1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21 /*
  22  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  23  * Copyright 2015 Nexenta Systems, Inc.  All rights reserved.
  24  */
  25 
  26 #ifndef _SMBSRV_SMB_XDR_H
  27 #define _SMBSRV_SMB_XDR_H
  28 
  29 #ifdef  __cplusplus
  30 extern "C" {
  31 #endif
  32 
  33 #include <rpc/xdr.h>
  34 #include <sys/param.h>
  35 #include <sys/avl.h>
  36 #include <sys/list.h>
  37 #include <smb/wintypes.h>
  38 #include <smbsrv/smb_sid.h>
  39 #include <smbsrv/smbinfo.h>
  40 #include <smbsrv/smb_ioctl.h>
  41 #include <smbsrv/smb_sid.h>
  42 #include <smbsrv/smb_share.h>
  43 #include <smbsrv/smb_dfs.h>
  44 
  45 #if defined(_KERNEL) || defined(_FAKE_KERNEL)
  46 #include <sys/sysmacros.h>
  47 #define xdr_int8_t      xdr_char
  48 #define xdr_uint8_t     xdr_u_char
  49 #define xdr_int16_t     xdr_short
  50 #define xdr_uint16_t    xdr_u_short
  51 #else /* _KERNEL */
  52 #include <stddef.h>       /* offsetof */
  53 #endif /* _KERNEL */
  54 
  55 /*
  56  * null-terminated string
  57  * See also: smb_string_xdr()
  58  */
  59 typedef struct smb_string {
  60         char *buf;
  61 } smb_string_t;
  62 
  63 struct smb_buf32;
  64 
  65 /*
  66  * Initial message on server named pipes.
  67  * Followed by smb_netuserinfo
  68  */
  69 typedef struct smb_pipehdr {
  70         uint32_t ph_magic;
  71         uint32_t ph_uilen;
  72 } smb_pipehdr_t;
  73 
  74 #define SMB_PIPE_HDR_MAGIC      0x50495045      /* PIPE */
  75 
  76 /*
  77  * Maximum message size for SMB named pipes.
  78  * Should be less than PIPE_BUF (5120).
  79  * Use the same value Windows does.
  80  */
  81 #define SMB_PIPE_MAX_MSGSIZE    4280
  82 
  83 /*
  84  * Door up-call stuff shared with smbd
  85  */
  86 
  87 #define SMB_DOOR_HDR_MAGIC      0x444F4F52      /* DOOR */
  88 
  89 /*
  90  * Door header flags.
  91  */
  92 #define SMB_DF_ASYNC            0x00000001      /* Asynchronous call */
  93 #define SMB_DF_SYSSPACE         0x00000002      /* Called from the kernel */
  94 #define SMB_DF_USERSPACE        0x00000004      /* Called from user space */
  95 #define SMB_DF_FAKE_KERNEL      0x00000008      /* Called from fake kernel */
  96 
  97 /*
  98  * Header for door calls.  The op codes and return codes are defined
  99  * in smb_door.h.  The header is here to make it available to XDR.
 100  *
 101  * fid          For opipe: the pipe identifier.
 102  * op           The door operation being invoked.
 103  * txid         Unique transaction id for the current door call.
 104  * datalen      Bytes of data following the header (excludes the header).
 105  * resid        For opipe: the number of bytes remaining in the server.
 106  * door_rc      Return code provided by the door server.
 107  * status       A pass-through status provided by the door operation.
 108  *
 109  * See also: smb_doorhdr_xdr()
 110  */
 111 typedef struct smb_doorhdr {
 112         uint32_t dh_magic;
 113         uint32_t dh_flags;
 114         uint32_t dh_fid;
 115         uint32_t dh_op;
 116         uint32_t dh_txid;
 117         uint32_t dh_datalen;
 118         uint32_t dh_resid;
 119         uint32_t dh_door_rc;
 120         uint32_t dh_status;
 121 } smb_doorhdr_t;
 122 
 123 /*
 124  * Information about the client of a named pipe, provided by smbsrv
 125  * to the server side of the named pipe (the RPC service).
 126  * See also: smb_netuserinfo_xdr()
 127  */
 128 typedef struct smb_netuserinfo {
 129         uint64_t        ui_session_id;
 130         uint16_t        ui_smb_uid;
 131         uint16_t        ui_domain_len;
 132         char            *ui_domain;
 133         uint16_t        ui_account_len;
 134         char            *ui_account;
 135         uid_t           ui_posix_uid;
 136         uint16_t        ui_workstation_len;
 137         char            *ui_workstation;
 138         smb_inaddr_t    ui_ipaddr;
 139         int32_t         ui_native_os;
 140         int64_t         ui_logon_time;
 141         uint32_t        ui_numopens;
 142         uint32_t        ui_flags;
 143 } smb_netuserinfo_t;
 144 
 145 typedef struct smb_opennum {
 146         uint32_t        open_users;
 147         uint32_t        open_trees;
 148         uint32_t        open_files;
 149         uint32_t        qualtype;
 150         char            qualifier[MAXNAMELEN];
 151 } smb_opennum_t;
 152 
 153 /*
 154  * SMB (internal) representation of a tree connection (etc.)
