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                 const char *wcard,
 191                 uint32_t attr,
 192                 struct dptr_struct **dptr_ret);
 193 void dptr_CloseDir(files_struct *fsp);
 194 void dptr_SeekDir(struct dptr_struct *dptr, long offset);
 195 void dptr_RewindDir(struct dptr_struct *dptr);
 196 long dptr_TellDir(struct dptr_struct *dptr);
 197 unsigned int dptr_FileNumber(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);
 204 struct smb_Dir;
 205 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
 206 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
 207                                        int dptr_num);
 208 bool get_dir_entry(TALLOC_CTX *ctx,
 209                 struct dptr_struct *dirptr,
 210                 const char *mask,
 211                 uint32_t dirtype,
 212                 char **pp_fname_out,
 213                 off_t *size,
 214                 uint32_t *mode,
 215                 struct timespec *date,
 216                 bool check_descend,
 217                 bool ask_sharemode);
 218 struct smb_Dir;
 219 bool is_visible_fsp(files_struct *fsp);
 220 NTSTATUS OpenDir(TALLOC_CTX *mem_ctx,
 221                  connection_struct *conn,
 222                  const struct smb_filename *smb_dname,
 223                  const char *mask,
 224                  uint32_t attr,
 225                  struct smb_Dir **_dir_hnd);
 226 NTSTATUS OpenDir_from_pathref(TALLOC_CTX *mem_ctx,
 227                               struct files_struct *dirfsp,
 228                               const char *mask,
 229                               uint32_t attr,
 230                               struct smb_Dir **_dir_hnd);
 231 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
 232                         SMB_STRUCT_STAT *sbuf, char **talloced);
 233 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
 234 NTSTATUS can_delete_directory(struct connection_struct *conn,
 235                                 const char *dirname);
 236 bool have_file_open_below(connection_struct *conn,
 237                         const struct smb_filename *name);
 238
 239 /* The following definitions come from smbd/dmapi.c  */
 240
 241 const void *dmapi_get_current_session(void);
 242 bool dmapi_have_session(void);
 243 bool dmapi_new_session(void);
 244 bool dmapi_destroy_session(void);
 245 uint32_t dmapi_file_flags(const char * const path);
 246
 247 /* The following definitions come from smbd/dnsregister.c  */
 248
 249 bool smbd_setup_mdns_registration(struct tevent_context *ev,
 250                                   TALLOC_CTX *mem_ctx,
 251                                   uint16_t port);
 252
 253 /* The following definitions come from smbd/dosmode.c  */
 254
 255 mode_t unix_mode(connection_struct *conn, int dosmode,
 256                  const struct smb_filename *smb_fname,
 257                  struct files_struct *parent_dirfsp);
 258 uint32_t dos_mode_msdfs(connection_struct *conn,
 259                       const struct smb_filename *smb_fname);
 260 uint32_t fdos_mode(struct files_struct *fsp);
 261 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
 262                                     struct tevent_context *ev,
 263                                     files_struct *dir_fsp,
 264                                     struct smb_filename *smb_fname);
 265 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
 266 int file_set_dosmode(connection_struct *conn,
 267                      struct smb_filename *smb_fname,
 268                      uint32_t dosmode,
 269                      struct smb_filename *parent_dir,
 270                      bool newfile);
 271 NTSTATUS file_set_sparse(connection_struct *conn,
 272                          struct files_struct *fsp,
 273                          bool sparse);
 274 int file_ntimes(connection_struct *conn,
 275                 files_struct *fsp,
 276                 struct smb_file_time *ft);
 277 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
 278 bool set_sticky_write_time_fsp(struct files_struct *fsp,
 279                                struct timespec mtime);
 280
 281 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
 282                               uint32_t *pattr);
 283 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
 284                               struct smb_filename *smb_fname,
 285                               uint32_t dosmode);
 286
 287 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
 288                                 struct timespec create_time);
 289
 290 struct timespec get_create_timespec(connection_struct *conn,
 291                                 struct files_struct *fsp,
 292                                 const struct smb_filename *smb_fname);
 293
 294 struct timespec get_change_timespec(connection_struct *conn,
 295                                 struct files_struct *fsp,
 296                                 const struct smb_filename *smb_fname);
 297
 298 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
 299                                   DATA_BLOB blob,
 300                                   uint32_t *pattr);
 301
 302 /* The following definitions come from smbd/error.c  */
 303
 304 bool use_nt_status(void);
 305 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
 306 size_t error_packet(char *outbuf,
 307                     uint8_t eclass,
 308                     uint32_t ecode,
 309                     NTSTATUS ntstatus,
 310                     int line,
 311                     const char *file);
 312 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
 313                     int line, const char *file);
 314 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 315                     int line, const char *file);
 316 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 317                       NTSTATUS status, int line, const char *file);
 318 void reply_openerror(struct smb_request *req, NTSTATUS status);
 319
 320 /* The following definitions come from smbd/file_access.c  */
 321
 322 bool can_delete_file_in_directory(connection_struct *conn,
 323                         struct files_struct *dirfsp,
 324                         const struct smb_filename *smb_fname);
 325 bool can_write_to_fsp(struct files_struct *fsp);
 326 bool directory_has_default_acl_fsp(struct files_struct *fsp);
 327 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
 328
 329 /* The following definitions come from smbd/fileio.c  */
 330
 331 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
 332 void fsp_flush_write_time_update(struct files_struct *fsp);
 333 void trigger_write_time_update(struct files_struct *fsp);
 334 void trigger_write_time_update_immediate(struct files_struct *fsp);
 335 void mark_file_modified(files_struct *fsp);
 336 ssize_t write_file(struct smb_request *req,
