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 struct smbXsrv_client;
  50 struct smbXsrv_connection;
  51 struct dcesrv_context;
  52
  53 /* The following definitions come from smbd/smb2_signing.c */
  54
  55 bool smb2_srv_init_signing(struct smbXsrv_connection *conn);
  56 bool srv_init_signing(struct smbXsrv_connection *conn);
  57
  58 /* The following definitions come from smbd/aio.c  */
  59
  60 struct aio_extra;
  61 bool aio_write_through_requested(struct aio_extra *aio_ex);
  62 NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
  63                                 struct smb_request *smbreq,
  64                                 files_struct *fsp,
  65                                 TALLOC_CTX *ctx,
  66                                 DATA_BLOB *preadbuf,
  67                                 off_t startpos,
  68                                 size_t smb_maxcnt);
  69 NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
  70                                 struct smb_request *smbreq,
  71                                 files_struct *fsp,
  72                                 uint64_t in_offset,
  73                                 DATA_BLOB in_data,
  74                                 bool write_through);
  75 bool cancel_smb2_aio(struct smb_request *smbreq);
  76 bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
  77 struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
  78                                    files_struct *fsp,
  79                                    size_t buflen);
  80 struct tevent_req *pwrite_fsync_send(TALLOC_CTX *mem_ctx,
  81                                      struct tevent_context *ev,
  82                                      struct files_struct *fsp,
  83                                      const void *data,
  84                                      size_t n, off_t offset,
  85                                      bool write_through);
  86 ssize_t pwrite_fsync_recv(struct tevent_req *req, int *perr);
  87
  88 /* The following definitions come from smbd/blocking.c  */
  89
  90 NTSTATUS smbd_do_locks_try(
  91         struct files_struct *fsp,
  92         uint16_t num_locks,
  93         struct smbd_lock_element *locks,
  94         uint16_t *blocker_idx,
  95         struct server_id *blocking_pid,
  96         uint64_t *blocking_smblctx);
  97 struct tevent_req *smbd_smb1_do_locks_send(
  98         TALLOC_CTX *mem_ctx,
  99         struct tevent_context *ev,
 100         struct smb_request **smbreq, /* talloc_move()d into our state */
 101         struct files_struct *fsp,
 102         uint32_t lock_timeout,
 103         bool large_offset,
 104         uint16_t num_locks,
 105         struct smbd_lock_element *locks);
 106 NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req);
 107 bool smbd_smb1_do_locks_extract_smbreq(
 108         struct tevent_req *req,
 109         TALLOC_CTX *mem_ctx,
 110         struct smb_request **psmbreq);
 111 void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status);
 112 bool smbd_smb1_brl_finish_by_lock(
 113         struct files_struct *fsp,
 114         bool large_offset,
 115         struct smbd_lock_element lock,
 116         NTSTATUS finish_status);
 117 bool smbd_smb1_brl_finish_by_mid(
 118         struct smbd_server_connection *sconn, uint64_t mid);
 119
 120 /* The following definitions come from smbd/close.c  */
 121
 122 void set_close_write_time(struct files_struct *fsp, struct timespec ts);
 123 NTSTATUS close_file_smb(struct smb_request *req,
 124                         struct files_struct *fsp,
 125                         enum file_close_type close_type);
 126 NTSTATUS close_file_free(struct smb_request *req,
 127                          struct files_struct **_fsp,
 128                          enum file_close_type close_type);
 129 void msg_close_file(struct messaging_context *msg_ctx,
 130                     void *private_data,
 131                     uint32_t msg_type,
 132                     struct server_id server_id,
 133                     DATA_BLOB *data);
 134 NTSTATUS delete_all_streams(connection_struct *conn,
 135                         const struct smb_filename *smb_fname);
 136 NTSTATUS recursive_rmdir(TALLOC_CTX *ctx,
 137                      connection_struct *conn,
 138                      struct smb_filename *smb_dname);
 139 bool has_other_nonposix_opens(struct share_mode_lock *lck,
 140                               struct files_struct *fsp);
 141
 142 /* The following definitions come from smbd/conn.c  */
 143
 144 int conn_num_open(struct smbd_server_connection *sconn);
 145 bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
 146 connection_struct *conn_new(struct smbd_server_connection *sconn);
 147 bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
 148 void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid);
 149 void conn_free(connection_struct *conn);
 150 void conn_setup_case_options(connection_struct *conn);
 151 void conn_force_tdis(
 152         struct smbd_server_connection *sconn,
 153         bool (*check_fn)(struct connection_struct *conn,
 154                          void *private_data),
 155         void *private_data);
 156 void msg_force_tdis(struct messaging_context *msg,
 157                     void *private_data,
 158                     uint32_t msg_type,
 159                     struct server_id server_id,
 160                     DATA_BLOB *data);
 161 void msg_force_tdis_denied(
 162         struct messaging_context *msg,
 163         void *private_data,
 164         uint32_t msg_type,
 165         struct server_id server_id,
 166         DATA_BLOB *data);
 167
 168 /* The following definitions come from smbd/connection.c  */
 169
 170 int count_current_connections(const char *sharename, bool verify);
 171 bool connections_snum_used(struct smbd_server_connection *unused, int snum);
 172
 173 /* The following definitions come from smbd/dfree.c  */
 174
 175 uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname,
 176                         uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 177 void flush_dfree_cache(void);
 178
 179 /* The following definitions come from smbd/dir.c  */
 180
 181 bool init_dptrs(struct smbd_server_connection *sconn);
 182 const char *dptr_path(struct smbd_server_connection *sconn, int key);
 183 const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
 184 uint16_t dptr_attr(struct smbd_server_connection *sconn, int key);
 185 void dptr_closecnum(connection_struct *conn);
 186 NTSTATUS dptr_create(connection_struct *conn,
 187                 struct smb_request *req,
 188                 files_struct *fsp,
 189                 bool old_handle,
 190                 bool expect_close,
 191                 uint16_t spid,
 192                 const char *wcard,
 193                 uint32_t attr,
 194                 struct dptr_struct **dptr_ret);
 195 void dptr_CloseDir(files_struct *fsp);
 196 void dptr_SeekDir(struct dptr_struct *dptr, long offset);
 197 long dptr_TellDir(struct dptr_struct *dptr);
 198 bool dptr_has_wild(struct dptr_struct *dptr);
 199 int dptr_dnum(struct dptr_struct *dptr);
 200 bool dptr_get_priv(struct dptr_struct *dptr);
 201 void dptr_set_priv(struct dptr_struct *dptr);
 202 bool dptr_case_sensitive(struct dptr_struct *dptr);
 203 bool dptr_SearchDir(struct dptr_struct *dptr, const char *name, long *poffset, SMB_STRUCT_STAT *pst);
 204 bool dptr_fill(struct smbd_server_connection *sconn,
 205                char *buf1,unsigned int key);
 206 files_struct *dptr_fetch_fsp(struct smbd_server_connection *sconn,
 207                                char *buf,int *num);
 208 struct smb_Dir;
 209 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
