xref: /titanic_41/usr/src/lib/libsldap/common/ns_internal.h (revision ba7866cd2cbdf574f47d4e38a1301b90744dd677)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright (c) 1999, 2010, Oracle and/or its affiliates. All rights reserved.
23  */
24 
25 
26 #ifndef	_NS_INTERNAL_H
27 #define	_NS_INTERNAL_H
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 #include <stdio.h>
34 #include <sys/types.h>
35 #include <sys/time.h>
36 #include <thread.h>
37 #include <lber.h>
38 #include <ldap.h>
39 #include "ns_sldap.h"
40 #include "ns_cache_door.h"
41 
42 /*
43  * INTERNALLY USED CONSTANTS
44  */
45 
46 #define	MAXERROR		2000
47 #define	TRUE			1
48 #define	FALSE			0
49 #define	NSLDAPDIRECTORY		"/var/ldap"
50 #define	NSCONFIGFILE		"/var/ldap/ldap_client_file"
51 #define	NSCONFIGREFRESH		"/var/ldap/ldap_client_file.refresh"
52 #define	NSCREDFILE		"/var/ldap/ldap_client_cred"
53 #define	NSCREDREFRESH		"/var/ldap/ldap_client_cred.refresh"
54 #define	ROTORSIZE		256
55 #define	MASK			0377
56 #define	LDAPMAXHARDLOOKUPTIME	256
57 #define	DONOTEDIT		\
58 	"Do not edit this file manually; your changes will be lost." \
59 	"Please use ldapclient (1M) instead."
60 #define	MAXPORTNUMBER		65535
61 #define	MAXPORTNUMBER_STR	"65535"
62 #define	CREDFILE		0
63 #define	CONFIGFILE		1
64 #define	UIDNUMFILTER		"(&(objectclass=posixAccount)(uidnumber=%s))"
65 #define	UIDNUMFILTER_SSD 	"(&(%%s)(uidnumber=%s))"
66 #define	UIDFILTER		"(&(objectclass=posixAccount)(uid=%s))"
67 #define	UIDFILTER_SSD		"(&(%%s)(uid=%s))"
68 #define	HOSTFILTER		"(&(objectclass=ipHost)(cn=%s))"
69 #define	HOSTFILTER_SSD		"(&(%%s)(cn=%s))"
70 
71 #define	SIMPLEPAGECTRLFLAG	1
72 #define	VLVCTRLFLAG		2
73 
74 #define	LISTPAGESIZE		1000
75 #define	ENUMPAGESIZE		100
76 
77 #define	DEFMAX			8
78 #define	TOKENSEPARATOR		'='
79 #define	QUOTETOK		'"'
80 #define	SPACETOK		' '
81 #define	COMMATOK		','
82 #define	COLONTOK		':'
83 #define	QUESTTOK		'?'
84 #define	SEMITOK			';'
85 #define	TABTOK			'\t'
86 #define	OPARATOK		'('
87 #define	CPARATOK		')'
88 #define	BSLTOK			'\\'
89 #define	DOORLINESEP		"\07"
90 #define	DOORLINESEP_CHR		0x7
91 #define	COMMASEP		", "
92 #define	SPACESEP		" "
93 #define	SEMISEP			";"
94 #define	COLONSEP		":"
95 #define	COLSPSEP		": "
96 #define	EQUALSEP		"="
97 #define	EQUSPSEP		"= "
98 #define	LAST_VALUE		(int)NS_LDAP_HOST_CERTPATH_P
99 #define	BUFSIZE			BUFSIZ
100 #define	DEFAULTCONFIGNAME	"__default_config"
101 #define	EXP_DEFAULT_TTL		"43200"	/* 12 hours TTL */
102 #define	CRYPTMARK		"{NS1}"
103 #define	DOORBUFFERSIZE		8192
104 
105 #define	LDIF_FMT_STR		"%s: %s"
106 #define	FILE_FMT_STR		"%s= %s"
107 #define	DOOR_FMT_STR		"%s=%s"
108 
109 #define	SESSION_CACHE_INC	8
110 #define	CONID_OFFSET		1024
111 #define	NS_DEFAULT_BIND_TIMEOUT		30 /* timeout value in seconds */
112 #define	NS_DEFAULT_SEARCH_TIMEOUT	30 /* timeout value in seconds */
113 
114 /* max rdn length in conversion routines used by __ns_ldap_addTypedEntry() */
115 #define	RDNSIZE			512
116 
117 /*
118  * special service used by ldap_cachemgr to indicate a shadow update
119  * is to be done with the credential of the administrator identity
120  */
121 #define	NS_ADMIN_SHADOW_UPDATE	"shadow__admin_update"
122 
123 /* Phase 1 profile information */
124 #define	_PROFILE1_OBJECTCLASS	"SolarisNamingProfile"
125 #define	_PROFILE_CONTAINER	"profile"
126 #define	_PROFILE_FILTER		"(&(|(objectclass=%s)(objectclass=%s))(cn=%s))"
127 
128 /* Phase 2 profile information */
129 #define	_PROFILE2_OBJECTCLASS		"DUAConfigProfile"
