source3/smbd/proto.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Main SMB server routines
   4  *
   5  *  Copyright (C) Andrew Tridgell                       1992-2002,2006
   6  *  Copyright (C) Jeremy Allison                        1992-2010
   7  *  Copyright (C) Volker Lendecke                       1993-2009
   8  *  Copyright (C) John H Terpstra                       1995-1998
   9  *  Copyright (C) Luke Kenneth Casson Leighton          1996-1998
  10  *  Copyright (C) Paul Ashton                           1997-1998
  11  *  Copyright (C) Tim Potter                            1999-2000
  12  *  Copyright (C) T.D.Lee@durham.ac.uk                  1999
  13  *  Copyright (C) Ying Chen                             2000
  14  *  Copyright (C) Shirish Kalele                        2000
  15  *  Copyright (C) Andrew Bartlett                       2001-2003
  16  *  Copyright (C) Alexander Bokovoy                     2002,2005
  17  *  Copyright (C) Simo Sorce                            2001-2002,2009
  18  *  Copyright (C) Andreas Gruenbacher                   2002
  19  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>       2002
  20  *  Copyright (C) Martin Pool                           2002
  21  *  Copyright (C) Luke Howard                           2003
  22  *  Copyright (C) Stefan (metze) Metzmacher             2003,2009
  23  *  Copyright (C) Steve French                          2005
  24  *  Copyright (C) Gerald (Jerry) Carter                 2006
  25  *  Copyright (C) James Peach                           2006-2007
  26  *  Copyright (C) Jelmer Vernooij                       2002-2003
  27  *  Copyright (C) Michael Adam                          2007
  28  *  Copyright (C) Rishi Srivatsavai                     2007
  29  *  Copyright (C) Tim Prouty                            2009
  30  *  Copyright (C) Gregor Beck                           2011
  31  *
  32  *  This program is free software; you can redistribute it and/or modify
  33  *  it under the terms of the GNU General Public License as published by
  34  *  the Free Software Foundation; either version 3 of the License, or
  35  *  (at your option) any later version.
  36  *
  37  *  This program is distributed in the hope that it will be useful,
  38  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  39  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  40  *  GNU General Public License for more details.
  41  *
  42  *  You should have received a copy of the GNU General Public License
  43  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  44  */
  45
  46 #ifndef _SMBD_PROTO_H_
  47 #define _SMBD_PROTO_H_
  48
  49 /* The following definitions come from smbd/signing.c  */
  50
  51 struct smbXsrv_client;
  52 struct smbXsrv_connection;
  53 struct dcesrv_context;
  54
  55 bool srv_check_sign_mac(struct smbXsrv_connection *conn,
  56                         const char *inbuf, uint32_t *seqnum, bool trusted_channel);
  57 NTSTATUS srv_calculate_sign_mac(struct smbXsrv_connection *conn,
  58                                 char *outbuf, uint32_t seqnum);
  59 void srv_cancel_sign_response(struct smbXsrv_connection *conn);
  60 bool srv_init_signing(struct smbXsrv_connection *conn);
  61 void srv_set_signing_negotiated(struct smbXsrv_connection *conn,
  62                                 bool allowed, bool mandatory);
  63 bool srv_is_signing_active(struct smbXsrv_connection *conn);
  64 bool srv_is_signing_negotiated(struct smbXsrv_connection *conn);
  65 void srv_set_signing(struct smbXsrv_connection *conn,
  66                      const DATA_BLOB user_session_key,
  67                      const DATA_BLOB response);
  68
  69 /* The following definitions come from smbd/aio.c  */
  70
  71 struct aio_extra;
  72 bool aio_write_through_requested(struct aio_extra *aio_ex);
  73 NTSTATUS schedule_aio_read_and_X(connection_struct *conn,
  74                              struct smb_request *req,
  75                              files_struct *fsp, off_t startpos,
  76                              size_t smb_maxcnt);
  77 NTSTATUS schedule_aio_write_and_X(connection_struct *conn,
  78                               struct smb_request *req,
  79                               files_struct *fsp, const char *data,
  80                               off_t startpos,
  81                               size_t numtowrite);
  82 NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
  83                                 struct smb_request *smbreq,
  84                                 files_struct *fsp,
  85                                 TALLOC_CTX *ctx,
  86                                 DATA_BLOB *preadbuf,
  87                                 off_t startpos,
  88                                 size_t smb_maxcnt);
  89 NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
  90                                 struct smb_request *smbreq,
  91                                 files_struct *fsp,
  92                                 uint64_t in_offset,
  93                                 DATA_BLOB in_data,
  94                                 bool write_through);
  95 bool cancel_smb2_aio(struct smb_request *smbreq);
  96 bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
  97
  98 /* The following definitions come from smbd/blocking.c  */
  99
 100 NTSTATUS smbd_do_locks_try(
 101         struct files_struct *fsp,
 102         enum brl_flavour lock_flav,
 103         uint16_t num_locks,
 104         struct smbd_lock_element *locks,
 105         uint16_t *blocker_idx,
 106         struct server_id *blocking_pid,
 107         uint64_t *blocking_smblctx);
 108 struct tevent_req *smbd_smb1_do_locks_send(
 109         TALLOC_CTX *mem_ctx,
 110         struct tevent_context *ev,
 111         struct smb_request **smbreq, /* talloc_move()d into our state */
 112         struct files_struct *fsp,
 113         uint32_t lock_timeout,
 114         bool large_offset,
 115         enum brl_flavour lock_flav,
 116         uint16_t num_locks,
 117         struct smbd_lock_element *locks);
 118 NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req);
 119 bool smbd_smb1_do_locks_extract_smbreq(
 120         struct tevent_req *req,
 121         TALLOC_CTX *mem_ctx,
 122         struct smb_request **psmbreq);
 123 void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status);
 124 bool smbd_smb1_brl_finish_by_lock(
 125         struct files_struct *fsp,
 126         bool large_offset,
 127         enum brl_flavour lock_flav,
 128         struct smbd_lock_element lock,
 129         NTSTATUS finish_status);
 130 bool smbd_smb1_brl_finish_by_mid(
 131         struct smbd_server_connection *sconn, uint64_t mid);
 132
 133 /* The following definitions come from smbd/close.c  */
 134
 135 void set_close_write_time(struct files_struct *fsp, struct timespec ts);
 136 NTSTATUS close_file(struct smb_request *req, files_struct *fsp,
 137                     enum file_close_type close_type);
 138 void msg_close_file(struct messaging_context *msg_ctx,
 139                     void *private_data,
 140                     uint32_t msg_type,
 141                     struct server_id server_id,
 142                     DATA_BLOB *data);
 143 NTSTATUS delete_all_streams(connection_struct *conn,
 144                         const struct smb_filename *smb_fname);
 145 bool recursive_rmdir(TALLOC_CTX *ctx,
 146                      connection_struct *conn,
 147                      struct smb_filename *smb_dname);
 148 bool has_other_nonposix_opens(struct share_mode_lock *lck,
 149                               struct files_struct *fsp);
 150
 151 /* The following definitions come from smbd/conn.c  */
 152
 153 int conn_num_open(struct smbd_server_connection *sconn);
 154 bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
 155 connection_struct *conn_new(struct smbd_server_connection *sconn);
 156 bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
 157 void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid);
 158 void conn_free(connection_struct *conn);
 159 void conn_setup_case_options(connection_struct *conn);
 160 void conn_force_tdis(
 161         struct smbd_server_connection *sconn,
 162         bool (*check_fn)(struct connection_struct *conn,
 163                          void *private_data),
 164         void *private_data);
 165 void msg_force_tdis(struct messaging_context *msg,
 166                     void *private_data,
 167                     uint32_t msg_type,
 168                     struct server_id server_id,
 169                     DATA_BLOB *data);
 170 void msg_force_tdis_denied(
 171         struct messaging_context *msg,
