xref: /illumos-gate/usr/src/lib/smbsrv/libsmb/common/libsmb.h (revision bdc3270f393f51a419684e0fd3d7112e9b269773)
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 /*
23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
24  * Copyright 2019 Nexenta by DDN, Inc. All rights reserved.
25  * Copyright 2020 RackTop Systems, Inc.
26  */
27 
28 #ifndef	_LIBSMB_H
29 #define	_LIBSMB_H
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/types.h>
36 #include <sys/inttypes.h>
37 #include <sys/list.h>
38 #include <sys/avl.h>
39 #include <arpa/inet.h>
40 #include <net/if.h>	/* LIFNAMSIZ */
41 #include <netdb.h>
42 #include <stdlib.h>
43 #include <libscf.h>
44 #include <libshare.h>
45 #include <uuid/uuid.h>
46 #include <synch.h>
47 #include <stdarg.h>
48 
49 #include <smb/nterror.h>
50 #include <smb/ntstatus.h>
51 #include <smb/wintypes.h>
52 
53 #include <smbsrv/string.h>
54 #include <smbsrv/smb_idmap.h>
55 #include <smbsrv/netbios.h>
56 #include <smbsrv/smb_share.h>
57 #include <smbsrv/smb_door.h>
58 #include <smbsrv/alloc.h>
59 #include <smbsrv/hash_table.h>
60 #include <smbsrv/msgbuf.h>
61 #include <smbsrv/smb_xdr.h>
62 #include <smbsrv/smbinfo.h>
63 #include <smbsrv/ntifs.h>
64 
65 #define	SMB_VARSMB_DIR "/var/smb"
66 #define	SMB_VARRUN_DIR "/var/run/smb"
67 #define	SMB_CCACHE_FILE "ccache"
68 #define	SMB_CCACHE_PATH SMB_VARRUN_DIR "/" SMB_CCACHE_FILE
69 
70 
71 /* Max value length of all SMB properties */
72 #define	MAX_VALUE_BUFLEN	512
73 
74 #define	SMBD_FMRI_PREFIX		"network/smb/server"
75 #define	SMBD_DEFAULT_INSTANCE_FMRI	"svc:/network/smb/server:default"
76 #define	SMBD_PG_NAME			"smbd"
77 #define	SMBD_PROTECTED_PG_NAME		"read"
78 #define	SMBD_EXEC_PG_NAME		"exec"
79 
80 #define	SMBD_SMF_OK		0
81 #define	SMBD_SMF_NO_MEMORY	1	/* no memory for data structures */
82 #define	SMBD_SMF_SYSTEM_ERR	2	/* system error, use errno */
83 #define	SMBD_SMF_NO_PERMISSION	3	/* no permission for operation */
84 #define	SMBD_SMF_INVALID_ARG	4
85 
86 #define	SCH_STATE_UNINIT	0
87 #define	SCH_STATE_INITIALIZING	1
88 #define	SCH_STATE_INIT		2
89 
90 typedef struct smb_scfhandle {
91 	scf_handle_t		*scf_handle;
92 	int			scf_state;
93 	scf_service_t		*scf_service;
94 	scf_scope_t		*scf_scope;
95 	scf_transaction_t	*scf_trans;
96 	scf_transaction_entry_t	*scf_entry;
97 	scf_propertygroup_t	*scf_pg;
98 	scf_instance_t		*scf_instance;
99 	scf_iter_t		*scf_inst_iter;
100 	scf_iter_t		*scf_pg_iter;
101 } smb_scfhandle_t;
102 
103 /*
104  * CIFS Configuration Management
105  */
106 typedef enum {
107 	SMB_CI_VERSION = 0,
108 	SMB_CI_OPLOCK_ENABLE,
109 
110 	SMB_CI_AUTOHOME_MAP,
111 
112 	SMB_CI_DOMAIN_SID,
113 	SMB_CI_DOMAIN_MEMB,
114 	SMB_CI_DOMAIN_NAME,
115 	SMB_CI_DOMAIN_FQDN,
116 	SMB_CI_DOMAIN_FOREST,
117 	SMB_CI_DOMAIN_GUID,
118 	SMB_CI_DOMAIN_SRV,
119 
120 	SMB_CI_WINS_SRV1,
121 	SMB_CI_WINS_SRV2,
122 	SMB_CI_WINS_EXCL,
123 
124 	SMB_CI_MAX_WORKERS,
125 	SMB_CI_MAX_CONNECTIONS,
126 	SMB_CI_KEEPALIVE,
127 	SMB_CI_RESTRICT_ANON,
128 
129 	SMB_CI_SIGNING_ENABLE,
130 	SMB_CI_SIGNING_REQD,
131 
132 	SMB_CI_SYNC_ENABLE,
133 
134 	SMB_CI_SECURITY,
135 	SMB_CI_NETBIOS_ENABLE,
136 	SMB_CI_NBSCOPE,
137 	SMB_CI_SYS_CMNT,
138 	SMB_CI_LM_LEVEL,
139 
140 	SMB_CI_ADS_SITE,
141 
142 	SMB_CI_DYNDNS_ENABLE,
143 
144 	SMB_CI_MACHINE_PASSWD,
145 	SMB_CI_MACHINE_UUID,
146 	SMB_CI_KPASSWD_SRV,
147 	SMB_CI_KPASSWD_DOMAIN,
148 	SMB_CI_KPASSWD_SEQNUM,
149 	SMB_CI_NETLOGON_SEQNUM,
150 	SMB_CI_IPV6_ENABLE,
151 	SMB_CI_PRINT_ENABLE,
152 	SMB_CI_MAP,
153 	SMB_CI_UNMAP,
154 	SMB_CI_DISPOSITION,
155 	SMB_CI_DFS_STDROOT_NUM,
156 	SMB_CI_TRAVERSE_MOUNTS,
157 	SMB_CI_SMB2_ENABLE_OLD, /* obsolete */
158 	SMB_CI_INITIAL_CREDITS,
159 	SMB_CI_MAXIMUM_CREDITS,
160 	SMB_CI_MAX_PROTOCOL,
161 	SMB_CI_ENCRYPT,
162 	SMB_CI_MIN_PROTOCOL,
163 	SMB_CI_BYPASS_TRAVERSE_CHECKING,
164 	SMB_CI_ENCRYPT_CIPHER,
165 
166 	SMB_CI_MAX
167 } smb_cfg_id_t;
168 
169 /* SMF helper functions */
170 extern smb_scfhandle_t *smb_smf_scf_init(char *);
171 extern void smb_smf_scf_fini(smb_scfhandle_t *);
172 extern int smb_smf_start_transaction(smb_scfhandle_t *);
173 extern int smb_smf_end_transaction(smb_scfhandle_t *);
174 extern int smb_smf_set_string_property(smb_scfhandle_t *, char *, char *);