 337                         files_struct *fsp,
 338                         const char *data,
 339                         off_t pos,
 340                         size_t n);
 341 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
 342
 343 /* The following definitions come from smbd/filename.c  */
 344
 345 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
 346 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
 347 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
 348                                     uint32_t ucf_flags,
 349                                     NTTIME twrp);
 350 NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp,
 351                                         const char *name,
 352                                         bool mangled,
 353                                         TALLOC_CTX *mem_ctx,
 354                                         char **found_name);
 355 char *get_original_lcomp(TALLOC_CTX *ctx,
 356                         connection_struct *conn,
 357                         const char *filename_in,
 358                         uint32_t ucf_flags);
 359 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
 360                                            connection_struct *conn,
 361                                            char *name_in,
 362                                            uint32_t ucf_flags,
 363                                            struct files_struct **_dirfsp,
 364                                            struct smb_filename **_smb_fname_out,
 365                                            char **_mask_out);
 366 NTSTATUS get_real_filename_at(struct files_struct *dirfsp,
 367                               const char *name,
 368                               TALLOC_CTX *mem_ctx,
 369                               char **found_name);
 370
 371 /* The following definitions come from smbd/files.c  */
 372
 373 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
 374                  files_struct **result);
 375 void fsp_set_gen_id(files_struct *fsp);
 376 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
 377                   files_struct **result);
 378 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
 379 void file_close_conn(connection_struct *conn, enum file_close_type close_type);
 380 bool file_init_global(void);
 381 bool file_init(struct smbd_server_connection *sconn);
 382 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
 383 struct files_struct *files_forall(
 384         struct smbd_server_connection *sconn,
 385         struct files_struct *(*fn)(struct files_struct *fsp,
 386                                    void *private_data),
 387         void *private_data);
 388 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
 389 files_struct *file_find_dif(struct smbd_server_connection *sconn,
 390                             struct file_id id, unsigned long gen_id);
 391 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
 392                                  struct file_id id,
 393                                  bool need_fsa);
 394 files_struct *file_find_di_next(files_struct *start_fsp,
 395                                  bool need_fsa);
 396 struct files_struct *file_find_one_fsp_from_lease_key(
 397         struct smbd_server_connection *sconn,
 398         const struct smb2_lease_key *lease_key);
 399 bool file_find_subpath(files_struct *dir_fsp);
 400 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
 401 void file_free(struct smb_request *req, files_struct *fsp);
 402 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
 403 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
 404                                   uint64_t persistent_id,
 405                                   uint64_t volatile_id);
 406 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
 407                                    uint64_t persistent_id,
 408                                    uint64_t volatile_id);
 409 NTSTATUS dup_file_fsp(
 410         files_struct *from,
 411         uint32_t access_mask,
 412         files_struct *to);
 413 NTSTATUS file_name_hash(connection_struct *conn,
 414                         const char *name, uint32_t *p_name_hash);
 415 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
 416                            const struct smb_filename *smb_fname_in);
 417 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
 418 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
 419 bool fsp_is_alternate_stream(const struct files_struct *fsp);
 420 struct files_struct *metadata_fsp(struct files_struct *fsp);
 421 bool fsp_search_ask_sharemode(struct files_struct *fsp);
 422 bool fsp_getinfo_ask_sharemode(struct files_struct *fsp);
 423
 424 NTSTATUS create_internal_fsp(connection_struct *conn,
 425                              const struct smb_filename *smb_fname,
 426                              struct files_struct **_fsp);
 427 NTSTATUS create_internal_dirfsp(connection_struct *conn,
 428                                 const struct smb_filename *smb_dname,
 429                                 struct files_struct **_fsp);
 430
 431 NTSTATUS open_internal_dirfsp(connection_struct *conn,
 432                               const struct smb_filename *smb_dname,
 433                               int open_flags,
 434                               struct files_struct **_fsp);
 435 NTSTATUS openat_internal_dir_from_pathref(
 436         struct files_struct *dirfsp,
 437         int open_flags,
 438         struct files_struct **_fsp);
 439
 440 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
 441                             struct smb_filename *smb_fname);
 442 NTSTATUS open_stream_pathref_fsp(
 443         struct files_struct **_base_fsp,
 444         struct smb_filename *smb_fname);
 445 NTSTATUS openat_pathref_dirfsp_nosymlink(
 446         TALLOC_CTX *mem_ctx,
 447         struct connection_struct *conn,
 448         const char *path_in,
 449         NTTIME twrp,
 450         bool posix,
 451         struct smb_filename **_smb_fname,
 452         size_t *unparsed,
 453         char **substitute);
 454 NTSTATUS readlink_talloc(
 455         TALLOC_CTX *mem_ctx,
 456         struct files_struct *dirfsp,
 457         struct smb_filename *smb_relname,
 458         char **_substitute);
 459
 460 void smb_fname_fsp_unlink(struct smb_filename *smb_fname);
 461
 462 NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
 463                                  struct smb_filename *smb_fname_src);
 464
 465 NTSTATUS reference_smb_fname_fsp_link(struct smb_filename *smb_fname_dst,
 466                                       const struct smb_filename *smb_fname_src);
 467
 468 NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx,
 469                            struct files_struct *dirfsp,
 470                            const char *base_name,
