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openldap/libraries/libldap/ldap-int.h
Kurt Zeilenga c02d7e2cb6 ITS#503: Extend ldap tools to support SASL/TLS 
Submitted by Gabor Gombas <gombasg@inf.elte.hu>
2000-04-20 09:23:51 +00:00

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/* $OpenLDAP$ */
/*
* Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
* COPYING RESTRICTIONS APPLY, see COPYRIGHT file
*/
/* Portions
* Copyright (c) 1995 Regents of the University of Michigan.
* All rights reserved.
*
* ldap-int.h - defines & prototypes internal to the LDAP library
*/
#ifndef _LDAP_INT_H
#define _LDAP_INT_H 1
#ifdef LDAP_R_COMPILE
#define LDAP_THREAD_SAFE 1
#endif
#include "../liblber/lber-int.h"
#define ldap_debug (ldap_int_global_options.ldo_debug)
#undef Debug
#define Debug( level, fmt, arg1, arg2, arg3 ) \
ldap_log_printf( NULL, (level), (fmt), (arg1), (arg2), (arg3) )
#include "ldap_log.h"
#include "ldap.h"
#include "ldap_pvt.h"
LDAP_BEGIN_DECL
#define LDAP_URL_PREFIX "ldap://"
#define LDAP_URL_PREFIX_LEN (sizeof(LDAP_URL_PREFIX)-1)
#define LDAPS_URL_PREFIX "ldaps://"
#define LDAPS_URL_PREFIX_LEN (sizeof(LDAPS_URL_PREFIX)-1)
#define LDAPI_URL_PREFIX "ldapi://"
#define LDAPI_URL_PREFIX_LEN (sizeof(LDAPI_URL_PREFIX)-1)
#define LDAPIS_URL_PREFIX "ldapis://"
#define LDAPIS_URL_PREFIX_LEN (sizeof(LDAPIS_URL_PREFIX)-1)
#define LDAP_URL_URLCOLON "URL:"
#define LDAP_URL_URLCOLON_LEN (sizeof(LDAP_URL_URLCOLON)-1)
#define NULLLDAPURLDESC ((LDAPURLDesc *)NULL)
#define LDAP_REF_STR "Referral:\n"
#define LDAP_REF_STR_LEN (sizeof(LDAP_REF_STR)-1)
#define LDAP_LDAP_REF_STR LDAP_URL_PREFIX
#define LDAP_LDAP_REF_STR_LEN (sizeof(LDAP_LDAP_REF_STR)-1)
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
#define LDAP_DX_REF_STR "dx://"
#define LDAP_DX_REF_STR_LEN (sizeof(LDAP_DX_REF_STR)-1)
#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
#define LDAP_DEFAULT_REFHOPLIMIT 5
#define LDAP_BOOL_REFERRALS 0
#define LDAP_BOOL_RESTART 1
#define LDAP_BOOL_DNS 2
#define LDAP_BOOL_TLS 3
#define LDAP_BOOLEANS unsigned long
#define LDAP_BOOL(n) (1 << (n))
#define LDAP_BOOL_GET(lo, bool) ((lo)->ldo_booleans & LDAP_BOOL(bool) \
? -1 : 0)
#define LDAP_BOOL_SET(lo, bool) ((lo)->ldo_booleans |= LDAP_BOOL(bool))
#define LDAP_BOOL_CLR(lo, bool) ((lo)->ldo_booleans &= ~LDAP_BOOL(bool))
#define LDAP_BOOL_ZERO(lo) ((lo)->ldo_booleans = 0)
/*
* 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.
*/
struct ldapmsg {
ber_int_t lm_msgid; /* the message id */
ber_tag_t 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 */
time_t lm_time; /* used to maintain cache */
};
/*
* structure representing get/set'able options
* which have global defaults.