 172         void *private_data,
 173         uint32_t msg_type,
 174         struct server_id server_id,
 175         DATA_BLOB *data);
 176
 177 /* The following definitions come from smbd/connection.c  */
 178
 179 int count_current_connections(const char *sharename, bool verify);
 180 bool connections_snum_used(struct smbd_server_connection *unused, int snum);
 181
 182 /* The following definitions come from smbd/dfree.c  */
 183
 184 uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname,
 185                         uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 186 void flush_dfree_cache(void);
 187
 188 /* The following definitions come from smbd/dir.c  */
 189
 190 bool init_dptrs(struct smbd_server_connection *sconn);
 191 const char *dptr_path(struct smbd_server_connection *sconn, int key);
 192 const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
 193 uint16_t dptr_attr(struct smbd_server_connection *sconn, int key);
 194 void dptr_closecnum(connection_struct *conn);
 195 NTSTATUS dptr_create(connection_struct *conn,
 196                 struct smb_request *req,
 197                 files_struct *fsp,
 198                 bool old_handle,
 199                 bool expect_close,
 200                 uint16_t spid,
 201                 const char *wcard,
 202                 uint32_t attr,
 203                 struct dptr_struct **dptr_ret);
 204 void dptr_CloseDir(files_struct *fsp);
 205 void dptr_SeekDir(struct dptr_struct *dptr, long offset);
 206 long dptr_TellDir(struct dptr_struct *dptr);
 207 bool dptr_has_wild(struct dptr_struct *dptr);
 208 int dptr_dnum(struct dptr_struct *dptr);
 209 bool dptr_get_priv(struct dptr_struct *dptr);
 210 void dptr_set_priv(struct dptr_struct *dptr);
 211 bool dptr_SearchDir(struct dptr_struct *dptr, const char *name, long *poffset, SMB_STRUCT_STAT *pst);
 212 bool dptr_fill(struct smbd_server_connection *sconn,
 213                char *buf1,unsigned int key);
 214 files_struct *dptr_fetch_fsp(struct smbd_server_connection *sconn,
 215                                char *buf,int *num);
 216 struct smb_Dir;
 217 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
 218 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
 219                                        int dptr_num);
 220 bool get_dir_entry(TALLOC_CTX *ctx,
 221                 struct dptr_struct *dirptr,
 222                 const char *mask,
 223                 uint32_t dirtype,
 224                 char **pp_fname_out,
 225                 off_t *size,
 226                 uint32_t *mode,
 227                 struct timespec *date,
 228                 bool check_descend,
 229                 bool ask_sharemode);
 230 struct smb_Dir;
 231 bool is_visible_file(connection_struct *conn,
 232                 struct smb_Dir *dir_hnd,
 233                 const char *name,
 234                 SMB_STRUCT_STAT *pst,
 235                 bool use_veto);
 236 struct smb_Dir *OpenDir(TALLOC_CTX *mem_ctx,
 237                         connection_struct *conn,
 238                         const struct smb_filename *smb_fname,
 239                         const char *mask,
 240                         uint32_t attr);
 241 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
 242                         SMB_STRUCT_STAT *sbuf, char **talloced);
 243 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
 244 void SeekDir(struct smb_Dir *dirp, long offset);
 245 long TellDir(struct smb_Dir *dirp);
 246 bool SearchDir(struct smb_Dir *dirp, const char *name, long *poffset);
 247 NTSTATUS can_delete_directory(struct connection_struct *conn,
 248                                 const char *dirname);
 249 bool have_file_open_below(connection_struct *conn,
 250                         const struct smb_filename *name);
 251
 252 /* The following definitions come from smbd/dmapi.c  */
 253
 254 const void *dmapi_get_current_session(void);
 255 bool dmapi_have_session(void);
 256 bool dmapi_new_session(void);
 257 bool dmapi_destroy_session(void);
 258 uint32_t dmapi_file_flags(const char * const path);
 259
 260 /* The following definitions come from smbd/dnsregister.c  */
 261
 262 bool smbd_setup_mdns_registration(struct tevent_context *ev,
 263                                   TALLOC_CTX *mem_ctx,
 264                                   uint16_t port);
 265
 266 /* The following definitions come from smbd/dosmode.c  */
 267
 268 mode_t unix_mode(connection_struct *conn, int dosmode,
 269                  const struct smb_filename *smb_fname,
 270                  struct smb_filename *smb_fname_parent);
 271 uint32_t dos_mode_msdfs(connection_struct *conn,
 272                       const struct smb_filename *smb_fname);
 273 uint32_t fdos_mode(struct files_struct *fsp);
 274 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
 275                                     struct tevent_context *ev,
 276                                     files_struct *dir_fsp,
 277                                     struct smb_filename *smb_fname);
 278 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
 279 int file_set_dosmode(connection_struct *conn,
 280                      struct smb_filename *smb_fname,
 281                      uint32_t dosmode,
 282                      struct smb_filename *parent_dir,
 283                      bool newfile);
 284 NTSTATUS file_set_sparse(connection_struct *conn,
 285                          struct files_struct *fsp,
 286                          bool sparse);
 287 int file_ntimes(connection_struct *conn, const struct smb_filename *smb_fname,
 288                 struct smb_file_time *ft);
 289 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
 290 bool set_sticky_write_time_fsp(struct files_struct *fsp,
 291                                struct timespec mtime);
 292
 293 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
 294                               uint32_t *pattr);
 295 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
 296                               const struct smb_filename *smb_fname,
 297                               uint32_t dosmode);
 298
 299 NTSTATUS set_create_timespec_ea(connection_struct *conn,
 300                                 const struct smb_filename *smb_fname,
 301                                 struct timespec create_time);
 302
 303 struct timespec get_create_timespec(connection_struct *conn,
 304                                 struct files_struct *fsp,
 305                                 const struct smb_filename *smb_fname);
 306
 307 struct timespec get_change_timespec(connection_struct *conn,
 308                                 struct files_struct *fsp,
 309                                 const struct smb_filename *smb_fname);
 310
 311 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
 312                                   DATA_BLOB blob,
 313                                   uint32_t *pattr);
 314
 315 /* The following definitions come from smbd/error.c  */
 316
 317 bool use_nt_status(void);
 318 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
 319 size_t error_packet(char *outbuf,
 320                     uint8_t eclass,
 321                     uint32_t ecode,
 322                     NTSTATUS ntstatus,
 323                     int line,
 324                     const char *file);
 325 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
 326                     int line, const char *file);
 327 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 328                     int line, const char *file);
 329 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 330                       NTSTATUS status, int line, const char *file);
 331 void reply_openerror(struct smb_request *req, NTSTATUS status);
 332
 333 /* The following definitions come from smbd/file_access.c  */
 334
 335 bool can_delete_file_in_directory(connection_struct *conn,
 336                         struct files_struct *dirfsp,
 337                         const struct smb_filename *smb_fname);
 338 bool can_write_to_file(connection_struct *conn,
 339                         struct files_struct *dirfsp,
 340                         const struct smb_filename *smb_fname);
 341 bool directory_has_default_acl(connection_struct *conn,
 342                         struct files_struct *dirfsp,
 343                         struct smb_filename *smb_fname);
 344 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
 345
 346 /* The following definitions come from smbd/fileio.c  */
 347
 348 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
 349 void fsp_flush_write_time_update(struct files_struct *fsp);
 350 void trigger_write_time_update(struct files_struct *fsp);
