/* Unix SMB/CIFS implementation. SMB parameters and setup, plus a whole lot more. Copyright (C) Andrew Tridgell 1992-2000 Copyright (C) John H Terpstra 1996-2002 Copyright (C) Luke Kenneth Casson Leighton 1996-2000 Copyright (C) Paul Ashton 1998-2000 Copyright (C) Simo Sorce 2001-2002 Copyright (C) Martin Pool 2002 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 _SMB_H #define _SMB_H #include "libcli/smb/smb_common.h" #include "libds/common/roles.h" /* logged when starting the various Samba daemons */ #define COPYRIGHT_STARTUP_MESSAGE "Copyright Andrew Tridgell and the Samba Team 1992-2011" #if defined(LARGE_SMB_OFF_T) #define BUFFER_SIZE (128*1024) #else /* no large readwrite possible */ #define BUFFER_SIZE (0xFFFF) #endif #define SAFETY_MARGIN 1024 #define LARGE_WRITEX_HDR_SIZE 65 #define NMB_PORT 137 #define DGRAM_PORT 138 #define SMB_PORT1 445 #define SMB_PORT2 139 #define SMB_PORTS "445 139" #define Undefined (-1) #define False false #define True true #define Auto (2) #define Required (3) #define SIZEOFWORD 2 #ifndef DEF_CREATE_MASK #define DEF_CREATE_MASK (0755) #endif /* string manipulation flags - see clistr.c and srvstr.c */ #define STR_TERMINATE 1 #define STR_UPPER 2 #define STR_ASCII 4 #define STR_UNICODE 8 #define STR_NOALIGN 16 #define STR_TERMINATE_ASCII 128 /* how long to wait for secondary SMB packets (milli-seconds) */ #define SMB_SECONDARY_WAIT (60*1000) #define DIR_STRUCT_SIZE 43 /* deny modes */ #define DENY_DOS 0 #define DENY_ALL 1 #define DENY_WRITE 2 #define DENY_READ 3 #define DENY_NONE 4 #define DENY_FCB 7 /* open modes */ #define DOS_OPEN_RDONLY 0 #define DOS_OPEN_WRONLY 1 #define DOS_OPEN_RDWR 2 #define DOS_OPEN_EXEC 3 #define DOS_OPEN_FCB 0xF /* define shifts and masks for share and open modes. */ #define OPENX_MODE_MASK 0xF #define DENY_MODE_SHIFT 4 #define DENY_MODE_MASK 0x7 #define GET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK) #define SET_OPENX_MODE(x) ((x) & OPENX_MODE_MASK) #define GET_DENY_MODE(x) (((x)>>DENY_MODE_SHIFT) & DENY_MODE_MASK) #define SET_DENY_MODE(x) (((x) & DENY_MODE_MASK) <user_sids[0] = primary user SID. * token->user_sids[1] = primary group SID. * token->user_sids[2..num_sids] = supplementary group SIDS. */ #define PRIMARY_USER_SID_INDEX 0 #define PRIMARY_GROUP_SID_INDEX 1 typedef struct write_cache { SMB_OFF_T file_size; SMB_OFF_T offset; size_t alloc_size; size_t data_size; char *data; } write_cache; struct fd_handle { size_t ref_count; int fd; uint64_t position_information; SMB_OFF_T pos; uint32 private_options; /* NT Create options, but we only look at * NTCREATEX_OPTIONS_PRIVATE_DENY_DOS and * NTCREATEX_OPTIONS_PRIVATE_DENY_FCB and * NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE * for print files *only*, where * DELETE_ON_CLOSE is not stored in the share * mode database. */ unsigned long gen_id; }; struct idle_event; struct share_mode_entry; struct uuid; struct named_mutex; struct wb_context; struct rpc_cli_smbd_conn; struct fncall_context; struct vfs_fsp_data { struct vfs_fsp_data *next; struct vfs_handle_struct *owner; void (*destroy)(void *p_data); void *_dummy_; /* NOTE: This structure contains four pointers so that we can guarantee * that the end of the structure is always both 4-byte and 8-byte aligned. */ }; /* the basic packet size, assuming no words or bytes */ #define smb_size 39 struct notify_change { uint32_t action; const char *name; }; struct notify_mid_map; struct notify_entry; struct notify_event; struct notify_change_request; struct sys_notify_backend; struct sys_notify_context { struct event_context *ev; struct connection_struct *conn; void *private_data; /* For use by the system backend */ }; struct notify_change_buf { /* * If no requests are pending, changes are queued here. Simple array, * we only append. */ /* * num_changes == -1 means that we have got a catch-all change, when * asked we just return NT_STATUS_OK without specific changes. */ int num_changes; struct notify_change *changes; /* * If no changes are around requests are queued here. Using a linked * list, because we have to append at the end and delete