xref: /illumos-gate/usr/src/lib/smbsrv/libsmb/common/libsmb.h (revision a4955f4fa65e38d70c07d38e657a9aff43fa155f)
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 2020 Tintri by DDN, Inc. All rights reserved.
25  * Copyright 2022 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 	SMB_CI_NETLOGON_FLAGS,
166 	SMB_CI_SHORT_NAMES,
167 
168 	SMB_CI_MAX
169 } smb_cfg_id_t;
170 
171 /* SMF helper functions */
172 extern smb_scfhandle_t *smb_smf_scf_init(char *);
173 extern void smb_smf_scf_fini(smb_scfhandle_t *);
174 extern int smb_smf_start_transaction(smb_scfhandle_t *);
175 extern int smb_smf_end_transaction(smb_scfhandle_t *);
176 extern int smb_smf_set_string_property(smb_scfhandle_t *, char *, char *);
177 extern int smb_smf_get_string_property(smb_scfhandle_t *, char *,
178     char *, size_t);
179 extern int smb_smf_set_integer_property(smb_scfhandle_t *, char *, int64_t);
180 extern int smb_smf_get_integer_property(smb_scfhandle_t *, char *, int64_t *);
181 extern int smb_smf_set_boolean_property(smb_scfhandle_t *, char *, uint8_t);
182 extern int smb_smf_get_boolean_property(smb_scfhandle_t *, char *, uint8_t *);
183 extern int smb_smf_set_opaque_property(smb_scfhandle_t *, char *,
184     void *, size_t);
185 extern int smb_smf_get_opaque_property(smb_scfhandle_t *, char *,
186     void *, size_t);
187 extern int smb_smf_create_service_pgroup(smb_scfhandle_t *, char *);
188 extern int smb_smf_delete_property(smb_scfhandle_t *, char *);
189 extern int smb_smf_restart_service(void);
190 extern int smb_smf_maintenance_mode(void);
191 
192 /* ZFS interface */
193 struct libzfs_handle;
194 int smb_getdataset(struct libzfs_handle *, const char *, char *, size_t);
195 
196 /* Configuration management functions  */
197 extern int smb_config_get(smb_cfg_id_t, char *, int);
198 extern char *smb_config_getname(smb_cfg_id_t);
199 extern int smb_config_getstr(smb_cfg_id_t, char *, int);
200 extern int smb_config_getnum(smb_cfg_id_t, int64_t *);
201 extern boolean_t smb_config_getbool(smb_cfg_id_t);
202 
203 extern int smb_config_set(smb_cfg_id_t, char *);
204 extern int smb_config_setstr(smb_cfg_id_t, char *);
205 extern int smb_config_setnum(smb_cfg_id_t, int64_t);
206 extern int smb_config_setbool(smb_cfg_id_t, boolean_t);
207 
208 extern boolean_t smb_config_get_ads_enable(void);
209 extern int smb_config_get_debug(void);
210 extern uint8_t smb_config_get_fg_flag(void);
211 extern char *smb_config_get_localsid(void);
212 extern int smb_config_get_localuuid(uuid_t);
213 extern int smb_config_secmode_fromstr(char *);
214 extern char *smb_config_secmode_tostr(int);
215 extern int smb_config_get_secmode(void);
216 extern int smb_config_set_secmode(int);
217 extern int smb_config_set_idmap_domain(char *);
218 extern int smb_config_refresh_idmap(void);
219 extern int smb_config_getip(smb_cfg_id_t, smb_inaddr_t *);
220 extern void smb_config_get_version(smb_version_t *);
221 uint32_t smb_config_get_execinfo(char *, char *, size_t);
222 extern void smb_config_get_negtok(uchar_t *, uint32_t *);
223 
224 extern uint32_t smb_config_get_max_protocol(void);
225 extern uint32_t smb_config_get_min_protocol(void);
226 extern uint32_t smb_convert_version_str(const char *);
227 extern void smb_config_upgrade(void);
228 extern uint16_t smb31_config_get_encrypt_cipher(void);
229 
230 extern smb_cfg_val_t smb_config_get_require(smb_cfg_id_t);
231 
232 extern void smb_load_kconfig(smb_kmod_cfg_t *kcfg);
233 extern uint32_t smb_crc_gen(uint8_t *, size_t);
234 
235 extern boolean_t smb_match_netlogon_seqnum(void);
236 extern int smb_setdomainprops(char *, char *, char *);
237 extern void smb_update_netlogon_seqnum(void);
238 
239 /* maximum password length on Windows 2000 and above */
240 #define	SMB_PASSWD_MAXLEN	127
241 #define	SMB_USERNAME_MAXLEN	40
242 
243 /* See also: smb_joininfo_xdr() */
244 typedef struct smb_joininfo {
245 	uint32_t mode;
246 	char domain_name[MAXHOSTNAMELEN];
247 	char container_name[MAXHOSTNAMELEN];
248 	char domain_username[SMB_USERNAME_MAXLEN + 1];
249 	char domain_passwd[SMB_PASSWD_MAXLEN + 1];
250 } smb_joininfo_t;
251 
252 /* See also: smb_joinres_xdr() */
253 typedef struct smb_joinres {
254 	uint32_t status;
255 	int join_err;
256 	char dc_name[MAXHOSTNAMELEN];
257 } smb_joinres_t;
258 
259 /* APIs to communicate with SMB daemon via door calls */
260 int smb_join(smb_joininfo_t *, smb_joinres_t *info);
261 bool_t smb_joininfo_xdr(XDR *, smb_joininfo_t *);
262 bool_t smb_joinres_xdr(XDR *, smb_joinres_t *);
263 boolean_t smb_find_ads_server(char *, char *, int);
264 int smb_notify_dc_changed(void);
265 
266 extern void smb_config_getdomaininfo(char *, char *, char *, char *, char *);
267 extern void smb_config_setdomaininfo(char *, char *, char *, char *, char *);
268 extern uint32_t smb_get_dcinfo(char *, uint32_t, smb_inaddr_t *);
269 
270 /*
271  * buffer context structure. This is used to keep track of the buffer
272  * context.