 210 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
 211                                        int dptr_num);
 212 bool get_dir_entry(TALLOC_CTX *ctx,
 213                 struct dptr_struct *dirptr,
 214                 const char *mask,
 215                 uint32_t dirtype,
 216                 char **pp_fname_out,
 217                 off_t *size,
 218                 uint32_t *mode,
 219                 struct timespec *date,
 220                 bool check_descend,
 221                 bool ask_sharemode);
 222 struct smb_Dir;
 223 bool is_visible_fsp(files_struct *fsp);
 224 NTSTATUS OpenDir(TALLOC_CTX *mem_ctx,
 225                  connection_struct *conn,
 226                  const struct smb_filename *smb_dname,
 227                  const char *mask,
 228                  uint32_t attr,
 229                  struct smb_Dir **_dir_hnd);
 230 NTSTATUS OpenDir_from_pathref(TALLOC_CTX *mem_ctx,
 231                               struct files_struct *dirfsp,
 232                               const char *mask,
 233                               uint32_t attr,
 234                               struct smb_Dir **_dir_hnd);
 235 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
 236                         SMB_STRUCT_STAT *sbuf, char **talloced);
 237 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
 238 void SeekDir(struct smb_Dir *dirp, long offset);
 239 long TellDir(struct smb_Dir *dirp);
 240 NTSTATUS can_delete_directory(struct connection_struct *conn,
 241                                 const char *dirname);
 242 bool have_file_open_below(connection_struct *conn,
 243                         const struct smb_filename *name);
 244
 245 /* The following definitions come from smbd/dmapi.c  */
 246
 247 const void *dmapi_get_current_session(void);
 248 bool dmapi_have_session(void);
 249 bool dmapi_new_session(void);
 250 bool dmapi_destroy_session(void);
 251 uint32_t dmapi_file_flags(const char * const path);
 252
 253 /* The following definitions come from smbd/dnsregister.c  */
 254
 255 bool smbd_setup_mdns_registration(struct tevent_context *ev,
 256                                   TALLOC_CTX *mem_ctx,
 257                                   uint16_t port);
 258
 259 /* The following definitions come from smbd/dosmode.c  */
 260
 261 mode_t unix_mode(connection_struct *conn, int dosmode,
 262                  const struct smb_filename *smb_fname,
 263                  struct files_struct *parent_dirfsp);
 264 uint32_t dos_mode_msdfs(connection_struct *conn,
 265                       const struct smb_filename *smb_fname);
 266 uint32_t fdos_mode(struct files_struct *fsp);
 267 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
 268                                     struct tevent_context *ev,
 269                                     files_struct *dir_fsp,
 270                                     struct smb_filename *smb_fname);
 271 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
 272 int file_set_dosmode(connection_struct *conn,
 273                      struct smb_filename *smb_fname,
 274                      uint32_t dosmode,
 275                      struct smb_filename *parent_dir,
 276                      bool newfile);
 277 NTSTATUS file_set_sparse(connection_struct *conn,
 278                          struct files_struct *fsp,
 279                          bool sparse);
 280 int file_ntimes(connection_struct *conn,
 281                 files_struct *fsp,
 282                 struct smb_file_time *ft);
 283 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
 284 bool set_sticky_write_time_fsp(struct files_struct *fsp,
 285                                struct timespec mtime);
 286
 287 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
 288                               uint32_t *pattr);
 289 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
 290                               const struct smb_filename *smb_fname,
 291                               uint32_t dosmode);
 292
 293 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
 294                                 struct timespec create_time);
 295
 296 struct timespec get_create_timespec(connection_struct *conn,
 297                                 struct files_struct *fsp,
 298                                 const struct smb_filename *smb_fname);
 299
 300 struct timespec get_change_timespec(connection_struct *conn,
 301                                 struct files_struct *fsp,
 302                                 const struct smb_filename *smb_fname);
 303
 304 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
 305                                   DATA_BLOB blob,
 306                                   uint32_t *pattr);
 307
 308 /* The following definitions come from smbd/error.c  */
 309
 310 bool use_nt_status(void);
 311 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
 312 size_t error_packet(char *outbuf,
 313                     uint8_t eclass,
 314                     uint32_t ecode,
 315                     NTSTATUS ntstatus,
 316                     int line,
 317                     const char *file);
 318 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
 319                     int line, const char *file);
 320 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 321                     int line, const char *file);
 322 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 323                       NTSTATUS status, int line, const char *file);
 324 void reply_openerror(struct smb_request *req, NTSTATUS status);
 325
 326 /* The following definitions come from smbd/file_access.c  */
 327
 328 bool can_delete_file_in_directory(connection_struct *conn,
 329                         struct files_struct *dirfsp,
 330                         const struct smb_filename *smb_fname);
 331 bool can_write_to_fsp(struct files_struct *fsp);
 332 bool directory_has_default_acl_fsp(struct files_struct *fsp);
 333 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
 334
 335 /* The following definitions come from smbd/fileio.c  */
 336
 337 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
 338 void fsp_flush_write_time_update(struct files_struct *fsp);
 339 void trigger_write_time_update(struct files_struct *fsp);
 340 void trigger_write_time_update_immediate(struct files_struct *fsp);
 341 void mark_file_modified(files_struct *fsp);
 342 ssize_t write_file(struct smb_request *req,
 343                         files_struct *fsp,
 344                         const char *data,
 345                         off_t pos,
 346                         size_t n);
 347 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
 348
 349 /* The following definitions come from smbd/filename.c  */
 350
 351 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
 352 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
 353 NTSTATUS unix_convert(TALLOC_CTX *ctx,
 354                       connection_struct *conn,
 355                       const char *orig_path,
 356                       NTTIME twrp,
 357                       struct smb_filename **smb_fname,
 358                       uint32_t ucf_flags);
 359 bool extract_snapshot_token(char *fname, NTTIME *twrp);
 360 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
 361                                     uint32_t ucf_flags,
 362                                     NTTIME twrp);
 363 NTSTATUS get_real_filename_full_scan(connection_struct *conn,
 364                                      const char *path,
 365                                      const char *name,
 366                                      bool mangled,
 367                                      TALLOC_CTX *mem_ctx,
 368                                      char **found_name);