175 extern int smb_smf_get_string_property(smb_scfhandle_t *, char *,
176     char *, size_t);
177 extern int smb_smf_set_integer_property(smb_scfhandle_t *, char *, int64_t);
178 extern int smb_smf_get_integer_property(smb_scfhandle_t *, char *, int64_t *);
179 extern int smb_smf_set_boolean_property(smb_scfhandle_t *, char *, uint8_t);
180 extern int smb_smf_get_boolean_property(smb_scfhandle_t *, char *, uint8_t *);
181 extern int smb_smf_set_opaque_property(smb_scfhandle_t *, char *,
182     void *, size_t);
183 extern int smb_smf_get_opaque_property(smb_scfhandle_t *, char *,
184     void *, size_t);
185 extern int smb_smf_create_service_pgroup(smb_scfhandle_t *, char *);
186 extern int smb_smf_delete_property(smb_scfhandle_t *, char *);
187 extern int smb_smf_restart_service(void);
188 extern int smb_smf_maintenance_mode(void);
189 
190 /* ZFS interface */
191 struct libzfs_handle;
192 int smb_getdataset(struct libzfs_handle *, const char *, char *, size_t);
193 
194 /* Configuration management functions  */
195 extern int smb_config_get(smb_cfg_id_t, char *, int);
196 extern char *smb_config_getname(smb_cfg_id_t);
197 extern int smb_config_getstr(smb_cfg_id_t, char *, int);
198 extern int smb_config_getnum(smb_cfg_id_t, int64_t *);
199 extern boolean_t smb_config_getbool(smb_cfg_id_t);
200 
201 extern int smb_config_set(smb_cfg_id_t, char *);
202 extern int smb_config_setstr(smb_cfg_id_t, char *);
203 extern int smb_config_setnum(smb_cfg_id_t, int64_t);
204 extern int smb_config_setbool(smb_cfg_id_t, boolean_t);
205 
206 extern boolean_t smb_config_get_ads_enable(void);
207 extern int smb_config_get_debug(void);
208 extern uint8_t smb_config_get_fg_flag(void);
209 extern char *smb_config_get_localsid(void);
210 extern int smb_config_get_localuuid(uuid_t);
211 extern int smb_config_secmode_fromstr(char *);
212 extern char *smb_config_secmode_tostr(int);
213 extern int smb_config_get_secmode(void);
214 extern int smb_config_set_secmode(int);
215 extern int smb_config_set_idmap_domain(char *);
216 extern int smb_config_refresh_idmap(void);
217 extern int smb_config_getip(smb_cfg_id_t, smb_inaddr_t *);
218 extern void smb_config_get_version(smb_version_t *);
219 uint32_t smb_config_get_execinfo(char *, char *, size_t);
220 extern void smb_config_get_negtok(uchar_t *, uint32_t *);
221 
222 extern int smb_config_check_protocol(char *);
223 extern uint32_t smb_config_get_max_protocol(void);
224 extern uint32_t smb_config_get_min_protocol(void);
225 extern void smb_config_upgrade(void);
226 extern uint16_t smb31_config_get_encrypt_cipher(void);
227 
228 extern smb_cfg_val_t smb_config_get_require(smb_cfg_id_t);
229 
230 extern void smb_load_kconfig(smb_kmod_cfg_t *kcfg);
231 extern uint32_t smb_crc_gen(uint8_t *, size_t);
232 
233 extern boolean_t smb_match_netlogon_seqnum(void);
234 extern int smb_setdomainprops(char *, char *, char *);
235 extern void smb_update_netlogon_seqnum(void);
236 
237 /* maximum password length on Windows 2000 and above */
238 #define	SMB_PASSWD_MAXLEN	127
239 #define	SMB_USERNAME_MAXLEN	40
240 
241 /* See also: smb_joininfo_xdr() */
242 typedef struct smb_joininfo {
243 	char domain_name[MAXHOSTNAMELEN];
244 	char domain_username[SMB_USERNAME_MAXLEN + 1];
245 	char domain_passwd[SMB_PASSWD_MAXLEN + 1];
246 	uint32_t mode;
247 } smb_joininfo_t;
248 
249 /* See also: smb_joinres_xdr() */
250 typedef struct smb_joinres {
251 	uint32_t status;
252 	int join_err;
253 	char dc_name[MAXHOSTNAMELEN];
254 } smb_joinres_t;
255 
256 /* APIs to communicate with SMB daemon via door calls */
257 int smb_join(smb_joininfo_t *, smb_joinres_t *info);
258 bool_t smb_joininfo_xdr(XDR *, smb_joininfo_t *);
259 bool_t smb_joinres_xdr(XDR *, smb_joinres_t *);
260 boolean_t smb_find_ads_server(char *, char *, int);
261 void smb_notify_dc_changed(void);
262 
263 extern void smb_config_getdomaininfo(char *, char *, char *, char *, char *);
264 extern void smb_config_setdomaininfo(char *, char *, char *, char *, char *);
265 extern uint32_t smb_get_dcinfo(char *, uint32_t, smb_inaddr_t *);
266 
267 /*
268  * buffer context structure. This is used to keep track of the buffer
269  * context.
