source3/smbd/proto.h

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Main SMB server routines
   4  *
   5  *  Copyright (C) Andrew Tridgell                       1992-2002,2006
   6  *  Copyright (C) Jeremy Allison                        1992-2010
   7  *  Copyright (C) Volker Lendecke                       1993-2009
   8  *  Copyright (C) John H Terpstra                       1995-1998
   9  *  Copyright (C) Luke Kenneth Casson Leighton          1996-1998
  10  *  Copyright (C) Paul Ashton                           1997-1998
  11  *  Copyright (C) Tim Potter                            1999-2000
  12  *  Copyright (C) T.D.Lee@durham.ac.uk                  1999
  13  *  Copyright (C) Ying Chen                             2000
  14  *  Copyright (C) Shirish Kalele                        2000
  15  *  Copyright (C) Andrew Bartlett                       2001-2003
  16  *  Copyright (C) Alexander Bokovoy                     2002,2005
  17  *  Copyright (C) Simo Sorce                            2001-2002,2009
  18  *  Copyright (C) Andreas Gruenbacher                   2002
  19  *  Copyright (C) Jim McDonough <jmcd@us.ibm.com>       2002
  20  *  Copyright (C) Martin Pool                           2002
  21  *  Copyright (C) Luke Howard                           2003
  22  *  Copyright (C) Stefan (metze) Metzmacher             2003,2009
  23  *  Copyright (C) Steve French                          2005
  24  *  Copyright (C) Gerald (Jerry) Carter                 2006
  25  *  Copyright (C) James Peach                           2006-2007
  26  *  Copyright (C) Jelmer Vernooij                       2002-2003
  27  *  Copyright (C) Michael Adam                          2007
  28  *  Copyright (C) Rishi Srivatsavai                     2007
  29  *  Copyright (C) Tim Prouty                            2009
  30  *  Copyright (C) Gregor Beck                           2011
  31  *
  32  *  This program is free software; you can redistribute it and/or modify
  33  *  it under the terms of the GNU General Public License as published by
  34  *  the Free Software Foundation; either version 3 of the License, or
  35  *  (at your option) any later version.
  36  *
  37  *  This program is distributed in the hope that it will be useful,
  38  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  39  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  40  *  GNU General Public License for more details.
  41  *
  42  *  You should have received a copy of the GNU General Public License
  43  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  44  */
  45
  46 #ifndef _SMBD_PROTO_H_
  47 #define _SMBD_PROTO_H_
  48
  49 /* The following definitions come from smbd/signing.c  */
  50
  51 struct smbXsrv_client;
  52 struct smbXsrv_connection;
  53 struct dcesrv_context;
  54
  55 bool smb1_srv_check_sign_mac(struct smbXsrv_connection *conn,
  56                         const char *inbuf, uint32_t *seqnum, bool trusted_channel);
  57 NTSTATUS smb1_srv_calculate_sign_mac(struct smbXsrv_connection *conn,
  58                                 char *outbuf, uint32_t seqnum);
  59 void smb1_srv_cancel_sign_response(struct smbXsrv_connection *conn);
  60 void smb1_srv_set_signing_negotiated(struct smbXsrv_connection *conn,
  61                                 bool allowed, bool mandatory);
  62 bool smb1_srv_is_signing_active(struct smbXsrv_connection *conn);
  63 bool smb1_srv_is_signing_negotiated(struct smbXsrv_connection *conn);
  64 void smb1_srv_set_signing(struct smbXsrv_connection *conn,
  65                      const DATA_BLOB user_session_key,
  66                      const DATA_BLOB response);
  67 bool smb1_srv_init_signing(struct smbXsrv_connection *conn);
  68
  69 /* The following definitions come from smbd/smb2_signing.c */
  70
  71 bool smb2_srv_init_signing(struct smbXsrv_connection *conn);
  72 bool srv_init_signing(struct smbXsrv_connection *conn);
  73
  74 /* The following definitions come from smbd/aio.c  */
  75
  76 struct aio_extra;
  77 bool aio_write_through_requested(struct aio_extra *aio_ex);
  78 NTSTATUS schedule_smb2_aio_read(connection_struct *conn,
  79                                 struct smb_request *smbreq,
  80                                 files_struct *fsp,
  81                                 TALLOC_CTX *ctx,
  82                                 DATA_BLOB *preadbuf,
  83                                 off_t startpos,
  84                                 size_t smb_maxcnt);
  85 NTSTATUS schedule_aio_smb2_write(connection_struct *conn,
  86                                 struct smb_request *smbreq,
  87                                 files_struct *fsp,
  88                                 uint64_t in_offset,
  89                                 DATA_BLOB in_data,
  90                                 bool write_through);
  91 bool cancel_smb2_aio(struct smb_request *smbreq);
  92 bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req);
  93 struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx,
  94                                    files_struct *fsp,
  95                                    size_t buflen);
  96 struct tevent_req *pwrite_fsync_send(TALLOC_CTX *mem_ctx,
  97                                      struct tevent_context *ev,
  98                                      struct files_struct *fsp,
  99                                      const void *data,
 100                                      size_t n, off_t offset,
 101                                      bool write_through);
 102 ssize_t pwrite_fsync_recv(struct tevent_req *req, int *perr);
 103
 104 /* The following definitions come from smbd/blocking.c  */
 105
 106 NTSTATUS smbd_do_locks_try(
 107         struct files_struct *fsp,
 108         uint16_t num_locks,
 109         struct smbd_lock_element *locks,
 110         uint16_t *blocker_idx,
 111         struct server_id *blocking_pid,