 369 NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp,
 370                                         const char *name,
 371                                         bool mangled,
 372                                         TALLOC_CTX *mem_ctx,
 373                                         char **found_name);
 374 char *get_original_lcomp(TALLOC_CTX *ctx,
 375                         connection_struct *conn,
 376                         const char *filename_in,
 377                         uint32_t ucf_flags);
 378 NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
 379                         connection_struct *conn,
 380                         const char *name_in,
 381                         uint32_t ucf_flags,
 382                         NTTIME twrp,
 383                         struct smb_filename **pp_smb_fname);
 384 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
 385                                            connection_struct *conn,
 386                                            const char *name_in,
 387                                            uint32_t ucf_flags,
 388                                            struct smb_filename **_smb_fname_out,
 389                                            char **_mask_out);
 390
 391 /* The following definitions come from smbd/files.c  */
 392
 393 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
 394                  files_struct **result);
 395 void fsp_set_gen_id(files_struct *fsp);
 396 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
 397                   files_struct **result);
 398 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
 399 void file_close_conn(connection_struct *conn);
 400 bool file_init_global(void);
 401 bool file_init(struct smbd_server_connection *sconn);
 402 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
 403 struct files_struct *files_forall(
 404         struct smbd_server_connection *sconn,
 405         struct files_struct *(*fn)(struct files_struct *fsp,
 406                                    void *private_data),
 407         void *private_data);
 408 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
 409 files_struct *file_find_dif(struct smbd_server_connection *sconn,
 410                             struct file_id id, unsigned long gen_id);
 411 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
 412                                  struct file_id id,
 413                                  bool need_fsa);
 414 files_struct *file_find_di_next(files_struct *start_fsp,
 415                                  bool need_fsa);
 416 struct files_struct *file_find_one_fsp_from_lease_key(
 417         struct smbd_server_connection *sconn,
 418         const struct smb2_lease_key *lease_key);
 419 bool file_find_subpath(files_struct *dir_fsp);
 420 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
 421 void file_free(struct smb_request *req, files_struct *fsp);
 422 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
 423 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
 424                                   uint64_t persistent_id,
 425                                   uint64_t volatile_id);
 426 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
 427                                    uint64_t persistent_id,
 428                                    uint64_t volatile_id);
 429 NTSTATUS dup_file_fsp(
 430         files_struct *from,
 431         uint32_t access_mask,
 432         files_struct *to);
 433 NTSTATUS file_name_hash(connection_struct *conn,
 434                         const char *name, uint32_t *p_name_hash);
 435 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
 436                            const struct smb_filename *smb_fname_in);
 437 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
 438 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
 439 bool fsp_is_alternate_stream(const struct files_struct *fsp);
 440 struct files_struct *metadata_fsp(struct files_struct *fsp);
 441
 442 NTSTATUS create_internal_fsp(connection_struct *conn,
 443                              const struct smb_filename *smb_fname,
 444                              struct files_struct **_fsp);
 445 NTSTATUS create_internal_dirfsp(connection_struct *conn,
 446                                 const struct smb_filename *smb_dname,
 447                                 struct files_struct **_fsp);
 448
 449 NTSTATUS open_internal_dirfsp(connection_struct *conn,
 450                               const struct smb_filename *smb_dname,
 451                               int open_flags,
 452                               struct files_struct **_fsp);
 453 NTSTATUS openat_internal_dir_from_pathref(
 454         struct files_struct *dirfsp,
 455         int open_flags,
 456         struct files_struct **_fsp);
 457
 458 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
 459                             struct smb_filename *smb_fname);
 460 NTSTATUS open_stream_pathref_fsp(
 461         struct files_struct **_base_fsp,
 462         struct smb_filename *smb_fname);
 463
 464 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
 465
 466 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
 467                                  struct smb_filename *smb_fname_src);
 468
 469 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
 470                            struct files_struct *dirfsp,
 471                            const char *base_name,
 472                            const char *stream_name,
 473                            const SMB_STRUCT_STAT *psbuf,
 474                            NTTIME twrp,
 475                            uint32_t flags,
 476                            struct smb_filename **_smb_fname);
 477
 478 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
 479                         struct files_struct *dirfsp,
 480                         const struct smb_filename *smb_fname,
 481                         struct smb_filename **_parent,
 482                         struct smb_filename **_atname);
 483
 484 /* The following definitions come from smbd/smb2_ipc.c  */
 485
 486 NTSTATUS nt_status_np_pipe(NTSTATUS status);
 487
 488 /* The following definitions come from smbd/mangle.c  */
 489
 490 void mangle_reset_cache(void);
 491 void mangle_change_to_posix(void);
 492 bool mangle_is_mangled(const char *s, const struct share_params *p);
 493 bool mangle_is_8_3(const char *fname, bool check_case,
 494                    const struct share_params *p);
 495 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
 496                              const struct share_params *p);
 497 bool mangle_must_mangle(const char *fname,
 498                    const struct share_params *p);
 499 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
 500                         const char *in,
 501                         char **out, /* talloced on the given context. */
 502                         const struct share_params *p);
 503 bool name_to_8_3(const char *in,
 504                 char out[13],
 505                 bool cache83,
 506                 const struct share_params *p);
 507
 508 /* The following definitions come from smbd/mangle_hash.c  */
 509
 510 const struct mangle_fns *mangle_hash_init(void);
 511
 512 /* The following definitions come from smbd/mangle_hash2.c  */
 513
 514 const struct mangle_fns *mangle_hash2_init(void);
 515 const struct mangle_fns *posix_mangle_init(void);
 516
 517 /* The following definitions come from smbd/msdfs.c  */
 518
 519 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
 520                         bool shuffle_referrals,
 521                         const char *target,
 522                         struct referral **preflist,