130 
131 /* Common to all profiles */
132 #define	_P_CN			"cn"
133 
134 /* Native LDAP Phase 1 Specific Profile Attributes */
135 #define	_P1_SERVERS			"SolarisLDAPServers"
136 #define	_P1_SEARCHBASEDN		"SolarisSearchBaseDN"
137 #define	_P1_CACHETTL			"SolarisCacheTTL"
138 #define	_P1_BINDDN			"SolarisBindDN"
139 #define	_P1_BINDPASSWORD		"SolarisBindPassword"
140 #define	_P1_AUTHMETHOD			"SolarisAuthMethod"
141 #define	_P1_TRANSPORTSECURITY		"SolarisTransportSecurity"
142 #define	_P1_CERTIFICATEPATH		"SolarisCertificatePath"
143 #define	_P1_CERTIFICATEPASSWORD		"SolarisCertificatePassword"
144 #define	_P1_DATASEARCHDN		"SolarisDataSearchDN"
145 #define	_P1_SEARCHSCOPE			"SolarisSearchScope"
146 #define	_P1_SEARCHTIMELIMIT		"SolarisSearchTimeLimit"
147 #define	_P1_PREFERREDSERVER		"SolarisPreferredServer"
148 #define	_P1_PREFERREDSERVERONLY		"SolarisPreferredServerOnly"
149 #define	_P1_SEARCHREFERRAL		"SolarisSearchReferral"
150 #define	_P1_BINDTIMELIMIT		"SolarisBindTimeLimit"
151 
152 /* Native LDAP Phase 2 Specific Profile Attributes */
153 #define	_P2_PREFERREDSERVER		"preferredServerList"
154 #define	_P2_DEFAULTSERVER		"defaultServerList"
155 #define	_P2_SEARCHBASEDN		"defaultSearchBase"
156 #define	_P2_SEARCHSCOPE			"defaultSearchScope"
157 #define	_P2_AUTHMETHOD			"authenticationMethod"
158 #define	_P2_CREDENTIALLEVEL		"credentialLevel"
159 #define	_P2_SERVICESEARCHDESC		"serviceSearchDescriptor"
160 #define	_P2_SEARCHTIMELIMIT		"searchTimeLimit"
161 #define	_P2_BINDTIMELIMIT		"bindTimeLimit"
162 #define	_P2_FOLLOWREFERRALS		"followReferrals"
163 #define	_P2_PROFILETTL			"profileTTL"
164 #define	_P2_ATTRIBUTEMAP		"attributeMap"
165 #define	_P2_OBJECTCLASSMAP		"objectClassMap"
166 #define	_P2_SERVICECREDLEVEL		"serviceCredentialLevel"
167 #define	_P2_SERVICEAUTHMETHOD		"serviceAuthenticationMethod"
168 
169 /* Control & SASL information from RootDSE door call */
170 #define	_SASLMECHANISM			"supportedSASLmechanisms"
171 #define	_SASLMECHANISM_LEN		23
172 #define	_SUPPORTEDCONTROL		"supportedControl"
173 #define	_SUPPORTEDCONTROL_LEN		16
174 
175 #define	NS_HASH_MAX	257
176 #define	NS_HASH_SCHEMA_MAPPING_EXISTED	"=MAPPING EXISTED="
177 #define	NS_HASH_RC_SUCCESS		1
178 #define	NS_HASH_RC_NO_MEMORY		-1
179 #define	NS_HASH_RC_CONFIG_ERROR		-2
180 #define	NS_HASH_RC_EXISTED		-3
181 #define	NS_HASH_RC_SYNTAX_ERROR		-4
182 
183 /* Password management related error message from iDS ldap server */
184 #define	NS_PWDERR_MAXTRIES		\
185 	"Exceed password retry limit."
186 #define	NS_PWDERR_EXPIRED		\
187 	"password expired!"
188 #define	NS_PWDERR_ACCT_INACTIVATED	\
189 	"Account inactivated. Contact system administrator."
190 #define	NS_PWDERR_CHANGE_NOT_ALLOW	\
191 	"user is not allowed to change password"
192 #define	NS_PWDERR_INVALID_SYNTAX	\
193 	"invalid password syntax"
194 #define	NS_PWDERR_TRIVIAL_PASSWD	\
195 	"Password failed triviality check"
196 #define	NS_PWDERR_IN_HISTORY	\
197 	"password in history"
198 #define	NS_PWDERR_WITHIN_MIN_AGE	\
199 	"within password minimum age"
200 
201 /*
202  * INTERNALLY USED MACROS
203  */
204 
205 void	__s_api_debug_pause(int priority, int st, const char *mesg);
206 
207 #define	NULL_OR_STR(str)	(!(str) || *(str) == '\0' ? "<NULL>" : (str))
208 
209 /*
210  * MKERROR: builds the error structure and fills in the status and
211  * the message.  The message must be a freeable (non-static) string.
212  * If it fails to allocate memory for the error structure,
213  * it will return the retErr.