 112         uint64_t *blocking_smblctx);
 113 struct tevent_req *smbd_smb1_do_locks_send(
 114         TALLOC_CTX *mem_ctx,
 115         struct tevent_context *ev,
 116         struct smb_request **smbreq, /* talloc_move()d into our state */
 117         struct files_struct *fsp,
 118         uint32_t lock_timeout,
 119         bool large_offset,
 120         uint16_t num_locks,
 121         struct smbd_lock_element *locks);
 122 NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req);
 123 bool smbd_smb1_do_locks_extract_smbreq(
 124         struct tevent_req *req,
 125         TALLOC_CTX *mem_ctx,
 126         struct smb_request **psmbreq);
 127 void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status);
 128 bool smbd_smb1_brl_finish_by_lock(
 129         struct files_struct *fsp,
 130         bool large_offset,
 131         struct smbd_lock_element lock,
 132         NTSTATUS finish_status);
 133 bool smbd_smb1_brl_finish_by_mid(
 134         struct smbd_server_connection *sconn, uint64_t mid);
 135
 136 /* The following definitions come from smbd/close.c  */
 137
 138 void set_close_write_time(struct files_struct *fsp, struct timespec ts);
 139 NTSTATUS close_file_smb(struct smb_request *req,
 140                         struct files_struct *fsp,
 141                         enum file_close_type close_type);
 142 NTSTATUS close_file_free(struct smb_request *req,
 143                          struct files_struct **_fsp,
 144                          enum file_close_type close_type);
 145 void msg_close_file(struct messaging_context *msg_ctx,
 146                     void *private_data,
 147                     uint32_t msg_type,
 148                     struct server_id server_id,
 149                     DATA_BLOB *data);
 150 NTSTATUS delete_all_streams(connection_struct *conn,
 151                         const struct smb_filename *smb_fname);
 152 NTSTATUS recursive_rmdir(TALLOC_CTX *ctx,
 153                      connection_struct *conn,
 154                      struct smb_filename *smb_dname);
 155 bool has_other_nonposix_opens(struct share_mode_lock *lck,
 156                               struct files_struct *fsp);
 157
 158 /* The following definitions come from smbd/conn.c  */
 159
 160 int conn_num_open(struct smbd_server_connection *sconn);
 161 bool conn_snum_used(struct smbd_server_connection *sconn, int snum);
 162 connection_struct *conn_new(struct smbd_server_connection *sconn);
 163 bool conn_idle_all(struct smbd_server_connection *sconn, time_t t);
 164 void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid);
 165 void conn_free(connection_struct *conn);
 166 void conn_setup_case_options(connection_struct *conn);
 167 void conn_force_tdis(
 168         struct smbd_server_connection *sconn,
 169         bool (*check_fn)(struct connection_struct *conn,
 170                          void *private_data),
 171         void *private_data);
 172 void msg_force_tdis(struct messaging_context *msg,
 173                     void *private_data,
 174                     uint32_t msg_type,
 175                     struct server_id server_id,
 176                     DATA_BLOB *data);
 177 void msg_force_tdis_denied(
 178         struct messaging_context *msg,
 179         void *private_data,
 180         uint32_t msg_type,
 181         struct server_id server_id,
 182         DATA_BLOB *data);
 183
 184 /* The following definitions come from smbd/connection.c  */
 185
 186 int count_current_connections(const char *sharename, bool verify);
 187 bool connections_snum_used(struct smbd_server_connection *unused, int snum);
 188
 189 /* The following definitions come from smbd/dfree.c  */
 190
 191 uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname,
 192                         uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 193 void flush_dfree_cache(void);
 194
 195 /* The following definitions come from smbd/dir.c  */
 196
 197 bool init_dptrs(struct smbd_server_connection *sconn);
 198 const char *dptr_path(struct smbd_server_connection *sconn, int key);
 199 const char *dptr_wcard(struct smbd_server_connection *sconn, int key);
 200 uint16_t dptr_attr(struct smbd_server_connection *sconn, int key);
 201 void dptr_closecnum(connection_struct *conn);
 202 NTSTATUS dptr_create(connection_struct *conn,
 203                 struct smb_request *req,
 204                 files_struct *fsp,
 205                 bool old_handle,
 206                 bool expect_close,
 207                 uint16_t spid,
 208                 const char *wcard,
 209                 uint32_t attr,
 210                 struct dptr_struct **dptr_ret);
 211 void dptr_CloseDir(files_struct *fsp);
 212 void dptr_SeekDir(struct dptr_struct *dptr, long offset);
 213 long dptr_TellDir(struct dptr_struct *dptr);
 214 bool dptr_has_wild(struct dptr_struct *dptr);
 215 int dptr_dnum(struct dptr_struct *dptr);
 216 bool dptr_get_priv(struct dptr_struct *dptr);
 217 void dptr_set_priv(struct dptr_struct *dptr);
 218 bool dptr_case_sensitive(struct dptr_struct *dptr);
 219 bool dptr_SearchDir(struct dptr_struct *dptr, const char *name, long *poffset, SMB_STRUCT_STAT *pst);
 220 bool dptr_fill(struct smbd_server_connection *sconn,
 221                char *buf1,unsigned int key);
 222 files_struct *dptr_fetch_fsp(struct smbd_server_connection *sconn,
 223                                char *buf,int *num);
 224 struct smb_Dir;
 225 struct files_struct *dir_hnd_fetch_fsp(struct smb_Dir *dir_hnd);
 226 files_struct *dptr_fetch_lanman2_fsp(struct smbd_server_connection *sconn,
 227                                        int dptr_num);
 228 bool get_dir_entry(TALLOC_CTX *ctx,
 229                 struct dptr_struct *dirptr,
 230                 const char *mask,
 231                 uint32_t dirtype,
 232                 char **pp_fname_out,
 233                 off_t *size,
