endif
+#if defined(WINSOCK)
+#include "proto-ld.h"
+#else
+#include "proto-ldap.h"
+#endif
+
+#ifdef VMS
+extern char *strdup( const char *s );
+#endif
+#if defined(ultrix) || defined( nextstep )
+extern char *strdup();
+#endif
+
+#endif /* NEEDPROTOS */
+
+#ifdef __cplusplus
+}
+#endif
+#endif /* _LDAP_H */
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