2 * Copyright 1998-1999 The OpenLDAP Foundation, All Rights Reserved.
3 * COPYING RESTRICTIONS APPLY, see COPYRIGHT file
6 * Copyright (c) 1995 Regents of the University of Michigan.
9 * ldap-int.h - defines & prototypes internal to the LDAP library
15 #ifdef LDAP_COMPILING_R
16 #define LDAP_THREAD_SAFE 1
19 #include "../liblber/lber-int.h"
21 #define ldap_debug (openldap_ldap_global_options.ldo_debug)
29 #define LDAP_URL_PREFIX "ldap://"
30 #define LDAP_URL_PREFIX_LEN 7
31 #define LDAP_URL_URLCOLON "URL:"
32 #define LDAP_URL_URLCOLON_LEN 4
34 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
35 #define LDAP_REF_STR "Referral:\n"
36 #define LDAP_REF_STR_LEN 10
37 #define LDAP_LDAP_REF_STR LDAP_URL_PREFIX
38 #define LDAP_LDAP_REF_STR_LEN LDAP_URL_PREFIX_LEN
39 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
40 #define LDAP_DX_REF_STR "dx://"
41 #define LDAP_DX_REF_STR_LEN 5
42 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
43 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
45 #define LDAP_BOOL_REFERRALS 0
46 #define LDAP_BOOL_RESTART 1
47 #define LDAP_BOOL_DNS 2
49 #define LDAP_BOOLEANS unsigned long
50 #define LDAP_BOOL(n) (1 << (n))
51 #define LDAP_BOOL_GET(lo, bool) ((lo)->ldo_booleans & LDAP_BOOL(bool) \
52 ? LDAP_OPT_ON : LDAP_OPT_OFF)
53 #define LDAP_BOOL_SET(lo, bool) ((lo)->ldo_booleans |= LDAP_BOOL(bool))
54 #define LDAP_BOOL_CLR(lo, bool) ((lo)->ldo_booleans &= ~LDAP_BOOL(bool))
55 #define LDAP_BOOL_ZERO(lo) ((lo)->ldo_booleans = 0)
58 * This structure represents both ldap messages and ldap responses.
59 * These are really the same, except in the case of search responses,
60 * where a response has multiple messages.
64 int lm_msgid; /* the message id */
65 int lm_msgtype; /* the message type */
66 BerElement *lm_ber; /* the ber encoded message contents */
67 struct ldapmsg *lm_chain; /* for search - next msg in the resp */
68 struct ldapmsg *lm_next; /* next response */
69 unsigned int lm_time; /* used to maintain cache */
73 * structure representing get/set'able options
74 * which have global defaults.
77 int ldo_version; /* version to connect at */
88 int ldo_cldaptries; /* connectionless search retry count */
89 int ldo_cldaptimeout;/* time between retries */
90 int ldo_refhoplimit; /* limit on referral nesting */
92 /* LDAPv3 server and client controls */
93 LDAPControl **ldo_server_controls;
94 LDAPControl **ldo_client_controls;
96 LDAP_BOOLEANS ldo_booleans; /* boolean options */
99 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
101 * structure for tracking LDAP server host, ports, DNs, etc.