 351 void trigger_write_time_update_immediate(struct files_struct *fsp);
 352 void mark_file_modified(files_struct *fsp);
 353 ssize_t write_file(struct smb_request *req,
 354                         files_struct *fsp,
 355                         const char *data,
 356                         off_t pos,
 357                         size_t n);
 358 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
 359
 360 /* The following definitions come from smbd/filename.c  */
 361
 362 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
 363 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
 364 NTSTATUS unix_convert(TALLOC_CTX *ctx,
 365                       connection_struct *conn,
 366                       const char *orig_path,
 367                       NTTIME twrp,
 368                       struct smb_filename **smb_fname,
 369                       uint32_t ucf_flags);
 370 NTSTATUS check_name(connection_struct *conn,
 371                         const struct smb_filename *smb_fname);
 372 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
 373                                     uint32_t ucf_flags,
 374                                     NTTIME twrp);
 375 int get_real_filename(connection_struct *conn,
 376                       struct smb_filename *path,
 377                       const char *name,
 378                       TALLOC_CTX *mem_ctx,
 379                       char **found_name);
 380 int get_real_filename_full_scan(connection_struct *conn,
 381                                 const char *path,
 382                                 const char *name,
 383                                 bool mangled,
 384                                 TALLOC_CTX *mem_ctx,
 385                                 char **found_name);
 386 char *get_original_lcomp(TALLOC_CTX *ctx,
 387                         connection_struct *conn,
 388                         const char *filename_in,
 389                         uint32_t ucf_flags);
 390 NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
 391                         connection_struct *conn,
 392                         const char *name_in,
 393                         uint32_t ucf_flags,
 394                         NTTIME twrp,
 395                         struct smb_filename **pp_smb_fname);
 396 NTSTATUS filename_convert_with_privilege(TALLOC_CTX *mem_ctx,
 397                         connection_struct *conn,
 398                         struct smb_request *smbreq,
 399                         const char *name_in,
 400                         uint32_t ucf_flags,
 401                         struct smb_filename **pp_smb_fname);
 402
 403 /* The following definitions come from smbd/files.c  */
 404
 405 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
 406                  files_struct **result);
 407 void fsp_set_gen_id(files_struct *fsp);
 408 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
 409                   files_struct **result);
 410 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
 411 void file_close_conn(connection_struct *conn);
 412 bool file_init_global(void);
 413 bool file_init(struct smbd_server_connection *sconn);
 414 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
 415 struct files_struct *files_forall(
 416         struct smbd_server_connection *sconn,
 417         struct files_struct *(*fn)(struct files_struct *fsp,
 418                                    void *private_data),
 419         void *private_data);
 420 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
 421 files_struct *file_find_dif(struct smbd_server_connection *sconn,
 422                             struct file_id id, unsigned long gen_id);
 423 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
 424                                  struct file_id id,
 425                                  bool need_fsa);
 426 files_struct *file_find_di_next(files_struct *start_fsp,
 427                                  bool need_fsa);
 428 struct files_struct *file_find_one_fsp_from_lease_key(
 429         struct smbd_server_connection *sconn,
 430         const struct smb2_lease_key *lease_key);
 431 bool file_find_subpath(files_struct *dir_fsp);
 432 void file_free(struct smb_request *req, files_struct *fsp);
 433 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
 434 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
 435                                   uint64_t persistent_id,
 436                                   uint64_t volatile_id);
 437 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
 438                                    uint64_t persistent_id,
 439                                    uint64_t volatile_id);
 440 NTSTATUS dup_file_fsp(
 441         struct smb_request *req,
 442         files_struct *from,
 443         uint32_t access_mask,
 444         uint32_t create_options,
 445         files_struct *to);
 446 NTSTATUS file_name_hash(connection_struct *conn,
 447                         const char *name, uint32_t *p_name_hash);
 448 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
 449                            const struct smb_filename *smb_fname_in);
 450 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
 451 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
 452
 453 NTSTATUS create_internal_fsp(connection_struct *conn,
 454                              const struct smb_filename *smb_fname,
 455                              struct files_struct **_fsp);
 456 NTSTATUS create_internal_dirfsp(connection_struct *conn,
 457                                 const struct smb_filename *smb_dname,
 458                                 struct files_struct **_fsp);
 459
 460 NTSTATUS open_internal_dirfsp(connection_struct *conn,
 461                               const struct smb_filename *smb_dname,
 462                               int open_flags,
 463                               struct files_struct **_fsp);
 464
 465 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
 466                             struct smb_filename *smb_fname);
 467
 468 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
 469
 470 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
 471                                  struct smb_filename *smb_fname_src);
 472
 473 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
 474                            struct files_struct *dirfsp,
 475                            const char *base_name,
 476                            const char *stream_name,
 477                            const SMB_STRUCT_STAT *psbuf,
 478                            NTTIME twrp,
 479                            uint32_t flags,
 480                            struct smb_filename **_smb_fname);
 481
 482 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
 483                         struct files_struct *dirfsp,
 484                         const struct smb_filename *smb_fname,
 485                         struct smb_filename **_parent,
 486                         struct smb_filename **_atname);
 487
 488 /* The following definitions come from smbd/ipc.c  */
 489
 490 NTSTATUS nt_status_np_pipe(NTSTATUS status);
 491 void send_trans_reply(connection_struct *conn,
 492                       struct smb_request *req,
 493                       char *rparam, int rparam_len,
 494                       char *rdata, int rdata_len,
 495                       bool buffer_too_large);
 496 void reply_trans(struct smb_request *req);
 497 void reply_transs(struct smb_request *req);
 498
 499 /* The following definitions come from smbd/lanman.c  */
 500
 501 void api_reply(connection_struct *conn, uint64_t vuid,
 502                struct smb_request *req,
 503                char *data, char *params,
 504                int tdscnt, int tpscnt,
 505                int mdrcnt, int mprcnt);
 506
 507 /* The following definitions come from smbd/mangle.c  */
 508
 509 void mangle_reset_cache(void);
 510 void mangle_change_to_posix(void);
 511 bool mangle_is_mangled(const char *s, const struct share_params *p);
 512 bool mangle_is_8_3(const char *fname, bool check_case,
 513                    const struct share_params *p);
 514 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
 515                              const struct share_params *p);
 516 bool mangle_must_mangle(const char *fname,
 517                    const struct share_params *p);
 518 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
 519                         const char *in,
 520                         char **out, /* talloced on the given context. */
 521                         const struct share_params *p);
 522 bool name_to_8_3(const char *in,