 523                         size_t *refcount);
 524 bool is_msdfs_link(struct files_struct *dirfsp,
 525                    struct smb_filename *smb_fname);
 526 struct junction_map;
 527 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
 528                            struct auth_session_info *session_info,
 529                            const char *dfs_path,
 530                            const struct tsocket_address *remote_address,
 531                            const struct tsocket_address *local_address,
 532                            bool allow_broken_path,
 533                            struct junction_map *jucn,
 534                            int *consumedcntp,
 535                            bool *self_referralp);
 536 int setup_dfs_referral(connection_struct *orig_conn,
 537                         const char *dfs_path,
 538                         int max_referral_level,
 539                         char **ppdata, NTSTATUS *pstatus);
 540 bool create_junction(TALLOC_CTX *ctx,
 541                 const char *dfs_path,
 542                 bool allow_broken_path,
 543                 struct junction_map *jucn);
 544 struct referral;
 545 char *msdfs_link_string(TALLOC_CTX *ctx,
 546                 const struct referral *reflist,
 547                 size_t referral_count);
 548 bool create_msdfs_link(const struct junction_map *jucn,
 549                        struct auth_session_info *session_info);
 550 bool remove_msdfs_link(const struct junction_map *jucn,
 551                        struct auth_session_info *session_info);
 552
 553 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
 554                                       struct auth_session_info *session_info,
 555                                       size_t *p_num_jn);
 556 NTSTATUS dfs_redirect(TALLOC_CTX *ctx,
 557                         connection_struct *conn,
 558                         const char *name_in,
 559                         uint32_t ucf_flags,
 560                         bool allow_broken_path,
 561                         NTTIME *twrp,
 562                         char **pp_name_out);
 563 struct connection_struct;
 564 struct smb_filename;
 565
 566 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
 567                                 struct tevent_context *ev,
 568                                 struct messaging_context *msg,
 569                                 const struct auth_session_info *session_info,
 570                                 int snum,
 571                                 const char *path,
 572                                 struct connection_struct **c);
 573 struct conn_struct_tos {
 574         struct connection_struct *conn;
 575         struct smb_filename *oldcwd_fname;
 576 };
 577 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
 578                                 int snum,
 579                                 const char *path,
 580                                 const struct auth_session_info *session_info,
 581                                 struct conn_struct_tos **_c);
 582 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
 583                                     int snum,
 584                                     const char *path,
 585                                     const struct auth_session_info *session_info,
 586                                     struct conn_struct_tos **_c);
 587
 588 /* The following definitions come from smbd/notify.c  */
 589
 590 bool change_notify_fsp_has_changes(struct files_struct *fsp);
 591 void change_notify_reply(struct smb_request *req,
 592                          NTSTATUS error_code,
 593                          uint32_t max_param,
 594                          struct notify_change_buf *notify_buf,
 595                          void (*reply_fn)(struct smb_request *req,
 596                                           NTSTATUS error_code,
 597                                           uint8_t *buf, size_t len));
 598 void notify_callback(struct smbd_server_connection *sconn,
 599                      void *private_data, struct timespec when,
 600                      const struct notify_event *e);
 601 NTSTATUS change_notify_create(struct files_struct *fsp,
 602                               uint32_t max_buffer_size,
 603                               uint32_t filter,
 604                               bool recursive);
 605 NTSTATUS change_notify_add_request(struct smb_request *req,
 606                                 uint32_t max_param,
 607                                 uint32_t filter, bool recursive,
 608                                 struct files_struct *fsp,
 609                                 void (*reply_fn)(struct smb_request *req,
 610                                         NTSTATUS error_code,
 611                                         uint8_t *buf, size_t len));
 612 void smbd_notify_cancel_deleted(struct messaging_context *msg,
 613                                 void *private_data, uint32_t msg_type,
 614                                 struct server_id server_id, DATA_BLOB *data);
 615 void smbd_notifyd_restarted(struct messaging_context *msg,
 616                             void *private_data, uint32_t msg_type,
 617                             struct server_id server_id, DATA_BLOB *data);
 618 bool remove_pending_change_notify_requests_by_mid(
 619         struct smbd_server_connection *sconn, uint64_t mid);
 620 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
 621                                                   NTSTATUS status);
 622 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
 623                   const char *path);
 624 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
 625 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
 626                                                      struct tevent_context *ev);
 627
 628 /* The following definitions come from smbd/notify_inotify.c  */
 629
 630 int inotify_watch(TALLOC_CTX *mem_ctx,
 631                   struct sys_notify_context *ctx,
 632                   const char *path,
 633                   uint32_t *filter,
 634                   uint32_t *subdir_filter,
 635                   void (*callback)(struct sys_notify_context *ctx,
 636                                    void *private_data,
 637                                    struct notify_event *ev,
 638                                    uint32_t filter),
 639                   void *private_data,
 640                   void *handle_p);
 641
 642 int fam_watch(TALLOC_CTX *mem_ctx,
 643               struct sys_notify_context *ctx,
 644               const char *path,
 645               uint32_t *filter,
 646               uint32_t *subdir_filter,
 647               void (*callback)(struct sys_notify_context *ctx,
 648                                void *private_data,
 649                                struct notify_event *ev,
 650                                uint32_t filter),
 651               void *private_data,
 652               void *handle_p);
 653
 654
 655 /* The following definitions come from smbd/notify_internal.c  */
 656
 657 struct notify_context *notify_init(
 658         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
 659         struct smbd_server_connection *sconn,
 660         void (*callback)(struct smbd_server_connection *sconn,
 661                          void *, struct timespec,
 662                          const struct notify_event *));
 663 NTSTATUS notify_add(struct notify_context *ctx,
 664                     const char *path, uint32_t filter, uint32_t subdir_filter,
 665                     void *private_data);
 666 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