273  *
274  * basep:  points to the beginning of the buffer
275  * curp:   points to the current offset
276  * endp:   points to the limit of the buffer
277  */
278 typedef struct {
279 	unsigned char *basep;
280 	unsigned char *curp;
281 	unsigned char *endp;
282 } smb_ctxbuf_t;
283 
284 extern int smb_ctxbuf_init(smb_ctxbuf_t *ctx, unsigned char *buf,
285     size_t buflen);
286 extern int smb_ctxbuf_len(smb_ctxbuf_t *ctx);
287 extern int smb_ctxbuf_printf(smb_ctxbuf_t *ctx, const char *fmt, ...);
288 
289 void smb_idmap_check(const char *, idmap_stat);
290 
291 /* Miscellaneous functions */
292 extern void hexdump(unsigned char *, int);
293 extern size_t bintohex(const char *, size_t, char *, size_t);
294 extern size_t hextobin(const char *, size_t, char *, size_t);
295 extern char *strstrip(char *, const char *);
296 extern char *strtrim(char *, const char *);
297 extern char *trim_whitespace(char *);
298 extern void randomize(char *, unsigned);
299 extern void rand_hash(unsigned char *, size_t, unsigned char *, size_t);
300 
301 extern int smb_getdomainname(char *, size_t);
302 extern int smb_getfqdomainname(char *, size_t);
303 
304 typedef enum smb_caseconv {
305 	SMB_CASE_PRESERVE = 0,
306 	SMB_CASE_UPPER,
307 	SMB_CASE_LOWER
308 } smb_caseconv_t;
309 
310 extern int smb_gethostname(char *, size_t, smb_caseconv_t);
311 extern int smb_getfqhostname(char *, size_t);
312 extern int smb_getnetbiosname(char *, size_t);
313 extern struct hostent *smb_gethostbyname(const char *, int *);
314 extern struct hostent *smb_gethostbyaddr(const char *, int, int, int *);
315 
316 #define	SMB_SAMACCT_MAXLEN	(NETBIOS_NAME_SZ + 1)
317 extern int smb_getsamaccount(char *, size_t);
318 
319 extern int smb_get_nameservers(smb_inaddr_t *, int);
320 extern void smb_tonetbiosname(char *, char *, char);
321 
322 extern int smb_chk_hostaccess(smb_inaddr_t *, char *);
323 
324 extern int smb_getnameinfo(smb_inaddr_t *, char *, int, int);
325 
326 extern uint32_t smb_get_netlogon_flags(void);
327 
328 void smb_trace(const char *s);
329 void smb_tracef(const char *fmt, ...);
330 
331 const char *xlate_nt_status(unsigned int);
332 
333 void libsmb_redirect_syslog(__FILE_TAG *fp, int priority);
334 
335 /*
336  * Authentication
337  */
338 
339 #define	SMBAUTH_LM_MAGIC_STR	"KGS!@#$%"
340 
341 #define	SMBAUTH_HASH_SZ		16	/* also LM/NTLM/NTLMv2 Hash size */
342 #define	SMBAUTH_LM_RESP_SZ	24	/* also NTLM Response size */
343 #define	SMBAUTH_LM_PWD_SZ	14	/* LM password size */
344 #define	SMBAUTH_CHAL_SZ		 8	/* both LMv2 and NTLMv2 */
345 #define	SMBAUTH_SESSION_KEY_SZ	SMBAUTH_HASH_SZ
346 #define	SMBAUTH_HEXHASH_SZ	(SMBAUTH_HASH_SZ * 2)
347 
348 #define	SMBAUTH_RETRY		2
349 #define	SMBAUTH_FAILURE		1
350 #define	SMBAUTH_SUCCESS		0
351 #define	MD_DIGEST_LEN		16
352 
353 /*
354  * Name Types
355  *
356  * The list of names near the end of the data blob (i.e. the ndb_names
357  * field of the smb_auth_data_blob_t data structure) can be classify into
358  * the following types:
359  *
360  * 0x0000 Indicates the end of the list.