 523                 char out[13],
 524                 bool cache83,
 525                 const struct share_params *p);
 526
 527 /* The following definitions come from smbd/mangle_hash.c  */
 528
 529 const struct mangle_fns *mangle_hash_init(void);
 530
 531 /* The following definitions come from smbd/mangle_hash2.c  */
 532
 533 const struct mangle_fns *mangle_hash2_init(void);
 534 const struct mangle_fns *posix_mangle_init(void);
 535
 536 /* The following definitions come from smbd/message.c  */
 537
 538 void reply_sends(struct smb_request *req);
 539 void reply_sendstrt(struct smb_request *req);
 540 void reply_sendtxt(struct smb_request *req);
 541 void reply_sendend(struct smb_request *req);
 542
 543 /* The following definitions come from smbd/msdfs.c  */
 544
 545 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
 546                         bool shuffle_referrals,
 547                         const char *target,
 548                         struct referral **preflist,
 549                         size_t *refcount);
 550 bool is_msdfs_link(connection_struct *conn,
 551                 struct smb_filename *smb_fname);
 552 struct junction_map;
 553 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
 554                            struct auth_session_info *session_info,
 555                            const char *dfs_path,
 556                            const struct tsocket_address *remote_address,
 557                            const struct tsocket_address *local_address,
 558                            bool allow_broken_path,
 559                            struct junction_map *jucn,
 560                            int *consumedcntp,
 561                            bool *self_referralp);
 562 int setup_dfs_referral(connection_struct *orig_conn,
 563                         const char *dfs_path,
 564                         int max_referral_level,
 565                         char **ppdata, NTSTATUS *pstatus);
 566 bool create_junction(TALLOC_CTX *ctx,
 567                 const char *dfs_path,
 568                 bool allow_broken_path,
 569                 struct junction_map *jucn);
 570 struct referral;
 571 char *msdfs_link_string(TALLOC_CTX *ctx,
 572                 const struct referral *reflist,
 573                 size_t referral_count);
 574 bool create_msdfs_link(const struct junction_map *jucn,
 575                        struct auth_session_info *session_info);
 576 bool remove_msdfs_link(const struct junction_map *jucn,
 577                        struct auth_session_info *session_info);
 578
 579 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
 580                                       struct auth_session_info *session_info,
 581                                       size_t *p_num_jn);
 582 NTSTATUS dfs_redirect(TALLOC_CTX *ctx,
 583                         connection_struct *conn,
 584                         const char *name_in,
 585                         uint32_t ucf_flags,
 586                         bool allow_broken_path,
 587                         char **pp_name_out);
 588 struct connection_struct;
 589 struct smb_filename;
 590 struct conn_struct_tos {
 591         struct connection_struct *conn;
 592         struct smb_filename *oldcwd_fname;
 593 };
 594 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
 595                                 int snum,
 596                                 const char *path,
 597                                 const struct auth_session_info *session_info,
 598                                 struct conn_struct_tos **_c);
 599 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
 600                                     int snum,
 601                                     const char *path,
 602                                     const struct auth_session_info *session_info,
 603                                     struct conn_struct_tos **_c);
 604
 605 /* The following definitions come from smbd/negprot.c  */
 606
 607 void reply_negprot(struct smb_request *req);
 608
 609 /* The following definitions come from smbd/notify.c  */
 610
 611 bool change_notify_fsp_has_changes(struct files_struct *fsp);
 612 void change_notify_reply(struct smb_request *req,
 613                          NTSTATUS error_code,
 614                          uint32_t max_param,
 615                          struct notify_change_buf *notify_buf,
 616                          void (*reply_fn)(struct smb_request *req,
 617                                           NTSTATUS error_code,
 618                                           uint8_t *buf, size_t len));
 619 void notify_callback(struct smbd_server_connection *sconn,
 620                      void *private_data, struct timespec when,
 621                      const struct notify_event *e);
 622 NTSTATUS change_notify_create(struct files_struct *fsp,
 623                               uint32_t max_buffer_size,
 624                               uint32_t filter,
 625                               bool recursive);
 626 NTSTATUS change_notify_add_request(struct smb_request *req,
 627                                 uint32_t max_param,
 628                                 uint32_t filter, bool recursive,
 629                                 struct files_struct *fsp,
 630                                 void (*reply_fn)(struct smb_request *req,
 631                                         NTSTATUS error_code,
 632                                         uint8_t *buf, size_t len));
 633 void smbd_notify_cancel_deleted(struct messaging_context *msg,
 634                                 void *private_data, uint32_t msg_type,
 635                                 struct server_id server_id, DATA_BLOB *data);
 636 void smbd_notifyd_restarted(struct messaging_context *msg,
 637                             void *private_data, uint32_t msg_type,
 638                             struct server_id server_id, DATA_BLOB *data);
 639 bool remove_pending_change_notify_requests_by_mid(
 640         struct smbd_server_connection *sconn, uint64_t mid);
 641 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
 642                                                   NTSTATUS status);
 643 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
 644                   const char *path);
 645 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
 646 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
 647                                                      struct tevent_context *ev);
 648
 649 /* The following definitions come from smbd/notify_inotify.c  */
 650
 651 int inotify_watch(TALLOC_CTX *mem_ctx,
 652                   struct sys_notify_context *ctx,
 653                   const char *path,
 654                   uint32_t *filter,
 655                   uint32_t *subdir_filter,
 656                   void (*callback)(struct sys_notify_context *ctx,
 657                                    void *private_data,
 658                                    struct notify_event *ev,
 659                                    uint32_t filter),
 660                   void *private_data,
 661                   void *handle_p);
 662
 663 int fam_watch(TALLOC_CTX *mem_ctx,
 664               struct sys_notify_context *ctx,
 665               const char *path,
 666               uint32_t *filter,
 667               uint32_t *subdir_filter,
 668               void (*callback)(struct sys_notify_context *ctx,
 669                                void *private_data,
 670                                struct notify_event *ev,
 671                                uint32_t filter),
 672               void *private_data,
 673               void *handle_p);
 674
 675
 676 /* The following definitions come from smbd/notify_internal.c  */
 677
 678 struct notify_context *notify_init(
 679         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
 680         struct smbd_server_connection *sconn,
 681         void (*callback)(struct smbd_server_connection *sconn,
 682                          void *, struct timespec,
 683                          const struct notify_event *));
 684 NTSTATUS notify_add(struct notify_context *ctx,
 685                     const char *path, uint32_t filter, uint32_t subdir_filter,
 686                     void *private_data);
 687 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
 688                        char *path);
 689 void notify_trigger(struct notify_context *notify,
 690                     uint32_t action, uint32_t filter,
 691                     const char *dir, const char *path);
 692
 693 /* The following definitions come from smbd/ntquotas.c  */
 694
 695 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