 234                 uint32_t *mode,
 235                 struct timespec *date,
 236                 bool check_descend,
 237                 bool ask_sharemode);
 238 struct smb_Dir;
 239 bool is_visible_fsp(files_struct *fsp);
 240 NTSTATUS OpenDir(TALLOC_CTX *mem_ctx,
 241                  connection_struct *conn,
 242                  const struct smb_filename *smb_dname,
 243                  const char *mask,
 244                  uint32_t attr,
 245                  struct smb_Dir **_dir_hnd);
 246 const char *ReadDirName(struct smb_Dir *dir_hnd, long *poffset,
 247                         SMB_STRUCT_STAT *sbuf, char **talloced);
 248 void RewindDir(struct smb_Dir *dir_hnd, long *poffset);
 249 void SeekDir(struct smb_Dir *dirp, long offset);
 250 long TellDir(struct smb_Dir *dirp);
 251 NTSTATUS can_delete_directory(struct connection_struct *conn,
 252                                 const char *dirname);
 253 bool have_file_open_below(connection_struct *conn,
 254                         const struct smb_filename *name);
 255
 256 /* The following definitions come from smbd/dmapi.c  */
 257
 258 const void *dmapi_get_current_session(void);
 259 bool dmapi_have_session(void);
 260 bool dmapi_new_session(void);
 261 bool dmapi_destroy_session(void);
 262 uint32_t dmapi_file_flags(const char * const path);
 263
 264 /* The following definitions come from smbd/dnsregister.c  */
 265
 266 bool smbd_setup_mdns_registration(struct tevent_context *ev,
 267                                   TALLOC_CTX *mem_ctx,
 268                                   uint16_t port);
 269
 270 /* The following definitions come from smbd/dosmode.c  */
 271
 272 mode_t unix_mode(connection_struct *conn, int dosmode,
 273                  const struct smb_filename *smb_fname,
 274                  struct files_struct *parent_dirfsp);
 275 uint32_t dos_mode_msdfs(connection_struct *conn,
 276                       const struct smb_filename *smb_fname);
 277 uint32_t fdos_mode(struct files_struct *fsp);
 278 struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx,
 279                                     struct tevent_context *ev,
 280                                     files_struct *dir_fsp,
 281                                     struct smb_filename *smb_fname);
 282 NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode);
 283 int file_set_dosmode(connection_struct *conn,
 284                      struct smb_filename *smb_fname,
 285                      uint32_t dosmode,
 286                      struct smb_filename *parent_dir,
 287                      bool newfile);
 288 NTSTATUS file_set_sparse(connection_struct *conn,
 289                          struct files_struct *fsp,
 290                          bool sparse);
 291 int file_ntimes(connection_struct *conn,
 292                 files_struct *fsp,
 293                 struct smb_file_time *ft);
 294 bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime);
 295 bool set_sticky_write_time_fsp(struct files_struct *fsp,
 296                                struct timespec mtime);
 297
 298 NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp,
 299                               uint32_t *pattr);
 300 NTSTATUS set_ea_dos_attribute(connection_struct *conn,
 301                               const struct smb_filename *smb_fname,
 302                               uint32_t dosmode);
 303
 304 NTSTATUS set_create_timespec_ea(struct files_struct *fsp,
 305                                 struct timespec create_time);
 306
 307 struct timespec get_create_timespec(connection_struct *conn,
 308                                 struct files_struct *fsp,
 309                                 const struct smb_filename *smb_fname);
 310
 311 struct timespec get_change_timespec(connection_struct *conn,
 312                                 struct files_struct *fsp,
 313                                 const struct smb_filename *smb_fname);
 314
 315 NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname,
 316                                   DATA_BLOB blob,
 317                                   uint32_t *pattr);
 318
 319 /* The following definitions come from smbd/error.c  */
 320
 321 bool use_nt_status(void);
 322 void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file);
 323 size_t error_packet(char *outbuf,
 324                     uint8_t eclass,
 325                     uint32_t ecode,
 326                     NTSTATUS ntstatus,
 327                     int line,
 328                     const char *file);
 329 void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus,
 330                     int line, const char *file);
 331 void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 332                     int line, const char *file);
 333 void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode,
 334                       NTSTATUS status, int line, const char *file);
 335 void reply_openerror(struct smb_request *req, NTSTATUS status);
 336
 337 /* The following definitions come from smbd/file_access.c  */
 338
 339 bool can_delete_file_in_directory(connection_struct *conn,
 340                         struct files_struct *dirfsp,
 341                         const struct smb_filename *smb_fname);
 342 bool can_write_to_fsp(struct files_struct *fsp);
 343 bool directory_has_default_acl_fsp(struct files_struct *fsp);
 344 NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode);
 345
 346 /* The following definitions come from smbd/fileio.c  */
 347
 348 ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n);
 349 void fsp_flush_write_time_update(struct files_struct *fsp);
 350 void trigger_write_time_update(struct files_struct *fsp);
 351 void trigger_write_time_update_immediate(struct files_struct *fsp);
 352 void mark_file_modified(files_struct *fsp);
 353 ssize_t write_file(struct smb_request *req,