 471                            const char *stream_name,
 472                            const SMB_STRUCT_STAT *psbuf,
 473                            NTTIME twrp,
 474                            uint32_t flags,
 475                            struct smb_filename **_smb_fname);
 476
 477 NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx,
 478                         struct files_struct *dirfsp,
 479                         const struct smb_filename *smb_fname,
 480                         struct smb_filename **_parent,
 481                         struct smb_filename **_atname);
 482
 483 /* The following definitions come from smbd/smb2_ipc.c  */
 484
 485 NTSTATUS nt_status_np_pipe(NTSTATUS status);
 486
 487 /* The following definitions come from smbd/mangle.c  */
 488
 489 void mangle_reset_cache(void);
 490 void mangle_change_to_posix(void);
 491 bool mangle_is_mangled(const char *s, const struct share_params *p);
 492 bool mangle_is_8_3(const char *fname, bool check_case,
 493                    const struct share_params *p);
 494 bool mangle_is_8_3_wildcards(const char *fname, bool check_case,
 495                              const struct share_params *p);
 496 bool mangle_must_mangle(const char *fname,
 497                    const struct share_params *p);
 498 bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx,
 499                         const char *in,
 500                         char **out, /* talloced on the given context. */
 501                         const struct share_params *p);
 502 bool name_to_8_3(const char *in,
 503                 char out[13],
 504                 bool cache83,
 505                 const struct share_params *p);
 506
 507 /* The following definitions come from smbd/mangle_hash.c  */
 508
 509 const struct mangle_fns *mangle_hash_init(void);
 510
 511 /* The following definitions come from smbd/mangle_hash2.c  */
 512
 513 const struct mangle_fns *mangle_hash2_init(void);
 514 const struct mangle_fns *posix_mangle_init(void);
 515
 516 /* The following definitions come from smbd/msdfs.c  */
 517
 518 bool parse_msdfs_symlink(TALLOC_CTX *ctx,
 519                         bool shuffle_referrals,
 520                         const char *target,
 521                         struct referral **preflist,
 522                         size_t *refcount);
 523 bool is_msdfs_link(struct files_struct *dirfsp,
 524                    struct smb_filename *smb_fname);
 525 struct junction_map;
 526 NTSTATUS get_referred_path(TALLOC_CTX *ctx,
 527                            struct auth_session_info *session_info,
 528                            const char *dfs_path,
 529                            const struct tsocket_address *remote_address,
 530                            const struct tsocket_address *local_address,
 531                            struct junction_map *jucn,
 532                            size_t *consumedcntp,
 533                            bool *self_referralp);
 534 int setup_dfs_referral(connection_struct *orig_conn,
 535                         const char *dfs_path,
 536                         int max_referral_level,
 537                         char **ppdata, NTSTATUS *pstatus);
 538 bool create_junction(TALLOC_CTX *ctx,
 539                 const char *dfs_path,
 540                 struct junction_map *jucn);
 541 struct referral;
 542 char *msdfs_link_string(TALLOC_CTX *ctx,
 543                 const struct referral *reflist,
 544                 size_t referral_count);
 545 bool create_msdfs_link(const struct junction_map *jucn,
 546                        struct auth_session_info *session_info);
 547 bool remove_msdfs_link(const struct junction_map *jucn,
 548                        struct auth_session_info *session_info);
 549
 550 struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx,
 551                                       struct auth_session_info *session_info,
 552                                       size_t *p_num_jn);
 553 struct connection_struct;
 554 struct smb_filename;
 555
 556 NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx,
 557                                 struct tevent_context *ev,
 558                                 struct messaging_context *msg,
 559                                 const struct auth_session_info *session_info,
 560                                 int snum,
 561                                 const char *path,
 562                                 struct connection_struct **c);
 563 struct conn_struct_tos {
 564         struct connection_struct *conn;
 565         struct smb_filename *oldcwd_fname;
 566 };
 567 NTSTATUS create_conn_struct_tos(struct messaging_context *msg,
 568                                 int snum,
 569                                 const char *path,
 570                                 const struct auth_session_info *session_info,
 571                                 struct conn_struct_tos **_c);
 572 NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg,
 573                                     int snum,
 574                                     const char *path,
 575                                     const struct auth_session_info *session_info,
 576                                     struct conn_struct_tos **_c);
 577
 578 /* The following definitions come from smbd/notify.c  */
 579
 580 bool change_notify_fsp_has_changes(struct files_struct *fsp);
 581 void change_notify_reply(struct smb_request *req,
 582                          NTSTATUS error_code,
 583                          uint32_t max_param,
 584                          struct notify_change_buf *notify_buf,
 585                          void (*reply_fn)(struct smb_request *req,
 586                                           NTSTATUS error_code,
 587                                           uint8_t *buf, size_t len));
 588 void notify_callback(struct smbd_server_connection *sconn,
 589                      void *private_data, struct timespec when,
 590                      const struct notify_event *e);
 591 NTSTATUS change_notify_create(struct files_struct *fsp,
 592                               uint32_t max_buffer_size,
 593                               uint32_t filter,
 594                               bool recursive);
 595 NTSTATUS change_notify_add_request(struct smb_request *req,
 596                                 uint32_t max_param,
 597                                 uint32_t filter, bool recursive,
 598                                 struct files_struct *fsp,
 599                                 void (*reply_fn)(struct smb_request *req,
 600                                         NTSTATUS error_code,
 601                                         uint8_t *buf, size_t len));
 602 void smbd_notify_cancel_deleted(struct messaging_context *msg,
 603                                 void *private_data, uint32_t msg_type,