214  */
215 #define	MKERROR(priority, err, st, mesg, retErr) \
216 	if (((err) = calloc(1, sizeof (struct ns_ldap_error))) == NULL) \
217 		return (retErr); \
218 	(err)->message = mesg; \
219 	(err)->status = (st); \
220 	__s_api_debug_pause(priority, st, (err)->message);
221 
222 /*
223  * MKERROR_PWD_MGMT is almost the same as MKERROR
224  * except that it takes two more inputs to fill in the
225  * password management information part of the
226  * ns_ldap_error structure pointed to by err,
227  * and it does not log a syslog message.
228  */
229 #define	MKERROR_PWD_MGMT(err, st, mesg, pwd_status, sec_until_exp, retErr) \
230 	if (((err) = calloc(1, sizeof (struct ns_ldap_error))) == NULL) \
231 		return (retErr); \
232 	(err)->message = mesg; \
233 	(err)->status = (st); \
234 	(err)->pwd_mgmt.status = (pwd_status); \
235 	(err)->pwd_mgmt.sec_until_expired = (sec_until_exp);
236 
237 #ifdef DEBUG
238 #define	NSLDAPTRACE(variable, setequal, message) \
239 	if (variable > 0 || ((setequal != 0) && (variable == setequal))) { \
240 		char buf[BUFSIZ]; \
241 		(void) snprintf(buf, BUFSIZ, message); \
242 		(void) write(__ldap_debug_file, buf); \
243 	}
244 #endif
245 
246 /*
247  * INTERNAL DATA STRUCTURES
248  */
249 
250 /*
251  * configuration entry type
252  */
253 
254 typedef enum {
255 	SERVERCONFIG	= 1,
256 	CLIENTCONFIG	= 2,
257 	CREDCONFIG	= 3
258 } ns_conftype_t;
259 
260 /*
261  * datatype of a config entry
262  */
263 
264 typedef enum {
265 	NS_UNKNOWN	= 0,
266 	CHARPTR		= 1,		/* Single character pointer */
267 	ARRAYCP		= 2,		/* comma sep array of char pointers */
268 	ARRAYAUTH	= 3,		/* Array of auths */
269 	TIMET		= 4,		/* time relative value (TTL) */
270 	INT		= 5,		/* single integer */
271 	SSDLIST		= 6,		/* service search descriptor */
272 	ATTRMAP		= 7,		/* attribute mapping */
273 	OBJMAP		= 8,		/* objectclass mapping */
274 	SERVLIST	= 9,		/* serverlist (SP sep array) */
275 	ARRAYCRED	= 10,		/* Array of credentialLevels */
276 	SAMLIST		= 11,		/* serviceAuthenticationMethod */
277 	SCLLIST		= 12		/* serviceCredentialLevel */
278 } ns_datatype_t;
279 
280 typedef enum {
281 	NS_SUCCESS,
282 	NS_NOTFOUND,
283 	NS_PARSE_ERR
284 } ns_parse_status;
285 
286 typedef enum {
287 	NS_DOOR_FMT	= 1,
288 	NS_LDIF_FMT	= 2,
289 	NS_FILE_FMT	= 3
290 } ns_strfmt_t;
291 
292 /*
293  * This enum reduces the number of version string compares
294  * against NS_LDAP_VERSION_1 and NS_LDAP_VERSION_2
295  */
296 
297 typedef enum {
298 	NS_LDAP_V1	= 1000,
299 	NS_LDAP_V2	= 2000
300 } ns_version_t;
301 
302 /*
303  * enum<->string mapping construct
304  */
305 
306 typedef struct ns_enum_map {
307 	int	value;
308 	char	*name;
309 } ns_enum_map;
310 
311 #define	ENUM2INT(x)		((int)(x))
312 
313 #define	INT2PARAMINDEXENUM(x)	((ParamIndexType)(x))
314 #define	INT2SEARCHREFENUM(x)	((SearchRef_t)(x))
315 #define	INT2SCOPEENUM(x)	((ScopeType_t)(x))
316 #define	INT2AUTHENUM(x)		((AuthType_t)(x))
317 #define	INT2SECENUM(x)		((TlsType_t)(x))
318 #define	INT2PREFONLYENUM(x)	((PrefOnly_t)(x))
319 #define	INT2CREDLEVELENUM(x)	((CredLevel_t)(x))
320 #define	INT2SHADOWUPDATENUM(x)	((enableShadowUpdate_t)(x))
321 
322 #define	INT2LDAPRETURN(x)	((ns_ldap_return_code)(x))
323 #define	INT2CONFIGRETURN(x)	((ns_ldap_config_return_code)(x))
324 #define	INT2PARTIALRETURN(x)	((ns_ldap_partial_return_code)(x))
325 
326 /*
327  * This structure maps service name to rdn components
328  * for use in __ns_getDNs. It also defines the SSD-to-use
329  * service for use in __s_api_get_SSDtoUse_service.
330  * The idea of an SSD-to-use service is to reduce the configuration
331  * complexity. For a service, which does not have its own entries in
332  * the LDAP directory, SSD for it is useless, and should not be set.
333  * But since this service must share the container with at least
334  * one other service which does have it own entries, the SSD for
335  * this other service will be shared by this service.
336  * This other service is called the SSD-to-use service.