 354                         files_struct *fsp,
 355                         const char *data,
 356                         off_t pos,
 357                         size_t n);
 358 NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through);
 359
 360 /* The following definitions come from smbd/filename.c  */
 361
 362 uint32_t ucf_flags_from_smb_request(struct smb_request *req);
 363 uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition);
 364 NTSTATUS unix_convert(TALLOC_CTX *ctx,
 365                       connection_struct *conn,
 366                       const char *orig_path,
 367                       NTTIME twrp,
 368                       struct smb_filename **smb_fname,
 369                       uint32_t ucf_flags);
 370 NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname,
 371                                     uint32_t ucf_flags,
 372                                     NTTIME twrp);
 373 NTSTATUS get_real_filename_full_scan(connection_struct *conn,
 374                                      const char *path,
 375                                      const char *name,
 376                                      bool mangled,
 377                                      TALLOC_CTX *mem_ctx,
 378                                      char **found_name);
 379 char *get_original_lcomp(TALLOC_CTX *ctx,
 380                         connection_struct *conn,
 381                         const char *filename_in,
 382                         uint32_t ucf_flags);
 383 NTSTATUS filename_convert(TALLOC_CTX *mem_ctx,
 384                         connection_struct *conn,
 385                         const char *name_in,
 386                         uint32_t ucf_flags,
 387                         NTTIME twrp,
 388                         struct smb_filename **pp_smb_fname);
 389 NTSTATUS filename_convert_smb1_search_path(TALLOC_CTX *ctx,
 390                                            connection_struct *conn,
 391                                            const char *name_in,
 392                                            uint32_t ucf_flags,
 393                                            struct smb_filename **_smb_fname_out,
 394                                            char **_mask_out);
 395
 396 /* The following definitions come from smbd/files.c  */
 397
 398 NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx,
 399                  files_struct **result);
 400 void fsp_set_gen_id(files_struct *fsp);
 401 NTSTATUS file_new(struct smb_request *req, connection_struct *conn,
 402                   files_struct **result);
 403 NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req);
 404 void file_close_conn(connection_struct *conn);
 405 bool file_init_global(void);
 406 bool file_init(struct smbd_server_connection *sconn);
 407 void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid);
 408 struct files_struct *files_forall(
 409         struct smbd_server_connection *sconn,
 410         struct files_struct *(*fn)(struct files_struct *fsp,
 411                                    void *private_data),
 412         void *private_data);
 413 files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd);
 414 files_struct *file_find_dif(struct smbd_server_connection *sconn,
 415                             struct file_id id, unsigned long gen_id);
 416 files_struct *file_find_di_first(struct smbd_server_connection *sconn,
 417                                  struct file_id id,
 418                                  bool need_fsa);
 419 files_struct *file_find_di_next(files_struct *start_fsp,
 420                                  bool need_fsa);
 421 struct files_struct *file_find_one_fsp_from_lease_key(
 422         struct smbd_server_connection *sconn,
 423         const struct smb2_lease_key *lease_key);
 424 bool file_find_subpath(files_struct *dir_fsp);
 425 void fsp_unbind_smb(struct smb_request *req, files_struct *fsp);
 426 void file_free(struct smb_request *req, files_struct *fsp);
 427 files_struct *file_fsp(struct smb_request *req, uint16_t fid);
 428 struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req,
 429                                   uint64_t persistent_id,
 430                                   uint64_t volatile_id);
 431 struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req,
 432                                    uint64_t persistent_id,
 433                                    uint64_t volatile_id);
 434 NTSTATUS dup_file_fsp(
 435         struct smb_request *req,
 436         files_struct *from,
 437         uint32_t access_mask,
 438         uint32_t create_options,
 439         files_struct *to);
 440 NTSTATUS file_name_hash(connection_struct *conn,
 441                         const char *name, uint32_t *p_name_hash);
 442 NTSTATUS fsp_set_smb_fname(struct files_struct *fsp,
 443                            const struct smb_filename *smb_fname_in);
 444 size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen);
 445 void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp);
 446 bool fsp_is_alternate_stream(const struct files_struct *fsp);
 447 struct files_struct *metadata_fsp(struct files_struct *fsp);
 448
 449 NTSTATUS create_internal_fsp(connection_struct *conn,
 450                              const struct smb_filename *smb_fname,
 451                              struct files_struct **_fsp);
 452 NTSTATUS create_internal_dirfsp(connection_struct *conn,
 453                                 const struct smb_filename *smb_dname,
 454                                 struct files_struct **_fsp);
 455
 456 NTSTATUS open_internal_dirfsp(connection_struct *conn,
 457                               const struct smb_filename *smb_dname,
 458                               int open_flags,
 459                               struct files_struct **_fsp);
 460
 461 NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp,