from the top. */ struct notify_change_request *requests; }; struct print_file_data { char *svcname; char *docname; char *filename; struct policy_handle handle; uint32_t jobid; uint16 rap_jobid; }; typedef struct files_struct { struct files_struct *next, *prev; int fnum; struct connection_struct *conn; struct fd_handle *fh; unsigned int num_smb_operations; struct file_id file_id; uint64_t initial_allocation_size; /* Faked up initial allocation on disk. */ mode_t mode; uint16 file_pid; uint16 vuid; write_cache *wcp; struct timeval open_time; uint32 access_mask; /* NTCreateX access bits (FILE_READ_DATA etc.) */ uint32 share_access; /* NTCreateX share constants (FILE_SHARE_READ|FILE_SHARE_WRITE|FILE_SHARE_DELETE). */ bool update_write_time_triggered; struct timed_event *update_write_time_event; bool update_write_time_on_close; struct timespec close_write_time; bool write_time_forced; int oplock_type; int sent_oplock_break; struct timed_event *oplock_timeout; struct lock_struct last_lock_failure; int current_lock_count; /* Count the number of outstanding locks and pending locks. */ struct share_mode_entry *pending_break_messages; int num_pending_break_messages; bool can_lock; bool can_read; bool can_write; bool modified; bool is_directory; bool aio_write_behind; bool lockdb_clean; bool initial_delete_on_close; /* Only set at NTCreateX if file was created. */ bool delete_on_close; bool posix_open; bool is_sparse; struct smb_filename *fsp_name; uint32_t name_hash; /* Jenkins hash of full pathname. */ struct vfs_fsp_data *vfs_extension; struct fake_file_handle *fake_file_handle; struct notify_change_buf *notify; struct files_struct *base_fsp; /* placeholder for delete on close */ /* * Read-only cached brlock record, thrown away when the * brlock.tdb seqnum changes. This avoids fetching data from * the brlock.tdb on every read/write call. */ int brlock_seqnum; struct byte_range_lock *brlock_rec; struct dptr_struct *dptr; /* if not NULL, means this is a print file */ struct print_file_data *print_file; } files_struct; #include "ntquotas.h" #include "sysquotas.h" struct vuid_cache_entry { struct auth_session_info *session_info; uint16_t vuid; bool read_only; }; struct vuid_cache { unsigned int next_entry; struct vuid_cache_entry array[VUID_CACHE_SIZE]; }; typedef struct { char *name; bool is_wild; } name_compare_entry; struct trans_state { struct trans_state *next, *prev; uint16 vuid; uint64_t mid; uint32 max_param_return; uint32 max_data_return; uint32 max_setup_return; uint8 cmd; /* SMBtrans or SMBtrans2 */ char *name; /* for trans requests */ uint16 call; /* for trans2 and nttrans requests */ bool close_on_completion; bool one_way; unsigned int setup_count; uint16 *setup; size_t received_data; size_t received_param; size_t total_param; char *param; size_t total_data; char *data; }; /* * Info about an alternate data stream */ struct stream_struct { SMB_OFF_T size; SMB_OFF_T alloc_size; char *name; }; /* Include VFS stuff */ #include "smb_acls.h" #include "vfs.h" struct dfree_cached_info { time_t last_dfree_time; uint64_t dfree_ret; uint64_t bsize; uint64_t dfree; uint64_t dsize; }; struct dptr_struct; struct share_params { int service; }; typedef struct connection_struct { struct connection_struct *next, *prev; struct smbd_server_connection *sconn; /* can be NULL */ unsigned cnum; /* an index passed over the wire */ struct share_params *params; bool force_user; struct vuid_cache vuid_cache; bool printer; bool ipc; bool read_only; /* Attributes for the current user of the share. */ uint32_t share_access; /* Does this filesystem honor sub second timestamps on files and directories when setting time ? */ enum timestamp_set_resolution ts_res; char *connectpath; char *origpath; struct vfs_handle_struct *vfs_handles; /* for the new plugins */ /* * This represents the user information on this connection. Depending * on the vuid using this tid, this might change per SMB request. */ struct auth_session_info *session_info; /* * If the "force group" parameter is set, this is the primary gid that * may be used in the users token, depending