337  *
338  */
339 
340 typedef struct ns_service_map {
341 	char	*service;
342 	char	*rdn;
343 	char	*SSDtoUse_service;
344 } ns_service_map;
345 
346 /*
347  * This structure contains a single mapping from:
348  * service:orig -> list of mapped
349  */
350 
351 typedef enum {
352 	NS_ATTR_MAP,
353 	NS_OBJ_MAP
354 } ns_maptype_t;
355 
356 typedef struct ns_mapping {
357 	ns_maptype_t	type;
358 	char		*service;
359 	char		*orig;
360 	char		**map;
361 } ns_mapping_t;
362 
363 /*
364  * The following is the list of internal libsldap configuration data
365  * structures.  The configuration is populated normally once per
366  * application.  The assumption is that in applications can be
367  * relatively short lived (IE ls via nsswitch) so it is important to
368  * keep configuration to a minimum, but keep lookups fast.
369  *
370  * Assumptions:
371  * 1 configuration entry per domain, and almost always 1 domain
372  * per app.  Hooks exist for multiple domains per app.
373  *
374  * Configurations are read in from client file cache or from LDAP.
375  * Attribute/objectclass mappings are hashed to improve lookup
376  * speed.
377  */
378 
379 /*
380  * Hash entry types
381  */
382 typedef enum	_ns_hashtype_t {
383 	NS_HASH_AMAP	= 1,		/* attr map */
384 	NS_HASH_RAMAP	= 2,		/* reverse attr map */
385 	NS_HASH_OMAP	= 3,		/* oc map */
386 	NS_HASH_ROMAP	= 4,		/* reverse oc map */
387 	NS_HASH_VOID	= 5
388 } ns_hashtype_t;
389 
390 typedef struct ns_hash {
391 	ns_hashtype_t	h_type;
392 	ns_mapping_t	*h_map;
393 	struct ns_hash	*h_next;
394 	struct ns_hash	*h_llnext;
395 } ns_hash_t;
396 
397 /*
398  * This structure defines the format of an internal configuration
399  * parameter for ns_ldap client.
400  */
401 
402 typedef struct ns_param {
403 	ns_datatype_t	ns_ptype;
404 	int		ns_acnt;
405 	union {
406 		char	**ppc;
407 		int	*pi;
408 		char	*pc;
409 		int	i;
410 		time_t	tm;
411 	} ns_pu;
412 } ns_param_t;
413 
414 #define	ns_ppc	ns_pu.ppc
415 #define	ns_pi	ns_pu.pi
416 #define	ns_pc	ns_pu.pc
417 #define	ns_i	ns_pu.i
418 #define	ns_tm	ns_pu.tm
419 
420 /*
421  * This structure defines an instance of a configuration structure.
422  * paramList contains the current ns_ldap parameter configuration
423  * and hashTbl contain the current attribute/objectclass mappings.
424  * Parameters are indexed by using the value assigned to the parameter
425  * in ParamIndexType.
426  */
427 
428 typedef struct ns_config {
429 	char			*domainName;
430 	ns_version_t		version;
431 	ns_param_t		paramList[NS_LDAP_MAX_PIT_P];
432 	ns_hash_t		*hashTbl[NS_HASH_MAX];
433 	ns_hash_t		*llHead;
434 	ns_ldap_entry_t		*RootDSE;
435 	boolean_t		delete;
436 	mutex_t			config_mutex;
437 	int			nUse;
438 	ldap_get_chg_cookie_t	config_cookie;
439 } ns_config_t;
440 
441 /*
442  * This structure defines the mapping of the NSCONFIGFILE file
443  * statements into their corresponding SolarisNamingProfile,
444  * Posix Mapping LDAP attributes, and to their corresponding
445  * ParamIndexType enum mapping.  THe ParamIndexType enum
446  * definitions can be found in ns_ldap.h.  This structure also
447  * defines the default values that are used when a value either
448  * does not exist or is undefined.