 604                                 struct server_id server_id, DATA_BLOB *data);
 605 void smbd_notifyd_restarted(struct messaging_context *msg,
 606                             void *private_data, uint32_t msg_type,
 607                             struct server_id server_id, DATA_BLOB *data);
 608 bool remove_pending_change_notify_requests_by_mid(
 609         struct smbd_server_connection *sconn, uint64_t mid);
 610 void remove_pending_change_notify_requests_by_fid(files_struct *fsp,
 611                                                   NTSTATUS status);
 612 void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter,
 613                   const char *path);
 614 char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter);
 615 struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx,
 616                                                      struct tevent_context *ev);
 617
 618 /* The following definitions come from smbd/notify_inotify.c  */
 619
 620 int inotify_watch(TALLOC_CTX *mem_ctx,
 621                   struct sys_notify_context *ctx,
 622                   const char *path,
 623                   uint32_t *filter,
 624                   uint32_t *subdir_filter,
 625                   void (*callback)(struct sys_notify_context *ctx,
 626                                    void *private_data,
 627                                    struct notify_event *ev,
 628                                    uint32_t filter),
 629                   void *private_data,
 630                   void *handle_p);
 631
 632 int fam_watch(TALLOC_CTX *mem_ctx,
 633               struct sys_notify_context *ctx,
 634               const char *path,
 635               uint32_t *filter,
 636               uint32_t *subdir_filter,
 637               void (*callback)(struct sys_notify_context *ctx,
 638                                void *private_data,
 639                                struct notify_event *ev,
 640                                uint32_t filter),
 641               void *private_data,
 642               void *handle_p);
 643
 644
 645 /* The following definitions come from smbd/notify_internal.c  */
 646
 647 struct notify_context *notify_init(
 648         TALLOC_CTX *mem_ctx, struct messaging_context *msg,
 649         struct smbd_server_connection *sconn,
 650         void (*callback)(struct smbd_server_connection *sconn,
 651                          void *, struct timespec,
 652                          const struct notify_event *));
 653 NTSTATUS notify_add(struct notify_context *ctx,
 654                     const char *path, uint32_t filter, uint32_t subdir_filter,
 655                     void *private_data);
 656 NTSTATUS notify_remove(struct notify_context *ctx, void *private_data,
 657                        char *path);
 658 void notify_trigger(struct notify_context *notify,
 659                     uint32_t action, uint32_t filter,
 660                     const char *dir, const char *path);
 661
 662 /* The following definitions come from smbd/ntquotas.c  */
 663
 664 NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype,
 665                          struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 666 int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt);
 667 int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list);
 668 void *init_quota_handle(TALLOC_CTX *mem_ctx);
 669
 670 /* The following definitions come from smbd/smb2_nttrans.c  */
 671
 672 NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd,
 673                        uint32_t security_info_sent);
 674 NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len,
 675                        uint32_t security_info_sent);
 676 NTSTATUS copy_internals(TALLOC_CTX *ctx,
 677                         connection_struct *conn,
 678                         struct smb_request *req,
 679                         struct files_struct *src_dirfsp,
 680                         struct smb_filename *smb_fname_src,
 681                         struct files_struct *dst_dirfsp,
 682                         struct smb_filename *smb_fname_dst,
 683                         uint32_t attrs);
 684 NTSTATUS smbd_do_query_security_desc(connection_struct *conn,
 685                                         TALLOC_CTX *mem_ctx,
 686                                         files_struct *fsp,
 687                                         uint32_t security_info_wanted,
 688                                         uint32_t max_data_count,
 689                                         uint8_t **ppmarshalled_sd,
 690                                         size_t *psd_size);
 691 #ifdef HAVE_SYS_QUOTAS
 692
 693 struct smb2_query_quota_info;
 694
 695 NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx,
 696                                      files_struct *fsp,
 697                                      bool restart_scan,
 698                                      bool return_single,
 699                                      uint32_t sid_list_length,
 700                                      DATA_BLOB *sidbuffer,
 701                                      uint32_t max_data_count,
 702                                      uint8_t **p_data,
 703                                      uint32_t *p_data_size);
 704 #endif
 705
 706 /* The following definitions come from smbd/open.c  */
 707
 708 NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp,
 709                                       struct files_struct *fsp,
 710                                       bool use_privs,
 711                                       uint32_t access_mask);
 712 NTSTATUS check_parent_access_fsp(struct files_struct *fsp,
 713                                 uint32_t access_mask);
 714 NTSTATUS fd_openat(const struct files_struct *dirfsp,
 715                    struct smb_filename *smb_fname,
 716                    files_struct *fsp,
 717                    const struct vfs_open_how *how);
 718 NTSTATUS fd_close(files_struct *fsp);
 719 bool is_oplock_stat_open(uint32_t access_mask);
 720 bool is_lease_stat_open(uint32_t access_mask);
 721 NTSTATUS send_break_message(struct messaging_context *msg_ctx,
 722                             const struct file_id *id,
 723                             const struct share_mode_entry *exclusive,
 724                             uint16_t break_to);
 725 struct deferred_open_record;
 726 bool is_deferred_open_async(const struct deferred_open_record *rec);
 727 bool defer_smb1_sharing_violation(struct smb_request *req);
 728 NTSTATUS create_directory(connection_struct *conn,
 729                           struct smb_request *req,
 730                           struct files_struct *dirfsp,
 731                           struct smb_filename *smb_dname);
 732 void msg_file_was_renamed(struct messaging_context *msg,
 733                           void *private_data,
 734                           uint32_t msg_type,