 155  * See also: smb_netconnectinfo_xdr()
 156  */
 157 typedef struct smb_netconnectinfo {
 158         uint32_t        ci_id;
 159         uint32_t        ci_type;
 160         uint32_t        ci_numopens;
 161         uint32_t        ci_numusers;
 162         uint32_t        ci_time;
 163         uint32_t        ci_namelen;
 164         uint32_t        ci_sharelen;
 165         char            *ci_username;
 166         char            *ci_share;
 167 } smb_netconnectinfo_t;
 168 
 169 /*
 170  * SMB (internal) representation of an open file.
 171  * See also: smb_netfileinfo_xdr()
 172  */
 173 typedef struct smb_netfileinfo {
 174         uint16_t        fi_fid;
 175         uint32_t        fi_uniqid;
 176         uint32_t        fi_permissions;
 177         uint32_t        fi_numlocks;
 178         uint32_t        fi_pathlen;
 179         uint32_t        fi_namelen;
 180         char            *fi_path;
 181         char            *fi_username;
 182 } smb_netfileinfo_t;
 183 
 184 typedef struct smb_netsvcitem {
 185         list_node_t     nsi_lnd;
 186         union {
 187                 smb_netuserinfo_t       nsi_user;
 188                 smb_netconnectinfo_t    nsi_tree;
 189                 smb_netfileinfo_t       nsi_ofile;
 190         } nsi_un;
 191 } smb_netsvcitem_t;
 192 
 193 typedef struct smb_netsvc {
 194         list_t                  ns_list;
 195         smb_netsvcitem_t        *ns_items;
 196         smb_ioc_svcenum_t       *ns_ioc;
 197         uint32_t                ns_ioclen;
 198 } smb_netsvc_t;
 199 
 200 
 201 bool_t smb_buf32_xdr(XDR *, struct smb_buf32 *);
 202 bool_t smb_string_xdr(XDR *, smb_string_t *);
 203 bool_t smb_inaddr_xdr(XDR *, smb_inaddr_t *);
 204 
 205 const char *smb_doorhdr_opname(uint32_t);
 206 int smb_doorhdr_encode(smb_doorhdr_t *, uint8_t *, uint32_t);
 207 int smb_doorhdr_decode(smb_doorhdr_t *, uint8_t *, uint32_t);
 208 bool_t smb_doorhdr_xdr(XDR *xdrs, smb_doorhdr_t *objp);
 209 int smb_netuserinfo_encode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
 210 int smb_netuserinfo_decode(smb_netuserinfo_t *, uint8_t *, uint32_t, uint_t *);
 211 bool_t smb_netuserinfo_xdr(XDR *, smb_netuserinfo_t *);
 212 int smb_netconnectinfo_encode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
 213     uint_t *);
 214 int smb_netconnectinfo_decode(smb_netconnectinfo_t *, uint8_t *, uint32_t,
 215     uint_t *);
 216 bool_t smb_netconnectinfo_xdr(XDR *, smb_netconnectinfo_t *);
 217 int smb_netfileinfo_encode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
 218 int smb_netfileinfo_decode(smb_netfileinfo_t *, uint8_t *, uint32_t, uint_t *);
 219 bool_t smb_netfileinfo_xdr(XDR *, smb_netfileinfo_t *);
 220 
 221 typedef uint16_t sid_type_t;
 222 
 223 typedef struct lsa_account {
 224         ntstatus_t      a_status;
 225         sid_type_t      a_sidtype;
 226         char            a_domain[MAXNAMELEN];
 227         char            a_name[MAXNAMELEN];
 228         char            a_sid[SMB_SID_STRSZ];
 229 } lsa_account_t;
 230 
 231 int lsa_account_encode(lsa_account_t *, uint8_t *, uint32_t);
 232 int lsa_account_decode(lsa_account_t *, uint8_t *, uint32_t);
 233 bool_t lsa_account_xdr(XDR *, lsa_account_t *);
 234 
 235 /*
 236  * VSS Door Structures
 237  */
 238 #define SMB_VSS_GMT_SIZE sizeof ("@GMT-yyyy.mm.dd-hh.mm.ss")
 239 
 240 /*
 241  * Args for enumerating "previous versions".
 242  * See also: smb_gmttoken_query_xdr()
 243  */
 244 typedef struct smb_gmttoken_query {
 245         uint32_t        gtq_count;
 246         char            *gtq_path;
 247 } smb_gmttoken_query_t;
 248 
 249 /*
 250  * Part of response for enumerating "previous versions".
 251  * See also: smb_gmttoken_xdr()
 252  */
 253 typedef char *smb_gmttoken_t;
 254 
 255 /*
 256  * Response for enumerating "previous versions".