 696                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 697 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 698 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
 699 void *init_quota_handle(TALLOC_CTX *mem_ctx);
 700
 701 /* The following definitions come from smbd/nttrans.c  */
 702
 703 void reply_ntcreate_and_X(struct smb_request *req);
 704 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
 705                        uint32_t security_info_sent);
 706 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
 707                        uint32_t security_info_sent);
 708 struct ea_list *read_nttrans_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size);
 709 void reply_ntcancel(struct smb_request *req);
 710 void reply_ntrename(struct smb_request *req);
 711 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
 712                                         TALLOC_CTX *mem_ctx,
 713                                         files_struct *fsp,
 714                                         uint32_t security_info_wanted,
 715                                         uint32_t max_data_count,
 716                                         uint8_t **ppmarshalled_sd,
 717                                         size_t *psd_size);
 718 #ifdef HAVE_SYS_QUOTAS
 719
 720 struct smb2_query_quota_info;
 721
 722 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
 723                                      files_struct *fsp,
 724                                      bool restart_scan,
 725                                      bool return_single,
 726                                      uint32_t sid_list_length,
 727                                      DATA_BLOB *sidbuffer,
 728                                      uint32_t max_data_count,
 729                                      uint8_t **p_data,
 730                                      uint32_t *p_data_size);
 731 #endif
 732 void reply_nttrans(struct smb_request *req);
 733 void reply_nttranss(struct smb_request *req);
 734
 735 /* The following definitions come from smbd/open.c  */
 736
 737 NTSTATUS smbd_check_access_rights(struct connection_struct *conn,
 738                                 struct files_struct *dirfsp,
 739                                 const struct smb_filename *smb_fname,
 740                                 bool use_privs,
 741                                 uint32_t access_mask);
 742 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *fsp,
 743                                       bool use_privs,
 744                                       uint32_t access_mask);
 745 NTSTATUS check_parent_access(struct connection_struct *conn,
 746                                 struct files_struct *dirfsp,
 747                                 struct smb_filename *smb_fname,
 748                                 uint32_t access_mask);
 749 NTSTATUS fd_openat(const struct files_struct *dirfsp,
 750                    struct smb_filename *smb_fname,
 751                    files_struct *fsp,
 752                    int flags, mode_t mode);
 753 NTSTATUS fd_close(files_struct *fsp);
 754 void change_file_owner_to_parent(connection_struct *conn,
 755                                  struct smb_filename *inherit_from_dir,
 756                                  files_struct *fsp);
 757 bool is_oplock_stat_open(uint32_t access_mask);
 758 bool is_lease_stat_open(uint32_t access_mask);
 759 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
 760                             const struct file_id *id,
 761                             const struct share_mode_entry *exclusive,
 762                             uint16_t break_to);
 763 struct deferred_open_record;
 764 bool is_deferred_open_async(const struct deferred_open_record *rec);
 765 bool defer_smb1_sharing_violation(struct smb_request *req);
 766 NTSTATUS create_directory(connection_struct *conn, struct smb_request *req,
 767                           struct smb_filename *smb_dname);
 768 void msg_file_was_renamed(struct messaging_context *msg,
 769                           void *private_data,
 770                           uint32_t msg_type,
 771                           struct server_id server_id,
 772                           DATA_BLOB *data);
 773 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
 774                                  const struct smb2_lease_key *key,
 775                                  uint32_t current_state,
 776                                  uint16_t lease_version,
 777                                  uint16_t lease_epoch);
 778 NTSTATUS create_file_default(connection_struct *conn,
 779                              struct smb_request *req,
 780                              struct smb_filename * smb_fname,
 781                              uint32_t access_mask,
 782                              uint32_t share_access,
 783                              uint32_t create_disposition,
 784                              uint32_t create_options,
 785                              uint32_t file_attributes,
 786                              uint32_t oplock_request,
 787                              const struct smb2_lease *lease,
 788                              uint64_t allocation_size,
 789                              uint32_t private_flags,
 790                              struct security_descriptor *sd,
 791                              struct ea_list *ea_list,
 792                              files_struct **result,
 793                              int *pinfo,
 794                              const struct smb2_create_blobs *in_context_blobs,
 795                              struct smb2_create_blobs *out_context_blobs);
 796
 797 /* The following definitions come from smbd/oplock.c  */
 798
 799 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
 800
 801 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
 802 NTSTATUS set_file_oplock(files_struct *fsp);
 803 bool remove_oplock(files_struct *fsp);
 804 bool downgrade_oplock(files_struct *fsp);
 805 bool fsp_lease_update(struct files_struct *fsp);
 806 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
 807                         uint32_t num_file_ids,
 808                         const struct file_id *ids,
 809                         const struct smb2_lease_key *key,
 810                         uint32_t lease_state);
 811 void contend_level2_oplocks_begin(files_struct *fsp,
 812                                   enum level2_contention_type type);
 813 void contend_level2_oplocks_end(files_struct *fsp,
 814                                 enum level2_contention_type type);
 815 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
 816                                   enum level2_contention_type type);
 817 void smbd_contend_level2_oplocks_end(files_struct *fsp,
 818                                 enum level2_contention_type type);
 819 void share_mode_entry_to_message(char *msg, const struct file_id *id,
 820                                  const struct share_mode_entry *e);
 821 void message_to_share_mode_entry(struct file_id *id,
 822                                  struct share_mode_entry *e,
 823                                  const char *msg);
 824 bool init_oplocks(struct smbd_server_connection *sconn);
 825 void init_kernel_oplocks(struct smbd_server_connection *sconn);
 826
 827 /* The following definitions come from smbd/oplock_linux.c  */
 828
 829 int linux_set_lease_sighandler(int fd);
 830 int linux_setlease(int fd, int leasetype);
 831 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
 832
 833 /* The following definitions come from smbd/password.c  */
 834
 835 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
 836 int register_homes_share(const char *username);
 837
 838 /* The following definitions come from smbd/pipes.c  */
 839
 840 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
 841                       struct files_struct **pfsp);
 842 void reply_open_pipe_and_X(connection_struct *conn, struct smb_request *req);
 843 void reply_pipe_write(struct smb_request *req);
 844 void reply_pipe_write_and_X(struct smb_request *req);
 845 void reply_pipe_read_and_X(struct smb_request *req);
 846
 847 /* The following definitions come from smbd/posix_acls.c  */
 848
 849 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
 850 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
 851 uint32_t map_canon_ace_perms(int snum,
 852                                 enum security_ace_type *pacl_type,
 853                                 mode_t perms,
 854                                 bool directory_ace);
 855 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