 735                           struct server_id server_id,
 736                           DATA_BLOB *data);
 737 struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp,
 738                                  const struct smb2_lease_key *key,
 739                                  uint32_t current_state,
 740                                  uint16_t lease_version,
 741                                  uint16_t lease_epoch);
 742 NTSTATUS create_file_default(connection_struct *conn,
 743                              struct smb_request *req,
 744                              struct files_struct *dirfsp,
 745                              struct smb_filename * smb_fname,
 746                              uint32_t access_mask,
 747                              uint32_t share_access,
 748                              uint32_t create_disposition,
 749                              uint32_t create_options,
 750                              uint32_t file_attributes,
 751                              uint32_t oplock_request,
 752                              const struct smb2_lease *lease,
 753                              uint64_t allocation_size,
 754                              uint32_t private_flags,
 755                              struct security_descriptor *sd,
 756                              struct ea_list *ea_list,
 757                              files_struct **result,
 758                              int *pinfo,
 759                              const struct smb2_create_blobs *in_context_blobs,
 760                              struct smb2_create_blobs *out_context_blobs);
 761
 762 /* The following definitions come from smbd/oplock.c  */
 763
 764 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
 765
 766 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
 767 NTSTATUS set_file_oplock(files_struct *fsp);
 768 void release_file_oplock(files_struct *fsp);
 769 bool remove_oplock(files_struct *fsp);
 770 bool downgrade_oplock(files_struct *fsp);
 771 bool fsp_lease_update(struct files_struct *fsp);
 772 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
 773                         uint32_t num_file_ids,
 774                         const struct file_id *ids,
 775                         const struct smb2_lease_key *key,
 776                         uint32_t lease_state);
 777 void contend_level2_oplocks_begin(files_struct *fsp,
 778                                   enum level2_contention_type type);
 779 void contend_level2_oplocks_end(files_struct *fsp,
 780                                 enum level2_contention_type type);
 781 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
 782                                   enum level2_contention_type type);
 783 void smbd_contend_level2_oplocks_end(files_struct *fsp,
 784                                 enum level2_contention_type type);
 785 void share_mode_entry_to_message(char *msg, const struct file_id *id,
 786                                  const struct share_mode_entry *e);
 787 void message_to_share_mode_entry(struct file_id *id,
 788                                  struct share_mode_entry *e,
 789                                  const char *msg);
 790 bool init_oplocks(struct smbd_server_connection *sconn);
 791 void init_kernel_oplocks(struct smbd_server_connection *sconn);
 792
 793 /* The following definitions come from smbd/oplock_linux.c  */
 794
 795 int linux_set_lease_sighandler(int fd);
 796 int linux_setlease(int fd, int leasetype);
 797 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
 798
 799 /* The following definitions come from smbd/password.c  */
 800
 801 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
 802 int register_homes_share(const char *username);
 803
 804 /* The following definitions come from smbd/pipes.c  */
 805
 806 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
 807                       struct files_struct **pfsp);
 808
 809 /* The following definitions come from smbd/posix_acls.c  */
 810
 811 mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask);
 812 int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset);
 813 uint32_t map_canon_ace_perms(int snum,
 814                                 enum security_ace_type *pacl_type,
 815                                 mode_t perms,
 816                                 bool directory_ace);
 817 bool current_user_in_group(connection_struct *conn, gid_t gid);
 818 SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl);
 819 NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info,
 820                            TALLOC_CTX *mem_ctx,
 821                            struct security_descriptor **ppdesc);
 822 NTSTATUS chown_if_needed(files_struct *fsp, uint32_t security_info_sent,
 823                          const struct security_descriptor *psd,
 824                          bool *did_chown);
 825 NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd);
 826 int get_acl_group_bits(connection_struct *conn,
 827                        struct files_struct *fsp,
 828                        mode_t *mode);
 829 int inherit_access_posix_acl(connection_struct *conn,
 830                              struct files_struct *inherit_from_dirfsp,
 831                              const struct smb_filename *smb_fname,
 832                              mode_t mode);
 833 NTSTATUS set_unix_posix_default_acl(connection_struct *conn,
 834                                 files_struct *fsp,
 835                                 uint16_t num_def_acls, const char *pdata);
 836 NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp,
 837                                 uint16_t num_acls,
 838                                 const char *pdata);
 839 int posix_sys_acl_blob_get_file(vfs_handle_struct *handle,
 840                                 const struct smb_filename *smb_fname,
 841                                 TALLOC_CTX *mem_ctx,
 842                                 char **blob_description,
 843                                 DATA_BLOB *blob);
 844 int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle,
 845                               files_struct *fsp,
 846                               TALLOC_CTX *mem_ctx,
 847                               char **blob_description,
 848                               DATA_BLOB *blob);
 849
 850 enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE};
 851
 852 const struct enum_list *get_default_acl_style_list(void);
 853
 854 NTSTATUS make_default_filesystem_acl(
 855         TALLOC_CTX *ctx,
 856         enum default_acl_style acl_style,
 857         const char *name,
 858         const SMB_STRUCT_STAT *psbuf,
 859         struct security_descriptor **ppdesc);
 860
 861 /* The following definitions come from smbd/smb2_process.c  */
 862
 863 #if !defined(WITH_SMB1SERVER)
 864 bool smb1_srv_send(struct smbXsrv_connection *xconn,