 667                        char *path);
 668 void notify_trigger(struct notify_context *notify,
 669                     uint32_t action, uint32_t filter,
 670                     const char *dir, const char *path);
 671
 672 /* The following definitions come from smbd/ntquotas.c  */
 673
 674 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
 675                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 676 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 677 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
 678 void *init_quota_handle(TALLOC_CTX *mem_ctx);
 679
 680 /* The following definitions come from smbd/smb2_nttrans.c  */
 681
 682 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
 683                        uint32_t security_info_sent);
 684 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
 685                        uint32_t security_info_sent);
 686 NTSTATUS copy_internals(TALLOC_CTX *ctx,
 687                         connection_struct *conn,
 688                         struct smb_request *req,
 689                         struct smb_filename *smb_fname_src,
 690                         struct smb_filename *smb_fname_dst,
 691                         uint32_t attrs);
 692 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
 693                                         TALLOC_CTX *mem_ctx,
 694                                         files_struct *fsp,
 695                                         uint32_t security_info_wanted,
 696                                         uint32_t max_data_count,
 697                                         uint8_t **ppmarshalled_sd,
 698                                         size_t *psd_size);
 699 #ifdef HAVE_SYS_QUOTAS
 700
 701 struct smb2_query_quota_info;
 702
 703 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
 704                                      files_struct *fsp,
 705                                      bool restart_scan,
 706                                      bool return_single,
 707                                      uint32_t sid_list_length,
 708                                      DATA_BLOB *sidbuffer,
 709                                      uint32_t max_data_count,
 710                                      uint8_t **p_data,
 711                                      uint32_t *p_data_size);
 712 #endif
 713
 714 /* The following definitions come from smbd/open.c  */
 715
 716 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
 717                                       struct files_struct *fsp,
 718                                       bool use_privs,
 719                                       uint32_t access_mask);
 720 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
 721                                 uint32_t access_mask);
 722 NTSTATUS fd_openat(const struct files_struct *dirfsp,
 723                    struct smb_filename *smb_fname,
 724                    files_struct *fsp,
 725                    int flags, mode_t mode);
 726 NTSTATUS fd_close(files_struct *fsp);
 727 bool is_oplock_stat_open(uint32_t access_mask);
 728 bool is_lease_stat_open(uint32_t access_mask);
 729 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
 730                             const struct file_id *id,
 731                             const struct share_mode_entry *exclusive,
 732                             uint16_t break_to);
 733 struct deferred_open_record;
 734 bool is_deferred_open_async(const struct deferred_open_record *rec);
 735 bool defer_smb1_sharing_violation(struct smb_request *req);
 736 NTSTATUS create_directory(connection_struct *conn, struct smb_request *req,
 737                           struct smb_filename *smb_dname);
 738 void msg_file_was_renamed(struct messaging_context *msg,
 739                           void *private_data,
 740                           uint32_t msg_type,
 741                           struct server_id server_id,
 742                           DATA_BLOB *data);
 743 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
 744                                  const struct smb2_lease_key *key,
 745                                  uint32_t current_state,
 746                                  uint16_t lease_version,
 747                                  uint16_t lease_epoch);
 748 NTSTATUS create_file_default(connection_struct *conn,
 749                              struct smb_request *req,
 750                              struct files_struct *dirfsp,
 751                              struct smb_filename * smb_fname,
 752                              uint32_t access_mask,
 753                              uint32_t share_access,
 754                              uint32_t create_disposition,
 755                              uint32_t create_options,
 756                              uint32_t file_attributes,
 757                              uint32_t oplock_request,
 758                              const struct smb2_lease *lease,
 759                              uint64_t allocation_size,
 760                              uint32_t private_flags,
 761                              struct security_descriptor *sd,
 762                              struct ea_list *ea_list,
 763                              files_struct **result,
 764                              int *pinfo,
 765                              const struct smb2_create_blobs *in_context_blobs,
 766                              struct smb2_create_blobs *out_context_blobs);
 767
 768 /* The following definitions come from smbd/oplock.c  */
 769
 770 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
 771
 772 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
 773 NTSTATUS set_file_oplock(files_struct *fsp);
 774 bool remove_oplock(files_struct *fsp);
 775 bool downgrade_oplock(files_struct *fsp);
 776 bool fsp_lease_update(struct files_struct *fsp);
 777 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
 778                         uint32_t num_file_ids,
 779                         const struct file_id *ids,
 780                         const struct smb2_lease_key *key,
 781                         uint32_t lease_state);
 782 void contend_level2_oplocks_begin(files_struct *fsp,
 783                                   enum level2_contention_type type);
 784 void contend_level2_oplocks_end(files_struct *fsp,
 785                                 enum level2_contention_type type);
 786 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
 787                                   enum level2_contention_type type);
 788 void smbd_contend_level2_oplocks_end(files_struct *fsp,
 789                                 enum level2_contention_type type);
 790 void share_mode_entry_to_message(char *msg, const struct file_id *id,
 791                                  const struct share_mode_entry *e);
 792 void message_to_share_mode_entry(struct file_id *id,
 793                                  struct share_mode_entry *e,
 794                                  const char *msg);
 795 bool init_oplocks(struct smbd_server_connection *sconn);
 796 void init_kernel_oplocks(struct smbd_server_connection *sconn);
 797
 798 /* The following definitions come from smbd/oplock_linux.c  */
 799
 800 int linux_set_lease_sighandler(int fd);
 801 int linux_setlease(int fd, int leasetype);
 802 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
 803
 804 /* The following definitions come from smbd/password.c  */
 805
 806 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
 807 int register_homes_share(const char *username);
 808
 809 /* The following definitions come from smbd/pipes.c  */
 810
 811 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
 812                       struct files_struct **pfsp);
 813