 856 bool current_user_in_group(connection_struct *conn, gid_t gid);
 857 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
 858 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
 859                            TALLOC_CTX *mem_ctx,
 860                            struct security_descriptor **ppdesc);
 861 NTSTATUS posix_get_nt_acl(struct connection_struct *conn,
 862                         const struct smb_filename *smb_fname_in,
 863                         uint32_t security_info,
 864                         TALLOC_CTX *mem_ctx,
 865                         struct security_descriptor **ppdesc);
 866 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
 867 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
 868 int get_acl_group_bits( connection_struct *conn,
 869                         const struct smb_filename *smb_fname,
 870                         mode_t *mode);
 871 int inherit_access_posix_acl(connection_struct *conn,
 872                         struct smb_filename *inherit_from_dir,
 873                         const struct smb_filename *smb_fname,
 874                         mode_t mode);
 875 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
 876                                 files_struct *fsp,
 877                                 uint16_t num_def_acls, const char *pdata);
 878 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
 879                                 uint16_t num_acls,
 880                                 const char *pdata);
 881 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
 882                                 const struct smb_filename *smb_fname,
 883                                 TALLOC_CTX *mem_ctx,
 884                                 char **blob_description,
 885                                 DATA_BLOB *blob);
 886 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 887                               files_struct *fsp,
 888                               TALLOC_CTX *mem_ctx,
 889                               char **blob_description,
 890                               DATA_BLOB *blob);
 891
 892 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
 893
 894 const struct enum_list *get_default_acl_style_list(void);
 895
 896 NTSTATUS make_default_filesystem_acl(
 897         TALLOC_CTX *ctx,
 898         enum default_acl_style acl_style,
 899         const char *name,
 900         const SMB_STRUCT_STAT *psbuf,
 901         struct security_descriptor **ppdesc);
 902
 903 /* The following definitions come from smbd/process.c  */
 904
 905 bool srv_send_smb(struct smbXsrv_connection *xconn, char *buffer,
 906                   bool no_signing, uint32_t seqnum,
 907                   bool do_encrypt,
 908                   struct smb_perfcount_data *pcd);
 909 size_t srv_set_message(char *buf,
 910                        size_t num_words,
 911                        size_t num_bytes,
 912                        bool zero);
 913 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 914                                       uint64_t mid);
 915 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 916                                         uint64_t mid);
 917 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
 918 bool get_deferred_open_message_state(struct smb_request *smbreq,
 919                                 struct timeval *p_request_time,
 920                                 struct deferred_open_record **open_rec);
 921 bool push_deferred_open_message_smb(struct smb_request *req,
 922                                     struct timeval timeout,
 923                                     struct file_id id,
 924                                     struct deferred_open_record *open_rec);
 925 NTSTATUS allow_new_trans(struct trans_state *list, uint64_t mid);
 926 void reply_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
 927 void smb_request_done(struct smb_request *req);
 928 const char *smb_fn_name(int type);
 929 void add_to_common_flags2(uint32_t v);
 930 void remove_from_common_flags2(uint32_t v);
 931 void construct_reply_common_req(struct smb_request *req, char *outbuf);
 932 bool smb1_is_chain(const uint8_t *buf);
 933 bool smb1_walk_chain(const uint8_t *buf,
 934                      bool (*fn)(uint8_t cmd,
 935                                 uint8_t wct, const uint16_t *vwv,
 936                                 uint16_t num_bytes, const uint8_t *bytes,
 937                                 void *private_data),
 938                      void *private_data);
 939 unsigned smb1_chain_length(const uint8_t *buf);
 940 bool smb1_parse_chain(TALLOC_CTX *mem_ctx, const uint8_t *buf,
 941                       struct smbXsrv_connection *xconn,
 942                       bool encrypted, uint32_t seqnum,
 943                       struct smb_request ***reqs, unsigned *num_reqs);
 944 bool req_is_in_chain(const struct smb_request *req);
 945 void smbd_process(struct tevent_context *ev_ctx,
 946                   struct messaging_context *msg_ctx,
 947                   struct dcesrv_context *dce_ctx,
 948                   int sock_fd,
 949                   bool interactive);
 950 bool fork_echo_handler(struct smbXsrv_connection *xconn);
 951
 952 /* The following definitions come from smbd/quotas.c  */
 953
 954 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
 955                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 956
 957 /* The following definitions come from smbd/reply.c  */
 958
 959 NTSTATUS check_path_syntax(char *path);
 960 NTSTATUS check_path_syntax_posix(char *path);
 961 size_t srvstr_get_path(TALLOC_CTX *ctx,
 962                         const char *inbuf,
 963                         uint16_t smb_flags2,
 964                         char **pp_dest,
 965                         const char *src,
 966                         size_t src_len,
 967                         int flags,
 968                         NTSTATUS *err);
 969 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
 970                         const char *inbuf,
 971                         uint16_t smb_flags2,
 972                         char **pp_dest,
 973                         const char *src,
 974                         size_t src_len,
 975                         int flags,
 976                         NTSTATUS *err);
 977 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
 978                            char **pp_dest, const char *src, int flags,
 979                            NTSTATUS *err);
 980 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
 981                               char **dest, const uint8_t *src, int flags);
 982 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
 983                     files_struct *fsp);
 984 bool check_fsp(connection_struct *conn, struct smb_request *req,
 985                files_struct *fsp);
 986 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
 987                               files_struct *fsp);
 988 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
 989 void reply_tcon(struct smb_request *req);
 990 void reply_tcon_and_X(struct smb_request *req);
 991 void reply_unknown_new(struct smb_request *req, uint8_t type);
 992 void reply_ioctl(struct smb_request *req);
 993 void reply_checkpath(struct smb_request *req);
 994 void reply_getatr(struct smb_request *req);
 995 void reply_setatr(struct smb_request *req);
 996 void reply_dskattr(struct smb_request *req);
 997 void reply_search(struct smb_request *req);
 998 void reply_fclose(struct smb_request *req);
 999 void reply_open(struct smb_request *req);
1000 void reply_open_and_X(struct smb_request *req);
1001 void reply_ulogoffX(struct smb_request *req);
1002 void reply_mknew(struct smb_request *req);
1003 void reply_ctemp(struct smb_request *req);
1004 NTSTATUS unlink_internals(connection_struct *conn,
1005                         struct smb_request *req,
1006                         uint32_t dirtype,
1007                         struct smb_filename *smb_fname,
1008                         bool has_wcard);
1009 void reply_unlink(struct smb_request *req);
1010 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
1011                       off_t startpos, size_t nread);
1012 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
1013                             files_struct *fsp,
1014                             ssize_t nread,
1015                             size_t headersize,
1016                             size_t smb_maxcnt);
1017 void reply_readbraw(struct smb_request *req);
1018 void reply_lockread(struct smb_request *req);
1019 size_t setup_readX_header(char *outbuf, size_t smb_maxcnt);
1020 void reply_read(struct smb_request *req);