 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 smb_filename * smb_fname,
 751                              uint32_t access_mask,
 752                              uint32_t share_access,
 753                              uint32_t create_disposition,
 754                              uint32_t create_options,
 755                              uint32_t file_attributes,
 756                              uint32_t oplock_request,
 757                              const struct smb2_lease *lease,
 758                              uint64_t allocation_size,
 759                              uint32_t private_flags,
 760                              struct security_descriptor *sd,
 761                              struct ea_list *ea_list,
 762                              files_struct **result,
 763                              int *pinfo,
 764                              const struct smb2_create_blobs *in_context_blobs,
 765                              struct smb2_create_blobs *out_context_blobs);
 766
 767 /* The following definitions come from smbd/oplock.c  */
 768
 769 uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id);
 770
 771 void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp);
 772 NTSTATUS set_file_oplock(files_struct *fsp);
 773 bool remove_oplock(files_struct *fsp);
 774 bool downgrade_oplock(files_struct *fsp);
 775 bool fsp_lease_update(struct files_struct *fsp);
 776 NTSTATUS downgrade_lease(struct smbXsrv_client *client,
 777                         uint32_t num_file_ids,
 778                         const struct file_id *ids,
 779                         const struct smb2_lease_key *key,
 780                         uint32_t lease_state);
 781 void contend_level2_oplocks_begin(files_struct *fsp,
 782                                   enum level2_contention_type type);
 783 void contend_level2_oplocks_end(files_struct *fsp,
 784                                 enum level2_contention_type type);
 785 void smbd_contend_level2_oplocks_begin(files_struct *fsp,
 786                                   enum level2_contention_type type);
 787 void smbd_contend_level2_oplocks_end(files_struct *fsp,
 788                                 enum level2_contention_type type);
 789 void share_mode_entry_to_message(char *msg, const struct file_id *id,
 790                                  const struct share_mode_entry *e);
 791 void message_to_share_mode_entry(struct file_id *id,
 792                                  struct share_mode_entry *e,
 793                                  const char *msg);
 794 bool init_oplocks(struct smbd_server_connection *sconn);
 795 void init_kernel_oplocks(struct smbd_server_connection *sconn);
 796
 797 /* The following definitions come from smbd/oplock_linux.c  */
 798
 799 int linux_set_lease_sighandler(int fd);
 800 int linux_setlease(int fd, int leasetype);
 801 struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn);
 802
 803 /* The following definitions come from smbd/password.c  */
 804
 805 void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid);
 806 int register_homes_share(const char *username);
 807
 808 /* The following definitions come from smbd/pipes.c  */
 809
 810 NTSTATUS open_np_file(struct smb_request *smb_req, const char *name,
 811                       struct files_struct **pfsp);
 812 void reply_pipe_write(struct smb_request *req);
 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/process.c  */
 866
 867 bool srv_send_smb(struct smbXsrv_connection *xconn, char *buffer,
 868                   bool no_signing, uint32_t seqnum,
 869                   bool do_encrypt,
 870                   struct smb_perfcount_data *pcd);
 871 size_t srv_set_message(char *buf,
 872                        size_t num_words,
 873                        size_t num_bytes,
 874                        bool zero);
 875 void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 876                                       uint64_t mid);
 877 bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn,
 878                                         uint64_t mid);
 879 bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid);
 880 bool get_deferred_open_message_state(struct smb_request *smbreq,
 881                                 struct timeval *p_request_time,
 882                                 struct deferred_open_record **open_rec);
 883 bool push_deferred_open_message_smb(struct smb_request *req,
 884                                     struct timeval timeout,
 885                                     struct file_id id,
 886                                     struct deferred_open_record *open_rec);
 887 NTSTATUS allow_new_trans(struct trans_state *list, uint64_t mid);
 888 void reply_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes);
 889 void smb_request_done(struct smb_request *req);
 890 const char *smb_fn_name(int type);
 891 void add_to_common_flags2(uint32_t v);
 892 void remove_from_common_flags2(uint32_t v);
 893 void construct_reply_common_req(struct smb_request *req, char *outbuf);
 894 bool smb1_is_chain(const uint8_t *buf);
 895 bool smb1_walk_chain(const uint8_t *buf,
 896                      bool (*fn)(uint8_t cmd,
 897                                 uint8_t wct, const uint16_t *vwv,
 898                                 uint16_t num_bytes, const uint8_t *bytes,
 899                                 void *private_data),
 900                      void *private_data);
 901 unsigned smb1_chain_length(const uint8_t *buf);
 902 bool smb1_parse_chain(TALLOC_CTX *mem_ctx, const uint8_t *buf,
 903                       struct smbXsrv_connection *xconn,
 904                       bool encrypted, uint32_t seqnum,
 905                       struct smb_request ***reqs, unsigned *num_reqs);
 906 bool req_is_in_chain(const struct smb_request *req);
 907 void smbd_process(struct tevent_context *ev_ctx,