270  *
271  * basep:  points to the beginning of the buffer
272  * curp:   points to the current offset
273  * endp:   points to the limit of the buffer
274  */
275 typedef struct {
276 	unsigned char *basep;
277 	unsigned char *curp;
278 	unsigned char *endp;
279 } smb_ctxbuf_t;
280 
281 extern int smb_ctxbuf_init(smb_ctxbuf_t *ctx, unsigned char *buf,
282     size_t buflen);
283 extern int smb_ctxbuf_len(smb_ctxbuf_t *ctx);
284 extern int smb_ctxbuf_printf(smb_ctxbuf_t *ctx, const char *fmt, ...);
285 
286 void smb_idmap_check(const char *, idmap_stat);
287 
288 /* Miscellaneous functions */
289 extern void hexdump(unsigned char *, int);
290 extern size_t bintohex(const char *, size_t, char *, size_t);
291 extern size_t hextobin(const char *, size_t, char *, size_t);
292 extern char *strstrip(char *, const char *);
293 extern char *strtrim(char *, const char *);
294 extern char *trim_whitespace(char *);
295 extern void randomize(char *, unsigned);
296 extern void rand_hash(unsigned char *, size_t, unsigned char *, size_t);
297 
298 extern int smb_getdomainname(char *, size_t);
299 extern int smb_getfqdomainname(char *, size_t);
300 
301 typedef enum smb_caseconv {
302 	SMB_CASE_PRESERVE = 0,
303 	SMB_CASE_UPPER,
304 	SMB_CASE_LOWER
305 } smb_caseconv_t;
306 
307 extern int smb_gethostname(char *, size_t, smb_caseconv_t);
308 extern int smb_getfqhostname(char *, size_t);
309 extern int smb_getnetbiosname(char *, size_t);
310 extern struct hostent *smb_gethostbyname(const char *, int *);
311 extern struct hostent *smb_gethostbyaddr(const char *, int, int, int *);
312 
313 #define	SMB_SAMACCT_MAXLEN	(NETBIOS_NAME_SZ + 1)
314 extern int smb_getsamaccount(char *, size_t);
315 
316 extern int smb_get_nameservers(smb_inaddr_t *, int);
317 extern void smb_tonetbiosname(char *, char *, char);
318 
319 extern int smb_chk_hostaccess(smb_inaddr_t *, char *);
320 
321 extern int smb_getnameinfo(smb_inaddr_t *, char *, int, int);
322 
323 void smb_trace(const char *s);
324 void smb_tracef(const char *fmt, ...);
325 
326 const char *xlate_nt_status(unsigned int);
327 
328 void libsmb_redirect_syslog(__FILE_TAG *fp, int priority);
329 
330 /*
331  * Authentication
332  */
333 
334 #define	SMBAUTH_LM_MAGIC_STR	"KGS!@#$%"
335 
336 #define	SMBAUTH_HASH_SZ		16	/* also LM/NTLM/NTLMv2 Hash size */
337 #define	SMBAUTH_LM_RESP_SZ	24	/* also NTLM Response size */
338 #define	SMBAUTH_LM_PWD_SZ	14	/* LM password size */
339 #define	SMBAUTH_CHAL_SZ		 8	/* both LMv2 and NTLMv2 */
340 #define	SMBAUTH_SESSION_KEY_SZ	SMBAUTH_HASH_SZ
341 #define	SMBAUTH_HEXHASH_SZ	(SMBAUTH_HASH_SZ * 2)
342 
343 #define	SMBAUTH_FAILURE		1
344 #define	SMBAUTH_SUCCESS		0
345 #define	MD_DIGEST_LEN		16
346 
347 /*
348  * Name Types
349  *
350  * The list of names near the end of the data blob (i.e. the ndb_names
351  * field of the smb_auth_data_blob_t data structure) can be classify into
352  * the following types:
353  *
354  * 0x0000 Indicates the end of the list.
355  * 0x0001 The name is a NetBIOS machine name (e.g. server name)
356  * 0x0002 The name is an NT Domain NetBIOS name.
357  * 0x0003 The name is the server's DNS hostname.
358  * 0x0004 The name is a W2K Domain name (a DNS name).
359  */
360 #define	SMBAUTH_NAME_TYPE_LIST_END		0x0000
361 #define	SMBAUTH_NAME_TYPE_SERVER_NETBIOS	0x0001
362 #define	SMBAUTH_NAME_TYPE_DOMAIN_NETBIOS	0x0002
363 #define	SMBAUTH_NAME_TYPE_SERVER_DNS		0x0003
364 #define	SMBAUTH_NAME_TYPE_DOMAIN_DNS		0x0004
365 
366 /*
367  * smb_auth_name_entry_t
368  *
369  * Each name entry in the data blob consists of the following 3 fields:
370  *
371  * nne_type - name type
372  * nne_len  - the length of the name
373  * nne_name - the name, in uppercase UCS-2LE Unicode format
374  */
375 typedef struct smb_auth_name_entry {
376 	unsigned short nne_type;
377 	unsigned short nne_len;
378 	smb_wchar_t nne_name[SMB_PI_MAX_DOMAIN * 2];
379 } smb_auth_name_entry_t;
380 
381 /*
382  * smb_auth_data_blob
383  *
384  * The format of this NTLMv2 data blob structure is as follow:
385  *
386  *	- Blob Signature 0x01010000 (4 bytes)
387  * - Reserved (0x00000000) (4 bytes)
388  * - Timestamp Little-endian, 64-bit signed value representing
389  *   the number of tenths of a microsecond since January 1, 1601.
