2 * Copyright (c) 1995 Regents of the University of Michigan.
5 * ldap-int.h - defines & prototypes internal to the LDAP library
11 #ifdef LDAP_COMPILING_R
12 #define LDAP_THREAD_SAFE 1
15 #include "../liblber/lber-int.h"
17 #define ldap_debug (openldap_ldap_global_options.ldo_debug)
25 #define LDAP_URL_PREFIX "ldap://"
26 #define LDAP_URL_PREFIX_LEN 7
27 #define LDAP_URL_URLCOLON "URL:"
28 #define LDAP_URL_URLCOLON_LEN 4
30 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
31 #define LDAP_REF_STR "Referral:\n"
32 #define LDAP_REF_STR_LEN 10
33 #define LDAP_LDAP_REF_STR LDAP_URL_PREFIX
34 #define LDAP_LDAP_REF_STR_LEN LDAP_URL_PREFIX_LEN
35 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
36 #define LDAP_DX_REF_STR "dx://"
37 #define LDAP_DX_REF_STR_LEN 5
38 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
39 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
41 #define LDAP_BOOL_REFERRALS 0
42 #define LDAP_BOOL_RESTART 1
43 #define LDAP_BOOL_DNS 2
45 #define LDAP_BOOLEANS unsigned long
46 #define LDAP_BOOL(n) (1 << (n))
47 #define LDAP_BOOL_GET(lo, bool) ((lo)->ldo_booleans & LDAP_BOOL(bool) \
48 ? LDAP_OPT_ON : LDAP_OPT_OFF)
49 #define LDAP_BOOL_SET(lo, bool) ((lo)->ldo_booleans |= LDAP_BOOL(bool))
50 #define LDAP_BOOL_CLR(lo, bool) ((lo)->ldo_booleans &= ~LDAP_BOOL(bool))
51 #define LDAP_BOOL_ZERO(lo) ((lo)->ldo_booleans = 0)
54 * This structure represents both ldap messages and ldap responses.
55 * These are really the same, except in the case of search responses,
56 * where a response has multiple messages.
60 int lm_msgid; /* the message id */
61 int lm_msgtype; /* the message type */
62 BerElement *lm_ber; /* the ber encoded message contents */
63 struct ldapmsg *lm_chain; /* for search - next msg in the resp */
64 struct ldapmsg *lm_next; /* next response */
65 unsigned int lm_time; /* used to maintain cache */
69 * structure representing get/set'able options
70 * which have global defaults.
73 int ldo_version; /* version to connect at */
84 int ldo_cldaptries; /* connectionless search retry count */
85 int ldo_cldaptimeout;/* time between retries */
86 int ldo_refhoplimit; /* limit on referral nesting */
88 /* LDAPv3 server and client controls */
89 LDAPControl **ldo_server_controls;
90 LDAPControl **ldo_client_controls;
92 LDAP_BOOLEANS ldo_booleans; /* boolean options */
95 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
97 * structure for tracking LDAP server host, ports, DNs, etc.
99 typedef struct ldap_server {
101 char *lsrv_dn; /* if NULL, use default */
103 struct ldap_server *lsrv_next;
108 * structure for representing an LDAP server connection
110 typedef struct ldap_conn {
113 time_t lconn_lastused; /* time */
115 #define LDAP_CONNST_NEEDSOCKET 1
116 #define LDAP_CONNST_CONNECTING 2
117 #define LDAP_CONNST_CONNECTED 3
118 LDAPServer *lconn_server;
119 char *lconn_krbinstance;
120 struct ldap_conn *lconn_next;
125 * structure used to track outstanding requests
127 typedef struct ldapreq {
128 int lr_msgid; /* the message id */
129 int lr_status; /* status of request */
130 #define LDAP_REQST_INPROGRESS 1
131 #define LDAP_REQST_CHASINGREFS 2
132 #define LDAP_REQST_NOTCONNECTED 3
133 #define LDAP_REQST_WRITING 4
134 int lr_outrefcnt; /* count of outstanding referrals */
135 int lr_origid; /* original request's message id */
136 int lr_parentcnt; /* count of parent requests */
137 int lr_res_msgtype; /* result message type */
138 int lr_res_errno; /* result LDAP errno */
139 char *lr_res_error; /* result error string */
140 char *lr_res_matched;/* result matched DN string */
141 BerElement *lr_ber; /* ber encoded request contents */
142 LDAPConn *lr_conn; /* connection used to send request */