361  * 0x0001 The name is a NetBIOS machine name (e.g. server name)
362  * 0x0002 The name is an NT Domain NetBIOS name.
363  * 0x0003 The name is the server's DNS hostname.
364  * 0x0004 The name is a W2K Domain name (a DNS name).
365  */
366 #define	SMBAUTH_NAME_TYPE_LIST_END		0x0000
367 #define	SMBAUTH_NAME_TYPE_SERVER_NETBIOS	0x0001
368 #define	SMBAUTH_NAME_TYPE_DOMAIN_NETBIOS	0x0002
369 #define	SMBAUTH_NAME_TYPE_SERVER_DNS		0x0003
370 #define	SMBAUTH_NAME_TYPE_DOMAIN_DNS		0x0004
371 
372 /*
373  * smb_auth_name_entry_t
374  *
375  * Each name entry in the data blob consists of the following 3 fields:
376  *
377  * nne_type - name type
378  * nne_len  - the length of the name
379  * nne_name - the name, in uppercase UCS-2LE Unicode format
380  */
381 typedef struct smb_auth_name_entry {
382 	unsigned short nne_type;
383 	unsigned short nne_len;
384 	smb_wchar_t nne_name[SMB_PI_MAX_DOMAIN * 2];
385 } smb_auth_name_entry_t;
386 
387 /*
388  * smb_auth_data_blob
389  *
390  * The format of this NTLMv2 data blob structure is as follow:
391  *
392  *	- Blob Signature 0x01010000 (4 bytes)
393  * - Reserved (0x00000000) (4 bytes)
394  * - Timestamp Little-endian, 64-bit signed value representing
395  *   the number of tenths of a microsecond since January 1, 1601.
396  *   (8 bytes)
397  * - Client Challenge (8 bytes)
398  * - Unknown1 (4 bytes)
399  * - List of Target Information (variable length)
400  * - Unknown2 (4 bytes)
401  */
402 typedef struct smb_auth_data_blob {
403 	unsigned char ndb_signature[4];
404 	unsigned char ndb_reserved[4];
405 	uint64_t ndb_timestamp;
406 	unsigned char ndb_clnt_challenge[SMBAUTH_CHAL_SZ];
407 	unsigned char ndb_unknown[4];
408 	smb_auth_name_entry_t ndb_names[2];
409 	unsigned char ndb_unknown2[4];
410 } smb_auth_data_blob_t;
411 
412 #define	SMBAUTH_BLOB_MAXLEN (sizeof (smb_auth_data_blob_t))
413 #define	SMBAUTH_CI_MAXLEN   SMBAUTH_LM_RESP_SZ
414 #define	SMBAUTH_CS_MAXLEN   (SMBAUTH_BLOB_MAXLEN + SMBAUTH_HASH_SZ)
415 
416 /*
417  * smb_auth_info_t
418  *
419  * The structure contains all the authentication information
420  * needed for the preparaton of the SMBSessionSetupAndx request
421  * and the user session key.
422  *
423  * hash      - NTLM hash
424  * hash_v2   - NTLMv2 hash
425  * ci_len    - the length of the case-insensitive password
426  * ci        - case-insensitive password
427  *             (If NTLMv2 authentication mechanism is used, it
428  *              represents the LMv2 response. Otherwise, it
429  *              is empty.)
430  * cs_len    - the length of the case-sensitive password
431  * cs        - case-sensitive password
432  *             (If NTLMv2 authentication mechanism is used, it
433  *              represents the NTLMv2 response. Otherwise, it
434  *              represents the NTLM response.)
435  * data_blob - NTLMv2 data blob
436  */
437 typedef struct smb_auth_info {
438 	unsigned char hash[SMBAUTH_HASH_SZ];
439 	unsigned char hash_v2[SMBAUTH_HASH_SZ];
440 	unsigned short ci_len;
441 	unsigned char ci[SMBAUTH_CI_MAXLEN];
442 	unsigned short cs_len;
443 	unsigned char cs[SMBAUTH_CS_MAXLEN];
444 	int lmcompatibility_lvl;
445 	smb_auth_data_blob_t data_blob;
446 } smb_auth_info_t;
447 
448 /*
449  * SMB password management
450  */
451 
452 #define	SMB_PWF_LM	0x01	/* LM hash is present */
453 #define	SMB_PWF_NT	0x02	/* NT hash is present */
454 #define	SMB_PWF_DISABLE	0x04	/* Account is disabled */
455 
456 typedef struct smb_passwd {
457 	uid_t		pw_uid;
458 	uint32_t	pw_flags;
459 	char		pw_name[SMB_USERNAME_MAXLEN];
460 	uint8_t		pw_lmhash[SMBAUTH_HASH_SZ];
461 	uint8_t		pw_nthash[SMBAUTH_HASH_SZ];
462 } smb_passwd_t;
463 
464 /*
465  * Control flags passed to smb_pwd_setcntl
466  */
467 #define	SMB_PWC_DISABLE	0x01
468 #define	SMB_PWC_ENABLE	0x02
469 #define	SMB_PWC_NOLM	0x04
470 #define	SMB_PWC_DELETE	0x08
471 
472 #define	SMB_PWE_SUCCESS		0
473 #define	SMB_PWE_USER_UNKNOWN	1
474 #define	SMB_PWE_USER_DISABLE	2
475 #define	SMB_PWE_CLOSE_FAILED	3