449  */
450 
451 typedef struct ns_default_config {
452 	const char	*name;		/* config file parameter name */
453 	ParamIndexType	index;		/* config file enum index */
454 	ns_conftype_t	config_type;	/* CLIENT/SERVER/CREDCONFIG */
455 	ns_datatype_t	data_type;	/* ppc,pi,pc,int etc... */
456 	int		single_valued;	/* TRUE OR FALSE */
457 	ns_version_t 	version;	/* Version # for attribute */
458 	const char	*profile_name;	/* profile schema attribute name */
459 	ns_param_t	defval;		/* config file parameter default */
460 	int		(*ns_verify)(ParamIndexType i,
461 				struct ns_default_config *def,
462 				ns_param_t *param,
463 				char *errbuf);
464 	ns_enum_map	*allowed;	/* allowed values */
465 } ns_default_config;
466 
467 
468 /*
469  * This typedef enumerates all the supported authentication
470  * mechanisms currently supported in this library
471  */
472 
473 typedef enum EnumAuthType {
474 	NS_LDAP_EA_NONE				= 0,
475 	NS_LDAP_EA_SIMPLE			= 1,
476 	NS_LDAP_EA_SASL_NONE			= 2,
477 	NS_LDAP_EA_SASL_CRAM_MD5		= 3,
478 	NS_LDAP_EA_SASL_DIGEST_MD5		= 4,
479 	NS_LDAP_EA_SASL_DIGEST_MD5_INT		= 5,
480 	NS_LDAP_EA_SASL_DIGEST_MD5_CONF		= 6,
481 	NS_LDAP_EA_SASL_EXTERNAL		= 7,
482 	NS_LDAP_EA_SASL_GSSAPI			= 8,
483 	NS_LDAP_EA_SASL_SPNEGO			= 9,	/* unsupported */
484 	NS_LDAP_EA_TLS_NONE			= 10,
485 	NS_LDAP_EA_TLS_SIMPLE			= 11,
486 	NS_LDAP_EA_TLS_SASL_NONE		= 12,
487 	NS_LDAP_EA_TLS_SASL_CRAM_MD5		= 13,
488 	NS_LDAP_EA_TLS_SASL_DIGEST_MD5		= 14,
489 	NS_LDAP_EA_TLS_SASL_DIGEST_MD5_INT	= 15,
490 	NS_LDAP_EA_TLS_SASL_DIGEST_MD5_CONF	= 16,
491 	NS_LDAP_EA_TLS_SASL_EXTERNAL		= 17,
492 	NS_LDAP_EA_TLS_SASL_GSSAPI		= 18,	/* unsupported */
493 	NS_LDAP_EA_TLS_SASL_SPNEGO		= 19	/* unsupported */
494 } EnumAuthType_t;
495 
496 
497 /*
498  * this enum lists the various states of the search state machine
499  */
500 
501 typedef enum {
502 	INIT			= 1,
503 	EXIT			= 2,
504 	NEXT_SEARCH_DESCRIPTOR	= 3,
505 	GET_SESSION		= 4,
506 	NEXT_SESSION		= 5,
507 	RESTART_SESSION		= 6,
508 	NEXT_SEARCH		= 7,
509 	NEXT_VLV		= 8,
510 	NEXT_PAGE		= 9,
511 	ONE_SEARCH		= 10,
512 	DO_SEARCH		= 11,
513 	NEXT_RESULT		= 12,
514 	MULTI_RESULT		= 13,
515 	PROCESS_RESULT		= 14,
516 	END_PROCESS_RESULT	= 15,
517 	END_RESULT		= 16,
518 	NEXT_REFERRAL		= 17,
519 	GET_REFERRAL_SESSION	= 18,
520 	ERROR			= 19,
521 	LDAP_ERROR		= 20,
522 	GET_ACCT_MGMT_INFO	= 21,
523 	CLEAR_RESULTS		= 22,
524 	REINIT			= 23
525 } ns_state_t;
526 
527 /*
528  * this enum lists the various states of the write state machine
529  */
530 typedef enum {
531 	W_INIT			= 1,
532 	W_EXIT			= 2,
533 	GET_CONNECTION		= 3,
534 	SELECT_OPERATION_SYNC	= 4,
535 	SELECT_OPERATION_ASYNC	= 5,
536 	DO_ADD_SYNC		= 6,
537 	DO_DELETE_SYNC		= 7,
538 	DO_MODIFY_SYNC		= 8,
539 	DO_ADD_ASYNC		= 9,
540 	DO_DELETE_ASYNC		= 10,
541 	DO_MODIFY_ASYNC		= 11,
542 	GET_RESULT_SYNC		= 12,
543 	GET_RESULT_ASYNC	= 13,
544 	PARSE_RESULT		= 14,
545 	GET_REFERRAL_CONNECTION	= 15,
546 	W_LDAP_ERROR		= 16,
547 	W_ERROR			= 17
548 } ns_write_state_t;
549 
550 
551 typedef int ConnectionID;
552 
553 /*
554  * Server side sort type. Orginally the server side sort
555  * was set to "cn uid". This did not work with AD and
556  * hence single sort attribute was odopted. We dont
557  * know which server side sort will work with the
558  * Directory and hence we discover which method works.
559  */
560 typedef enum {
561 	SSS_UNKNOWN		= 0,
562 	SSS_SINGLE_ATTR		= 1,
563 	SSS_CN_UID_ATTRS	= 2
564 } ns_srvsidesort_t;
565 
566 /*
567  * This structure is used by ns_connect to create and manage
568  * one or more ldap connections within the library.
569  */
570 typedef struct connection {
571 	ConnectionID		connectionId;
572 	boolean_t		usedBit;	/* true if only used by */
573 						/* one thread and not shared */
574 						/* by other threads */
575 	pid_t			pid;		/* process id */
576 	char			*serverAddr;
577 	ns_cred_t		*auth;
578 	LDAP			*ld;
579 	thread_t		threadID;	/* thread ID using it */
580 	struct ns_ldap_cookie	*cookieInfo;
581 	char 			**controls;		/* from server_info */
582 	char			**saslMechanisms;	/* from server_info */
583 } Connection;
584 
585 #define	ONE_STEP			1
586 
587 /*
588  * This structure is for referrals processing.