1021 void reply_read_and_X(struct smb_request *req);
1022 void error_to_writebrawerr(struct smb_request *req);
1023 void reply_writebraw(struct smb_request *req);
1024 void reply_writeunlock(struct smb_request *req);
1025 void reply_write(struct smb_request *req);
1026 bool is_valid_writeX_buffer(struct smbXsrv_connection *xconn,
1027                             const uint8_t *inbuf);
1028 void reply_write_and_X(struct smb_request *req);
1029 void reply_lseek(struct smb_request *req);
1030 void reply_flush(struct smb_request *req);
1031 void reply_exit(struct smb_request *req);
1032 void reply_close(struct smb_request *req);
1033 void reply_writeclose(struct smb_request *req);
1034 void reply_lock(struct smb_request *req);
1035 void reply_unlock(struct smb_request *req);
1036 void reply_tdis(struct smb_request *req);
1037 void reply_echo(struct smb_request *req);
1038 void reply_printopen(struct smb_request *req);
1039 void reply_printclose(struct smb_request *req);
1040 void reply_printqueue(struct smb_request *req);
1041 void reply_printwrite(struct smb_request *req);
1042 void reply_mkdir(struct smb_request *req);
1043 void reply_rmdir(struct smb_request *req);
1044 NTSTATUS rename_internals_fsp(connection_struct *conn,
1045                         files_struct *fsp,
1046                         struct smb_filename *smb_fname_dst_in,
1047                         const char *dst_original_lcomp,
1048                         uint32_t attrs,
1049                         bool replace_if_exists);
1050 NTSTATUS rename_internals(TALLOC_CTX *ctx,
1051                         connection_struct *conn,
1052                         struct smb_request *req,
1053                         struct smb_filename *smb_fname_src,
1054                         const char *src_original_lcomp,
1055                         struct smb_filename *smb_fname_dst,
1056                         const char *dst_original_lcomp,
1057                         uint32_t attrs,
1058                         bool replace_if_exists,
1059                         uint32_t access_mask);
1060 void reply_mv(struct smb_request *req);
1061 NTSTATUS copy_file(TALLOC_CTX *ctx,
1062                         connection_struct *conn,
1063                         struct smb_filename *smb_fname_src,
1064                         struct smb_filename *smb_fname_dst,
1065                         int ofun,
1066                         int count,
1067                         bool target_is_directory);
1068 void reply_copy(struct smb_request *req);
1069 uint64_t get_lock_pid(const uint8_t *data, int data_offset,
1070                     bool large_file_format);
1071 uint64_t get_lock_count(const uint8_t *data, int data_offset,
1072                         bool large_file_format);
1073 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
1074                          bool large_file_format);
1075 void reply_lockingX(struct smb_request *req);
1076 void reply_readbmpx(struct smb_request *req);
1077 void reply_readbs(struct smb_request *req);
1078 void reply_setattrE(struct smb_request *req);
1079 void reply_writebmpx(struct smb_request *req);
1080 void reply_writebs(struct smb_request *req);
1081 void reply_getattrE(struct smb_request *req);
1082
1083 /* The following definitions come from smbd/seal.c  */
1084
1085 bool is_encrypted_packet(const uint8_t *inbuf);
1086 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1087 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1088 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1089                             char **buf_out);
1090 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1091                                         unsigned char **ppdata,
1092                                         size_t *p_data_size,
1093                                         unsigned char **pparam,
1094                                         size_t *p_param_size);
1095 NTSTATUS srv_encryption_start(connection_struct *conn);
1096 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1097
1098 /* The following definitions come from smbd/sec_ctx.c  */
1099
1100 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1101 bool push_sec_ctx(void);
1102 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1103 void set_root_sec_ctx(void);
1104 bool pop_sec_ctx(void);
1105 void init_sec_ctx(void);
1106 const struct security_token *sec_ctx_active_token(void);
1107
1108 /* The following definitions come from smbd/server.c  */
1109
1110 struct memcache *smbd_memcache(void);
1111 bool snum_is_shared_printer(int snum);
1112 void delete_and_reload_printers(void);
1113 bool reload_services(struct smbd_server_connection *sconn,
1114                      bool (*snumused) (struct smbd_server_connection *, int),
1115                      bool test);
1116
1117 /* The following definitions come from smbd/server_exit.c  */
1118
1119 void smbd_exit_server(const char *reason) _NORETURN_;
1120 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1121
1122 /* The following definitions come from smbd/service.c  */
1123
1124 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1125 bool canonicalize_connect_path(connection_struct *conn);
1126 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1127 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1128 bool chdir_current_service(connection_struct *conn);
1129 void load_registry_shares(void);
1130 int add_home_service(const char *service, const char *username, const char *homedir);
1131 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1132 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1133                                         struct smbXsrv_tcon *tcon,
1134                                         int snum,
1135                                         const char *pdev,
1136                                         NTSTATUS *pstatus);
1137 connection_struct *make_connection(struct smb_request *req,
1138                                    NTTIME now,
1139                                    const char *service_in,
1140                                    const char *pdev, uint64_t vuid,
1141                                    NTSTATUS *status);
1142 void close_cnum(connection_struct *conn, uint64_t vuid);
1143
1144 /* The following definitions come from smbd/session.c  */
1145 struct sessionid;
1146 struct smbXsrv_session;
1147 bool session_init(void);
1148 bool session_claim(struct smbXsrv_session *session);
1149 void session_yield(struct smbXsrv_session *session);
1150 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1151 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1152                   const char *machine, struct sessionid **session_list);
1153
1154 /* The following definitions come from smbd/sesssetup.c  */
1155
1156 void reply_sesssetup_and_X(struct smb_request *req);
1157
1158 /* The following definitions come from smbd/share_access.c  */
1159
1160 bool token_contains_name_in_list(const char *username,
1161                                  const char *domain,
1162                                  const char *sharename,
1163                                  const struct security_token *token,
1164                                  const char **list);
1165 bool user_ok_token(const char *username, const char *domain,
1166                    const struct security_token *token, int snum);
1167 bool is_share_read_only_for_token(const char *username,
1168                                   const char *domain,
1169                                   const struct security_token *token,
1170                                   connection_struct *conn);
1171
1172 /* The following definitions come from smbd/srvstr.c  */
1173
1174 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1175                       const char *src, int dest_len, int flags, size_t *ret_len);
1176 ssize_t message_push_string(uint8_t **outbuf, const char *str, int flags);
1177
1178 /* The following definitions come from smbd/statcache.c  */
1179
1180 void stat_cache_add( const char *full_orig_name,
1181                 const char *translated_path,
1182                 NTTIME twrp,
1183                 bool case_sensitive);
1184 bool stat_cache_lookup(connection_struct *conn,
1185                         bool posix_paths,
1186                         char **pp_name,
1187                         char **pp_dirpath,
1188                         char **pp_start,
1189                         NTTIME twrp,
1190                         SMB_STRUCT_STAT *pst);
1191 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1192                                     const char *name);