476 #define	SMB_PWE_OPEN_FAILED	4
477 #define	SMB_PWE_WRITE_FAILED	6
478 #define	SMB_PWE_UPDATE_FAILED	7
479 #define	SMB_PWE_STAT_FAILED	8
480 #define	SMB_PWE_BUSY		9
481 #define	SMB_PWE_DENIED		10
482 #define	SMB_PWE_SYSTEM_ERROR	11
483 #define	SMB_PWE_INVALID_PARAM	12
484 #define	SMB_PWE_NO_MEMORY	13
485 #define	SMB_PWE_MAX		14
486 
487 typedef struct smb_pwditer {
488 	void *spi_next;
489 } smb_pwditer_t;
490 
491 typedef struct smb_luser {
492 	char *su_name;
493 	char *su_fullname;
494 	char *su_desc;
495 	uint32_t su_rid;
496 	uint32_t su_ctrl;
497 } smb_luser_t;
498 
499 extern void smb_pwd_init(boolean_t);
500 extern void smb_pwd_fini(void);
501 extern smb_passwd_t *smb_pwd_getpwnam(const char *, smb_passwd_t *);
502 extern smb_passwd_t *smb_pwd_getpwuid(uid_t, smb_passwd_t *);
503 extern int smb_pwd_setpasswd(const char *, const char *);
504 extern int smb_pwd_setcntl(const char *, int);
505 
506 extern int smb_pwd_iteropen(smb_pwditer_t *);
507 extern smb_luser_t *smb_pwd_iterate(smb_pwditer_t *);
508 extern void smb_pwd_iterclose(smb_pwditer_t *);
509 
510 extern int smb_auth_qnd_unicode(smb_wchar_t *, const char *, int);
511 extern int smb_auth_hmac_md5(unsigned char *, int, unsigned char *, int,
512     unsigned char *);
513 
514 /*
515  * A variation on HMAC-MD5 known as HMACT64 is used by Windows systems.
516  * The HMACT64() function is the same as the HMAC-MD5() except that
517  * it truncates the input key to 64 bytes rather than hashing it down
518  * to 16 bytes using the MD5() function.
519  */
520 #define	SMBAUTH_HMACT64(D, Ds, K, Ks, digest) \
521 	smb_auth_hmac_md5(D, Ds, K, (Ks > 64) ? 64 : Ks, digest)
522 
523 extern int smb_auth_DES(unsigned char *, int, unsigned char *, int,
524     unsigned char *, int);
525 extern int smb_auth_RC4(unsigned char *, int, unsigned char *, int,
526     unsigned char *, int);
527 
528 extern int smb_auth_md4(unsigned char *, unsigned char *, int);
529 extern int smb_auth_lm_hash(const char *, unsigned char *);
530 extern int smb_auth_ntlm_hash(const char *, unsigned char *);
531 extern void smb_auth_ntlm2_mkchallenge(char *, const char *, const char *);
532 extern void smb_auth_ntlm2_kxkey(unsigned char *, const char *, const char *,
533     unsigned char *);
534 
535 extern int smb_auth_set_info(char *, char *,
536     unsigned char *, char *, unsigned char *,
537     int, int, smb_auth_info_t *);
538 
539 extern int smb_auth_ntlmv2_hash(unsigned char *,
540 	char *, char *, unsigned char *);
541 
542 boolean_t smb_auth_validate(smb_passwd_t *, char *, char *,
543     uchar_t *, uint_t, uchar_t *, uint_t, uchar_t *, uint_t, uchar_t *);
544 
545 int smb_gen_random_passwd(char *passwd, size_t bufsz);
546 
547 /*
548  * SMB authenticated IPC
549  */
550 extern void smb_ipc_commit(void);
551 extern void smb_ipc_get_user(char *, size_t);
552 extern void smb_ipc_get_passwd(uint8_t *, size_t);
553 extern void smb_ipc_init(void);
554 extern void smb_ipc_rollback(void);
555 extern void smb_ipc_set(char *, uint8_t *);
556 
557 /*
558  * Signing flags:
559  *
560  * SMB_SCF_ENABLE                 Signing is enabled.
561  *
562  * SMB_SCF_REQUIRED               Signing is enabled and required.
563  *                                This flag shouldn't be set if
564  *                                SMB_SCF_ENABLE isn't set.
565  *
566  * SMB_SCF_STARTED                Signing will start after receiving
567  *                                the first non-anonymous SessionSetup
568  *                                request.
569  *
570  * SMB_SCF_KEY_ISSET_THIS_LOGON   Indicates whether the MAC key has just
571  *                                been set for this logon. (prior to
572  *                                sending the SMBSessionSetup request)
573  *
574  */
575 #define	SMB_SCF_ENABLE		0x01
576 #define	SMB_SCF_REQUIRED	0x02
577 #define	SMB_SCF_STARTED		0x04
578 #define	SMB_SCF_KEY_ISSET_THIS_LOGON	0x08
579 
580 /*
581  * Each domain is categorized using the enum values below.