 257  * See also: smb_gmttoken_response_xdr()
 258  */
 259 typedef struct smb_gmttoken_response {
 260         uint32_t gtr_count;
 261         struct {
 262                 uint_t          gtr_gmttokens_len;
 263                 smb_gmttoken_t  *gtr_gmttokens_val;
 264         } gtr_gmttokens;
 265 } smb_gmttoken_response_t;
 266 
 267 /*
 268  * Args to lookup "previous versions" during open.
 269  * See also: smb_gmttoken_snapname_xdr()
 270  */
 271 typedef struct smb_gmttoken_snapname {
 272         char    *gts_path;
 273         char    *gts_gmttoken;
 274         uint64_t gts_toktime; /* seconds */
 275 } smb_gmttoken_snapname_t;
 276 
 277 bool_t smb_gmttoken_query_xdr(XDR *, smb_gmttoken_query_t *);
 278 bool_t smb_gmttoken_response_xdr(XDR *, smb_gmttoken_response_t *);
 279 bool_t smb_gmttoken_snapname_xdr(XDR *, smb_gmttoken_snapname_t *);
 280 
 281 /*
 282  * User and Group Quotas
 283  *
 284  * SMB User and Group quota values of SMB_QUOTA_UNLIMITED mean
 285  * No Limit. This maps to 0 (none) on ZFS.
 286  */
 287 #define SMB_QUOTA_UNLIMITED             0xFFFFFFFFFFFFFFFF
 288 
 289 /*
 290  * SMB (internal) representation of a quota response
 291  * See also: smb_quota_xdr()
 292  */
 293 typedef struct smb_quota {
 294         list_node_t q_list_node;
 295         char q_sidstr[SMB_SID_STRSZ];
 296         uint32_t q_sidtype;
 297         uint64_t q_used;
 298         uint64_t q_thresh;
 299         uint64_t q_limit;
 300         avl_node_t q_avl_node;
 301 } smb_quota_t;
 302 
 303 /*
 304  * Part of a quota response
 305  * See also: smb_quota_sid_xdr()
 306  */
 307 typedef struct smb_quota_sid {
 308         list_node_t qs_list_node;
 309         char qs_sidstr[SMB_SID_STRSZ];
 310 } smb_quota_sid_t;
 311 
 312 typedef enum {
 313         SMB_QUOTA_QUERY_INVALID_OP,
 314         SMB_QUOTA_QUERY_SIDLIST,
 315         SMB_QUOTA_QUERY_STARTSID,
 316         SMB_QUOTA_QUERY_ALL
 317 } smb_quota_query_op_t;
 318 
 319 /*
 320  * SMB (internal) form of a quota lookup
 321  * See also: smb_quota_query_xdr()
 322  */
 323 typedef struct smb_quota_query {
 324         char *qq_root_path;
 325         uint32_t qq_query_op;   /* smb_quota_query_op_t */
 326         bool_t qq_single;
 327         bool_t qq_restart;
 328         uint32_t qq_max_quota;
 329         list_t qq_sid_list;     /* list of smb_quota_sid_t */
 330 } smb_quota_query_t;
 331 
 332 /*
 333  * The get quota response (list of quota records)
 334  * See also: smb_quota_response_xdr()
 335  */
 336 typedef struct smb_quota_response {
 337         uint32_t qr_status;
 338         list_t qr_quota_list;   /* list of smb_quota_t */
 339 } smb_quota_response_t;
 340 
 341 /*
 342  * The set quota request (list of quota records)
 343  * See also: smb_quota_set_xdr()
 344  */
 345 typedef struct smb_quota_set {
 346         char *qs_root_path;
 347         list_t qs_quota_list;   /* list of smb_quota_t */
 348 } smb_quota_set_t;
 349 
 350 bool_t smb_quota_query_xdr(XDR *, smb_quota_query_t *);
 351 bool_t smb_quota_response_xdr(XDR *, smb_quota_response_t *);
 352 bool_t smb_quota_set_xdr(XDR *, smb_quota_set_t *);
 353 
 354 typedef struct dfs_referral_query {
 355         dfs_reftype_t   rq_type;
 356         char            *rq_path;
 357 } dfs_referral_query_t;
 358 
 359 typedef struct dfs_referral_response {
 360         dfs_info_t      rp_referrals;
 361         uint32_t        rp_status;
 362 } dfs_referral_response_t;
 363 
 364 bool_t dfs_referral_query_xdr(XDR *, dfs_referral_query_t *);
 365 bool_t dfs_referral_response_xdr(XDR *, dfs_referral_response_t *);
 366 
 367 typedef struct smb_shr_hostaccess_query {
 368         char            *shq_none;
 369         char            *shq_ro;
 370         char            *shq_rw;
 371         uint32_t        shq_flag;
 372         smb_inaddr_t    shq_ipaddr;
 373 } smb_shr_hostaccess_query_t;
 374 
 375 bool_t smb_shr_hostaccess_query_xdr(XDR *, smb_shr_hostaccess_query_t *);
 376 bool_t smb_shr_execinfo_xdr(XDR *, smb_shr_execinfo_t *);
 377 
 378 #ifdef  __cplusplus
 379 }
 380 #endif
 381 
 382 #endif  /* _SMBSRV_SMB_XDR_H */