 865                    char *buffer,
 866                    bool do_signing,
 867                    uint32_t seqnum,
 868                    bool do_encrypt);
 869 #endif
 870 size_t srv_smb1_set_message(char *buf,
 871                        size_t num_words,
 872                        size_t num_bytes,
 873                        bool zero);
 874 NTSTATUS read_packet_remainder(int fd, char *buffer,
 875                                unsigned int timeout, ssize_t len);
 876 NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx,
 877                             struct smbXsrv_connection *xconn,
 878                             int sock,
 879                             char **buffer, unsigned int timeout,
 880                             size_t *p_unread, bool *p_encrypted,
 881                             size_t *p_len,
 882                             uint32_t *seqnum,
 883                             bool trusted_channel);
 884 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 885                                       uint64_t mid);
 886 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 887                                         uint64_t mid);
 888 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
 889 bool get_deferred_open_message_state(struct smb_request *smbreq,
 890                                 struct timeval *p_request_time,
 891                                 struct deferred_open_record **open_rec);
 892 bool push_deferred_open_message_smb(struct smb_request *req,
 893                                     struct timeval timeout,
 894                                     struct file_id id,
 895                                     struct deferred_open_record *open_rec);
 896 bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req,
 897                    const uint8_t *inbuf, char **outbuf,
 898                    uint8_t num_words, uint32_t num_bytes);
 899 void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf);
 900 void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
 901 void process_smb(struct smbXsrv_connection *xconn,
 902                  uint8_t *inbuf,
 903                  size_t nread,
 904                  size_t unread_bytes,
 905                  uint32_t seqnum,
 906                  bool encrypted);
 907 void smbd_process(struct tevent_context *ev_ctx,
 908                   struct messaging_context *msg_ctx,
 909                   int sock_fd,
 910                   bool interactive);
 911 bool valid_smb1_header(const uint8_t *inbuf);
 912 bool init_smb1_request(struct smb_request *req,
 913                       struct smbd_server_connection *sconn,
 914                       struct smbXsrv_connection *xconn,
 915                       const uint8_t *inbuf,
 916                       size_t unread_bytes, bool encrypted,
 917                       uint32_t seqnum);
 918
 919 /* The following definitions come from smbd/quotas.c  */
 920
 921 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
 922                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 923
 924 /* The following definitions come from smbd/smb2_reply.c  */
 925
 926 NTSTATUS check_path_syntax(char *path, bool posix);
 927 NTSTATUS smb1_strip_dfs_path(TALLOC_CTX *mem_ctx,
 928                              uint32_t *ucf_flags,
 929                              char **in_path);
 930 NTSTATUS smb2_strip_dfs_path(const char *in_path, const char **out_path);
 931 size_t srvstr_get_path(TALLOC_CTX *ctx,
 932                         const char *inbuf,
 933                         uint16_t smb_flags2,
 934                         char **pp_dest,
 935                         const char *src,
 936                         size_t src_len,
 937                         int flags,
 938                         NTSTATUS *err);
 939 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
 940                         const char *inbuf,
 941                         uint16_t smb_flags2,
 942                         char **pp_dest,
 943                         const char *src,
 944                         size_t src_len,
 945                         int flags,
 946                         NTSTATUS *err);
 947 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
 948                            char **pp_dest, const char *src, int flags,
 949                            NTSTATUS *err);
 950 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
 951                               char **dest, const uint8_t *src, int flags);
 952 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
 953                     files_struct *fsp);
 954 bool check_fsp(connection_struct *conn, struct smb_request *req,
 955                files_struct *fsp);
 956 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
 957                               files_struct *fsp);
 958 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
 959 NTSTATUS unlink_internals(connection_struct *conn,
 960                         struct smb_request *req,
 961                         uint32_t dirtype,
 962                         struct files_struct *dirfsp,
 963                         struct smb_filename *smb_fname);
 964 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
 965                       off_t startpos, size_t nread);
 966 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
 967                             files_struct *fsp,
 968                             ssize_t nread,
 969                             size_t headersize,
 970                             size_t smb_maxcnt);
 971 NTSTATUS rename_internals_fsp(connection_struct *conn,
 972                         files_struct *fsp,
 973                         struct files_struct *dst_dirfsp,
 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 files_struct *src_dirfsp,
 982                         struct smb_filename *smb_fname_src,
 983                         struct files_struct *dst_dirfsp,
 984                         struct smb_filename *smb_fname_dst,
 985                         const char *dst_original_lcomp,
 986                         uint32_t attrs,
 987                         bool replace_if_exists,
 988                         uint32_t access_mask);
 989 NTSTATUS copy_file(TALLOC_CTX *ctx,
 990                         connection_struct *conn,
 991                         struct smb_filename *smb_fname_src,
 992                         struct smb_filename *smb_fname_dst,
 993                         uint32_t new_create_disposition);
 994 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
 995                          bool large_file_format);
 996
 997 /* The following definitions come from smbd/seal.c  */
 998
 999 bool is_encrypted_packet(const uint8_t *inbuf);
1000 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
1001 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
1002 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