 814 /* The following definitions come from smbd/posix_acls.c  */
 815
 816 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
 817 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
 818 uint32_t map_canon_ace_perms(int snum,
 819                                 enum security_ace_type *pacl_type,
 820                                 mode_t perms,
 821                                 bool directory_ace);
 822 NTSTATUS unpack_nt_owners(connection_struct *conn, uid_t *puser, gid_t *pgrp, uint32_t security_info_sent, const struct security_descriptor *psd);
 823 bool current_user_in_group(connection_struct *conn, gid_t gid);
 824 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
 825 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
 826                            TALLOC_CTX *mem_ctx,
 827                            struct security_descriptor **ppdesc);
 828 NTSTATUS try_chown(files_struct *fsp, uid_t uid, gid_t gid);
 829 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
 830 int get_acl_group_bits(connection_struct *conn,
 831                        struct files_struct *fsp,
 832                        mode_t *mode);
 833 int inherit_access_posix_acl(connection_struct *conn,
 834                              struct files_struct *inherit_from_dirfsp,
 835                              const struct smb_filename *smb_fname,
 836                              mode_t mode);
 837 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
 838                                 files_struct *fsp,
 839                                 uint16_t num_def_acls, const char *pdata);
 840 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
 841                                 uint16_t num_acls,
 842                                 const char *pdata);
 843 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
 844                                 const struct smb_filename *smb_fname,
 845                                 TALLOC_CTX *mem_ctx,
 846                                 char **blob_description,
 847                                 DATA_BLOB *blob);
 848 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 849                               files_struct *fsp,
 850                               TALLOC_CTX *mem_ctx,
 851                               char **blob_description,
 852                               DATA_BLOB *blob);
 853
 854 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
 855
 856 const struct enum_list *get_default_acl_style_list(void);
 857
 858 NTSTATUS make_default_filesystem_acl(
 859         TALLOC_CTX *ctx,
 860         enum default_acl_style acl_style,
 861         const char *name,
 862         const SMB_STRUCT_STAT *psbuf,
 863         struct security_descriptor **ppdesc);
 864
 865 /* The following definitions come from smbd/smb2_process.c  */
 866
 867 bool smb2_srv_send(struct smbXsrv_connection *xconn, char *buffer,
 868                    bool no_signing, uint32_t seqnum,
 869                    bool do_encrypt,
 870                    struct smb_perfcount_data *pcd);
 871 #if !defined(WITH_SMB1SERVER)
 872 bool smb1_srv_send(struct smbXsrv_connection *xconn, char *buffer,
 873                    bool do_signing, uint32_t seqnum,
 874                    bool do_encrypt,
 875                    struct smb_perfcount_data *pcd);
 876 #endif
 877 size_t srv_smb1_set_message(char *buf,
 878                        size_t num_words,
 879                        size_t num_bytes,
 880                        bool zero);
 881 NTSTATUS read_packet_remainder(int fd, char *buffer,
 882                                unsigned int timeout, ssize_t len);
 883 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
 884                             struct smbXsrv_connection *xconn,
 885                             int sock,
 886                             char **buffer, unsigned int timeout,
 887                             size_t *p_unread, bool *p_encrypted,
 888                             size_t *p_len,
 889                             uint32_t *seqnum,
 890                             bool trusted_channel);
 891 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 892                                       uint64_t mid);
 893 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 894                                         uint64_t mid);
 895 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
 896 bool get_deferred_open_message_state(struct smb_request *smbreq,
 897                                 struct timeval *p_request_time,
 898                                 struct deferred_open_record **open_rec);
 899 bool push_deferred_open_message_smb(struct smb_request *req,
 900                                     struct timeval timeout,
 901                                     struct file_id id,
 902                                     struct deferred_open_record *open_rec);
 903 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
 904                    const uint8_t *inbuf, char **outbuf,
 905                    uint8_t num_words, uint32_t num_bytes);
 906 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
 907 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
 908 void process_smb(struct smbXsrv_connection *xconn,
 909                  uint8_t *inbuf, size_t nread, size_t unread_bytes,
 910                  uint32_t seqnum, bool encrypted,
 911                  struct smb_perfcount_data *deferred_pcd);
 912 void smbd_process(struct tevent_context *ev_ctx,
 913                   struct messaging_context *msg_ctx,
 914                   int sock_fd,
 915                   bool interactive);
 916 bool valid_smb1_header(const uint8_t *inbuf);
 917 bool init_smb1_request(struct smb_request *req,
 918                       struct smbd_server_connection *sconn,
 919                       struct smbXsrv_connection *xconn,
 920                       const uint8_t *inbuf,
 921                       size_t unread_bytes, bool encrypted,
 922                       uint32_t seqnum);
 923
 924 /* The following definitions come from smbd/quotas.c  */
 925
 926 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
 927                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 928
 929 /* The following definitions come from smbd/smb2_reply.c  */
 930
 931 NTSTATUS check_path_syntax(char *path);
 932 NTSTATUS check_path_syntax_posix(char *path);
 933 size_t srvstr_get_path(TALLOC_CTX *ctx,
 934                         const char *inbuf,
 935                         uint16_t smb_flags2,
 936                         char **pp_dest,
 937                         const char *src,
 938                         size_t src_len,
 939                         int flags,
 940                         NTSTATUS *err);
 941 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
 942                         const char *inbuf,
 943                         uint16_t smb_flags2,
 944                         char **pp_dest,
 945                         const char *src,
 946                         size_t src_len,
 947                         int flags,
 948                         NTSTATUS *err);
 949 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
 950                            char **pp_dest, const char *src, int flags,
 951                            NTSTATUS *err);
 952 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
 953                               char **dest, const uint8_t *src, int flags);
 954 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
 955                     files_struct *fsp);
 956 bool check_fsp(connection_struct *conn, struct smb_request *req,
 957                files_struct *fsp);
 958 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
 959                               files_struct *fsp);