582  * The local domain refers to the local machine and is named
583  * after the local hostname. The primary domain is the domain
584  * that the system joined. All other domains are either
585  * trusted or untrusted, as defined by the primary domain PDC.
586  */
587 typedef enum smb_domain_type {
588 	SMB_DOMAIN_NULL,
589 	SMB_DOMAIN_BUILTIN,
590 	SMB_DOMAIN_LOCAL,
591 	SMB_DOMAIN_PRIMARY,
592 	SMB_DOMAIN_ACCOUNT,
593 	SMB_DOMAIN_TRUSTED,
594 	SMB_DOMAIN_UNTRUSTED,
595 	SMB_DOMAIN_NUM_TYPES
596 } smb_domain_type_t;
597 
598 /*
599  * Information specific to trusted domains
600  */
601 typedef struct smb_domain_trust {
602 	uint32_t		dti_trust_direction;
603 	uint32_t		dti_trust_type;
604 	uint32_t		dti_trust_attrs;
605 } smb_domain_trust_t;
606 
607 /*
608  * DNS information for domain types that this info is
609  * obtained/available. Currently this is only obtained
610  * for the primary domain.
611  */
612 typedef struct smb_domain_dns {
613 	char			ddi_forest[MAXHOSTNAMELEN];
614 	char			ddi_guid[UUID_PRINTABLE_STRING_LENGTH];
615 } smb_domain_dns_t;
616 
617 /*
618  * This is the information that is held about each domain.
619  */
620 typedef struct smb_domain {
621 	list_node_t		di_lnd;
622 	smb_domain_type_t	di_type;
623 	char			di_sid[SMB_SID_STRSZ];
624 	char			di_nbname[NETBIOS_NAME_SZ];
625 	char			di_fqname[MAXHOSTNAMELEN];
626 	smb_sid_t		*di_binsid;
627 	union {
628 		smb_domain_dns_t	di_dns;
629 		smb_domain_trust_t	di_trust;
630 	} di_u;
631 } smb_domain_t;
632 
633 typedef struct smb_trusted_domains {
634 	uint32_t	td_num;
635 	smb_domain_t	*td_domains;
636 } smb_trusted_domains_t;
637 
638 #define	SMB_DOMAIN_SUCCESS		0
639 #define	SMB_DOMAIN_NOMACHINE_SID	1
640 #define	SMB_DOMAIN_NODOMAIN_SID		2
641 #define	SMB_DOMAIN_NODOMAIN_NAME	3
642 #define	SMB_DOMAIN_INTERNAL_ERR		4
643 #define	SMB_DOMAIN_INVALID_ARG		5
644 #define	SMB_DOMAIN_NO_MEMORY		6
645 #define	SMB_DOMAIN_NO_CACHE		7
646 
647 typedef struct smb_dcinfo {
648 	char			dc_name[MAXHOSTNAMELEN];
649 	smb_inaddr_t		dc_addr;
650 	uint32_t		dc_flags;
651 } smb_dcinfo_t;
652 
653 /*
654  * This structure could contain information about
655  * the primary domain the name of selected domain controller
656  * for the primary domain and a list of trusted domains if
657  * any. The "ex" in the structure name stands for extended.
658  * This is to differentiate this structure from smb_domain_t
659  * which only contains information about a single domain.
660  */
661 typedef struct smb_domainex {
662 	smb_dcinfo_t		d_dci;
663 	smb_domain_t		d_primary;
664 	smb_trusted_domains_t	d_trusted;
665 } smb_domainex_t;
666 
667 int smb_domain_init(uint32_t);
668 void smb_domain_fini(void);
669 void smb_domain_show(void);
670 void smb_domain_save(void);
671 boolean_t smb_domain_lookup_name(char *, smb_domain_t *);
672 boolean_t smb_domain_lookup_sid(smb_sid_t *, smb_domain_t *);
673 boolean_t smb_domain_lookup_type(smb_domain_type_t, smb_domain_t *);
674 boolean_t smb_domain_getinfo(smb_domainex_t *);
675 void smb_domain_update(smb_domainex_t *);
676 uint32_t smb_domain_start_update(void);
677 void smb_domain_end_update(void);
678 void smb_domain_set_basic_info(char *, char *, char *, smb_domain_t *);
679 void smb_domain_set_dns_info(char *, char *, char *, char *, char *,
680     smb_domain_t *);
681 void smb_domain_set_trust_info(char *, char *, char *,
682     uint32_t, uint32_t, uint32_t, smb_domain_t *);
683 void smb_domain_current_dc(smb_dcinfo_t *);