390  *   (8 bytes)
391  * - Client Challenge (8 bytes)
392  * - Unknown1 (4 bytes)
393  * - List of Target Information (variable length)
394  * - Unknown2 (4 bytes)
395  */
396 typedef struct smb_auth_data_blob {
397 	unsigned char ndb_signature[4];
398 	unsigned char ndb_reserved[4];
399 	uint64_t ndb_timestamp;
400 	unsigned char ndb_clnt_challenge[SMBAUTH_CHAL_SZ];
401 	unsigned char ndb_unknown[4];
402 	smb_auth_name_entry_t ndb_names[2];
403 	unsigned char ndb_unknown2[4];
404 } smb_auth_data_blob_t;
405 
406 #define	SMBAUTH_BLOB_MAXLEN (sizeof (smb_auth_data_blob_t))
407 #define	SMBAUTH_CI_MAXLEN   SMBAUTH_LM_RESP_SZ
408 #define	SMBAUTH_CS_MAXLEN   (SMBAUTH_BLOB_MAXLEN + SMBAUTH_HASH_SZ)
409 
410 /*
411  * smb_auth_info_t
412  *
413  * The structure contains all the authentication information
414  * needed for the preparaton of the SMBSessionSetupAndx request
415  * and the user session key.
416  *
417  * hash      - NTLM hash
418  * hash_v2   - NTLMv2 hash
419  * ci_len    - the length of the case-insensitive password
420  * ci        - case-insensitive password
421  *             (If NTLMv2 authentication mechanism is used, it
422  *              represents the LMv2 response. Otherwise, it
423  *              is empty.)
424  * cs_len    - the length of the case-sensitive password
425  * cs        - case-sensitive password
426  *             (If NTLMv2 authentication mechanism is used, it
427  *              represents the NTLMv2 response. Otherwise, it
428  *              represents the NTLM response.)
429  * data_blob - NTLMv2 data blob
430  */
431 typedef struct smb_auth_info {
432 	unsigned char hash[SMBAUTH_HASH_SZ];
433 	unsigned char hash_v2[SMBAUTH_HASH_SZ];
434 	unsigned short ci_len;
435 	unsigned char ci[SMBAUTH_CI_MAXLEN];
436 	unsigned short cs_len;
437 	unsigned char cs[SMBAUTH_CS_MAXLEN];
438 	int lmcompatibility_lvl;
439 	smb_auth_data_blob_t data_blob;
440 } smb_auth_info_t;
441 
442 /*
443  * SMB password management
444  */
445 
446 #define	SMB_PWF_LM	0x01	/* LM hash is present */
447 #define	SMB_PWF_NT	0x02	/* NT hash is present */
448 #define	SMB_PWF_DISABLE	0x04	/* Account is disabled */
449 
450 typedef struct smb_passwd {
451 	uid_t		pw_uid;
452 	uint32_t	pw_flags;
453 	char		pw_name[SMB_USERNAME_MAXLEN];
454 	uint8_t		pw_lmhash[SMBAUTH_HASH_SZ];
455 	uint8_t		pw_nthash[SMBAUTH_HASH_SZ];
456 } smb_passwd_t;
457 
458 /*
459  * Control flags passed to smb_pwd_setcntl
460  */
461 #define	SMB_PWC_DISABLE	0x01
462 #define	SMB_PWC_ENABLE	0x02
463 #define	SMB_PWC_NOLM	0x04
464 #define	SMB_PWC_DELETE	0x08
465 
466 #define	SMB_PWE_SUCCESS		0
467 #define	SMB_PWE_USER_UNKNOWN	1
468 #define	SMB_PWE_USER_DISABLE	2
469 #define	SMB_PWE_CLOSE_FAILED	3
470 #define	SMB_PWE_OPEN_FAILED	4
471 #define	SMB_PWE_WRITE_FAILED	6
472 #define	SMB_PWE_UPDATE_FAILED	7
473 #define	SMB_PWE_STAT_FAILED	8
474 #define	SMB_PWE_BUSY		9
475 #define	SMB_PWE_DENIED		10
476 #define	SMB_PWE_SYSTEM_ERROR	11
477 #define	SMB_PWE_INVALID_PARAM	12
478 #define	SMB_PWE_NO_MEMORY	13
479 #define	SMB_PWE_MAX		14
480 
481 typedef struct smb_pwditer {
482 	void *spi_next;
483 } smb_pwditer_t;
484 
485 typedef struct smb_luser {
486 	char *su_name;
487 	char *su_fullname;
488 	char *su_desc;
489 	uint32_t su_rid;
490 	uint32_t su_ctrl;
491 } smb_luser_t;
492 
493 extern void smb_pwd_init(boolean_t);
494 extern void smb_pwd_fini(void);
495 extern smb_passwd_t *smb_pwd_getpwnam(const char *, smb_passwd_t *);
496 extern smb_passwd_t *smb_pwd_getpwuid(uid_t, smb_passwd_t *);
497 extern int smb_pwd_setpasswd(const char *, const char *);
498 extern int smb_pwd_setcntl(const char *, int);
499 
500 extern int smb_pwd_iteropen(smb_pwditer_t *);
501 extern smb_luser_t *smb_pwd_iterate(smb_pwditer_t *);
502 extern void smb_pwd_iterclose(smb_pwditer_t *);
503 
504 extern int smb_auth_qnd_unicode(smb_wchar_t *, const char *, int);
505 extern int smb_auth_hmac_md5(unsigned char *, int, unsigned char *, int,
506     unsigned char *);
507 
508 /*
509  * A variation on HMAC-MD5 known as HMACT64 is used by Windows systems.