 960 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
 961 NTSTATUS unlink_internals(connection_struct *conn,
 962                         struct smb_request *req,
 963                         uint32_t dirtype,
 964                         struct smb_filename *smb_fname);
 965 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
 966                       off_t startpos, size_t nread);
 967 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
 968                             files_struct *fsp,
 969                             ssize_t nread,
 970                             size_t headersize,
 971                             size_t smb_maxcnt);
 972 NTSTATUS rename_internals_fsp(connection_struct *conn,
 973                         files_struct *fsp,
 974                         struct smb_filename *smb_fname_dst_in,
 975                         const char *dst_original_lcomp,
 976                         uint32_t attrs,
 977                         bool replace_if_exists);
 978 NTSTATUS rename_internals(TALLOC_CTX *ctx,
 979                         connection_struct *conn,
 980                         struct smb_request *req,
 981                         struct smb_filename *smb_fname_src,
 982                         struct smb_filename *smb_fname_dst,
 983                         const char *dst_original_lcomp,
 984                         uint32_t attrs,
 985                         bool replace_if_exists,
 986                         uint32_t access_mask);
 987 NTSTATUS copy_file(TALLOC_CTX *ctx,
 988                         connection_struct *conn,
 989                         struct smb_filename *smb_fname_src,
 990                         struct smb_filename *smb_fname_dst,
 991                         uint32_t new_create_disposition);
 992 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
 993                          bool large_file_format);
 994
 995 /* The following definitions come from smbd/seal.c  */
 996
 997 bool is_encrypted_packet(const uint8_t *inbuf);
 998 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
 999 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1000 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1001                             char **buf_out);
1002 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1003                                         unsigned char **ppdata,
1004                                         size_t *p_data_size,
1005                                         unsigned char **pparam,
1006                                         size_t *p_param_size);
1007 NTSTATUS srv_encryption_start(connection_struct *conn);
1008 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1009
1010 /* The following definitions come from smbd/sec_ctx.c  */
1011
1012 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1013 bool push_sec_ctx(void);
1014 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1015 void set_root_sec_ctx(void);
1016 bool pop_sec_ctx(void);
1017 void init_sec_ctx(void);
1018 const struct security_token *sec_ctx_active_token(void);
1019
1020 /* The following definitions come from smbd/server.c  */
1021
1022 struct memcache *smbd_memcache(void);
1023 bool snum_is_shared_printer(int snum);
1024 void delete_and_reload_printers(void);
1025 bool reload_services(struct smbd_server_connection *sconn,
1026                      bool (*snumused) (struct smbd_server_connection *, int),
1027                      bool test);
1028
1029 /* The following definitions come from smbd/server_exit.c  */
1030
1031 void smbd_exit_server(const char *reason) _NORETURN_;
1032 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1033
1034 /* The following definitions come from smbd/smb2_service.c  */
1035
1036 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1037 bool canonicalize_connect_path(connection_struct *conn);
1038 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1039 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1040 bool chdir_current_service(connection_struct *conn);
1041 void load_registry_shares(void);
1042 int add_home_service(const char *service, const char *username, const char *homedir);
1043 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1044 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1045                                         struct smbXsrv_tcon *tcon,
1046                                         int snum,
1047                                         const char *pdev,
1048                                         NTSTATUS *pstatus);
1049 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1050                               connection_struct *conn,
1051                               int snum,
1052                               struct smbXsrv_session *session,
1053                               const char *pdev);
1054 void close_cnum(connection_struct *conn, uint64_t vuid);
1055
1056 /* The following definitions come from smbd/session.c  */
1057 struct sessionid;
1058 struct smbXsrv_session;
1059 bool session_init(void);
1060 bool session_claim(struct smbXsrv_session *session);
1061 void session_yield(struct smbXsrv_session *session);
1062 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1063 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1064                   const char *machine, struct sessionid **session_list);
1065
1066 /* The following definitions come from smbd/share_access.c  */
1067
1068 bool token_contains_name_in_list(const char *username,
1069                                  const char *domain,
1070                                  const char *sharename,
1071                                  const struct security_token *token,
1072                                  const char **list);
1073 bool user_ok_token(const char *username, const char *domain,
1074                    const struct security_token *token, int snum);
1075 bool is_share_read_only_for_token(const char *username,
1076                                   const char *domain,
1077                                   const struct security_token *token,
1078                                   connection_struct *conn);
1079
1080 /* The following definitions come from smbd/srvstr.c  */
1081
1082 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1083                       const char *src, int dest_len, int flags, size_t *ret_len);
1084
1085 /* The following definitions come from smbd/statcache.c  */
1086
1087 void stat_cache_add( const char *full_orig_name,
1088                 const char *translated_path,
1089                 NTTIME twrp,
1090                 bool case_sensitive);
1091 bool stat_cache_lookup(connection_struct *conn,
1092                         char **pp_name,
1093                         char **pp_dirpath,
1094                         char **pp_start,
1095                         NTTIME twrp,
1096                         SMB_STRUCT_STAT *pst);
1097 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1098                                     const char *name);
1099 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1100                                     const char *name);
1101 void stat_cache_delete(const char *name);
1102 bool reset_stat_cache( void );
1103
1104 /* The following definitions come from smbd/statvfs.c  */
1105
1106 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1107
1108 /* The following definitions come from smbd/trans2.c  */
1109
1110 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1111 NTSTATUS check_access_fsp(struct files_struct *fsp,
1112                           uint32_t access_mask);
1113 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1114 bool samba_private_attr_name(const char *unix_ea_name);