684 void smb_domain_bad_dc(void);
685 
686 typedef struct smb_gsid {
687 	smb_sid_t *gs_sid;
688 	uint16_t gs_type;
689 } smb_gsid_t;
690 
691 struct sqlite_vm;
692 struct sqlite;
693 
694 typedef struct smb_giter {
695 	struct sqlite_vm	*sgi_vm;
696 	struct sqlite		*sgi_db;
697 	uint32_t		sgi_nerr;
698 } smb_giter_t;
699 
700 typedef struct smb_group {
701 	char			*sg_name;
702 	char			*sg_cmnt;
703 	uint32_t		sg_attr;
704 	uint32_t		sg_rid;
705 	smb_gsid_t		sg_id;
706 	smb_domain_type_t	sg_domain;
707 	smb_privset_t		*sg_privs;
708 	uint32_t		sg_nmembers;
709 	smb_gsid_t		*sg_members;
710 } smb_group_t;
711 
712 int smb_lgrp_start(void);
713 void smb_lgrp_stop(void);
714 int smb_lgrp_add(char *, char *);
715 int smb_lgrp_rename(char *, char *);
716 int smb_lgrp_delete(char *);
717 int smb_lgrp_setcmnt(char *, char *);
718 int smb_lgrp_getcmnt(char *, char **);
719 int smb_lgrp_getpriv(char *, uint8_t, boolean_t *);
720 int smb_lgrp_setpriv(char *, uint8_t, boolean_t);
721 int smb_lgrp_add_member(char *, smb_sid_t *, uint16_t);
722 int smb_lgrp_del_member(char *, smb_sid_t *, uint16_t);
723 int smb_lgrp_getbyname(char *, smb_group_t *);
724 int smb_lgrp_getbyrid(uint32_t, smb_domain_type_t, smb_group_t *);
725 void smb_lgrp_free(smb_group_t *);
726 uint32_t smb_lgrp_err_to_ntstatus(uint32_t);
727 boolean_t smb_lgrp_is_member(smb_group_t *, smb_sid_t *);
728 char *smb_lgrp_strerror(int);
729 int smb_lgrp_iteropen(smb_giter_t *);
730 void smb_lgrp_iterclose(smb_giter_t *);
731 boolean_t smb_lgrp_itererror(smb_giter_t *);
732 int smb_lgrp_iterate(smb_giter_t *, smb_group_t *);
733 
734 int smb_lookup_sid(const char *, lsa_account_t *);
735 int smb_lookup_lsid(const char *, lsa_account_t *);
736 int smb_lookup_name(const char *, sid_type_t, lsa_account_t *);
737 int smb_lookup_lname(const char *, sid_type_t, lsa_account_t *);
738 
739 #define	SMB_LGRP_SUCCESS		0
740 #define	SMB_LGRP_INVALID_ARG		1
741 #define	SMB_LGRP_INVALID_MEMBER		2
742 #define	SMB_LGRP_INVALID_NAME		3
743 #define	SMB_LGRP_NOT_FOUND		4
744 #define	SMB_LGRP_EXISTS			5
745 #define	SMB_LGRP_NO_SID			6
746 #define	SMB_LGRP_NO_LOCAL_SID		7
747 #define	SMB_LGRP_SID_NOTLOCAL		8
748 #define	SMB_LGRP_WKSID			9
749 #define	SMB_LGRP_NO_MEMORY		10
750 #define	SMB_LGRP_DB_ERROR		11
751 #define	SMB_LGRP_DBINIT_ERROR		12
752 #define	SMB_LGRP_INTERNAL_ERROR		13
753 #define	SMB_LGRP_MEMBER_IN_GROUP	14
754 #define	SMB_LGRP_MEMBER_NOT_IN_GROUP	15
755 #define	SMB_LGRP_NO_SUCH_PRIV		16
756 #define	SMB_LGRP_NO_SUCH_DOMAIN		17
757 #define	SMB_LGRP_PRIV_HELD		18
758 #define	SMB_LGRP_PRIV_NOT_HELD		19
759 #define	SMB_LGRP_BAD_DATA		20
760 #define	SMB_LGRP_NO_MORE		21
761 #define	SMB_LGRP_DBOPEN_FAILED		22
762 #define	SMB_LGRP_DBEXEC_FAILED		23
763 #define	SMB_LGRP_DBINIT_FAILED		24
764 #define	SMB_LGRP_DOMLKP_FAILED		25
765 #define	SMB_LGRP_DOMINS_FAILED		26
766 #define	SMB_LGRP_INSERT_FAILED		27
767 #define	SMB_LGRP_DELETE_FAILED		28
768 #define	SMB_LGRP_UPDATE_FAILED		29
769 #define	SMB_LGRP_LOOKUP_FAILED		30
770 #define	SMB_LGRP_NOT_SUPPORTED		31
771 #define	SMB_LGRP_OFFLINE		32
772 #define	SMB_LGRP_POSIXCREATE_FAILED	33
773 
774 #define	SMB_LGRP_COMMENT_MAX	256
775 
776 /*
777  * values for smb_nic_t.smbflags
778  */
779 #define	SMB_NICF_NBEXCL		0x01	/* Excluded from Netbios activities */
780 #define	SMB_NICF_ALIAS		0x02	/* This is an alias */
781 
782 /*
783  * smb_nic_t
784  *     nic_host		actual host name
785  *     nic_nbname	16-byte NetBIOS host name