510  * The HMACT64() function is the same as the HMAC-MD5() except that
511  * it truncates the input key to 64 bytes rather than hashing it down
512  * to 16 bytes using the MD5() function.
513  */
514 #define	SMBAUTH_HMACT64(D, Ds, K, Ks, digest) \
515 	smb_auth_hmac_md5(D, Ds, K, (Ks > 64) ? 64 : Ks, digest)
516 
517 extern int smb_auth_DES(unsigned char *, int, unsigned char *, int,
518     unsigned char *, int);
519 extern int smb_auth_RC4(unsigned char *, int, unsigned char *, int,
520     unsigned char *, int);
521 
522 extern int smb_auth_md4(unsigned char *, unsigned char *, int);
523 extern int smb_auth_lm_hash(const char *, unsigned char *);
524 extern int smb_auth_ntlm_hash(const char *, unsigned char *);
525 extern void smb_auth_ntlm2_mkchallenge(char *, const char *, const char *);
526 extern void smb_auth_ntlm2_kxkey(unsigned char *, const char *, const char *,
527     unsigned char *);
528 
529 extern int smb_auth_set_info(char *, char *,
530     unsigned char *, char *, unsigned char *,
531     int, int, smb_auth_info_t *);
532 
533 extern int smb_auth_ntlmv2_hash(unsigned char *,
534 	char *, char *, unsigned char *);
535 
536 boolean_t smb_auth_validate(smb_passwd_t *, char *, char *,
537     uchar_t *, uint_t, uchar_t *, uint_t, uchar_t *, uint_t, uchar_t *);
538 
539 int smb_gen_random_passwd(char *passwd, size_t bufsz);
540 
541 /*
542  * SMB authenticated IPC
543  */
544 extern void smb_ipc_commit(void);
545 extern void smb_ipc_get_user(char *, size_t);
546 extern void smb_ipc_get_passwd(uint8_t *, size_t);
547 extern void smb_ipc_init(void);
548 extern void smb_ipc_rollback(void);
549 extern void smb_ipc_set(char *, uint8_t *);
550 
551 /*
552  * Signing flags:
553  *
554  * SMB_SCF_ENABLE                 Signing is enabled.
555  *
556  * SMB_SCF_REQUIRED               Signing is enabled and required.
557  *                                This flag shouldn't be set if
558  *                                SMB_SCF_ENABLE isn't set.
559  *
560  * SMB_SCF_STARTED                Signing will start after receiving
561  *                                the first non-anonymous SessionSetup
562  *                                request.
563  *
564  * SMB_SCF_KEY_ISSET_THIS_LOGON   Indicates whether the MAC key has just
565  *                                been set for this logon. (prior to
566  *                                sending the SMBSessionSetup request)
567  *
568  */
569 #define	SMB_SCF_ENABLE		0x01
570 #define	SMB_SCF_REQUIRED	0x02
571 #define	SMB_SCF_STARTED		0x04
572 #define	SMB_SCF_KEY_ISSET_THIS_LOGON	0x08
573 
574 /*
575  * Each domain is categorized using the enum values below.
576  * The local domain refers to the local machine and is named
577  * after the local hostname. The primary domain is the domain
578  * that the system joined. All other domains are either
579  * trusted or untrusted, as defined by the primary domain PDC.
580  */
581 typedef enum smb_domain_type {
582 	SMB_DOMAIN_NULL,
583 	SMB_DOMAIN_BUILTIN,
584 	SMB_DOMAIN_LOCAL,
585 	SMB_DOMAIN_PRIMARY,
586 	SMB_DOMAIN_ACCOUNT,
587 	SMB_DOMAIN_TRUSTED,
588 	SMB_DOMAIN_UNTRUSTED,
589 	SMB_DOMAIN_NUM_TYPES
590 } smb_domain_type_t;
591 
592 /*
593  * Information specific to trusted domains
594  */
595 typedef struct smb_domain_trust {
596 	uint32_t		dti_trust_direction;
597 	uint32_t		dti_trust_type;
598 	uint32_t		dti_trust_attrs;
599 } smb_domain_trust_t;
600 
601 /*
602  * DNS information for domain types that this info is
603  * obtained/available. Currently this is only obtained
604  * for the primary domain.
605  */
606 typedef struct smb_domain_dns {
607 	char			ddi_forest[MAXHOSTNAMELEN];
608 	char			ddi_guid[UUID_PRINTABLE_STRING_LENGTH];
609 } smb_domain_dns_t;
610 
611 /*
612  * This is the information that is held about each domain.
613  */
614 typedef struct smb_domain {
615 	list_node_t		di_lnd;
616 	smb_domain_type_t	di_type;
617 	char			di_sid[SMB_SID_STRSZ];
618 	char			di_nbname[NETBIOS_NAME_SZ];
619 	char			di_fqname[MAXHOSTNAMELEN];
620 	smb_sid_t		*di_binsid;
621 	union {
622 		smb_domain_dns_t	di_dns;
623 		smb_domain_trust_t	di_trust;
624 	} di_u;
625 } smb_domain_t;
626 
627 typedef struct smb_trusted_domains {
628 	uint32_t	td_num;
629 	smb_domain_t	*td_domains;
630 } smb_trusted_domains_t;
631 
632 #define	SMB_DOMAIN_SUCCESS		0
633 #define	SMB_DOMAIN_NOMACHINE_SID	1
634 #define	SMB_DOMAIN_NODOMAIN_SID		2
635 #define	SMB_DOMAIN_NODOMAIN_NAME	3
636 #define	SMB_DOMAIN_INTERNAL_ERR		4
637 #define	SMB_DOMAIN_INVALID_ARG		5
638 #define	SMB_DOMAIN_NO_MEMORY		6
639 #define	SMB_DOMAIN_NO_CACHE		7
640 
641 typedef struct smb_dcinfo {
642 	char			dc_name[MAXHOSTNAMELEN];
643 	smb_inaddr_t		dc_addr;
644 	uint32_t		dc_flags;
645 } smb_dcinfo_t;
646 
647 /*
648  * This structure could contain information about
649  * the primary domain the name of selected domain controller
650  * for the primary domain and a list of trusted domains if
651  * any. The "ex" in the structure name stands for extended.