589  * The data are from referral URLs returned by
590  * LDAP servers
591  */
592 typedef struct ns_referral_info {
593 	struct ns_referral_info	*next;
594 	char			*refHost;
595 	int			refScope;
596 	char			*refDN;
597 	char			*refFilter;
598 } ns_referral_info_t;
599 
600 struct ns_ldap_cookie;
601 
602 /*
603  * Batch used by __ns_ldap_list_batch_xxx API
604  */
605 struct ns_ldap_list_batch {
606 	uint32_t		nactive;
607 	struct ns_ldap_cookie	*next_cookie;
608 	struct ns_ldap_cookie	*cookie_list;
609 };
610 
611 struct ns_conn_user;
612 typedef struct ns_conn_user ns_conn_user_t;
613 
614 /*
615  * This structure used internally in searches
616  */
617 
618 typedef struct ns_ldap_cookie {
619 	/* INPUTS */
620 		/* server list position */
621 
622 		/* service search descriptor list & position */
623 	ns_ldap_search_desc_t  **sdlist;
624 	ns_ldap_search_desc_t  **sdpos;
625 
626 		/* search filter callback */
627 	int			use_filtercb;
628 	int 	(*init_filter_cb)(const ns_ldap_search_desc_t *desc,
629 			char **realfilter, const void *userdata);
630 
631 		/* user callback */
632 	int			use_usercb;
633 	int	(*callback)(const ns_ldap_entry_t *entry,
634 			const void *userdata);
635 	const void		*userdata;
636 
637 	int			followRef;
638 	int			use_paging;
639 	char			*service;
640 	char			*i_filter;
641 	const char * const	*i_attr;
642 	const char		*i_sortattr;
643 	const ns_cred_t		*i_auth;
644 	int 			i_flags;
645 
646 	/* OUTPUTS */
647 	ns_ldap_result_t	*result;
648 	ns_ldap_entry_t		*nextEntry;
649 		/* Error data */
650 	int			err_rc;
651 	ns_ldap_error_t		*errorp;
652 
653 	/* PRIVATE */
654 	ns_state_t		state;
655 	ns_state_t		new_state;
656 	ns_state_t		next_state;
657 
658 	Connection		*conn;
659 #define	conn_auth_type	conn->auth->auth.type
660 	ConnectionID		connectionId;
661 
662 	/* paging VLV/SIMPLEPAGE data */
663 	int			listType;
664 	unsigned long		index;
665 	LDAPControl		**p_serverctrls;
666 	ns_srvsidesort_t	sortTypeTry;
667 	int			entryCount;
668 
669 	int			scope;
670 	char			*basedn;
671 	char			*filter;
672 	char			**attribute;
673 
674 	/* RESULT PROCESSING */
675 	int			msgId;
676 	LDAPMessage		*resultMsg;
677 
678 	char			**dns;
679 	char			*currentdn;
680 	int			flag;
681 	struct berval   	*ctrlCookie;
682 
683 	/* REFERRALS PROCESSING */
684 	/* referralinfo list & position */
685 	ns_referral_info_t  	*reflist;
686 	ns_referral_info_t  	*refpos;
687 	/* search timeout value */
688 	struct timeval		search_timeout;
689 	/* response control to hold account management information */
690 	LDAPControl		**resultctrl;
691 	/* Flag to indicate password less account management is required */
692 	int			nopasswd_acct_mgmt;
693 	int			err_from_result;
694 	ns_conn_user_t		*conn_user;
695 
696 	/* BATCH PROCESSING */
697 	ns_ldap_list_batch_t	*batch;
698 	boolean_t		no_wait;
699 	boolean_t		reinit_on_retriable_err;
700 	int			retries;
701 	ns_ldap_result_t	**caller_result;
702 	ns_ldap_error_t		**caller_errorp;
703 	int			*caller_rc;
704 	struct ns_ldap_cookie	*next_cookie_in_batch;
705 } ns_ldap_cookie_t;
706 
707 /*
708  * This structure is part of the return value information for
709  * __s_api_requestServer.  The routine that requests a new server
710  * from the cache manager
711  */
712 typedef struct ns_server_info {
713 	char	*server;
714 	char	*serverFQDN;
715 	char 	**controls;
716 	char	**saslMechanisms;
717 } ns_server_info_t;
718 
719 /*
720  * sasl callback function parameters
721  */
722 typedef struct ns_sasl_cb_param {
723 	char	*mech;
724 	char	*authid;
725 	char	*authzid;
726 	char	*passwd;
727 	char	*realm;
728 } ns_sasl_cb_param_t;
729 
730 /* self/sasl/gssapi variable */
731 extern int sasl_gssapi_inited;
732 
733 /* Multiple threads per connection variable */
734 extern int MTperConn;
735 
736 /*
737  * INTERNAL GLOBAL DEFINITIONS AND FUNCTION DECLARATIONS
738  */
739 
740 #ifdef DEBUG
741 extern int	__ldap_debug_file;
742 extern int	__ldap_debug_api;
743 extern int	__ldap_debug_ldap;
744 extern int	__ldap_debug_servers;
745 #endif
746 
747 /* internal connection APIs */
748 void DropConnection(ConnectionID, int);