786  */
787 typedef struct {
788 	char		nic_host[MAXHOSTNAMELEN];
789 	char		nic_nbname[NETBIOS_NAME_SZ];
790 	char		nic_cmnt[SMB_PI_MAX_COMMENT];
791 	char		nic_ifname[LIFNAMSIZ];
792 	smb_inaddr_t	nic_ip;
793 	uint32_t	nic_mask;
794 	uint32_t	nic_bcast;
795 	uint32_t	nic_smbflags;
796 	uint64_t	nic_sysflags;
797 } smb_nic_t;
798 
799 typedef struct smb_niciter {
800 	smb_nic_t ni_nic;
801 	int ni_cookie;
802 	int ni_seqnum;
803 } smb_niciter_t;
804 
805 /* NIC config functions */
806 int smb_nic_init(void);
807 void smb_nic_fini(void);
808 int smb_nic_getnum(char *);
809 int smb_nic_addhost(const char *, const char *, int, const char **);
810 int smb_nic_delhost(const char *);
811 int smb_nic_getfirst(smb_niciter_t *);
812 int smb_nic_getnext(smb_niciter_t *);
813 boolean_t smb_nic_is_local(smb_inaddr_t *);
814 boolean_t smb_nic_is_same_subnet(smb_inaddr_t *);
815 
816 #define	SMB_NIC_SUCCESS			0
817 #define	SMB_NIC_INVALID_ARG		1
818 #define	SMB_NIC_NOT_FOUND		2
819 #define	SMB_NIC_NO_HOST			3
820 #define	SMB_NIC_NO_MEMORY		4
821 #define	SMB_NIC_DB_ERROR		5
822 #define	SMB_NIC_DBINIT_ERROR		6
823 #define	SMB_NIC_BAD_DATA		7
824 #define	SMB_NIC_NO_MORE			8
825 #define	SMB_NIC_DBOPEN_FAILED		9
826 #define	SMB_NIC_DBEXEC_FAILED		10
827 #define	SMB_NIC_DBINIT_FAILED		11
828 #define	SMB_NIC_INSERT_FAILED		12
829 #define	SMB_NIC_DELETE_FAILED		13
830 #define	SMB_NIC_SOCK			14
831 #define	SMB_NIC_IOCTL			15
832 #define	SMB_NIC_CHANGED			16
833 
834 /*
835  * Well-known account structure
836  *
837  * A security identifier (SID) is a unique value of variable length that
838  * is used to identify a security principal or security group in
839  * Windows. Well-known SIDs are a group of SIDs that identify generic
840  * users or generic groups. Their values remain constant across all
841  * operating systems.
842  *
843  * This structure is defined to store these SIDs and other related
844  * information about them (e.g. account and domain names) in a
845  * predefined table.
846  */
847 typedef struct smb_wka {
848 	uint8_t		wka_domidx;
849 	char		*wka_sid;
850 	char		*wka_name;
851 	uint16_t	wka_type;
852 	uint16_t	wka_flags;
853 	char		*wka_desc;
854 	smb_sid_t	*wka_binsid;
855 } smb_wka_t;
856 
857 /*
858  * Defined values for smb_wka.wka_flags
859  *
860  * SMB_WKAFLG_LGRP_ENABLE		Can be added as local group
861  */
862 #define	SMB_WKAFLG_LGRP_ENABLE	0x1
863 
864 /*
865  * Well-known account interfaces
866  */
867 smb_wka_t *smb_wka_lookup_builtin(const char *);
868 smb_wka_t *smb_wka_lookup_name(const char *);
869 smb_wka_t *smb_wka_lookup_sid(smb_sid_t *);
870 smb_sid_t *smb_wka_get_sid(const char *);
871 char *smb_wka_get_domain(int);
872 uint32_t smb_wka_token_groups(uint32_t, smb_ids_t *);
873 
874 /*
875  * In memory account representation
876  */
877 typedef struct smb_account {
878 	char		*a_name;
879 	char		*a_domain;
880 	uint16_t	a_type;
881 	smb_sid_t	*a_sid;
882 	smb_sid_t	*a_domsid;
883 	uint32_t	a_rid;
884 	uint32_t	a_flags;
885 } smb_account_t;
886 
887 uint32_t smb_sam_lookup_name(char *, char *, uint16_t, smb_account_t *);
888 uint32_t smb_sam_lookup_sid(smb_sid_t *, smb_account_t *);
889 int smb_sam_usr_cnt(void);
890 uint32_t smb_sam_usr_groups(smb_sid_t *, smb_ids_t *);
891 int smb_sam_grp_cnt(smb_domain_type_t);
892 void smb_account_free(smb_account_t *);
893 boolean_t smb_account_validate(smb_account_t *);
894 
895 /*
896  * Security Descriptor functions.