*/
struct ldapoptions {
short ldo_valid;
#define LDAP_UNINITIALIZED 0x0
#define LDAP_INITIALIZED 0x1
#define LDAP_VALID_SESSION 0x2
int ldo_debug;
/* per API call timeout */
struct timeval *ldo_tm_api;
struct timeval *ldo_tm_net;
ber_int_t ldo_version;
ber_int_t ldo_deref;
ber_int_t ldo_timelimit;
ber_int_t ldo_sizelimit;
LDAPURLDesc *ldo_defludp;
int ldo_defport;
char* ldo_defbase;
char* ldo_defbinddn; /* simple bind dn */
#ifdef LDAP_CONNECTIONLESS
int ldo_cldaptries; /* connectionless search retry count */
int ldo_cldaptimeout;/* time between retries */
#endif
int ldo_refhoplimit; /* limit on referral nesting */
/* LDAPv3 server and client controls */
LDAPControl **ldo_sctrls;
LDAPControl **ldo_cctrls;
#ifdef HAVE_TLS
/* tls context */
void *ldo_tls_ctx;
int ldo_tls_mode;
#endif
#ifdef HAVE_CYRUS_SASL
sasl_ssf_t ldo_sasl_minssf;
sasl_ssf_t ldo_sasl_maxssf;
#endif
LDAP_BOOLEANS ldo_booleans; /* boolean options */
};
/*
* 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;
/* int lsrv_protocol; */
struct ldap_server *lsrv_next;
} LDAPServer;
/*
* structure for representing an LDAP server connection
*/
typedef struct ldap_conn {
Sockbuf *lconn_sb;
int lconn_refcnt;
time_t lconn_lastused; /* time */
int lconn_status;
#define LDAP_CONNST_NEEDSOCKET 1
#define LDAP_CONNST_CONNECTING 2
#define LDAP_CONNST_CONNECTED 3
LDAPURLDesc *lconn_server;
char *lconn_krbinstance;
struct ldap_conn *lconn_next;
BerElement *lconn_ber;/* ber receiving on this conn. */
} LDAPConn;
/*
* structure used to track outstanding requests
*/
typedef struct ldapreq {
ber_int_t 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 */
ber_int_t lr_origid; /* original request's message id */
int lr_parentcnt; /* count of parent requests */
ber_tag_t lr_res_msgtype; /* result message type */
ber_int_t 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;
/*
* 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 */
ber_len_t lc_maxmem; /* memory to use */
ber_len_t 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;
/*
* handy macro for checking if handle is connectionless
*/
#define LDAP_IS_CLDAP(ld) ((ld)->ld_cldapnaddr>0)
/*
* structure representing an ldap connection
*/
struct ldap {
Sockbuf ld_sb; /* socket descriptor & buffer */
struct ldapoptions ld_options;
#define ld_valid ld_options.ldo_valid
#define ld_debug ld_options.ldo_debug
#define ld_deref ld_options.ldo_deref
#define ld_timelimit ld_options.ldo_timelimit
#define ld_sizelimit ld_options.ldo_sizelimit
#define ld_defbinddn ld_options.ldo_defbinddn
#define ld_defbase ld_options.ldo_defbase
#define ld_defhost ld_options.ldo_defhost
#define ld_defport ld_options.ldo_defport
#define ld_cldaptries ld_options.ldo_cldaptries
#define ld_cldaptimeout ld_options.ldo_cldaptimeout
#define ld_refhoplimit ld_options.ldo_refhoplimit
#define ld_sctrls ld_options.ldo_sctrls
#define ld_cctrls ld_options.ldo_cctrls
#define ld_version ld_options.ldo_version
char *ld_host;
int ld_port;
unsigned short ld_lberoptions;
LDAPFiltDesc *ld_filtd; /* from getfilter for ufn searches */
char *ld_ufnprefix; /* for incomplete ufn's */
ber_int_t ld_errno;
char *ld_error;
char *ld_matched;
ber_len_t ld_msgid;
/* do not mess with these */
LDAPRequest *ld_requests; /* list of outstanding requests */
LDAPMessage *ld_responses; /* list of outstanding responses */
ber_int_t *ld_abandoned; /* array of abandoned requests */
LDAPCache *ld_cache; /* non-null if cache is initialized */
/* stuff used by connectionless searches. */
char *ld_cldapdn; /* DN used in connectionless search */
int ld_cldapnaddr; /* number of addresses */
void **ld_cldapaddrs;/* addresses to send request to */