 908                   struct messaging_context *msg_ctx,
 909                   int sock_fd,
 910                   bool interactive);
 911 bool fork_echo_handler(struct smbXsrv_connection *xconn);
 912
 913 /* The following definitions come from smbd/quotas.c  */
 914
 915 bool disk_quotas(connection_struct *conn, struct smb_filename *fname,
 916                  uint64_t *bsize, uint64_t *dfree, uint64_t *dsize);
 917
 918 /* The following definitions come from smbd/smb2_reply.c  */
 919
 920 NTSTATUS check_path_syntax(char *path);
 921 NTSTATUS check_path_syntax_posix(char *path);
 922 size_t srvstr_get_path(TALLOC_CTX *ctx,
 923                         const char *inbuf,
 924                         uint16_t smb_flags2,
 925                         char **pp_dest,
 926                         const char *src,
 927                         size_t src_len,
 928                         int flags,
 929                         NTSTATUS *err);
 930 size_t srvstr_get_path_posix(TALLOC_CTX *ctx,
 931                         const char *inbuf,
 932                         uint16_t smb_flags2,
 933                         char **pp_dest,
 934                         const char *src,
 935                         size_t src_len,
 936                         int flags,
 937                         NTSTATUS *err);
 938 size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req,
 939                            char **pp_dest, const char *src, int flags,
 940                            NTSTATUS *err);
 941 size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req,
 942                               char **dest, const uint8_t *src, int flags);
 943 bool check_fsp_open(connection_struct *conn, struct smb_request *req,
 944                     files_struct *fsp);
 945 bool check_fsp(connection_struct *conn, struct smb_request *req,
 946                files_struct *fsp);
 947 bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req,
 948                               files_struct *fsp);
 949 void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size);
 950 NTSTATUS unlink_internals(connection_struct *conn,
 951                         struct smb_request *req,
 952                         uint32_t dirtype,
 953                         struct smb_filename *smb_fname);
 954 ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp,
 955                       off_t startpos, size_t nread);
 956 ssize_t sendfile_short_send(struct smbXsrv_connection *xconn,
 957                             files_struct *fsp,
 958                             ssize_t nread,
 959                             size_t headersize,
 960                             size_t smb_maxcnt);
 961 NTSTATUS rename_internals_fsp(connection_struct *conn,
 962                         files_struct *fsp,
 963                         struct smb_filename *smb_fname_dst_in,
 964                         const char *dst_original_lcomp,
 965                         uint32_t attrs,
 966                         bool replace_if_exists);
 967 NTSTATUS rename_internals(TALLOC_CTX *ctx,
 968                         connection_struct *conn,
 969                         struct smb_request *req,
 970                         struct smb_filename *smb_fname_src,
 971                         struct smb_filename *smb_fname_dst,
 972                         const char *dst_original_lcomp,
 973                         uint32_t attrs,
 974                         bool replace_if_exists,
 975                         uint32_t access_mask);
 976 NTSTATUS copy_file(TALLOC_CTX *ctx,
 977                         connection_struct *conn,
 978                         struct smb_filename *smb_fname_src,
 979                         struct smb_filename *smb_fname_dst,
 980                         int ofun,
 981                         int count,
 982                         bool target_is_directory);
 983 uint64_t get_lock_offset(const uint8_t *data, int data_offset,
 984                          bool large_file_format);
 985
 986 /* The following definitions come from smbd/seal.c  */
 987
 988 bool is_encrypted_packet(const uint8_t *inbuf);
 989 void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf);
 990 NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf);
 991 NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf,
 992                             char **buf_out);
 993 NTSTATUS srv_request_encryption_setup(connection_struct *conn,
 994                                         unsigned char **ppdata,
 995                                         size_t *p_data_size,
 996                                         unsigned char **pparam,
 997                                         size_t *p_param_size);
 998 NTSTATUS srv_encryption_start(connection_struct *conn);
 999 void server_encryption_shutdown(struct smbXsrv_connection *xconn);
1000
1001 /* The following definitions come from smbd/sec_ctx.c  */
1002
1003 bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2);
1004 bool push_sec_ctx(void);
1005 void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token);
1006 void set_root_sec_ctx(void);
1007 bool pop_sec_ctx(void);
1008 void init_sec_ctx(void);
1009 const struct security_token *sec_ctx_active_token(void);
1010
1011 /* The following definitions come from smbd/server.c  */
1012
1013 struct memcache *smbd_memcache(void);
1014 bool snum_is_shared_printer(int snum);
1015 void delete_and_reload_printers(void);
1016 bool reload_services(struct smbd_server_connection *sconn,
1017                      bool (*snumused) (struct smbd_server_connection *, int),
1018                      bool test);
1019
1020 /* The following definitions come from smbd/server_exit.c  */
1021
1022 void smbd_exit_server(const char *reason) _NORETURN_;
1023 void smbd_exit_server_cleanly(const char *const reason) _NORETURN_;
1024
1025 /* The following definitions come from smbd/smb2_service.c  */