143 struct ldapreq *lr_parent; /* request that spawned this referral */
144 struct ldapreq *lr_refnext; /* next referral spawned */
145 struct ldapreq *lr_prev; /* previous request */
146 struct ldapreq *lr_next; /* next request */
148 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
151 * structure for client cache
153 #define LDAP_CACHE_BUCKETS 31 /* cache hash table size */
154 typedef struct ldapcache {
155 LDAPMessage *lc_buckets[LDAP_CACHE_BUCKETS];/* hash table */
156 LDAPMessage *lc_requests; /* unfulfilled reqs */
157 long lc_timeout; /* request timeout */
158 long lc_maxmem; /* memory to use */
159 long lc_memused; /* memory in use */
160 int lc_enabled; /* enabled? */
161 unsigned long lc_options; /* options */
162 #define LDAP_CACHE_OPT_CACHENOERRS 0x00000001
163 #define LDAP_CACHE_OPT_CACHEALLERRS 0x00000002
165 #define NULLLDCACHE ((LDAPCache *)NULL)
169 * structure representing an ldap connection
173 Sockbuf ld_sb; /* socket descriptor & buffer */
175 struct ldapoptions ld_options;
177 #define ld_deref ld_options.ldo_deref
178 #define ld_timelimit ld_options.ldo_timelimit
179 #define ld_sizelimit ld_options.ldo_sizelimit
181 #define ld_defbase ld_options.ldo_defbase
182 #define ld_defhost ld_options.ldo_defhost
183 #define ld_defport ld_options.ldo_defport
185 #define ld_cldaptries ld_options.ldo_cldaptries
186 #define ld_cldaptimeout ld_options.ldo_cldaptimeout
187 #define ld_refhoplimit ld_options.ldo_refhoplimit
189 int ld_version; /* version connected at */
195 LDAPFiltDesc *ld_filtd; /* from getfilter for ufn searches */
196 char *ld_ufnprefix; /* for incomplete ufn's */
203 /* do not mess with these */
204 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
205 LDAPRequest *ld_requests; /* list of outstanding requests */
206 #else /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
207 LDAPMessage *ld_requests; /* list of outstanding requests */
208 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
209 LDAPMessage *ld_responses; /* list of outstanding responses */
210 int *ld_abandoned; /* array of abandoned requests */
211 char ld_attrbuffer[LDAP_MAX_ATTR_LEN];
212 LDAPCache *ld_cache; /* non-null if cache is initialized */
213 char *ld_cldapdn; /* DN used in connectionless search */
215 /* do not mess with the rest though */
216 BERTranslateProc ld_lber_encode_translate_proc;
217 BERTranslateProc ld_lber_decode_translate_proc;
219 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
220 LDAPConn *ld_defconn; /* default connection */
221 LDAPConn *ld_conns; /* list of server connections */
222 void *ld_selectinfo; /* platform specifics for select */
223 int (*ld_rebindproc)( struct ldap *ld, char **dnp,
224 char **passwdp, int *authmethodp, int freeit );
225 /* routine to get info needed for re-bind */
226 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
232 extern int openldap_ldap_initialized;
233 extern struct ldapoptions openldap_ldap_global_options;
234 void openldap_ldap_initialize LDAP_P((void));
239 void ldap_add_request_to_cache LDAP_P(( LDAP *ld, unsigned long msgtype,
240 BerElement *request ));
241 void ldap_add_result_to_cache LDAP_P(( LDAP *ld, LDAPMessage *result ));
242 int ldap_check_cache LDAP_P(( LDAP *ld, unsigned long msgtype, BerElement *request ));
247 LDAPControl *ldap_control_dup LDAP_P(( LDAPControl *ctrl ));
248 LDAPControl **ldap_controls_dup LDAP_P(( LDAPControl **ctrl ));
253 int next_line_tokens LDAP_P(( char **bufp, long *blenp, char ***toksp ));
254 void free_strarray LDAP_P(( char **sap ));
260 char *ldap_get_kerberosv4_credentials LDAP_P(( LDAP *ld, char *who, char *service,
263 #endif /* HAVE_KERBEROS */
