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