1026
1027 bool set_conn_connectpath(connection_struct *conn, const char *connectpath);
1028 bool canonicalize_connect_path(connection_struct *conn);
1029 NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum);
1030 void set_current_case_sensitive(connection_struct *conn, uint16_t flags);
1031 bool chdir_current_service(connection_struct *conn);
1032 void load_registry_shares(void);
1033 int add_home_service(const char *service, const char *username, const char *homedir);
1034 int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out);
1035 connection_struct *make_connection_smb2(struct smbd_smb2_request *req,
1036                                         struct smbXsrv_tcon *tcon,
1037                                         int snum,
1038                                         const char *pdev,
1039                                         NTSTATUS *pstatus);
1040 NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn,
1041                               connection_struct *conn,
1042                               int snum,
1043                               struct smbXsrv_session *session,
1044                               const char *pdev);
1045 void close_cnum(connection_struct *conn, uint64_t vuid);
1046
1047 /* The following definitions come from smbd/session.c  */
1048 struct sessionid;
1049 struct smbXsrv_session;
1050 bool session_init(void);
1051 bool session_claim(struct smbXsrv_session *session);
1052 void session_yield(struct smbXsrv_session *session);
1053 int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list);
1054 int find_sessions(TALLOC_CTX *mem_ctx, const char *username,
1055                   const char *machine, struct sessionid **session_list);
1056
1057 /* The following definitions come from smbd/share_access.c  */
1058
1059 bool token_contains_name_in_list(const char *username,
1060                                  const char *domain,
1061                                  const char *sharename,
1062                                  const struct security_token *token,
1063                                  const char **list);
1064 bool user_ok_token(const char *username, const char *domain,
1065                    const struct security_token *token, int snum);
1066 bool is_share_read_only_for_token(const char *username,
1067                                   const char *domain,
1068                                   const struct security_token *token,
1069                                   connection_struct *conn);
1070
1071 /* The following definitions come from smbd/srvstr.c  */
1072
1073 NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest,
1074                       const char *src, int dest_len, int flags, size_t *ret_len);
1075 ssize_t message_push_string(uint8_t **outbuf, const char *str, int flags);
1076
1077 /* The following definitions come from smbd/statcache.c  */
1078
1079 void stat_cache_add( const char *full_orig_name,
1080                 const char *translated_path,
1081                 NTTIME twrp,
1082                 bool case_sensitive);
1083 bool stat_cache_lookup(connection_struct *conn,
1084                         char **pp_name,
1085                         char **pp_dirpath,
1086                         char **pp_start,
1087                         NTTIME twrp,
1088                         SMB_STRUCT_STAT *pst);
1089 void smbd_send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1090                                     const char *name);
1091 void send_stat_cache_delete_message(struct messaging_context *msg_ctx,
1092                                     const char *name);
1093 void stat_cache_delete(const char *name);
1094 bool reset_stat_cache( void );
1095
1096 /* The following definitions come from smbd/statvfs.c  */
1097
1098 int sys_statvfs(const char *path, vfs_statvfs_struct *statbuf);
1099
1100 /* The following definitions come from smbd/trans2.c  */
1101
1102 NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp);
1103 NTSTATUS check_access_fsp(struct files_struct *fsp,
1104                           uint32_t access_mask);
1105 uint64_t smb_roundup(connection_struct *conn, uint64_t val);
1106 bool samba_private_attr_name(const char *unix_ea_name);
1107 NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx,
1108                           files_struct *fsp,
1109                           const char *ea_name,
1110                           struct ea_struct *pea);
1111 NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx,
1112                         files_struct *fsp,
1113                         char ***pnames,
1114                         size_t *pnum_names);
1115 NTSTATUS set_ea(connection_struct *conn, files_struct *fsp,
1116                 struct ea_list *ea_list);
1117 void send_trans2_replies(connection_struct *conn,
1118                         struct smb_request *req,
1119                         NTSTATUS status,
1120                          const char *params,
1121                          int paramsize,
1122                          const char *pdata,
1123                          int datasize,
1124                          int max_data_bytes);
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 void reply_findclose(struct smb_request *req);
1138 void reply_findnclose(struct smb_request *req);
1139 void reply_trans2(struct smb_request *req);
1140 void reply_transs2(struct smb_request *req);
1141
1142 enum perm_type {
1143         PERM_NEW_FILE,
1144         PERM_NEW_DIR,
1145         PERM_EXISTING_FILE,
1146         PERM_EXISTING_DIR
1147 };
1148
1149 NTSTATUS unix_perms_from_wire(connection_struct *conn,
1150                               const SMB_STRUCT_STAT *psbuf,
1151                               uint32_t perms,
1152                               enum perm_type ptype,
1153                               mode_t *ret_perms);
1154
1155 /* The following definitions come from smbd/uid.c  */