/* do not mess with the rest though */
BERTranslateProc ld_lber_encode_translate_proc;
BERTranslateProc ld_lber_decode_translate_proc;
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 */
#ifdef HAVE_CYRUS_SASL
sasl_conn_t *ld_sasl_context;
#endif /* HAVE_CYRUS_SASL */
};
#define LDAP_VALID(ld) ( (ld)->ld_valid == LDAP_VALID_SESSION )
#if defined(HAVE_RES_SEARCH) && defined(LDAP_R_COMPILE)
#include <ldap_pvt_thread.h>
extern ldap_pvt_thread_mutex_t ldap_int_resolv_mutex;
#endif /* HAVE_RES_SEARCH && LDAP_R_COMPILE */
/*
* in init.c
*/
LIBLDAP_F ( struct ldapoptions ) ldap_int_global_options;
LIBLDAP_F ( void ) ldap_int_initialize LDAP_P((void));
/* memory.c */
/* simple macros to realloc for now */
#define LDAP_INT_MALLOC(s) (LBER_MALLOC((s)))
#define LDAP_INT_CALLOC(n,s) (LBER_CALLOC((n),(s)))
#define LDAP_INT_REALLOC(p,s) (LBER_REALLOC((p),(s)))
#define LDAP_INT_FREE(p) (LBER_FREE((p)))
#define LDAP_INT_VFREE(v) (LBER_VFREE((void **)(v)))
#define LDAP_INT_STRDUP(s) (LBER_STRDUP((s)))
#define LDAP_MALLOC(s) (LBER_MALLOC((s)))
#define LDAP_CALLOC(n,s) (LBER_CALLOC((n),(s)))
#define LDAP_REALLOC(p,s) (LBER_REALLOC((p),(s)))
#define LDAP_FREE(p) (LBER_FREE((p)))
#define LDAP_VFREE(v) (LBER_VFREE((void **)(v)))
#define LDAP_STRDUP(s) (LBER_STRDUP((s)))
/*
* in unit-int.c
*/
LIBLDAP_F (void) ldap_int_utils_init LDAP_P(( void ));
/*
* in print.c
*/
LIBLDAP_F (int) ldap_log_printf LDAP_P((LDAP *ld, int level, const char *fmt, ...)) LDAP_GCCATTR((format(printf, 3, 4)));
/*
* in cache.c
*/
LIBLDAP_F (void) ldap_add_request_to_cache LDAP_P(( LDAP *ld, ber_tag_t msgtype,
BerElement *request ));
LIBLDAP_F (void) ldap_add_result_to_cache LDAP_P(( LDAP *ld, LDAPMessage *result ));
LIBLDAP_F (int) ldap_check_cache LDAP_P(( LDAP *ld, ber_tag_t msgtype, BerElement *request ));
/*
* in controls.c
*/
LIBLDAP_F (LDAPControl *) ldap_control_dup LDAP_P((
const LDAPControl *ctrl ));
LIBLDAP_F (LDAPControl **) ldap_controls_dup LDAP_P((
LDAPControl *const *ctrls ));
LIBLDAP_F (int) ldap_int_get_controls LDAP_P((
BerElement *be,
LDAPControl ***ctrlsp));
LIBLDAP_F (int) ldap_int_put_controls LDAP_P((
LDAP *ld,
LDAPControl *const *ctrls,
BerElement *ber ));
/*
* in dsparse.c
*/
LIBLDAP_F (int) next_line_tokens LDAP_P(( char **bufp, ber_len_t *blenp, char ***toksp ));
LIBLDAP_F (void) free_strarray LDAP_P(( char **sap ));
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND
/*
* in kerberos.c
*/
LIBLDAP_F (char *) ldap_get_kerberosv4_credentials LDAP_P((
LDAP *ld,
LDAP_CONST char *who,
LDAP_CONST char *service,
ber_len_t *len ));
#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
/*
* in open.c
*/
LIBLDAP_F (int) ldap_open_defconn( LDAP *ld );
LIBLDAP_F (int) open_ldap_connection( LDAP *ld, Sockbuf *sb, LDAPURLDesc *srvlist, char **krbinstancep, int async );
/*
* in os-ip.c
*/
LIBLDAP_F (int) ldap_int_tblsize;
LIBLDAP_F (int) ldap_int_timeval_dup( struct timeval **dest, const struct timeval *tm );
LIBLDAP_F (int) ldap_connect_to_host( LDAP *ld, Sockbuf *sb, const char *host, unsigned long address, int port, int async );
LIBLDAP_F (void) ldap_close_connection( Sockbuf *sb );
#if defined(LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND) || defined(HAVE_TLS) || defined(HAVE_CYRUS_SASL)
LIBLDAP_F (char *) ldap_host_connected_to( Sockbuf *sb );
#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_KBIND */
LIBLDAP_F (void) ldap_int_ip_init( void );
LIBLDAP_F (int) do_ldap_select( LDAP *ld, struct timeval *timeout );
LIBLDAP_F (void *) ldap_new_select_info( void );
LIBLDAP_F (void) ldap_free_select_info( void *sip );