103 typedef struct ldap_server {
105 char *lsrv_dn; /* if NULL, use default */
107 struct ldap_server *lsrv_next;
112 * structure for representing an LDAP server connection
114 typedef struct ldap_conn {
117 time_t lconn_lastused; /* time */
119 #define LDAP_CONNST_NEEDSOCKET 1
120 #define LDAP_CONNST_CONNECTING 2
121 #define LDAP_CONNST_CONNECTED 3
122 LDAPServer *lconn_server;
123 char *lconn_krbinstance;
124 struct ldap_conn *lconn_next;
129 * structure used to track outstanding requests
131 typedef struct ldapreq {
132 int lr_msgid; /* the message id */
133 int lr_status; /* status of request */
134 #define LDAP_REQST_INPROGRESS 1
135 #define LDAP_REQST_CHASINGREFS 2
136 #define LDAP_REQST_NOTCONNECTED 3
137 #define LDAP_REQST_WRITING 4
138 int lr_outrefcnt; /* count of outstanding referrals */
139 int lr_origid; /* original request's message id */
140 int lr_parentcnt; /* count of parent requests */
141 int lr_res_msgtype; /* result message type */
142 int lr_res_errno; /* result LDAP errno */
143 char *lr_res_error; /* result error string */
144 char *lr_res_matched;/* result matched DN string */
145 BerElement *lr_ber; /* ber encoded request contents */
146 LDAPConn *lr_conn; /* connection used to send request */
147 struct ldapreq *lr_parent; /* request that spawned this referral */
148 struct ldapreq *lr_refnext; /* next referral spawned */
149 struct ldapreq *lr_prev; /* previous request */
150 struct ldapreq *lr_next; /* next request */
152 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
155 * structure for client cache
157 #define LDAP_CACHE_BUCKETS 31 /* cache hash table size */
158 typedef struct ldapcache {
159 LDAPMessage *lc_buckets[LDAP_CACHE_BUCKETS];/* hash table */
160 LDAPMessage *lc_requests; /* unfulfilled reqs */
161 long lc_timeout; /* request timeout */
162 long lc_maxmem; /* memory to use */
163 long lc_memused; /* memory in use */
164 int lc_enabled; /* enabled? */
165 unsigned long lc_options; /* options */
166 #define LDAP_CACHE_OPT_CACHENOERRS 0x00000001
167 #define LDAP_CACHE_OPT_CACHEALLERRS 0x00000002
169 #define NULLLDCACHE ((LDAPCache *)NULL)
173 * structure representing an ldap connection
177 Sockbuf ld_sb; /* socket descriptor & buffer */
179 struct ldapoptions ld_options;
181 #define ld_deref ld_options.ldo_deref
182 #define ld_timelimit ld_options.ldo_timelimit
183 #define ld_sizelimit ld_options.ldo_sizelimit
185 #define ld_defbase ld_options.ldo_defbase
186 #define ld_defhost ld_options.ldo_defhost
187 #define ld_defport ld_options.ldo_defport
189 #define ld_cldaptries ld_options.ldo_cldaptries
190 #define ld_cldaptimeout ld_options.ldo_cldaptimeout
191 #define ld_refhoplimit ld_options.ldo_refhoplimit
193 int ld_version; /* version connected at */
199 LDAPFiltDesc *ld_filtd; /* from getfilter for ufn searches */
200 char *ld_ufnprefix; /* for incomplete ufn's */
207 /* do not mess with these */
208 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
209 LDAPRequest *ld_requests; /* list of outstanding requests */
210 #else /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
211 LDAPMessage *ld_requests; /* list of outstanding requests */
212 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
213 LDAPMessage *ld_responses; /* list of outstanding responses */
214 int *ld_abandoned; /* array of abandoned requests */
215 char ld_attrbuffer[LDAP_MAX_ATTR_LEN];
216 LDAPCache *ld_cache; /* non-null if cache is initialized */
217 char *ld_cldapdn; /* DN used in connectionless search */
219 /* do not mess with the rest though */
220 BERTranslateProc ld_lber_encode_translate_proc;
221 BERTranslateProc ld_lber_decode_translate_proc;
223 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
224 LDAPConn *ld_defconn; /* default connection */
225 LDAPConn *ld_conns; /* list of server connections */
226 void *ld_selectinfo; /* platform specifics for select */
227 int (*ld_rebindproc)( struct ldap *ld, char **dnp,
228 char **passwdp, int *authmethodp, int freeit );
229 /* routine to get info needed for re-bind */
230 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
236 extern int openldap_ldap_initialized;
237 extern struct ldapoptions openldap_ldap_global_options;
238 void openldap_ldap_initialize LDAP_P((void));