652  * This is to differentiate this structure from smb_domain_t
653  * which only contains information about a single domain.
654  */
655 typedef struct smb_domainex {
656 	smb_dcinfo_t		d_dci;
657 	smb_domain_t		d_primary;
658 	smb_trusted_domains_t	d_trusted;
659 } smb_domainex_t;
660 
661 int smb_domain_init(uint32_t);
662 void smb_domain_fini(void);
663 void smb_domain_show(void);
664 void smb_domain_save(void);
665 boolean_t smb_domain_lookup_name(char *, smb_domain_t *);
666 boolean_t smb_domain_lookup_sid(smb_sid_t *, smb_domain_t *);
667 boolean_t smb_domain_lookup_type(smb_domain_type_t, smb_domain_t *);
668 boolean_t smb_domain_getinfo(smb_domainex_t *);
669 void smb_domain_update(smb_domainex_t *);
670 uint32_t smb_domain_start_update(void);
671 void smb_domain_end_update(void);
672 void smb_domain_set_basic_info(char *, char *, char *, smb_domain_t *);
673 void smb_domain_set_dns_info(char *, char *, char *, char *, char *,
674     smb_domain_t *);
675 void smb_domain_set_trust_info(char *, char *, char *,
676     uint32_t, uint32_t, uint32_t, smb_domain_t *);
677 void smb_domain_current_dc(smb_dcinfo_t *);
678 void smb_domain_bad_dc(void);
679 
680 typedef struct smb_gsid {
681 	smb_sid_t *gs_sid;
682 	uint16_t gs_type;
683 } smb_gsid_t;
684 
685 struct sqlite_vm;
686 struct sqlite;
687 
688 typedef struct smb_giter {
689 	struct sqlite_vm	*sgi_vm;
690 	struct sqlite		*sgi_db;
691 	uint32_t		sgi_nerr;
692 } smb_giter_t;
693 
694 typedef struct smb_group {
695 	char			*sg_name;
696 	char			*sg_cmnt;
697 	uint32_t		sg_attr;
698 	uint32_t		sg_rid;
699 	smb_gsid_t		sg_id;
700 	smb_domain_type_t	sg_domain;
701 	smb_privset_t		*sg_privs;
702 	uint32_t		sg_nmembers;
703 	smb_gsid_t		*sg_members;
704 } smb_group_t;
705 
706 int smb_lgrp_start(void);
707 void smb_lgrp_stop(void);
708 int smb_lgrp_add(char *, char *);
709 int smb_lgrp_rename(char *, char *);
710 int smb_lgrp_delete(char *);
711 int smb_lgrp_setcmnt(char *, char *);
712 int smb_lgrp_getcmnt(char *, char **);
713 int smb_lgrp_getpriv(char *, uint8_t, boolean_t *);
714 int smb_lgrp_setpriv(char *, uint8_t, boolean_t);
715 int smb_lgrp_add_member(char *, smb_sid_t *, uint16_t);
716 int smb_lgrp_del_member(char *, smb_sid_t *, uint16_t);
717 int smb_lgrp_getbyname(char *, smb_group_t *);
718 int smb_lgrp_getbyrid(uint32_t, smb_domain_type_t, smb_group_t *);
719 void smb_lgrp_free(smb_group_t *);
720 uint32_t smb_lgrp_err_to_ntstatus(uint32_t);
721 boolean_t smb_lgrp_is_member(smb_group_t *, smb_sid_t *);
722 char *smb_lgrp_strerror(int);
723 int smb_lgrp_iteropen(smb_giter_t *);
724 void smb_lgrp_iterclose(smb_giter_t *);
725 boolean_t smb_lgrp_itererror(smb_giter_t *);
726 int smb_lgrp_iterate(smb_giter_t *, smb_group_t *);
727 
728 int smb_lookup_sid(const char *, lsa_account_t *);
729 int smb_lookup_lsid(const char *, lsa_account_t *);
730 int smb_lookup_name(const char *, sid_type_t, lsa_account_t *);
731 int smb_lookup_lname(const char *, sid_type_t, lsa_account_t *);
732 
733 #define	SMB_LGRP_SUCCESS		0
734 #define	SMB_LGRP_INVALID_ARG		1
735 #define	SMB_LGRP_INVALID_MEMBER		2
736 #define	SMB_LGRP_INVALID_NAME		3
737 #define	SMB_LGRP_NOT_FOUND		4
738 #define	SMB_LGRP_EXISTS			5
739 #define	SMB_LGRP_NO_SID			6
740 #define	SMB_LGRP_NO_LOCAL_SID		7
741 #define	SMB_LGRP_SID_NOTLOCAL		8
742 #define	SMB_LGRP_WKSID			9
743 #define	SMB_LGRP_NO_MEMORY		10
744 #define	SMB_LGRP_DB_ERROR		11
745 #define	SMB_LGRP_DBINIT_ERROR		12
746 #define	SMB_LGRP_INTERNAL_ERROR		13
747 #define	SMB_LGRP_MEMBER_IN_GROUP	14
748 #define	SMB_LGRP_MEMBER_NOT_IN_GROUP	15
749 #define	SMB_LGRP_NO_SUCH_PRIV		16
750 #define	SMB_LGRP_NO_SUCH_DOMAIN		17
751 #define	SMB_LGRP_PRIV_HELD		18
752 #define	SMB_LGRP_PRIV_NOT_HELD		19
753 #define	SMB_LGRP_BAD_DATA		20
754 #define	SMB_LGRP_NO_MORE		21
755 #define	SMB_LGRP_DBOPEN_FAILED		22
756 #define	SMB_LGRP_DBEXEC_FAILED		23
757 #define	SMB_LGRP_DBINIT_FAILED		24
758 #define	SMB_LGRP_DOMLKP_FAILED		25
759 #define	SMB_LGRP_DOMINS_FAILED		26
760 #define	SMB_LGRP_INSERT_FAILED		27