1003                             char **buf_out);
1004 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
1005                                         unsigned char **ppdata,
1006                                         size_t *p_data_size,
1007                                         unsigned char **pparam,
1008                                         size_t *p_param_size);
1009 NTSTATUS srv_encryption_start(connection_struct *conn);
1010 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1011
1012 /* The following definitions come from smbd/sec_ctx.c  */
1013
1014 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1015 bool push_sec_ctx(void);
1016 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1017 void set_root_sec_ctx(void);
1018 bool pop_sec_ctx(void);
1019 void init_sec_ctx(void);
1020 const struct security_token *sec_ctx_active_token(void);
1021
1022 /* The following definitions come from smbd/server.c  */
1023
1024 struct memcache *smbd_memcache(void);
1025 bool snum_is_shared_printer(int snum);
1026 void delete_and_reload_printers(void);
1027 bool reload_services(struct smbd_server_connection *sconn,
1028                      bool (*snumused) (struct smbd_server_connection *, int),
1029                      bool test);
1030
1031 /* The following definitions come from smbd/server_exit.c  */
1032
1033 void smbd_exit_server(const char *reason) _NORETURN_;
1034 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1035
1036 /* The following definitions come from smbd/smb2_service.c  */
1037
1038 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1039 bool canonicalize_connect_path(connection_struct *conn);
1040 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1041 bool chdir_current_service(connection_struct *conn);
1042 void load_registry_shares(void);
1043 int add_home_service(const char *service, const char *username, const char *homedir);
1044 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1045 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1046                                         struct smbXsrv_tcon *tcon,
1047                                         int snum,
1048                                         const char *pdev,
1049                                         NTSTATUS *pstatus);
1050 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1051                               connection_struct *conn,
1052                               int snum,
1053                               struct smbXsrv_session *session,
1054                               const char *pdev);
1055 void close_cnum(connection_struct *conn,
1056                 uint64_t vuid,
1057                 enum file_close_type close_type);
1058
1059 /* The following definitions come from smbd/session.c  */
1060 struct sessionid;
1061 struct smbXsrv_session;
1062 bool session_init(void);
1063 bool session_claim(struct smbXsrv_session *session);
1064 void session_yield(struct smbXsrv_session *session);
1065 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1066 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1067                   const char *machine, struct sessionid **session_list);
1068
1069 /* The following definitions come from smbd/share_access.c  */
1070
1071 bool token_contains_name_in_list(const char *username,
1072                                  const char *domain,
1073                                  const char *sharename,
1074                                  const struct security_token *token,
1075                                  const char **list);
1076 bool user_ok_token(const char *username, const char *domain,
1077                    const struct security_token *token, int snum);
1078 bool is_share_read_only_for_token(const char *username,
1079                                   const char *domain,
1080                                   const struct security_token *token,
1081                                   connection_struct *conn);
1082
1083 /* The following definitions come from smbd/srvstr.c  */
1084
1085 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1086                       const char *src, int dest_len, int flags, size_t *ret_len);
1087
1088 /* The following definitions come from smbd/statvfs.c  */
1089
1090 int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf);
1091
1092 /* The following definitions come from smbd/trans2.c  */
1093
1094 char *store_file_unix_basic(connection_struct *conn,
1095                             char *pdata,
1096                             files_struct *fsp,
1097                             const SMB_STRUCT_STAT *psbuf);
1098 char *store_file_unix_basic_info2(connection_struct *conn,
1099                                   char *pdata,
1100                                   files_struct *fsp,
1101                                   const SMB_STRUCT_STAT *psbuf);
1102 NTSTATUS smb_set_file_disposition_info(connection_struct *conn,
1103                                        const char *pdata,
1104                                        int total_data,
1105                                        files_struct *fsp,
1106                                        struct smb_filename *smb_fname);
1107 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1108 NTSTATUS check_access_fsp(struct files_struct *fsp,
1109                           uint32_t access_mask);
1110 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1111 bool samba_private_attr_name(const char *unix_ea_name);
1112 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1113                           files_struct *fsp,
1114                           const char *ea_name,
1115                           struct ea_struct *pea);
1116 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1117                         files_struct *fsp,
1118                         char ***pnames,
1119                         size_t *pnum_names);
1120 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1121                 struct ea_list *ea_list);
1122 unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]);
1123 NTSTATUS hardlink_internals(TALLOC_CTX *ctx,
1124                 connection_struct *conn,
1125                 struct smb_request *req,
1126                 bool overwrite_if_exists,
1127                 struct files_struct *old_dirfsp,
1128                 const struct smb_filename *smb_fname_old,
1129                 struct files_struct *new_dirfsp,
1130                 struct smb_filename *smb_fname_new);
1131 NTSTATUS smb_set_file_time(connection_struct *conn,
1132                            files_struct *fsp,
1133                            struct smb_filename *smb_fname,
1134                            struct smb_file_time *ft,
1135                            bool setting_write_time);
1136 NTSTATUS smb_set_file_size(connection_struct *conn,
1137                            struct smb_request *req,
1138                            files_struct *fsp,