1193 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1194                                     const char *name);
1195 void stat_cache_delete(const char *name);
1196 struct TDB_DATA;
1197 unsigned int fast_string_hash(struct TDB_DATA *key);
1198 bool reset_stat_cache( void );
1199
1200 /* The following definitions come from smbd/statvfs.c  */
1201
1202 int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf);
1203
1204 /* The following definitions come from smbd/trans2.c  */
1205
1206 NTSTATUS check_access_fsp(struct files_struct *fsp,
1207                           uint32_t access_mask);
1208 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1209 bool samba_private_attr_name(const char *unix_ea_name);
1210 NTSTATUS get_ea_value(TALLOC_CTX *mem_ctx, connection_struct *conn,
1211                         files_struct *fsp,
1212                         const struct smb_filename *smb_fname,
1213                         const char *ea_name,
1214                         struct ea_struct *pea);
1215 NTSTATUS get_ea_names_from_file(TALLOC_CTX *mem_ctx,
1216                         connection_struct *conn,
1217                         files_struct *fsp,
1218                         const struct smb_filename *smb_fname,
1219                         char ***pnames,
1220                         size_t *pnum_names);
1221 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1222                 struct ea_list *ea_list);
1223 struct ea_list *read_ea_list_entry(TALLOC_CTX *ctx, const char *pdata, size_t data_size, size_t *pbytes_used);
1224 void send_trans2_replies(connection_struct *conn,
1225                         struct smb_request *req,
1226                         NTSTATUS status,
1227                          const char *params,
1228                          int paramsize,
1229                          const char *pdata,
1230                          int datasize,
1231                          int max_data_bytes);
1232 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1233 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1234                 connection_struct *conn,
1235                 struct smb_request *req,
1236                 bool overwrite_if_exists,
1237                 const struct smb_filename *smb_fname_old,
1238                 struct smb_filename *smb_fname_new);
1239 NTSTATUS smb_set_file_time(connection_struct *conn,
1240                            files_struct *fsp,
1241                            struct smb_filename *smb_fname,
1242                            struct smb_file_time *ft,
1243                            bool setting_write_time);
1244 void reply_findclose(struct smb_request *req);
1245 void reply_findnclose(struct smb_request *req);
1246 void reply_trans2(struct smb_request *req);
1247 void reply_transs2(struct smb_request *req);
1248
1249 enum perm_type {
1250         PERM_NEW_FILE,
1251         PERM_NEW_DIR,
1252         PERM_EXISTING_FILE,
1253         PERM_EXISTING_DIR
1254 };
1255
1256 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1257                               const SMB_STRUCT_STAT *psbuf,
1258                               uint32_t perms,
1259                               enum perm_type ptype,
1260                               mode_t *ret_perms);
1261
1262 /* The following definitions come from smbd/uid.c  */
1263
1264 bool change_to_guest(void);
1265 NTSTATUS check_user_share_access(connection_struct *conn,
1266                                 const struct auth_session_info *session_info,
1267                                 uint32_t *p_share_access,
1268                                 bool *p_readonly_share);
1269 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1270 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1271 bool smbd_change_to_root_user(void);
1272 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1273 bool smbd_unbecome_authenticated_pipe_user(void);
1274 void become_root(void);
1275 void unbecome_root(void);
1276 void smbd_become_root(void);
1277 void smbd_unbecome_root(void);
1278 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1279 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1280 bool become_user_without_service_by_session(connection_struct *conn,
1281                             const struct auth_session_info *session_info);
1282 bool unbecome_user_without_service(void);
1283 uid_t get_current_uid(connection_struct *conn);
1284 gid_t get_current_gid(connection_struct *conn);
1285 const struct security_unix_token *get_current_utok(connection_struct *conn);
1286 const struct security_token *get_current_nttok(connection_struct *conn);
1287
1288 /* The following definitions come from smbd/utmp.c  */
1289
1290 void sys_utmp_claim(const char *username, const char *hostname,
1291                     const char *id_str, int id_num);
1292 void sys_utmp_yield(const char *username, const char *hostname,
1293                     const char *id_str, int id_num);
1294
1295 /* The following definitions come from smbd/vfs.c  */
1296
1297 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1298 bool smbd_vfs_init(connection_struct *conn);
1299 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1300 bool vfs_valid_pread_range(off_t offset, size_t length);
1301 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1302 ssize_t vfs_pwrite_data(struct smb_request *req,
1303                         files_struct *fsp,
1304                         const char *buffer,
1305                         size_t N,
1306                         off_t offset);
1307 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1308 int vfs_set_filelen(files_struct *fsp, off_t len);
1309 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1310 int vfs_fill_sparse(files_struct *fsp, off_t len);
1311 int vfs_set_blocking(files_struct *fsp, bool set);
1312 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1313 const char *vfs_readdirname(connection_struct *conn,
1314                             struct files_struct *dirfsp,
1315                             void *p,
1316                             SMB_STRUCT_STAT *sbuf,
1317                             char **talloced);
1318 int vfs_ChDir(connection_struct *conn,
1319                         const struct smb_filename *smb_fname);
1320 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1321 NTSTATUS check_reduced_name(connection_struct *conn,
1322                         const struct smb_filename *cwd_fname,
1323                         const struct smb_filename *smb_fname);
1324 NTSTATUS check_reduced_name_with_privilege(connection_struct *conn,
1325                         const struct smb_filename *smb_fname,
1326                         struct smb_request *smbreq);
1327 int vfs_stat(struct connection_struct *conn,
1328              struct smb_filename *smb_fname);
1329 int vfs_stat_smb_basename(struct connection_struct *conn,
1330                         const struct smb_filename *smb_fname_in,
1331                         SMB_STRUCT_STAT *psbuf);
1332 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1333 NTSTATUS vfs_streaminfo(connection_struct *conn,
1334                         struct files_struct *fsp,
1335                         const struct smb_filename *smb_fname,
1336                         TALLOC_CTX *mem_ctx,
1337                         unsigned int *num_streams,
1338                         struct stream_struct **streams);
1339 void init_smb_file_time(struct smb_file_time *ft);
1340 int vfs_fake_fd(void);
1341 int vfs_fake_fd_close(int fd);
1342
1343 /* The following definitions come from smbd/avahi_register.c */
1344
1345 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1346                            uint16_t port);
1347
1348 /* The following definitions come from smbd/smb2_create.c */
1349
1350 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1351                                     TALLOC_CTX *mem_ctx,
1352                                     DATA_BLOB *cookie_blob);
1353 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1354                                         const DATA_BLOB old_cookie,
1355                                         TALLOC_CTX *mem_ctx,
1356                                         DATA_BLOB *new_cookie);
1357 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1358                                        struct smb_request *smb1req,
1359                                        struct smbXsrv_open *op,
1360                                        const DATA_BLOB old_cookie,
1361                                        TALLOC_CTX *mem_ctx,
1362                                        files_struct **result,
1363                                        DATA_BLOB *new_cookie);
1364
1365 #endif /* _SMBD_PROTO_H_ */