269 int open_ldap_connection( LDAP *ld, Sockbuf *sb, char *host, int defport,
270 char **krbinstancep, int async );
276 int ldap_connect_to_host( Sockbuf *sb, char *host, unsigned long address, int port,
278 void ldap_close_connection( Sockbuf *sb );
281 char *ldap_host_connected_to( Sockbuf *sb );
282 #endif /* HAVE_KERBEROS */
284 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
285 int do_ldap_select( LDAP *ld, struct timeval *timeout );
286 void *ldap_new_select_info( void );
287 void ldap_free_select_info( void *sip );
288 void ldap_mark_select_write( LDAP *ld, Sockbuf *sb );
289 void ldap_mark_select_read( LDAP *ld, Sockbuf *sb );
290 void ldap_mark_select_clear( LDAP *ld, Sockbuf *sb );
291 int ldap_is_read_ready( LDAP *ld, Sockbuf *sb );
292 int ldap_is_write_ready( LDAP *ld, Sockbuf *sb );
293 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
299 int ldap_send_initial_request( LDAP *ld, unsigned long msgtype,
300 char *dn, BerElement *ber );
301 BerElement *ldap_alloc_ber_with_options( LDAP *ld );
302 void ldap_set_ber_options( LDAP *ld, BerElement *ber );
304 #if defined( LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS ) || defined( LDAP_API_FEATURE_X_OPENLDAP_V2_DNS )
305 int ldap_send_server_request( LDAP *ld, BerElement *ber, int msgid,
306 LDAPRequest *parentreq, LDAPServer *srvlist, LDAPConn *lc,
308 LDAPConn *ldap_new_connection( LDAP *ld, LDAPServer **srvlistp, int use_ldsb,
309 int connect, int bind );
310 LDAPRequest *ldap_find_request_by_msgid( LDAP *ld, int msgid );
311 void ldap_free_request( LDAP *ld, LDAPRequest *lr );
312 void ldap_free_connection( LDAP *ld, LDAPConn *lc, int force, int unbind );
313 void ldap_dump_connection( LDAP *ld, LDAPConn *lconns, int all );
314 void ldap_dump_requests_and_responses( LDAP *ld );
315 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS || LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
317 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS
318 int ldap_chase_referrals( LDAP *ld, LDAPRequest *lr, char **errstrp, int *hadrefp );
319 int ldap_append_referral( LDAP *ld, char **referralsp, char *s );
320 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_REFERRALS */
325 #ifdef LDAP_CONNECTIONLESS
326 LDAP_F int cldap_getmsg ( LDAP *ld, struct timeval *timeout, BerElement *ber );
332 BerElement *ldap_build_search_req( LDAP *ld, char *base, int scope,
333 char *filter, char **attrs, int attrsonly );
338 char *ldap_strdup LDAP_P(( const char * ));
343 int ldap_ld_free( LDAP *ld, int close );
344 int ldap_send_unbind( LDAP *ld, Sockbuf *sb );
346 #ifdef LDAP_API_FEATURE_X_OPENLDAP_V2_DNS
350 char **ldap_getdxbyname( char *domain );
351 #endif /* LDAP_API_FEATURE_X_OPENLDAP_V2_DNS */
353 #if defined( STR_TRANSLATION ) && defined( LDAP_DEFAULT_CHARSET )
357 * added-in this stuff so that libldap.a would build, i.e. refs to
358 * these routines from open.c would resolve.
359 * hodges@stanford.edu 5-Feb-96
361 #if LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET
363 int ldap_t61_to_8859( char **bufp, unsigned long *buflenp, int free_input );
365 int ldap_8859_to_t61( char **bufp, unsigned long *buflenp, int free_input );
366 #endif /* LDAP_CHARSET_8859 == LDAP_DEFAULT_CHARSET */
367 #endif /* STR_TRANSLATION && LDAP_DEFAULT_CHARSET */
374 struct hostent; /* avoid pulling in <netdb.h> */
376 extern char *ldap_int_strtok( char *str, const char *delim, char **pos );
377 extern char *ldap_int_ctime( const time_t *tp, char *buf );
378 extern int ldap_int_gethostbyname_a(
380 struct hostent *resbuf,
382 struct hostent **result,
384 extern int ldap_int_gethostbyaddr_a(
388 struct hostent *resbuf,
390 struct hostent **result,
395 #endif /* _LDAP_INT_H */