761 #define	SMB_LGRP_DELETE_FAILED		28
762 #define	SMB_LGRP_UPDATE_FAILED		29
763 #define	SMB_LGRP_LOOKUP_FAILED		30
764 #define	SMB_LGRP_NOT_SUPPORTED		31
765 #define	SMB_LGRP_OFFLINE		32
766 #define	SMB_LGRP_POSIXCREATE_FAILED	33
767 
768 #define	SMB_LGRP_COMMENT_MAX	256
769 
770 /*
771  * values for smb_nic_t.smbflags
772  */
773 #define	SMB_NICF_NBEXCL		0x01	/* Excluded from Netbios activities */
774 #define	SMB_NICF_ALIAS		0x02	/* This is an alias */
775 
776 /*
777  * smb_nic_t
778  *     nic_host		actual host name
779  *     nic_nbname	16-byte NetBIOS host name
780  */
781 typedef struct {
782 	char		nic_host[MAXHOSTNAMELEN];
783 	char		nic_nbname[NETBIOS_NAME_SZ];
784 	char		nic_cmnt[SMB_PI_MAX_COMMENT];
785 	char		nic_ifname[LIFNAMSIZ];
786 	smb_inaddr_t	nic_ip;
787 	uint32_t	nic_mask;
788 	uint32_t	nic_bcast;
789 	uint32_t	nic_smbflags;
790 	uint64_t	nic_sysflags;
791 } smb_nic_t;
792 
793 typedef struct smb_niciter {
794 	smb_nic_t ni_nic;
795 	int ni_cookie;
796 	int ni_seqnum;
797 } smb_niciter_t;
798 
799 /* NIC config functions */
800 int smb_nic_init(void);
801 void smb_nic_fini(void);
802 int smb_nic_getnum(char *);
803 int smb_nic_addhost(const char *, const char *, int, const char **);
804 int smb_nic_delhost(const char *);
805 int smb_nic_getfirst(smb_niciter_t *);
806 int smb_nic_getnext(smb_niciter_t *);
807 boolean_t smb_nic_is_local(smb_inaddr_t *);
808 boolean_t smb_nic_is_same_subnet(smb_inaddr_t *);
809 
810 #define	SMB_NIC_SUCCESS			0
811 #define	SMB_NIC_INVALID_ARG		1
812 #define	SMB_NIC_NOT_FOUND		2
813 #define	SMB_NIC_NO_HOST			3
814 #define	SMB_NIC_NO_MEMORY		4
815 #define	SMB_NIC_DB_ERROR		5
816 #define	SMB_NIC_DBINIT_ERROR		6
817 #define	SMB_NIC_BAD_DATA		7
818 #define	SMB_NIC_NO_MORE			8
819 #define	SMB_NIC_DBOPEN_FAILED		9
820 #define	SMB_NIC_DBEXEC_FAILED		10
821 #define	SMB_NIC_DBINIT_FAILED		11
822 #define	SMB_NIC_INSERT_FAILED		12
823 #define	SMB_NIC_DELETE_FAILED		13
824 #define	SMB_NIC_SOCK			14
825 #define	SMB_NIC_IOCTL			15
826 #define	SMB_NIC_CHANGED			16
827 
828 /*
829  * Well-known account structure
830  *
831  * A security identifier (SID) is a unique value of variable length that
832  * is used to identify a security principal or security group in
833  * Windows. Well-known SIDs are a group of SIDs that identify generic
834  * users or generic groups. Their values remain constant across all
835  * operating systems.
836  *
837  * This structure is defined to store these SIDs and other related
838  * information about them (e.g. account and domain names) in a
839  * predefined table.
840  */
841 typedef struct smb_wka {
842 	uint8_t		wka_domidx;
843 	char		*wka_sid;
844 	char		*wka_name;
845 	uint16_t	wka_type;
846 	uint16_t	wka_flags;
847 	char		*wka_desc;
848 	smb_sid_t	*wka_binsid;
849 } smb_wka_t;
850 
851 /*
852  * Defined values for smb_wka.wka_flags
853  *
854  * SMB_WKAFLG_LGRP_ENABLE		Can be added as local group
855  */
856 #define	SMB_WKAFLG_LGRP_ENABLE	0x1
857 
858 /*
859  * Well-known account interfaces
860  */
861 smb_wka_t *smb_wka_lookup_builtin(const char *);
862 smb_wka_t *smb_wka_lookup_name(const char *);
863 smb_wka_t *smb_wka_lookup_sid(smb_sid_t *);
864 smb_sid_t *smb_wka_get_sid(const char *);
865 char *smb_wka_get_domain(int);
866 uint32_t smb_wka_token_groups(uint32_t, smb_ids_t *);
867 
868 /*
869  * In memory account representation
870  */
871 typedef struct smb_account {
872 	char		*a_name;
873 	char		*a_domain;
874 	uint16_t	a_type;
875 	smb_sid_t	*a_sid;
876 	smb_sid_t	*a_domsid;
877 	uint32_t	a_rid;
878 	uint32_t	a_flags;
879 } smb_account_t;
880 
881 uint32_t smb_sam_lookup_name(char *, char *, uint16_t, smb_account_t *);
882 uint32_t smb_sam_lookup_sid(smb_sid_t *, smb_account_t *);
883 int smb_sam_usr_cnt(void);
884 uint32_t smb_sam_usr_groups(smb_sid_t *, smb_ids_t *);
885 int smb_sam_grp_cnt(smb_domain_type_t);
886 void smb_account_free(smb_account_t *);
887 boolean_t smb_account_validate(smb_account_t *);
888 
889 /*
890  * Security Descriptor functions.