749 int __s_api_getServers(char *** servers, ns_ldap_error_t ** error);
750 
751 int __s_get_enum_value(ns_config_t *ptr, char *value, ParamIndexType i);
752 char *__s_get_auth_name(ns_config_t *ptr, AuthType_t type);
753 char *__s_get_security_name(ns_config_t *ptr, TlsType_t type);
754 char *__s_get_scope_name(ns_config_t *ptr, ScopeType_t type);
755 char *__s_get_pref_name(PrefOnly_t type);
756 char *__s_get_searchref_name(ns_config_t *ptr, SearchRef_t type);
757 char *__s_get_shadowupdate_name(enableShadowUpdate_t type);
758 char *__s_get_hostcertpath(void);
759 void __s_api_free_sessionPool();
760 int __s_api_requestServer(const char *request, const char *server,
761 	ns_server_info_t *ret, ns_ldap_error_t **error,  const char *addrType);
762 
763 
764 /* ************ internal sldap-api functions *********** */
765 void	__ns_ldap_freeEntry(ns_ldap_entry_t *ep);
766 void	__s_api_split_key_value(char *buffer, char **name, char **value);
767 int	__s_api_printResult(ns_ldap_result_t *);
768 int	__s_api_getSearchScope(int *, ns_ldap_error_t **);
769 int	__s_api_getDNs(char ***, const char *,
770 	ns_ldap_error_t **);
771 int	__s_api_get_search_DNs_v1(char ***, const char *,
772 	ns_ldap_error_t **);
773 int	__s_api_getConnection(const char *, const int,
774 	const ns_cred_t *, int *,
775 	Connection **, ns_ldap_error_t **, int, int, ns_conn_user_t *);
776 char	**__s_api_cp2dArray(char **);
777 void	__s_api_free2dArray(char **);
778 
779 int	__s_api_isCtrlSupported(Connection *, char *);
780 ns_config_t *__ns_ldap_make_config(ns_ldap_result_t *result);
781 ns_auth_t  *__s_api_AuthEnumtoStruct(const EnumAuthType_t i);
782 boolean_t __s_api_peruser_proc(void);
783 boolean_t __s_api_nscd_proc(void);
784 char	*dvalue(char *);
785 char	*evalue(char *);
786 ns_ldap_error_t *__s_api_make_error(int, char *);
787 ns_ldap_error_t *__s_api_copy_error(ns_ldap_error_t *);
788 
789 /* ************ specific 'Standalone' functions ********** */
790 ns_ldap_return_code __s_api_ip2hostname(char *ipaddr, char **hostname);
791 struct hostent *__s_api_hostname2ip(const char *name,
792 				    struct hostent *result,
793 				    char *buffer,
794 				    int buflen,
795 				    int *h_errnop);
796 void	__s_api_setInitMode();
797 void	__s_api_unsetInitMode();
798 int	__s_api_isStandalone(void);
799 int __s_api_isInitializing();
800 ns_ldap_return_code __s_api_findRootDSE(const char *request,
801 					const char *server,
802 					const char *addrType,
803 					ns_server_info_t *ret,
804 					ns_ldap_error_t	**error);
805 ns_config_t *__s_api_create_config_door_str(char *config,
806 				ns_ldap_error_t **errorp);
807 
808 extern void	get_environment();
809 
810 /* internal Param APIs */
811 int		__ns_ldap_setParamValue(ns_config_t *ptr,
812 			const ParamIndexType type,
813 			const void *data, ns_ldap_error_t **error);
814 int		__s_api_get_type(const char *value, ParamIndexType *type);
815 int		__s_api_get_versiontype(ns_config_t *ptr, char *value,
816 					ParamIndexType *type);
817 int		__s_api_get_profiletype(char *value, ParamIndexType *type);
818 void		__s_api_init_config(ns_config_t *ptr);
819 void		__s_api_init_config_global(ns_config_t *ptr);
820 ns_parse_status __s_api_crosscheck(ns_config_t *domainptr, char *errstr,
821 					int check_dn);
822 ns_config_t	*__s_api_create_config(void);
823 ns_config_t	*__s_api_get_default_config(void);
824 ns_config_t	*__s_api_get_default_config_global(void);
825 ns_config_t	*__s_api_loadrefresh_config();
826 ns_config_t	*__s_api_loadrefresh_config_global();
827 void		__s_api_destroy_config(ns_config_t *ptr);
828 int		__s_api_get_configtype(ParamIndexType type);
829 const char	*__s_api_get_configname(ParamIndexType type);
830 char		*__s_api_strValue(ns_config_t *ptr, ParamIndexType i,
831 			ns_strfmt_t fmt);
832 void		__s_api_release_config(ns_config_t *cfg);
833 
834 /* internal attribute/objectclass mapping api's */
835 int		 __s_api_add_map2hash(ns_config_t *config,
836 				ns_hashtype_t type, ns_mapping_t *map);
837 void		__s_api_destroy_hash(ns_config_t *config);
838 int		__s_api_parse_map(char *cp, char **sid,
839 				char **origA, char ***mapA);
