/* * Unix SMB/CIFS implementation. * Main SMB server routines * * Copyright (C) Andrew Tridgell 1992-2002,2006 * Copyright (C) Jeremy Allison 1992-2010 * Copyright (C) Volker Lendecke 1993-2009 * Copyright (C) John H Terpstra 1995-1998 * Copyright (C) Luke Kenneth Casson Leighton 1996-1998 * Copyright (C) Paul Ashton 1997-1998 * Copyright (C) Tim Potter 1999-2000 * Copyright (C) T.D.Lee@durham.ac.uk 1999 * Copyright (C) Ying Chen 2000 * Copyright (C) Shirish Kalele 2000 * Copyright (C) Andrew Bartlett 2001-2003 * Copyright (C) Alexander Bokovoy 2002,2005 * Copyright (C) Simo Sorce 2001-2002,2009 * Copyright (C) Andreas Gruenbacher 2002 * Copyright (C) Jim McDonough 2002 * Copyright (C) Martin Pool 2002 * Copyright (C) Luke Howard 2003 * Copyright (C) Stefan (metze) Metzmacher 2003,2009 * Copyright (C) Steve French 2005 * Copyright (C) Gerald (Jerry) Carter 2006 * Copyright (C) James Peach 2006-2007 * Copyright (C) Jelmer Vernooij 2002-2003 * Copyright (C) Michael Adam 2007 * Copyright (C) Rishi Srivatsavai 2007 * Copyright (C) Tim Prouty 2009 * Copyright (C) Gregor Beck 2011 * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see . */ #ifndef _SMBD_PROTO_H_ #define _SMBD_PROTO_H_ struct smbXsrv_client; struct smbXsrv_connection; struct dcesrv_context; /* The following definitions come from smbd/smb2_signing.c */ bool srv_init_signing(struct smbXsrv_connection *conn); /* The following definitions come from smbd/aio.c */ struct aio_extra; bool aio_write_through_requested(struct aio_extra *aio_ex); NTSTATUS schedule_smb2_aio_read(connection_struct *conn, struct smb_request *smbreq, files_struct *fsp, TALLOC_CTX *ctx, DATA_BLOB *preadbuf, off_t startpos, size_t smb_maxcnt); NTSTATUS schedule_aio_smb2_write(connection_struct *conn, struct smb_request *smbreq, files_struct *fsp, uint64_t in_offset, DATA_BLOB in_data, bool write_through); bool cancel_smb2_aio(struct smb_request *smbreq); bool aio_add_req_to_fsp(files_struct *fsp, struct tevent_req *req); struct aio_extra *create_aio_extra(TALLOC_CTX *mem_ctx, files_struct *fsp, size_t buflen); struct tevent_req *pwrite_fsync_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct files_struct *fsp, const void *data, size_t n, off_t offset, bool write_through); ssize_t pwrite_fsync_recv(struct tevent_req *req, int *perr); /* The following definitions come from smbd/blocking.c */ NTSTATUS smbd_do_locks_try( struct files_struct *fsp, uint16_t num_locks, struct smbd_lock_element *locks, uint16_t *blocker_idx, struct server_id *blocking_pid, uint64_t *blocking_smblctx); struct tevent_req *smbd_smb1_do_locks_send( TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct smb_request **smbreq, /* talloc_move()d into our state */ struct files_struct *fsp, uint32_t lock_timeout, bool large_offset, uint16_t num_locks, struct smbd_lock_element *locks); NTSTATUS smbd_smb1_do_locks_recv(struct tevent_req *req); bool smbd_smb1_do_locks_extract_smbreq( struct tevent_req *req, TALLOC_CTX *mem_ctx, struct smb_request **psmbreq); void smbd_smb1_brl_finish_by_req(struct tevent_req *req, NTSTATUS status); bool smbd_smb1_brl_finish_by_lock( struct files_struct *fsp, bool large_offset, struct smbd_lock_element lock, NTSTATUS finish_status); bool smbd_smb1_brl_finish_by_mid( struct smbd_server_connection *sconn, uint64_t mid); /* The following definitions come from smbd/close.c */ void set_close_write_time(struct files_struct *fsp, struct timespec ts); NTSTATUS close_file_smb(struct smb_request *req, struct files_struct *fsp, enum file_close_type close_type); NTSTATUS close_file_free(struct smb_request *req, struct files_struct **_fsp, enum file_close_type close_type); void msg_close_file(struct messaging_context *msg_ctx, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); NTSTATUS delete_all_streams(connection_struct *conn, const struct smb_filename *smb_fname); NTSTATUS recursive_rmdir(TALLOC_CTX *ctx, connection_struct *conn, struct smb_filename *smb_dname); bool has_other_nonposix_opens(struct share_mode_lock *lck, struct files_struct *fsp); /* The following definitions come from smbd/conn.c */ int conn_num_open(struct smbd_server_connection *sconn); bool conn_snum_used(struct smbd_server_connection *sconn, int snum); connection_struct *conn_new(struct smbd_server_connection *sconn); bool conn_idle_all(struct smbd_server_connection *sconn, time_t t); void conn_clear_vuid_caches(struct smbd_server_connection *sconn, uint64_t vuid); void conn_free(connection_struct *conn); void conn_setup_case_options(connection_struct *conn); void conn_force_tdis( struct smbd_server_connection *sconn, bool (*check_fn)(struct connection_struct *conn, void *private_data), void *private_data); void msg_force_tdis(struct messaging_context *msg, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); void msg_force_tdis_denied( struct messaging_context *msg, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); /* The following definitions come from smbd/connection.c */ int count_current_connections(const char *sharename, bool verify); bool connections_snum_used(struct smbd_server_connection *unused, int snum); /* The following definitions come from smbd/dfree.c */ uint64_t get_dfree_info(connection_struct *conn, struct smb_filename *fname, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize); void flush_dfree_cache(void); /* The following definitions come from smbd/dmapi.c */ const void *dmapi_get_current_session(void); bool dmapi_have_session(void); bool dmapi_new_session(void); bool dmapi_destroy_session(void); uint32_t dmapi_file_flags(const char * const path); /* The following definitions come from smbd/dnsregister.c */ bool smbd_setup_mdns_registration(struct tevent_context *ev, TALLOC_CTX *mem_ctx, uint16_t port); /* The following definitions come from smbd/dosmode.c */ mode_t unix_mode(connection_struct *conn, int dosmode, const struct smb_filename *smb_fname, struct files_struct *parent_dirfsp); uint32_t dos_mode_msdfs(connection_struct *conn, const char *name, const struct stat_ex *st); uint32_t fdos_mode(struct files_struct *fsp); struct tevent_req *dos_mode_at_send(TALLOC_CTX *mem_ctx, struct tevent_context *ev, files_struct *dir_fsp, struct smb_filename *smb_fname); NTSTATUS dos_mode_at_recv(struct tevent_req *req, uint32_t *dosmode); int file_set_dosmode(connection_struct *conn, struct smb_filename *smb_fname, uint32_t dosmode, struct smb_filename *parent_dir, bool newfile); NTSTATUS file_set_sparse(connection_struct *conn, struct files_struct *fsp, bool sparse); int file_ntimes(connection_struct *conn, files_struct *fsp, struct smb_file_time *ft); bool set_sticky_write_time_path(struct file_id fileid, struct timespec mtime); bool set_sticky_write_time_fsp(struct files_struct *fsp, struct timespec mtime); NTSTATUS fget_ea_dos_attribute(struct files_struct *fsp, uint32_t *pattr); NTSTATUS set_ea_dos_attribute(connection_struct *conn, struct smb_filename *smb_fname, uint32_t dosmode); NTSTATUS set_create_timespec_ea(struct files_struct *fsp, struct timespec create_time); struct timespec get_create_timespec(connection_struct *conn, struct files_struct *fsp, const struct smb_filename *smb_fname); struct timespec get_change_timespec(connection_struct *conn, struct files_struct *fsp, const struct smb_filename *smb_fname); NTSTATUS parse_dos_attribute_blob(struct smb_filename *smb_fname, DATA_BLOB blob, uint32_t *pattr); /* The following definitions come from smbd/error.c */ bool use_nt_status(void); void error_packet_set(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file); size_t error_packet(char *outbuf, uint8_t eclass, uint32_t ecode, NTSTATUS ntstatus, int line, const char *file); void reply_nt_error(struct smb_request *req, NTSTATUS ntstatus, int line, const char *file); void reply_force_dos_error(struct smb_request *req, uint8_t eclass, uint32_t ecode, int line, const char *file); void reply_both_error(struct smb_request *req, uint8_t eclass, uint32_t ecode, NTSTATUS status, int line, const char *file); void reply_openerror(struct smb_request *req, NTSTATUS status); /* The following definitions come from smbd/file_access.c */ bool can_delete_file_in_directory(connection_struct *conn, struct files_struct *dirfsp, const struct smb_filename *smb_fname); bool can_write_to_fsp(struct files_struct *fsp); bool directory_has_default_acl_fsp(struct files_struct *fsp); NTSTATUS can_set_delete_on_close(files_struct *fsp, uint32_t dosmode); /* The following definitions come from smbd/fileio.c */ ssize_t read_file(files_struct *fsp,char *data,off_t pos,size_t n); void fsp_flush_write_time_update(struct files_struct *fsp); void trigger_write_time_update(struct files_struct *fsp); void trigger_write_time_update_immediate(struct files_struct *fsp); void mark_file_modified(files_struct *fsp); ssize_t write_file(struct smb_request *req, files_struct *fsp, const char *data, off_t pos, size_t n); NTSTATUS sync_file(connection_struct *conn, files_struct *fsp, bool write_through); /* The following definitions come from smbd/filename.c */ uint32_t ucf_flags_from_smb_request(struct smb_request *req); uint32_t filename_create_ucf_flags(struct smb_request *req, uint32_t create_disposition); NTSTATUS canonicalize_snapshot_path(struct smb_filename *smb_fname, uint32_t ucf_flags, NTTIME twrp); NTSTATUS get_real_filename_full_scan_at(struct files_struct *dirfsp, const char *name, bool mangled, TALLOC_CTX *mem_ctx, char **found_name); char *get_original_lcomp(TALLOC_CTX *ctx, connection_struct *conn, const char *filename_in, uint32_t ucf_flags); NTSTATUS get_real_filename_at(struct files_struct *dirfsp, const char *name, TALLOC_CTX *mem_ctx, char **found_name); /* The following definitions come from smbd/files.c */ NTSTATUS fsp_new(struct connection_struct *conn, TALLOC_CTX *mem_ctx, files_struct **result); void fsp_set_gen_id(files_struct *fsp); NTSTATUS file_new(struct smb_request *req, connection_struct *conn, files_struct **result); NTSTATUS fsp_bind_smb(struct files_struct *fsp, struct smb_request *req); void file_close_conn(connection_struct *conn, enum file_close_type close_type); bool file_init_global(void); bool file_init(struct smbd_server_connection *sconn); void file_close_user(struct smbd_server_connection *sconn, uint64_t vuid); struct files_struct *files_forall( struct smbd_server_connection *sconn, struct files_struct *(*fn)(struct files_struct *fsp, void *private_data), void *private_data); files_struct *file_find_fd(struct smbd_server_connection *sconn, int fd); files_struct *file_find_dif(struct smbd_server_connection *sconn, struct file_id id, unsigned long gen_id); files_struct *file_find_di_first(struct smbd_server_connection *sconn, struct file_id id, bool need_fsa); files_struct *file_find_di_next(files_struct *start_fsp, bool need_fsa); struct files_struct *file_find_one_fsp_from_lease_key( struct smbd_server_connection *sconn, const struct smb2_lease_key *lease_key); bool file_find_subpath(files_struct *dir_fsp); void fsp_unbind_smb(struct smb_request *req, files_struct *fsp); void file_free(struct smb_request *req, files_struct *fsp); files_struct *file_fsp(struct smb_request *req, uint16_t fid); struct files_struct *file_fsp_get(struct smbd_smb2_request *smb2req, uint64_t persistent_id, uint64_t volatile_id); struct files_struct *file_fsp_smb2(struct smbd_smb2_request *smb2req, uint64_t persistent_id, uint64_t volatile_id); NTSTATUS dup_file_fsp( files_struct *from, uint32_t access_mask, files_struct *to); NTSTATUS file_name_hash(connection_struct *conn, const char *name, uint32_t *p_name_hash); NTSTATUS fsp_set_smb_fname(struct files_struct *fsp, const struct smb_filename *smb_fname_in); size_t fsp_fullbasepath(struct files_struct *fsp, char *buf, size_t buflen); void fsp_set_base_fsp(struct files_struct *fsp, struct files_struct *base_fsp); bool fsp_is_alternate_stream(const struct files_struct *fsp); struct files_struct *metadata_fsp(struct files_struct *fsp); bool fsp_search_ask_sharemode(struct files_struct *fsp); bool fsp_getinfo_ask_sharemode(struct files_struct *fsp); NTSTATUS create_internal_fsp(connection_struct *conn, const struct smb_filename *smb_fname, struct files_struct **_fsp); NTSTATUS create_internal_dirfsp(connection_struct *conn, const struct smb_filename *smb_dname, struct files_struct **_fsp); NTSTATUS open_internal_dirfsp(connection_struct *conn, const struct smb_filename *smb_dname, int open_flags, struct files_struct **_fsp); NTSTATUS openat_internal_dir_from_pathref( struct files_struct *dirfsp, int open_flags, struct files_struct **_fsp); NTSTATUS openat_pathref_fsp(const struct files_struct *dirfsp, struct smb_filename *smb_fname); NTSTATUS open_stream_pathref_fsp( struct files_struct **_base_fsp, struct smb_filename *smb_fname); struct symlink_reparse_struct; struct open_symlink_err { struct stat_ex st; size_t unparsed; struct symlink_reparse_struct *reparse; }; NTSTATUS create_open_symlink_err(TALLOC_CTX *mem_ctx, files_struct *dirfsp, struct smb_filename *smb_relname, struct open_symlink_err **_err); NTSTATUS openat_pathref_fsp_nosymlink(TALLOC_CTX *mem_ctx, struct connection_struct *conn, struct files_struct *dirfsp, const char *path_in, NTTIME twrp, bool posix, struct smb_filename **_smb_fname, struct open_symlink_err **_symlink_err); NTSTATUS openat_pathref_fsp_lcomp(struct files_struct *dirfsp, struct smb_filename *smb_fname_rel, uint32_t ucf_flags); NTSTATUS readlink_talloc( TALLOC_CTX *mem_ctx, struct files_struct *dirfsp, struct smb_filename *smb_relname, char **_substitute); struct symlink_reparse_struct; NTSTATUS read_symlink_reparse( TALLOC_CTX *mem_ctx, struct files_struct *dirfsp, struct smb_filename *smb_relname, struct symlink_reparse_struct **_symlink); void smb_fname_fsp_unlink(struct smb_filename *smb_fname); NTSTATUS move_smb_fname_fsp_link(struct smb_filename *smb_fname_dst, struct smb_filename *smb_fname_src); NTSTATUS reference_smb_fname_fsp_link(struct smb_filename *smb_fname_dst, const struct smb_filename *smb_fname_src); NTSTATUS synthetic_pathref(TALLOC_CTX *mem_ctx, struct files_struct *dirfsp, const char *base_name, const char *stream_name, const SMB_STRUCT_STAT *psbuf, NTTIME twrp, uint32_t flags, struct smb_filename **_smb_fname); NTSTATUS parent_pathref(TALLOC_CTX *mem_ctx, struct files_struct *dirfsp, const struct smb_filename *smb_fname, struct smb_filename **_parent, struct smb_filename **_atname); /* The following definitions come from smbd/smb2_ipc.c */ NTSTATUS nt_status_np_pipe(NTSTATUS status); /* The following definitions come from smbd/mangle.c */ void mangle_reset_cache(void); void mangle_change_to_posix(void); bool mangle_is_mangled(const char *s, const struct share_params *p); bool mangle_is_8_3(const char *fname, bool check_case, const struct share_params *p); bool mangle_is_8_3_wildcards(const char *fname, bool check_case, const struct share_params *p); bool mangle_must_mangle(const char *fname, const struct share_params *p); bool mangle_lookup_name_from_8_3(TALLOC_CTX *ctx, const char *in, char **out, /* talloced on the given context. */ const struct share_params *p); bool name_to_8_3(const char *in, char out[13], bool cache83, const struct share_params *p); /* The following definitions come from smbd/mangle_hash.c */ const struct mangle_fns *mangle_hash_init(void); /* The following definitions come from smbd/mangle_hash2.c */ const struct mangle_fns *mangle_hash2_init(void); const struct mangle_fns *posix_mangle_init(void); /* The following definitions come from smbd/msdfs.c */ bool