1156
1157 bool change_to_guest(void);
1158 NTSTATUS check_user_share_access(connection_struct *conn,
1159                                 const struct auth_session_info *session_info,
1160                                 uint32_t *p_share_access,
1161                                 bool *p_readonly_share);
1162 bool change_to_user_and_service(connection_struct *conn, uint64_t vuid);
1163 bool change_to_user_and_service_by_fsp(struct files_struct *fsp);
1164 bool smbd_change_to_root_user(void);
1165 bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info);
1166 bool smbd_unbecome_authenticated_pipe_user(void);
1167 void become_root(void);
1168 void unbecome_root(void);
1169 void smbd_become_root(void);
1170 void smbd_unbecome_root(void);
1171 bool become_user_without_service(connection_struct *conn, uint64_t vuid);
1172 bool become_user_without_service_by_fsp(struct files_struct *fsp);
1173 bool become_user_without_service_by_session(connection_struct *conn,
1174                             const struct auth_session_info *session_info);
1175 bool unbecome_user_without_service(void);
1176 uid_t get_current_uid(connection_struct *conn);
1177 gid_t get_current_gid(connection_struct *conn);
1178 const struct security_unix_token *get_current_utok(connection_struct *conn);
1179 const struct security_token *get_current_nttok(connection_struct *conn);
1180
1181 /* The following definitions come from smbd/utmp.c  */
1182
1183 void sys_utmp_claim(const char *username, const char *hostname,
1184                     const char *id_str, int id_num);
1185 void sys_utmp_yield(const char *username, const char *hostname,
1186                     const char *id_str, int id_num);
1187
1188 /* The following definitions come from smbd/vfs.c  */
1189
1190 bool vfs_init_custom(connection_struct *conn, const char *vfs_object);
1191 bool smbd_vfs_init(connection_struct *conn);
1192 NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname);
1193 bool vfs_valid_pread_range(off_t offset, size_t length);
1194 bool vfs_valid_pwrite_range(off_t offset, size_t length);
1195 ssize_t vfs_pwrite_data(struct smb_request *req,
1196                         files_struct *fsp,
1197                         const char *buffer,
1198                         size_t N,
1199                         off_t offset);
1200 int vfs_allocate_file_space(files_struct *fsp, uint64_t len);
1201 int vfs_set_filelen(files_struct *fsp, off_t len);
1202 int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len);
1203 int vfs_fill_sparse(files_struct *fsp, off_t len);
1204 int vfs_set_blocking(files_struct *fsp, bool set);
1205 off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n);
1206 const char *vfs_readdirname(connection_struct *conn,
1207                             struct files_struct *dirfsp,
1208                             void *p,
1209                             SMB_STRUCT_STAT *sbuf,
1210                             char **talloced);
1211 int vfs_ChDir(connection_struct *conn,
1212                         const struct smb_filename *smb_fname);
1213 struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn);
1214 NTSTATUS check_reduced_name(connection_struct *conn,
1215                         const struct smb_filename *cwd_fname,
1216                         const struct smb_filename *smb_fname);
1217 int vfs_stat(struct connection_struct *conn,
1218              struct smb_filename *smb_fname);
1219 int vfs_stat_smb_basename(struct connection_struct *conn,
1220                         const struct smb_filename *smb_fname_in,
1221                         SMB_STRUCT_STAT *psbuf);
1222 NTSTATUS vfs_stat_fsp(files_struct *fsp);
1223 NTSTATUS vfs_fstreaminfo(struct files_struct *fsp,
1224                         TALLOC_CTX *mem_ctx,
1225                         unsigned int *num_streams,
1226                         struct stream_struct **streams);
1227 void init_smb_file_time(struct smb_file_time *ft);
1228 int vfs_fake_fd(void);
1229 int vfs_fake_fd_close(int fd);
1230
1231 /* The following definitions come from smbd/avahi_register.c */
1232
1233 void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev,
1234                            uint16_t port);
1235
1236 /* The following definitions come from smbd/smb2_create.c */
1237
1238 NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp,
1239                                     TALLOC_CTX *mem_ctx,
1240                                     DATA_BLOB *cookie_blob);
1241 NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp,
1242                                         const DATA_BLOB old_cookie,
1243                                         TALLOC_CTX *mem_ctx,
1244                                         DATA_BLOB *new_cookie);
1245 NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn,
1246                                        struct smb_request *smb1req,
1247                                        struct smbXsrv_open *op,
1248                                        const DATA_BLOB old_cookie,
1249                                        TALLOC_CTX *mem_ctx,
1250                                        files_struct **result,
1251                                        DATA_BLOB *new_cookie);
1252
1253 /* The following definitions come from smbd/smb2_posix.c */
1254 DATA_BLOB smb2_posix_cc_info(TALLOC_CTX *mem_ctx,
1255                                 connection_struct *conn,
1256                                 uint32_t reparse_tag,
1257                                 const SMB_STRUCT_STAT *psbuf);
1258 DATA_BLOB store_smb2_posix_info(TALLOC_CTX *mem_ctx,
1259                                 connection_struct *conn,
1260                                 const SMB_STRUCT_STAT *psbuf,
1261                                 uint32_t reparse_tag,
1262                                 uint32_t dos_attributes);
1263
1264 #endif /* _SMBD_PROTO_H_ */