897  */
898 uint32_t smb_sd_read(char *path, smb_sd_t *, uint32_t);
899 uint32_t smb_sd_write(char *path, smb_sd_t *, uint32_t);
900 uint32_t smb_sd_fromfs(smb_fssd_t *, smb_sd_t *);
901 
902 /* Kernel Module Interface */
903 int smb_kmod_bind(void);
904 boolean_t smb_kmod_isbound(void);
905 int smb_kmod_setcfg(smb_kmod_cfg_t *);
906 int smb_kmod_setgmtoff(int32_t);
907 int smb_kmod_start(int, int, int);
908 void smb_kmod_stop(void);
909 int smb_kmod_event_notify(uint32_t);
910 void smb_kmod_unbind(void);
911 int smb_kmod_share(nvlist_t *);
912 int smb_kmod_unshare(nvlist_t *);
913 int smb_kmod_shareinfo(char *, boolean_t *);
914 int smb_kmod_get_open_num(smb_opennum_t *);
915 int smb_kmod_enum(smb_netsvc_t *);
916 smb_netsvc_t *smb_kmod_enum_init(smb_svcenum_t *);
917 void smb_kmod_enum_fini(smb_netsvc_t *);
918 int smb_kmod_session_close(const char *, const char *);
919 int smb_kmod_file_close(uint32_t);
920 int smb_kmod_get_spool_doc(uint32_t *, char *, char *, smb_inaddr_t *);
921 
922 void smb_name_parse(char *, char **, char **);
923 uint32_t smb_name_validate_share(const char *);
924 uint32_t smb_name_validate_account(const char *);
925 uint32_t smb_name_validate_domain(const char *);
926 uint32_t smb_name_validate_nbdomain(const char *);
927 uint32_t smb_name_validate_workgroup(const char *);
928 uint32_t smb_name_validate_rpath(const char *);
929 
930 /*
931  * Interposer library validation
932  */
933 #define	SMBEX_VERSION	1
934 #define	SMBEX_KEY	"82273fdc-e32a-18c3-3f78-827929dc23ea"
935 typedef struct smbex_version {
936 	uint32_t v_version;
937 	uuid_t v_uuid;
938 } smbex_version_t;
939 void *smb_dlopen(void);
940 void smb_dlclose(void *);
941 
942 /*
943  * General purpose multi-thread safe cache based on
944  * AVL tree
945  */
946 typedef struct smb_cache {
947 	avl_tree_t	ch_cache;
948 	rwlock_t	ch_cache_lck;
949 	uint32_t	ch_state;
950 	uint32_t	ch_nops;
951 	uint32_t	ch_wait;
952 	uint32_t	ch_sequence;
953 	size_t		ch_datasz;
954 	mutex_t		ch_mtx;
955 	cond_t		ch_cv;
956 	void		(*ch_free)(void *);
957 	void		(*ch_copy)(const void *, void *, size_t);
958 } smb_cache_t;
959 
960 typedef struct smb_cache_node {
961 	avl_node_t	cn_link;
962 	void		*cn_data;
963 } smb_cache_node_t;
964 
965 typedef struct smb_cache_cursor {
966 	void		*cc_next;
967 	uint32_t	cc_sequence;
968 } smb_cache_cursor_t;
969 
970 /*
971  * flags used with smb_cache_add()
972  *
973  * SMB_CACHE_ADD	If object doesn't exist add, otherwise fail
974  * SMB_CACHE_REPLACE	If object doesn't exist add, otherwise replace
975  */
976 #define	SMB_CACHE_ADD		1
977 #define	SMB_CACHE_REPLACE	2
978 
979 void smb_cache_create(smb_cache_t *, uint32_t,
980     int (*cmpfn) (const void *, const void *), void (*freefn)(void *),
981     void (*copyfn)(const void *, void *, size_t), size_t);
982 void smb_cache_destroy(smb_cache_t *);
983 void smb_cache_flush(smb_cache_t *);
984 uint32_t smb_cache_num(smb_cache_t *);
985 int smb_cache_refreshing(smb_cache_t *);
986 void smb_cache_ready(smb_cache_t *);
987 int smb_cache_add(smb_cache_t *, const void *, int);
988 void smb_cache_remove(smb_cache_t *, const void *);
989 void smb_cache_iterinit(smb_cache_t *, smb_cache_cursor_t *);
990 boolean_t smb_cache_iterate(smb_cache_t *, smb_cache_cursor_t *, void *);
991 
992 /*
993  * Values returned by smb_reparse_stat()
994  */
995 #define	SMB_REPARSE_NOTFOUND	1	/* object does not exist */
996 #define	SMB_REPARSE_NOTREPARSE	2	/* object is NOT a reparse point */
997 #define	SMB_REPARSE_ISREPARSE	3	/* object is a reparse point */
998 
999 /*
1000  * Reparse Point API
1001  */
1002 int smb_reparse_stat(const char *, uint32_t *);
1003 int smb_reparse_svcadd(const char *, const char *, const char *);
1004 int smb_reparse_svcdel(const char *, const char *);
1005 int smb_reparse_svcget(const char *, const char *, char **);
1006 
1007 uint32_t smb_get_txid(void);
1008 
1009 void smb_syslog(int, const char *, ...);
1010 void smb_vsyslog(int, const char *, va_list ap);
1011 char *smb_syslog_fmt_m(char *, int, const char *, int);
1012 
1013 #ifdef	__cplusplus
1014 }
1015 #endif
1016 
1017 #endif	/* _LIBSMB_H */
1018