parse_msdfs_symlink(TALLOC_CTX *ctx, bool shuffle_referrals, const char *target, struct referral **preflist, size_t *refcount); bool is_msdfs_link(struct files_struct *dirfsp, struct smb_filename *smb_fname); struct junction_map; NTSTATUS get_referred_path(TALLOC_CTX *ctx, struct auth_session_info *session_info, const char *dfs_path, const struct tsocket_address *remote_address, const struct tsocket_address *local_address, struct junction_map *jucn, size_t *consumedcntp, bool *self_referralp); int setup_dfs_referral(connection_struct *orig_conn, const char *dfs_path, int max_referral_level, char **ppdata, NTSTATUS *pstatus); bool create_junction(TALLOC_CTX *ctx, const char *dfs_path, struct junction_map *jucn); struct referral; char *msdfs_link_string(TALLOC_CTX *ctx, const struct referral *reflist, size_t referral_count); bool create_msdfs_link(const struct junction_map *jucn, struct auth_session_info *session_info); bool remove_msdfs_link(const struct junction_map *jucn, struct auth_session_info *session_info); struct junction_map *enum_msdfs_links(TALLOC_CTX *ctx, struct auth_session_info *session_info, size_t *p_num_jn); struct connection_struct; struct smb_filename; NTSTATUS create_conn_struct_cwd(TALLOC_CTX *mem_ctx, struct tevent_context *ev, struct messaging_context *msg, const struct auth_session_info *session_info, int snum, const char *path, struct connection_struct **c); struct conn_struct_tos { struct connection_struct *conn; struct smb_filename *oldcwd_fname; }; NTSTATUS create_conn_struct_tos(struct messaging_context *msg, int snum, const char *path, const struct auth_session_info *session_info, struct conn_struct_tos **_c); NTSTATUS create_conn_struct_tos_cwd(struct messaging_context *msg, int snum, const char *path, const struct auth_session_info *session_info, struct conn_struct_tos **_c); /* The following definitions come from smbd/notify.c */ bool change_notify_fsp_has_changes(struct files_struct *fsp); void change_notify_reply(struct smb_request *req, NTSTATUS error_code, uint32_t max_param, struct notify_change_buf *notify_buf, void (*reply_fn)(struct smb_request *req, NTSTATUS error_code, uint8_t *buf, size_t len)); void notify_callback(struct smbd_server_connection *sconn, void *private_data, struct timespec when, const struct notify_event *e); NTSTATUS change_notify_create(struct files_struct *fsp, uint32_t max_buffer_size, uint32_t filter, bool recursive); NTSTATUS change_notify_add_request(struct smb_request *req, uint32_t max_param, uint32_t filter, bool recursive, struct files_struct *fsp, void (*reply_fn)(struct smb_request *req, NTSTATUS error_code, uint8_t *buf, size_t len)); void smbd_notify_cancel_deleted(struct messaging_context *msg, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); void smbd_notifyd_restarted(struct messaging_context *msg, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); bool remove_pending_change_notify_requests_by_mid( struct smbd_server_connection *sconn, uint64_t mid); void remove_pending_change_notify_requests_by_fid(files_struct *fsp, NTSTATUS status); void notify_fname(connection_struct *conn, uint32_t action, uint32_t filter, const char *path); char *notify_filter_string(TALLOC_CTX *mem_ctx, uint32_t filter); struct sys_notify_context *sys_notify_context_create(TALLOC_CTX *mem_ctx, struct tevent_context *ev); /* The following definitions come from smbd/notify_inotify.c */ int inotify_watch(TALLOC_CTX *mem_ctx, struct sys_notify_context *ctx, const char *path, uint32_t *filter, uint32_t *subdir_filter, void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev, uint32_t filter), void *private_data, void *handle_p); int fam_watch(TALLOC_CTX *mem_ctx, struct sys_notify_context *ctx, const char *path, uint32_t *filter, uint32_t *subdir_filter, void (*callback)(struct sys_notify_context *ctx, void *private_data, struct notify_event *ev, uint32_t filter), void *private_data, void *handle_p); /* The following definitions come from smbd/notify_internal.c */ struct notify_context *notify_init( TALLOC_CTX *mem_ctx, struct messaging_context *msg, struct smbd_server_connection *sconn, void (*callback)(struct smbd_server_connection *sconn, void *, struct timespec, const struct notify_event *)); NTSTATUS notify_add(struct notify_context *ctx, const char *path, uint32_t filter, uint32_t subdir_filter, void *private_data); NTSTATUS notify_remove(struct notify_context *ctx, void *private_data, char *path); void notify_trigger(struct notify_context *notify, uint32_t action, uint32_t filter, const char *dir, const char *path); /* The following definitions come from smbd/ntquotas.c */ NTSTATUS vfs_get_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt); int vfs_set_ntquota(files_struct *fsp, enum SMB_QUOTA_TYPE qtype, struct dom_sid *psid, SMB_NTQUOTA_STRUCT *qt); int vfs_get_user_ntquota_list(files_struct *fsp, SMB_NTQUOTA_LIST **qt_list); void *init_quota_handle(TALLOC_CTX *mem_ctx); /* The following definitions come from smbd/smb2_nttrans.c */ NTSTATUS set_sd(files_struct *fsp, struct security_descriptor *psd, uint32_t security_info_sent); NTSTATUS set_sd_blob(files_struct *fsp, uint8_t *data, uint32_t sd_len, uint32_t