1139                            struct smb_filename *smb_fname,
1140                            const SMB_STRUCT_STAT *psbuf,
1141                            off_t size,
1142                            bool fail_after_createfile);
1143
1144 bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf,
1145                              const uint32_t smb_fflags,
1146                              const uint32_t smb_fmask,
1147                              int *stat_fflags);
1148
1149 enum perm_type {
1150         PERM_NEW_FILE,
1151         PERM_NEW_DIR,
1152         PERM_EXISTING_FILE,
1153         PERM_EXISTING_DIR
1154 };
1155
1156 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1157                               const SMB_STRUCT_STAT *psbuf,
1158                               uint32_t perms,
1159                               enum perm_type ptype,
1160                               mode_t *ret_perms);
1161 struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata,
1162                              size_t data_size);
1163 unsigned int estimate_ea_size(files_struct *fsp);
1164 NTSTATUS smb_set_fsquota(connection_struct *conn,
1165                          struct smb_request *req,
1166                          files_struct *fsp,
1167                          const DATA_BLOB *qdata);
1168
1169 /* The following definitions come from smbd/uid.c  */
1170
1171 bool change_to_guest(void);
1172 NTSTATUS check_user_share_access(connection_struct *conn,
1173                                 const struct auth_session_info *session_info,
1174                                 uint32_t *p_share_access,
1175                                 bool *p_readonly_share);
1176 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1177 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1178 bool smbd_change_to_root_user(void);
1179 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1180 bool smbd_unbecome_authenticated_pipe_user(void);
1181 void become_root(void);
1182 void unbecome_root(void);
1183 void smbd_become_root(void);
1184 void smbd_unbecome_root(void);
1185 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1186 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1187 bool become_user_without_service_by_session(connection_struct *conn,
1188                             const struct auth_session_info *session_info);
1189 bool unbecome_user_without_service(void);
1190 uid_t get_current_uid(connection_struct *conn);
1191 gid_t get_current_gid(connection_struct *conn);
1192 const struct security_unix_token *get_current_utok(connection_struct *conn);
1193 const struct security_token *get_current_nttok(connection_struct *conn);
1194
1195 /* The following definitions come from smbd/utmp.c  */
1196
1197 void sys_utmp_claim(const char *username, const char *hostname,
1198                     const char *id_str, int id_num);
1199 void sys_utmp_yield(const char *username, const char *hostname,
1200                     const char *id_str, int id_num);
1201
1202 /* The following definitions come from smbd/vfs.c  */
1203
1204 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1205 bool smbd_vfs_init(connection_struct *conn);
1206 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1207 bool vfs_valid_pread_range(off_t offset, size_t length);
1208 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1209 ssize_t vfs_pwrite_data(struct smb_request *req,
1210                         files_struct *fsp,
1211                         const char *buffer,
1212                         size_t N,
1213                         off_t offset);
1214 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1215 int vfs_set_filelen(files_struct *fsp, off_t len);
1216 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1217 int vfs_fill_sparse(files_struct *fsp, off_t len);
1218 int vfs_set_blocking(files_struct *fsp, bool set);
1219 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1220 const char *vfs_readdirname(connection_struct *conn,
1221                             struct files_struct *dirfsp,
1222                             void *p,
1223                             SMB_STRUCT_STAT *sbuf,
1224                             char **talloced);
1225 int vfs_ChDir(connection_struct *conn,
1226                         const struct smb_filename *smb_fname);
1227 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1228 int vfs_stat(struct connection_struct *conn,
1229              struct smb_filename *smb_fname);
1230 int vfs_stat_smb_basename(struct connection_struct *conn,
1231                         const struct smb_filename *smb_fname_in,
1232                         SMB_STRUCT_STAT *psbuf);
1233 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1234 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1235                         TALLOC_CTX *mem_ctx,
1236                         unsigned int *num_streams,
1237                         struct stream_struct **streams);
1238 void init_smb_file_time(struct smb_file_time *ft);
1239 int vfs_fake_fd(void);
1240 int vfs_fake_fd_close(int fd);
1241
1242 /* The following definitions come from smbd/avahi_register.c */
1243
1244 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1245                            uint16_t port);
1246
1247 /* The following definitions come from smbd/smb2_create.c */
1248
1249 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1250                                     TALLOC_CTX *mem_ctx,
1251                                     DATA_BLOB *cookie_blob);
1252 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1253                                         const DATA_BLOB old_cookie,
1254                                         TALLOC_CTX *mem_ctx,
1255                                         DATA_BLOB *new_cookie);
1256 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1257                                        struct smb_request *smb1req,
1258                                        struct smbXsrv_open *op,
1259                                        const DATA_BLOB old_cookie,
1260                                        TALLOC_CTX *mem_ctx,
1261                                        files_struct **result,
1262                                        DATA_BLOB *new_cookie);
1263
1264 /* The following definitions come from smbd/smb2_posix.c */
1265 ssize_t smb2_posix_cc_info(
1266         connection_struct *conn,
1267         uint32_t reparse_tag,
1268         const SMB_STRUCT_STAT *psbuf,
1269         const struct dom_sid *owner,
1270         const struct dom_sid *group,
1271         uint8_t *buf,
1272         size_t buflen);
1273 ssize_t store_smb2_posix_info(
1274         connection_struct *conn,
1275         const SMB_STRUCT_STAT *psbuf,
1276         uint32_t reparse_tag,
1277         uint32_t dos_attributes,
1278         uint8_t *buf,
1279         size_t buflen);
1280
1281 #endif /* _SMBD_PROTO_H_ */