243 void ldap_add_request_to_cache LDAP_P(( LDAP *ld, unsigned long msgtype,
244 BerElement *request ));
245 void ldap_add_result_to_cache LDAP_P(( LDAP *ld, LDAPMessage *result ));
246 int ldap_check_cache LDAP_P(( LDAP *ld, unsigned long msgtype, BerElement *request ));
251 LDAPControl *ldap_control_dup LDAP_P(( LDAPControl *ctrl ));
252 LDAPControl **ldap_controls_dup LDAP_P(( LDAPControl **ctrl ));
257 int next_line_tokens LDAP_P(( char **bufp, long *blenp, char ***toksp ));
258 void free_strarray LDAP_P(( char **sap ));
264 char *ldap_get_kerberosv4_credentials LDAP_P(( LDAP *ld, char *who, char *service,
267 #endif /* HAVE_KERBEROS */
273 int open_ldap_connection( LDAP *ld, Sockbuf *sb, char *host, int defport,
274 char **krbinstancep, int async );
280 int ldap_connect_to_host( Sockbuf *sb, char *host, unsigned long address, int port,
282 void ldap_close_connection( Sockbuf *sb );
285 char *ldap_host_connected_to( Sockbuf *sb );
286 #endif /* HAVE_KERBEROS */
288 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
289 int do_ldap_select( LDAP *ld, struct timeval *timeout );
290 void *ldap_new_select_info( void );
291 void ldap_free_select_info( void *sip );
292 void ldap_mark_select_write( LDAP *ld, Sockbuf *sb );
293 void ldap_mark_select_read( LDAP *ld, Sockbuf *sb );
294 void ldap_mark_select_clear( LDAP *ld, Sockbuf *sb );
295 int ldap_is_read_ready( LDAP *ld, Sockbuf *sb );
296 int ldap_is_write_ready( LDAP *ld, Sockbuf *sb );
297 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
303 int ldap_send_initial_request( LDAP *ld, unsigned long msgtype,
304 char *dn, BerElement *ber );
305 BerElement *ldap_alloc_ber_with_options( LDAP *ld );
306 void ldap_set_ber_options( LDAP *ld, BerElement *ber );
308 #if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
309 int ldap_send_server_request( LDAP *ld, BerElement *ber, int msgid,
310 LDAPRequest *parentreq, LDAPServer *srvlist, LDAPConn *lc,
312 LDAPConn *ldap_new_connection( LDAP *ld, LDAPServer **srvlistp, int use_ldsb,
313 int connect, int bind );
314 LDAPRequest *ldap_find_request_by_msgid( LDAP *ld, int msgid );
315 void ldap_free_request( LDAP *ld, LDAPRequest *lr );
316 void ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind );
317 void ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all );
318 void ldap_dump_requests_and_responses( LDAP *ld );
319 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS || LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
321 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
322 int ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp );
323 int ldap_append_referral( LDAP *ld, char **referralsp, char *s );
324 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
329 #ifdef LDAP_CONNECTIONLESS
330 LDAP_F int cldap_getmsg ( LDAP *ld, struct timeval *timeout, BerElement *ber );
336 BerElement *ldap_build_search_req( LDAP *ld, char *base, int scope,
337 char *filter, char **attrs, int attrsonly );
342 char *ldap_strdup LDAP_P(( const char * ));
347 int ldap_ld_free( LDAP *ld, int close );
348 int ldap_send_unbind( LDAP *ld, Sockbuf *sb );
350 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
354 char **ldap_getdxbyname( char *domain );
355 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
357 #if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
361 * added-in this stuff so that libldap.a would build, i.e. refs to
362 * these routines from open.c would resolve.
363 * hodges@stanford.edu 5-Feb-96
365 #if LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET
367 int ldap_t61_to_8859( char **bufp, unsigned long *buflenp, int free_input );
369 int ldap_8859_to_t61( char **bufp, unsigned long *buflenp, int free_input );
370 #endif /* LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET */
371 #endif /* STR_TRANSLATION && LDAP_DEFAULT_CHARSET */
378 struct hostent; /* avoid pulling in <netdb.h> */
380 extern char *ldap_int_strtok( char *str, const char *delim, char **pos );
381 extern char *ldap_int_ctime( const time_t *tp, char *buf );
382 extern int ldap_int_gethostbyname_a(
384 struct hostent *resbuf,
386 struct hostent **result,
388 extern int ldap_int_gethostbyaddr_a(
392 struct hostent *resbuf,
394 struct hostent **result,
399 #endif /* _LDAP_INT_H */