security_info_sent); NTSTATUS copy_internals(TALLOC_CTX *ctx, connection_struct *conn, struct smb_request *req, struct files_struct *src_dirfsp, struct smb_filename *smb_fname_src, struct files_struct *dst_dirfsp, struct smb_filename *smb_fname_dst, uint32_t attrs); NTSTATUS smbd_do_query_security_desc(connection_struct *conn, TALLOC_CTX *mem_ctx, files_struct *fsp, uint32_t security_info_wanted, uint32_t max_data_count, uint8_t **ppmarshalled_sd, size_t *psd_size); #ifdef HAVE_SYS_QUOTAS struct smb2_query_quota_info; NTSTATUS smbd_do_query_getinfo_quota(TALLOC_CTX *mem_ctx, files_struct *fsp, bool restart_scan, bool return_single, uint32_t sid_list_length, DATA_BLOB *sidbuffer, uint32_t max_data_count, uint8_t **p_data, uint32_t *p_data_size); #endif /* The following definitions come from smbd/open.c */ NTSTATUS smbd_check_access_rights_fsp(struct files_struct *dirfsp, struct files_struct *fsp, bool use_privs, uint32_t access_mask); NTSTATUS check_parent_access_fsp(struct files_struct *fsp, uint32_t access_mask); NTSTATUS fd_openat(const struct files_struct *dirfsp, struct smb_filename *smb_fname, files_struct *fsp, const struct vfs_open_how *how); NTSTATUS fd_close(files_struct *fsp); bool is_oplock_stat_open(uint32_t access_mask); bool is_lease_stat_open(uint32_t access_mask); NTSTATUS send_break_message(struct messaging_context *msg_ctx, const struct file_id *id, const struct share_mode_entry *exclusive, uint16_t break_to); struct deferred_open_record; bool is_deferred_open_async(const struct deferred_open_record *rec); bool defer_smb1_sharing_violation(struct smb_request *req); NTSTATUS create_directory(connection_struct *conn, struct smb_request *req, struct files_struct *dirfsp, struct smb_filename *smb_dname); void msg_file_was_renamed(struct messaging_context *msg, void *private_data, uint32_t msg_type, struct server_id server_id, DATA_BLOB *data); struct fsp_lease *find_fsp_lease(struct files_struct *new_fsp, const struct smb2_lease_key *key, uint32_t current_state, uint16_t lease_version, uint16_t lease_epoch); NTSTATUS create_file_default(connection_struct *conn, struct smb_request *req, struct files_struct *dirfsp, struct smb_filename * smb_fname, uint32_t access_mask, uint32_t share_access, uint32_t create_disposition, uint32_t create_options, uint32_t file_attributes, uint32_t oplock_request, const struct smb2_lease *lease, uint64_t allocation_size, uint32_t private_flags, struct security_descriptor *sd, struct ea_list *ea_list, files_struct **result, int *pinfo, const struct smb2_create_blobs *in_context_blobs, struct smb2_create_blobs *out_context_blobs); /* The following definitions come from smbd/oplock.c */ uint32_t get_lease_type(struct share_mode_entry *e, struct file_id id); void break_kernel_oplock(struct messaging_context *msg_ctx, files_struct *fsp); NTSTATUS set_file_oplock(files_struct *fsp); void release_file_oplock(files_struct *fsp); bool remove_oplock(files_struct *fsp); bool downgrade_oplock(files_struct *fsp); bool fsp_lease_update(struct files_struct *fsp); NTSTATUS downgrade_lease(struct smbXsrv_client *client, uint32_t num_file_ids, const struct file_id *ids, const struct smb2_lease_key *key, uint32_t lease_state); void contend_level2_oplocks_begin(files_struct *fsp, enum level2_contention_type type); void contend_level2_oplocks_end(files_struct *fsp, enum level2_contention_type type); void smbd_contend_level2_oplocks_begin(files_struct *fsp, enum level2_contention_type type); void smbd_contend_level2_oplocks_end(files_struct *fsp, enum level2_contention_type type); void share_mode_entry_to_message(char *msg, const struct file_id *id, const struct share_mode_entry *e); void message_to_share_mode_entry(struct file_id *id, struct share_mode_entry *e, const char *msg); bool init_oplocks(struct smbd_server_connection *sconn); void init_kernel_oplocks(struct smbd_server_connection *sconn); /* The following definitions come from smbd/oplock_linux.c */ int linux_set_lease_sighandler(int fd); int linux_setlease(int fd, int leasetype); struct kernel_oplocks *linux_init_kernel_oplocks(struct smbd_server_connection *sconn); /* The following definitions come from smbd/password.c */ void invalidate_vuid(struct smbd_server_connection *sconn, uint64_t vuid); int register_homes_share(const char *username); /* The following definitions come from smbd/pipes.c */ NTSTATUS open_np_file(struct smb_request *smb_req, const char *name, struct files_struct **pfsp); /* The following definitions come from smbd/posix_acls.c */ mode_t unix_perms_to_acl_perms(mode_t mode, int r_mask, int w_mask, int x_mask); int map_acl_perms_to_permset(mode_t mode, SMB_ACL_PERMSET_T *p_permset); uint32_t map_canon_ace_perms(int snum, enum security_ace_type *pacl_type, mode_t perms, bool directory_ace); bool current_user_in_group(connection_struct *conn, gid_t gid); SMB_ACL_T free_empty_sys_acl(connection_struct *conn, SMB_ACL_T the_acl); NTSTATUS posix_fget_nt_acl(struct files_struct *fsp, uint32_t security_info, TALLOC_CTX *mem_ctx, struct security_descriptor **ppdesc); NTSTATUS chown_if_needed(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd, bool *did_chown); NTSTATUS