891  */
892 uint32_t smb_sd_read(char *path, smb_sd_t *, uint32_t);
893 uint32_t smb_sd_write(char *path, smb_sd_t *, uint32_t);
894 uint32_t smb_sd_fromfs(smb_fssd_t *, smb_sd_t *);
895 
896 /* Kernel Module Interface */
897 int smb_kmod_bind(void);
898 boolean_t smb_kmod_isbound(void);
899 int smb_kmod_setcfg(smb_kmod_cfg_t *);
900 int smb_kmod_setgmtoff(int32_t);
901 int smb_kmod_start(int, int, int);
902 void smb_kmod_stop(void);
903 int smb_kmod_event_notify(uint32_t);
904 void smb_kmod_unbind(void);
905 int smb_kmod_share(nvlist_t *);
906 int smb_kmod_unshare(nvlist_t *);
907 int smb_kmod_shareinfo(char *, boolean_t *);
908 int smb_kmod_get_open_num(smb_opennum_t *);
909 int smb_kmod_enum(smb_netsvc_t *);
910 smb_netsvc_t *smb_kmod_enum_init(smb_svcenum_t *);
911 void smb_kmod_enum_fini(smb_netsvc_t *);
912 int smb_kmod_session_close(const char *, const char *);
913 int smb_kmod_file_close(uint32_t);
914 int smb_kmod_get_spool_doc(uint32_t *, char *, char *, smb_inaddr_t *);
915 
916 void smb_name_parse(char *, char **, char **);
917 uint32_t smb_name_validate_share(const char *);
918 uint32_t smb_name_validate_account(const char *);
919 uint32_t smb_name_validate_domain(const char *);
920 uint32_t smb_name_validate_nbdomain(const char *);
921 uint32_t smb_name_validate_workgroup(const char *);
922 uint32_t smb_name_validate_rpath(const char *);
923 
924 /*
925  * Interposer library validation
926  */
927 #define	SMBEX_VERSION	1
928 #define	SMBEX_KEY	"82273fdc-e32a-18c3-3f78-827929dc23ea"
929 typedef struct smbex_version {
930 	uint32_t v_version;
931 	uuid_t v_uuid;
932 } smbex_version_t;
933 void *smb_dlopen(void);
934 void smb_dlclose(void *);
935 
936 /*
937  * General purpose multi-thread safe cache based on
938  * AVL tree
939  */
940 typedef struct smb_cache {
941 	avl_tree_t	ch_cache;
942 	rwlock_t	ch_cache_lck;
943 	uint32_t	ch_state;
944 	uint32_t	ch_nops;
945 	uint32_t	ch_wait;
946 	uint32_t	ch_sequence;
947 	size_t		ch_datasz;
948 	mutex_t		ch_mtx;
949 	cond_t		ch_cv;
950 	void		(*ch_free)(void *);
951 	void		(*ch_copy)(const void *, void *, size_t);
952 } smb_cache_t;
953 
954 typedef struct smb_cache_node {
955 	avl_node_t	cn_link;
956 	void		*cn_data;
957 } smb_cache_node_t;
958 
959 typedef struct smb_cache_cursor {
960 	void		*cc_next;
961 	uint32_t	cc_sequence;
962 } smb_cache_cursor_t;
963 
964 /*
965  * flags used with smb_cache_add()
966  *
967  * SMB_CACHE_ADD	If object doesn't exist add, otherwise fail
968  * SMB_CACHE_REPLACE	If object doesn't exist add, otherwise replace
969  */
970 #define	SMB_CACHE_ADD		1
971 #define	SMB_CACHE_REPLACE	2
972 
973 void smb_cache_create(smb_cache_t *, uint32_t,
974     int (*cmpfn) (const void *, const void *), void (*freefn)(void *),
975     void (*copyfn)(const void *, void *, size_t), size_t);
976 void smb_cache_destroy(smb_cache_t *);
977 void smb_cache_flush(smb_cache_t *);
978 uint32_t smb_cache_num(smb_cache_t *);
979 int smb_cache_refreshing(smb_cache_t *);
980 void smb_cache_ready(smb_cache_t *);
981 int smb_cache_add(smb_cache_t *, const void *, int);
982 void smb_cache_remove(smb_cache_t *, const void *);
983 void smb_cache_iterinit(smb_cache_t *, smb_cache_cursor_t *);
984 boolean_t smb_cache_iterate(smb_cache_t *, smb_cache_cursor_t *, void *);
985 
986 /*
987  * Values returned by smb_reparse_stat()
988  */
989 #define	SMB_REPARSE_NOTFOUND	1	/* object does not exist */
990 #define	SMB_REPARSE_NOTREPARSE	2	/* object is NOT a reparse point */
991 #define	SMB_REPARSE_ISREPARSE	3	/* object is a reparse point */
992 
993 /*
994  * Reparse Point API
995  */
996 int smb_reparse_stat(const char *, uint32_t *);
997 int smb_reparse_svcadd(const char *, const char *, const char *);
998 int smb_reparse_svcdel(const char *, const char *);
999 int smb_reparse_svcget(const char *, const char *, char **);
1000 
1001 uint32_t smb_get_txid(void);
1002 
1003 void smb_syslog(int, const char *, ...);
1004 void smb_vsyslog(int, const char *, va_list ap);
1005 char *smb_syslog_fmt_m(char *, int, const char *, int);
1006 
1007 #ifdef	__cplusplus
1008 }
1009 #endif
1010 
1011 #endif	/* _LIBSMB_H */
1012