LIBLDAP_F (void) ldap_mark_select_write( LDAP *ld, Sockbuf *sb );
LIBLDAP_F (void) ldap_mark_select_read( LDAP *ld, Sockbuf *sb );
LIBLDAP_F (void) ldap_mark_select_clear( LDAP *ld, Sockbuf *sb );
LIBLDAP_F (int) ldap_is_read_ready( LDAP *ld, Sockbuf *sb );
LIBLDAP_F (int) ldap_is_write_ready( LDAP *ld, Sockbuf *sb );
#ifdef LDAP_PF_LOCAL
/*
* in os-local.c
*/
LIBLDAP_F (int) ldap_connect_to_path( LDAP *ld, Sockbuf *sb, const char *path, int async );
#endif /* LDAP_PF_LOCAL */
/*
* in request.c
*/
LIBLDAP_F (ber_int_t) ldap_send_initial_request( LDAP *ld, ber_tag_t msgtype,
const char *dn, BerElement *ber );
LIBLDAP_F (BerElement *) ldap_alloc_ber_with_options( LDAP *ld );
LIBLDAP_F (void) ldap_set_ber_options( LDAP *ld, BerElement *ber );
LIBLDAP_F (int) ldap_send_server_request( LDAP *ld, BerElement *ber, ber_int_t msgid, LDAPRequest *parentreq, LDAPURLDesc *srvlist, LDAPConn *lc, int bind );
LIBLDAP_F (LDAPConn *) ldap_new_connection( LDAP *ld, LDAPURLDesc *srvlist, int use_ldsb, int connect, int bind );
LIBLDAP_F (LDAPRequest *) ldap_find_request_by_msgid( LDAP *ld, ber_int_t msgid );
LIBLDAP_F (void) ldap_free_request( LDAP *ld, LDAPRequest *lr );
LIBLDAP_F (void) ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind );
LIBLDAP_F (void) ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all );
LIBLDAP_F (void) ldap_dump_requests_and_responses( LDAP *ld );
LIBLDAP_F (int) ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp );
LIBLDAP_F (int) ldap_append_referral( LDAP *ld, char **referralsp, char *s );
/*
* in result.c:
*/
#ifdef LDAP_CONNECTIONLESS
LIBLDAP_F (int) cldap_getmsg( LDAP *ld, struct timeval *timeout, BerElement *ber );
#endif
/*
* in search.c
*/
LIBLDAP_F (BerElement *) ldap_build_search_req LDAP_P((
LDAP *ld,
const char *base,
ber_int_t scope,
const char *filter,
char **attrs,
ber_int_t attrsonly,
LDAPControl **sctrls,
LDAPControl **cctrls,
ber_int_t timelimit,
ber_int_t sizelimit ));
/*
* in string.c
*/
/* see <ac/string.h> */
/*
* in unbind.c
*/
LIBLDAP_F (int) ldap_ld_free LDAP_P((
LDAP *ld,
int close,
LDAPControl **sctrls,
LDAPControl **cctrls ));
LIBLDAP_F (int) ldap_send_unbind LDAP_P((
LDAP *ld,
Sockbuf *sb,
LDAPControl **sctrls,
LDAPControl **cctrls ));
/*
* in url.c
*/
LIBLDAP_F (LDAPURLDesc *) ldap_url_dup LDAP_P((
LDAPURLDesc *ludp ));
LIBLDAP_F (LDAPURLDesc *) ldap_url_duplist LDAP_P((
LDAPURLDesc *ludlist ));
LIBLDAP_F (int) ldap_url_parselist LDAP_P((
LDAPURLDesc **ludlist,
const char *url ));
LIBLDAP_F (int) ldap_url_parsehosts LDAP_P((
LDAPURLDesc **ludlist,
const char *hosts ));
LIBLDAP_F (char *) ldap_url_list2hosts LDAP_P((
LDAPURLDesc *ludlist ));
LIBLDAP_F (char *) ldap_url_list2urls LDAP_P((
LDAPURLDesc *ludlist ));
LIBLDAP_F (void) ldap_free_urllist LDAP_P((
LDAPURLDesc *ludlist ));
#ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
/*
* in getdxbyname.c
*/
LIBLDAP_F (char **) ldap_getdxbyname( const char *domain );
#endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
#if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
/*
* in charset.c
*
* added-in this stuff so that libldap.a would build, i.e. refs to
* these routines from open.c would resolve.
* hodges@stanford.edu 5-Feb-96
*/
#if LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET
LIBLDAP_F (int) ldap_t61_to_8859( char **bufp, ber_len_t *buflenp, int free_input );
LIBLDAP_F (int) ldap_8859_to_t61( char **bufp, ber_len_t *buflenp, int free_input );
#endif /* LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET */
#endif /* STR_TRANSLATION && LDAP_DEFAULT_CHARSET */
LDAP_END_DECL
#endif /* _LDAP_INT_H */
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