set_nt_acl(files_struct *fsp, uint32_t security_info_sent, const struct security_descriptor *psd); int get_acl_group_bits(connection_struct *conn, struct files_struct *fsp, mode_t *mode); int inherit_access_posix_acl(connection_struct *conn, struct files_struct *inherit_from_dirfsp, const struct smb_filename *smb_fname, mode_t mode); NTSTATUS set_unix_posix_default_acl(connection_struct *conn, files_struct *fsp, uint16_t num_def_acls, const char *pdata); NTSTATUS set_unix_posix_acl(connection_struct *conn, files_struct *fsp, uint16_t num_acls, const char *pdata); int posix_sys_acl_blob_get_file(vfs_handle_struct *handle, const struct smb_filename *smb_fname, TALLOC_CTX *mem_ctx, char **blob_description, DATA_BLOB *blob); int posix_sys_acl_blob_get_fd(vfs_handle_struct *handle, files_struct *fsp, TALLOC_CTX *mem_ctx, char **blob_description, DATA_BLOB *blob); enum default_acl_style {DEFAULT_ACL_POSIX, DEFAULT_ACL_WINDOWS, DEFAULT_ACL_EVERYONE}; const struct enum_list *get_default_acl_style_list(void); NTSTATUS make_default_filesystem_acl( TALLOC_CTX *ctx, enum default_acl_style acl_style, const char *name, const SMB_STRUCT_STAT *psbuf, struct security_descriptor **ppdesc); /* The following definitions come from smbd/smb2_process.c */ #if !defined(WITH_SMB1SERVER) bool smb1_srv_send(struct smbXsrv_connection *xconn, char *buffer, bool do_signing, uint32_t seqnum, bool do_encrypt); #endif size_t srv_smb1_set_message(char *buf, size_t num_words, size_t num_bytes, bool zero); NTSTATUS read_packet_remainder(int fd, char *buffer, unsigned int timeout, ssize_t len); NTSTATUS receive_smb_talloc(TALLOC_CTX *mem_ctx, struct smbXsrv_connection *xconn, int sock, char **buffer, unsigned int timeout, size_t *p_unread, bool *p_encrypted, size_t *p_len, uint32_t *seqnum, bool trusted_channel); void remove_deferred_open_message_smb(struct smbXsrv_connection *xconn, uint64_t mid); bool schedule_deferred_open_message_smb(struct smbXsrv_connection *xconn, uint64_t mid); bool open_was_deferred(struct smbXsrv_connection *xconn, uint64_t mid); bool get_deferred_open_message_state(struct smb_request *smbreq, struct timeval *p_request_time, struct deferred_open_record **open_rec); bool push_deferred_open_message_smb(struct smb_request *req, struct timeval timeout, struct file_id id, struct deferred_open_record *open_rec); bool create_smb1_outbuf(TALLOC_CTX *mem_ctx, struct smb_request *req, const uint8_t *inbuf, char **outbuf, uint8_t num_words, uint32_t num_bytes); void construct_smb1_reply_common_req(struct smb_request *req, char *outbuf); void reply_smb1_outbuf(struct smb_request *req, uint8_t num_words, uint32_t num_bytes); void process_smb(struct smbXsrv_connection *xconn, uint8_t *inbuf, size_t nread, size_t unread_bytes, uint32_t seqnum, bool encrypted); void smbd_process(struct tevent_context *ev_ctx, struct messaging_context *msg_ctx, int sock_fd, bool interactive); bool valid_smb1_header(const uint8_t *inbuf); bool init_smb1_request(struct smb_request *req, struct smbd_server_connection *sconn, struct smbXsrv_connection *xconn, const uint8_t *inbuf, size_t unread_bytes, bool encrypted, uint32_t seqnum); /* The following definitions come from smbd/quotas.c */ bool disk_quotas(connection_struct *conn, struct smb_filename *fname, uint64_t *bsize, uint64_t *dfree, uint64_t *dsize); /* The following definitions come from smbd/smb2_reply.c */ NTSTATUS check_path_syntax(char *path, bool posix); NTSTATUS smb1_strip_dfs_path(TALLOC_CTX *mem_ctx, uint32_t *ucf_flags, char **in_path); NTSTATUS smb2_strip_dfs_path(const char *in_path, const char **out_path); size_t srvstr_get_path(TALLOC_CTX *ctx, const char *inbuf, uint16_t smb_flags2, char **pp_dest, const char *src, size_t src_len, int flags, NTSTATUS *err); size_t srvstr_get_path_posix(TALLOC_CTX *ctx, const char *inbuf, uint16_t smb_flags2, char **pp_dest, const char *src, size_t src_len, int flags, NTSTATUS *err); size_t srvstr_get_path_req(TALLOC_CTX *mem_ctx, struct smb_request *req, char **pp_dest, const char *src, int flags, NTSTATUS *err); size_t srvstr_pull_req_talloc(TALLOC_CTX *ctx, struct smb_request *req, char **dest, const uint8_t *src, int flags); bool check_fsp_open(connection_struct *conn, struct smb_request *req, files_struct *fsp); bool check_fsp(connection_struct *conn, struct smb_request *req, files_struct *fsp); bool check_fsp_ntquota_handle(connection_struct *conn, struct smb_request *req, files_struct *fsp); void reply_special(struct smbXsrv_connection *xconn, char *inbuf, size_t inbuf_size); NTSTATUS unlink_internals(connection_struct *conn, struct smb_request *req, uint32_t dirtype, struct files_struct *dirfsp, struct smb_filename *smb_fname); ssize_t fake_sendfile(struct smbXsrv_connection *xconn, files_struct *fsp, off_t startpos, size_t nread); ssize_t sendfile_short_send(struct smbXsrv_connection *xconn, files_struct *fsp, ssize_t nread, size_t headersize, size_t smb_maxcnt); NTSTATUS rename_internals_fsp(connection_struct *conn, files_struct *fsp, struct smb_filename *smb_fname_dst_in, const char *dst_original_lcomp, uint32_t attrs, bool replace_if_exists); NTSTATUS rename_internals(TALLOC_CTX *ctx, connection_struct *conn, struct smb_request *req, struct files_struct *src_dirfsp, struct smb_filename *smb_fname_src, struct smb_filename *smb_fname_dst, const char *dst_original_lcomp, uint32_t attrs, bool replace_if_exists, uint32_t access_mask); NTSTATUS copy_file(TALLOC_CTX *ctx, connection_struct *conn, struct smb_filename *smb_fname_src, struct smb_filename *smb_fname_dst, uint32_t new_create_disposition); uint64_t get_lock_offset(const uint8_t *data, int data_offset, bool large_file_format); /* The following definitions come from smbd/seal.c */ bool is_encrypted_packet(const uint8_t *inbuf); void srv_free_enc_buffer(struct smbXsrv_connection *xconn, char *buf); NTSTATUS srv_decrypt_buffer(struct smbXsrv_connection *xconn, char *buf); NTSTATUS srv_encrypt_buffer(struct smbXsrv_connection *xconn, char *buf, char **buf_out); NTSTATUS srv_request_encryption_setup(connection_struct *conn, unsigned char **ppdata, size_t *p_data_size, unsigned char **pparam, size_t *p_param_size); NTSTATUS srv_encryption_start(connection_struct *conn); void server_encryption_shutdown(struct smbXsrv_connection *xconn); /* The following definitions come from smbd/sec_ctx.c */ bool unix_token_equal(const struct security_unix_token *t1, const struct security_unix_token *t2); bool push_sec_ctx(void); void set_sec_ctx(uid_t uid, gid_t gid, int ngroups, gid_t *groups, const struct security_token *token); void set_root_sec_ctx(void); bool pop_sec_ctx(void); void init_sec_ctx(void); const struct security_token *sec_ctx_active_token(void); /* The following definitions come from smbd/server.c */ struct memcache *smbd_memcache(void); bool snum_is_shared_printer(int snum); void delete_and_reload_printers(void); bool reload_services(struct smbd_server_connection *sconn, bool (*snumused) (struct smbd_server_connection *, int), bool test); /* The following definitions come from smbd/server_exit.c */ void smbd_exit_server(const char *reason) _NORETURN_; void smbd_exit_server_cleanly(const char *const reason) _NORETURN_; /* The following definitions come from smbd/smb2_service.c */ bool set_conn_connectpath(connection_struct *conn, const char *connectpath); bool canonicalize_connect_path(connection_struct *conn); NTSTATUS set_conn_force_user_group(connection_struct *conn, int snum); bool chdir_current_service(connection_struct *conn); void load_registry_shares(void); int add_home_service(const char *service, const char *username, const char *homedir); int find_service(TALLOC_CTX *ctx, const char *service, char **p_service_out); connection_struct *make_connection_smb2(struct smbd_smb2_request *req, struct smbXsrv_tcon *tcon, int snum, const char *pdev, NTSTATUS *pstatus); NTSTATUS make_connection_snum(struct smbXsrv_connection *xconn, connection_struct *conn, int snum, struct smbXsrv_session *session, const char *pdev); void close_cnum(connection_struct *conn, uint64_t vuid, enum file_close_type close_type); /* The following definitions come from smbd/session.c */ struct sessionid; struct smbXsrv_session; bool session_init(void); bool session_claim(struct smbXsrv_session *session); void session_yield(struct smbXsrv_session *session); int list_sessions(TALLOC_CTX *mem_ctx, struct sessionid **session_list); int find_sessions(TALLOC_CTX *mem_ctx, const char *username, const char *machine, struct sessionid **session_list); /* The following definitions come from smbd/share_access.c */ bool token_contains_name_in_list(const char *username, const char *domain, const char *sharename, const struct security_token *token, const char **list); bool user_ok_token(const char *username, const char *domain, const struct security_token *token, int snum); bool is_share_read_only_for_token(const char *username, const char *domain, const struct security_token *token, connection_struct *conn); /* The following definitions come from smbd/srvstr.c */ NTSTATUS srvstr_push_fn(const char *base_ptr, uint16_t smb_flags2, void *dest, const char *src, int dest_len, int flags, size_t *ret_len); /* The following definitions come from smbd/statvfs.c */ int sys_statvfs(const char *path, struct vfs_statvfs_struct *statbuf); /* The following definitions come from smbd/trans2.c */ char *store_file_unix_basic(connection_struct *conn, char *pdata, files_struct *fsp, const SMB_STRUCT_STAT *psbuf); char *store_file_unix_basic_info2(connection_struct *conn, char *pdata, files_struct *fsp, const SMB_STRUCT_STAT *psbuf); NTSTATUS smb_set_file_disposition_info(connection_struct *conn, const char *pdata, int total_data, files_struct *fsp, struct smb_filename *smb_fname); NTSTATUS refuse_symlink_fsp(const struct files_struct *fsp); NTSTATUS check_any_access_fsp(struct files_struct *fsp, uint32_t access_requested); uint64_t smb_roundup(connection_struct *conn, uint64_t val); bool samba_private_attr_name(const char *unix_ea_name); NTSTATUS get_ea_value_fsp(TALLOC_CTX *mem_ctx, files_struct *fsp, const char *ea_name, struct ea_struct *pea); NTSTATUS get_ea_names_from_fsp(TALLOC_CTX *mem_ctx, files_struct *fsp, char ***pnames, size_t *pnum_names); NTSTATUS set_ea(connection_struct *conn, files_struct *fsp, struct ea_list *ea_list); unsigned char *create_volume_objectid(connection_struct *conn, unsigned char objid[16]); NTSTATUS hardlink_internals(TALLOC_CTX *ctx, connection_struct *conn, struct smb_request *req, bool overwrite_if_exists, const struct smb_filename *smb_fname_old, struct smb_filename *smb_fname_new); NTSTATUS smb_set_file_time(connection_struct *conn, files_struct *fsp, struct smb_filename *smb_fname, struct smb_file_time *ft, bool setting_write_time); NTSTATUS smb_set_file_size(connection_struct *conn, struct smb_request *req, files_struct *fsp, struct smb_filename *smb_fname, const SMB_STRUCT_STAT *psbuf, off_t size, bool fail_after_createfile); bool map_info2_flags_to_sbuf(const SMB_STRUCT_STAT *psbuf, const uint32_t smb_fflags, const uint32_t smb_fmask, int *stat_fflags); enum perm_type { PERM_NEW_FILE, PERM_NEW_DIR, PERM_EXISTING_FILE, PERM_EXISTING_DIR }; NTSTATUS unix_perms_from_wire(connection_struct *conn, const SMB_STRUCT_STAT *psbuf, uint32_t perms, enum perm_type ptype, mode_t *ret_perms); struct ea_list *read_ea_list(TALLOC_CTX *ctx, const char *pdata, size_t data_size); unsigned int estimate_ea_size(files_struct *fsp); NTSTATUS smb_set_fsquota(connection_struct *conn, struct smb_request *req, files_struct *fsp, const DATA_BLOB *qdata); /* The following definitions come from smbd/uid.c */ bool change_to_guest(void); NTSTATUS check_user_share_access(connection_struct *conn, const struct auth_session_info *session_info, uint32_t *p_share_access, bool *p_readonly_share); bool change_to_user_and_service(connection_struct *conn, uint64_t vuid); bool change_to_user_and_service_by_fsp(struct files_struct *fsp); bool smbd_change_to_root_user(void); bool smbd_become_authenticated_pipe_user(struct auth_session_info *session_info); bool smbd_unbecome_authenticated_pipe_user(void); void become_root(void); void unbecome_root(void); void smbd_become_root(void); void smbd_unbecome_root(void); bool become_user_without_service(connection_struct *conn, uint64_t vuid); bool become_user_without_service_by_fsp(struct files_struct *fsp); bool become_user_without_service_by_session(connection_struct *conn, const struct auth_session_info *session_info); bool unbecome_user_without_service(void); uid_t get_current_uid(connection_struct *conn); gid_t get_current_gid(connection_struct *conn); const struct security_unix_token *get_current_utok(connection_struct *conn); const struct security_token *get_current_nttok(connection_struct *conn); /* The following definitions come from smbd/utmp.c */ void sys_utmp_claim(const char *username, const char *hostname, const char *id_str, int id_num); void sys_utmp_yield(const char *username, const char *hostname, const char *id_str, int id_num); /* The following definitions come from smbd/vfs.c */ bool vfs_init_custom(connection_struct *conn, const char *vfs_object); bool smbd_vfs_init(connection_struct *conn); NTSTATUS vfs_file_exist(connection_struct *conn, struct smb_filename *smb_fname); bool vfs_valid_pread_range(off_t offset, size_t length); bool vfs_valid_pwrite_range(off_t offset, size_t length); ssize_t vfs_pwrite_data(struct smb_request *req, files_struct *fsp, const char *buffer, size_t N, off_t offset); int vfs_allocate_file_space(files_struct *fsp, uint64_t len); int vfs_set_filelen(files_struct *fsp, off_t len); int vfs_slow_fallocate(files_struct *fsp, off_t offset, off_t len); int vfs_fill_sparse(files_struct *fsp, off_t len); int vfs_set_blocking(files_struct *fsp, bool set); off_t vfs_transfer_file(files_struct *in, files_struct *out, off_t n); const char *vfs_readdirname(connection_struct *conn, struct files_struct *dirfsp, DIR *d, char **talloced); int vfs_ChDir(connection_struct *conn, const struct smb_filename *smb_fname); struct smb_filename *vfs_GetWd(TALLOC_CTX *ctx, connection_struct *conn); int vfs_stat(struct connection_struct *conn, struct smb_filename *smb_fname); int vfs_stat_smb_basename(struct connection_struct *conn, const struct smb_filename *smb_fname_in, SMB_STRUCT_STAT *psbuf); NTSTATUS vfs_stat_fsp(files_struct *fsp); NTSTATUS vfs_fstreaminfo(struct files_struct *fsp, TALLOC_CTX *mem_ctx, unsigned int *num_streams, struct stream_struct **streams); void init_smb_file_time(struct smb_file_time *ft); int vfs_fake_fd(void); int vfs_fake_fd_close(int fd); /* The following definitions come from smbd/avahi_register.c */ void *avahi_start_register(TALLOC_CTX *mem_ctx, struct tevent_context *ev, uint16_t port); /* The following definitions come from smbd/smb2_create.c */ NTSTATUS vfs_default_durable_cookie(struct files_struct *fsp, TALLOC_CTX *mem_ctx, DATA_BLOB *cookie_blob); NTSTATUS vfs_default_durable_disconnect(struct files_struct *fsp, const DATA_BLOB old_cookie, TALLOC_CTX *mem_ctx, DATA_BLOB *new_cookie); NTSTATUS vfs_default_durable_reconnect(struct connection_struct *conn, struct smb_request *smb1req, struct smbXsrv_open *op, const DATA_BLOB old_cookie, TALLOC_CTX *mem_ctx, files_struct **result, DATA_BLOB *new_cookie); struct smb3_file_posix_information; void smb3_file_posix_information_init( connection_struct *conn, const struct stat_ex *st, uint32_t reparse_tag, uint32_t dos_attributes, struct smb3_file_posix_information *dst); #endif /* _SMBD_PROTO_H_ */