ldap.h

vc环境下的pgp源码

/*
 * 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 */

#if PGPSOCKETSLDAP /* jason */
	void *	tlsSession;
#endif
} 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) && !defined(PGPSOCKETSLDAP) /* jason */
#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 */