1115 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1116                           files_struct *fsp,
1117                           const char *ea_name,
1118                           struct ea_struct *pea);
1119 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1120                         files_struct *fsp,
1121                         char ***pnames,
1122                         size_t *pnum_names);
1123 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1124                 struct ea_list *ea_list);
1125 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1126 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1127                 connection_struct *conn,
1128                 struct smb_request *req,
1129                 bool overwrite_if_exists,
1130                 const struct smb_filename *smb_fname_old,
1131                 struct smb_filename *smb_fname_new);
1132 NTSTATUS smb_set_file_time(connection_struct *conn,
1133                            files_struct *fsp,
1134                            struct smb_filename *smb_fname,
1135                            struct smb_file_time *ft,
1136                            bool setting_write_time);
1137
1138 enum perm_type {
1139         PERM_NEW_FILE,
1140         PERM_NEW_DIR,
1141         PERM_EXISTING_FILE,
1142         PERM_EXISTING_DIR
1143 };
1144
1145 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1146                               const SMB_STRUCT_STAT *psbuf,
1147                               uint32_t perms,
1148                               enum perm_type ptype,
1149                               mode_t *ret_perms);
1150 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1151                              size_t data_size);
1152 unsigned int estimate_ea_size(files_struct *fsp);
1153 NTSTATUS smb_set_fsquota(connection_struct *conn,
1154                          struct smb_request *req,
1155                          files_struct *fsp,
1156                          const DATA_BLOB *qdata);
1157
1158 /* The following definitions come from smbd/uid.c  */
1159
1160 bool change_to_guest(void);
1161 NTSTATUS check_user_share_access(connection_struct *conn,
1162                                 const struct auth_session_info *session_info,
1163                                 uint32_t *p_share_access,
1164                                 bool *p_readonly_share);
1165 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1166 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1167 bool smbd_change_to_root_user(void);
1168 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1169 bool smbd_unbecome_authenticated_pipe_user(void);
1170 void become_root(void);
1171 void unbecome_root(void);
1172 void smbd_become_root(void);
1173 void smbd_unbecome_root(void);
1174 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1175 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1176 bool become_user_without_service_by_session(connection_struct *conn,
1177                             const struct auth_session_info *session_info);
1178 bool unbecome_user_without_service(void);
1179 uid_t get_current_uid(connection_struct *conn);
1180 gid_t get_current_gid(connection_struct *conn);
1181 const struct security_unix_token *get_current_utok(connection_struct *conn);
1182 const struct security_token *get_current_nttok(connection_struct *conn);
1183
1184 /* The following definitions come from smbd/utmp.c  */
1185
1186 void sys_utmp_claim(const char *username, const char *hostname,
1187                     const char *id_str, int id_num);
1188 void sys_utmp_yield(const char *username, const char *hostname,
1189                     const char *id_str, int id_num);
1190
1191 /* The following definitions come from smbd/vfs.c  */
1192
1193 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1194 bool smbd_vfs_init(connection_struct *conn);
1195 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1196 bool vfs_valid_pread_range(off_t offset, size_t length);
1197 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1198 ssize_t vfs_pwrite_data(struct smb_request *req,
1199                         files_struct *fsp,
1200                         const char *buffer,
1201                         size_t N,
1202                         off_t offset);
1203 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1204 int vfs_set_filelen(files_struct *fsp, off_t len);
1205 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1206 int vfs_fill_sparse(files_struct *fsp, off_t len);
1207 int vfs_set_blocking(files_struct *fsp, bool set);
1208 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1209 const char *vfs_readdirname(connection_struct *conn,
1210                             struct files_struct *dirfsp,
1211                             void *p,
1212                             SMB_STRUCT_STAT *sbuf,
1213                             char **talloced);
1214 int vfs_ChDir(connection_struct *conn,
1215                         const struct smb_filename *smb_fname);
1216 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1217 NTSTATUS check_reduced_name(connection_struct *conn,
1218                         const struct smb_filename *cwd_fname,
1219                         const struct smb_filename *smb_fname);
1220 int vfs_stat(struct connection_struct *conn,
1221              struct smb_filename *smb_fname);
1222 int vfs_stat_smb_basename(struct connection_struct *conn,
1223                         const struct smb_filename *smb_fname_in,
1224                         SMB_STRUCT_STAT *psbuf);
1225 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1226 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1227                         TALLOC_CTX *mem_ctx,
1228                         unsigned int *num_streams,
1229                         struct stream_struct **streams);
1230 void init_smb_file_time(struct smb_file_time *ft);
1231 int vfs_fake_fd(void);
1232 int vfs_fake_fd_close(int fd);
1233
1234 /* The following definitions come from smbd/avahi_register.c */
1235
1236 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1237                            uint16_t port);
1238
1239 /* The following definitions come from smbd/smb2_create.c */
1240
1241 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1242                                     TALLOC_CTX *mem_ctx,
1243                                     DATA_BLOB *cookie_blob);
1244 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1245                                         const DATA_BLOB old_cookie,
1246                                         TALLOC_CTX *mem_ctx,
1247                                         DATA_BLOB *new_cookie);
1248 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1249                                        struct smb_request *smb1req,
1250                                        struct smbXsrv_open *op,
1251                                        const DATA_BLOB old_cookie,
1252                                        TALLOC_CTX *mem_ctx,
1253                                        files_struct **result,
1254                                        DATA_BLOB *new_cookie);
1255
1256 /* The following definitions come from smbd/smb2_posix.c */
1257 DATA_BLOB smb2_posix_cc_info(TALLOC_CTX *mem_ctx,
1258                                 connection_struct *conn,
1259                                 uint32_t reparse_tag,
1260                                 const SMB_STRUCT_STAT *psbuf);
1261 DATA_BLOB store_smb2_posix_info(TALLOC_CTX *mem_ctx,
1262                                 connection_struct *conn,
1263                                 const SMB_STRUCT_STAT *psbuf,
1264                                 uint32_t reparse_tag,
1265                                 uint32_t dos_attributes);
1266
1267 #endif /* _SMBD_PROTO_H_ */