840 char		**__ns_ldap_mapAttributeList(const char *service,
841 				const char * const *origAttrList);
842 char		*__ns_ldap_mapAttribute(const char *service,
843 				const char *origAttr);
844 
845 /* internal configuration APIs */
846 void		__ns_ldap_setServer(int set);
847 ns_ldap_error_t	*__ns_ldap_LoadConfiguration();
848 ns_ldap_error_t	*__ns_ldap_LoadDoorInfo(LineBuf *configinfo, char *domainname,
849 				ns_config_t *new, int cred_only);
850 ns_ldap_error_t *__ns_ldap_DumpConfiguration(char *filename);
851 ns_ldap_error_t	*__ns_ldap_DumpLdif(char *filename);
852 int		__ns_ldap_cache_ping();
853 ns_ldap_error_t *__ns_ldap_print_config(int);
854 void		__ns_ldap_default_config();
855 int		__ns_ldap_download(const char *, char *, char *,
856 				ns_ldap_error_t **);
857 int
858 __ns_ldap_check_dns_preq(int foreground,
859 		int mode_verbose,
860 		int mode_quiet,
861 		const char *fname,
862 		ns_ldap_self_gssapi_config_t config,
863 		ns_ldap_error_t **errpp);
864 int
865 __ns_ldap_check_gssapi_preq(int foreground,
866 		int mode_verbose,
867 		int mode_quiet,
868 		ns_ldap_self_gssapi_config_t config,
869 		ns_ldap_error_t **errpp);
870 int
871 __ns_ldap_check_all_preq(int foreground,
872 		int mode_verbose,
873 		int mode_quiet,
874 		ns_ldap_self_gssapi_config_t config,
875 		ns_ldap_error_t **errpp);
876 
877 /* internal un-exposed APIs */
878 ns_cred_t 	*__ns_ldap_dupAuth(const ns_cred_t *authp);
879 boolean_t	__s_api_is_auth_matched(const ns_cred_t *auth1,
880 		    const ns_cred_t *auth2);
881 int		__s_api_get_SSD_from_SSDtoUse_service(const char *service,
882 			ns_ldap_search_desc_t ***SSDlist,
883 			ns_ldap_error_t **errorp);
884 int		__s_api_prepend_automountmapname(const char *service,
885 			ns_ldap_search_desc_t ***SSDlist,
886 			ns_ldap_error_t ** errorp);
887 int		__s_api_prepend_automountmapname_to_dn(const char *service,
888 			char **basedn,
889 			ns_ldap_error_t ** errorp);
890 int		__s_api_convert_automountmapname(const char *service,
891 			char **dn, ns_ldap_error_t ** errorp);
892 int		__s_api_replace_mapped_attr_in_dn(
893 			const char *orig_attr, const char *mapped_attr,
894 			const char *dn, char **new_dn);
895 int		__s_api_append_default_basedn(
896 			const char *dn,
897 			char **new_dn,
898 			int *allocated,
899 			ns_ldap_error_t ** errorp);
900 int		__s_api_removeServer(const char *server);
901 void		__s_api_removeBadServers(char **server);
902 void		__s_api_free_server_info(ns_server_info_t *sinfo);
903 void		__s_api_freeConnection(Connection *con);
904 
905 /* internal referrals APIs */
906 int 		__s_api_toFollowReferrals(const int flags,
907 			int *toFollow,
908 			ns_ldap_error_t **errorp);
909 int 		__s_api_addRefInfo(ns_referral_info_t **head,
910 			char *url, char *baseDN, int *scope,
911 			char *filter, LDAP *ld);
912 void		__s_api_deleteRefInfo(ns_referral_info_t *head);
913 
914 /* callback routine for SSD filters */
915 int		__s_api_merge_SSD_filter(const ns_ldap_search_desc_t *desc,
916 			char **realfilter,
917 			const void *userdata);
918 
919 /* network address verification api */
920 int		__s_api_isipv4(char *addr);
921 int		__s_api_isipv6(char *addr);
922 int		__s_api_ishost(char *addr);
923 
924 /* password management routine */
925 ns_ldap_passwd_status_t
926 		__s_api_set_passwd_status(int errnum, char *errmsg);
927 int		__s_api_contain_passwd_control_oid(char **oids);
928 
929 /* password less account management routine */
930 int		__s_api_contain_account_usable_control_oid(char **oids);
931 
932 /* RFC 2307 section 5.6. Get a canonical name from entry */
933 char		*__s_api_get_canonical_name(ns_ldap_entry_t *entry,
934 			ns_ldap_attr_t *attrptr, int case_ignore);
935 
936 /* self/sasl/gssapi functions */
937 int		__s_api_sasl_bind_callback(
938 			LDAP		*ld,
939 			unsigned	flags,
940 			void		*defaults,
941 			void		*in);
942 
943 int		__s_api_self_gssapi_only_get(void);
944 int		__s_api_sasl_gssapi_init(void);
945 
946 int		__print2buf(LineBuf *line, const char *toprint, char *sep);
947 
948 #ifdef __cplusplus
949 }
950 #endif
951 
952 #endif /* _NS_INTERNAL_H */
953