on the vuid using this tid. */ gid_t force_group_gid; uint16 vuid; /* vuid of user who *opened* this connection, or UID_FIELD_INVALID */ time_t lastused; time_t lastused_count; bool used; int num_files_open; unsigned int num_smb_operations; /* Count of smb operations on this tree. */ int encrypt_level; bool encrypted_tid; /* Semantics requested by the client or forced by the server config. */ bool case_sensitive; bool case_preserve; bool short_case_preserve; /* Semantics provided by the underlying filesystem. */ int fs_capabilities; /* Device number of the directory of the share mount. Used to ensure unique FileIndex returns. */ SMB_DEV_T base_share_dev; name_compare_entry *hide_list; /* Per-share list of files to return as hidden. */ name_compare_entry *veto_list; /* Per-share list of files to veto (never show). */ name_compare_entry *veto_oplock_list; /* Per-share list of files to refuse oplocks on. */ name_compare_entry *aio_write_behind_list; /* Per-share list of files to use aio write behind on. */ struct dfree_cached_info *dfree_info; struct trans_state *pending_trans; struct notify_context *notify_ctx; struct rpc_pipe_client *spoolss_pipe; } connection_struct; struct current_user { connection_struct *conn; uint16 vuid; struct security_unix_token ut; struct security_token *nt_user_token; }; struct smbd_smb2_request; struct smb_request { uint8_t cmd; uint16 flags2; uint16 smbpid; uint64_t mid; /* For compatibility with SMB2. */ uint32_t seqnum; uint16 vuid; uint16 tid; uint8 wct; uint16_t *vwv; uint16_t buflen; const uint8_t *buf; const uint8 *inbuf; /* * Async handling in the main smb processing loop is directed by * outbuf: reply_xxx routines indicate sync behaviour by putting their * reply into "outbuf". If they leave it as NULL, they take of it * themselves, possibly later. * * If async handling is wanted, the reply_xxx routine must make sure * that it talloc_move()s the smb_req somewhere else. */ uint8 *outbuf; size_t unread_bytes; bool encrypted; connection_struct *conn; struct smbd_server_connection *sconn; struct smb_perfcount_data pcd; /* * Chained request handling */ struct files_struct *chain_fsp; /* * Here we collect the outbufs from the chain handlers */ uint8_t *chain_outbuf; /* * state information for async smb handling */ void *async_priv; bool done; /* * Back pointer to smb2 request. */ struct smbd_smb2_request *smb2req; }; /* Defines for the sent_oplock_break field above. */ #define NO_BREAK_SENT 0 #define BREAK_TO_NONE_SENT 1 #define LEVEL_II_BREAK_SENT 2 typedef struct { fstring smb_name; /* user name from the client */ fstring unix_name; /* unix user name of a validated user */ fstring domain; /* domain that the client specified */ } userdom_struct; /* used for network interfaces */ struct interface { struct interface *next, *prev; char *name; int flags; struct sockaddr_storage ip; struct sockaddr_storage netmask; struct sockaddr_storage bcast; }; #define SHARE_MODE_FLAG_POSIX_OPEN 0x1 #include "librpc/gen_ndr/server_id.h" /* oplock break message definition - linearization of share_mode_entry. Offset Data length. 0 struct server_id pid 4 4 uint16 op_mid 8 12 uint16 op_type 2 14 uint32 access_mask 4 18 uint32 share_access 4 22 uint32 private_options 4 26 uint32 time sec 4 30 uint32 time usec 4 34 uint64 dev 8 bytes 42 uint64 inode 8 bytes 50 uint64 extid 8 bytes 58 unsigned long file_id 4 bytes 62 uint32 uid 4 bytes 66 uint16 flags 2 bytes 68 uint32 name_hash 4 bytes 72 */ #define OP_BREAK_MSG_PID_OFFSET 0 #define OP_BREAK_MSG_MID_OFFSET 4 #define OP_BREAK_MSG_OP_TYPE_OFFSET 12 #define OP_BREAK_MSG_ACCESS_MASK_OFFSET 14 #define OP_BREAK_MSG_SHARE_ACCESS_OFFSET 18 #define OP_BREAK_MSG_PRIV_OFFSET 22 #define OP_BREAK_MSG_TIME_SEC_OFFSET 26 #define OP_BREAK_MSG_TIME_USEC_OFFSET 30 #define OP_BREAK_MSG_DEV_OFFSET 34 #define OP_BREAK_MSG_INO_OFFSET 42 #define OP_BREAK_MSG_EXTID_OFFSET 50 #define OP_BREAK_MSG_FILE_ID_OFFSET 58 #define OP_BREAK_MSG_UID_OFFSET 62 #define OP_BREAK_MSG_FLAGS_OFFSET 66 #define OP_BREAK_MSG_NAME_HASH_OFFSET 68 #define OP_BREAK_MSG_VNN_OFFSET 72 #define MSG_SMB_SHARE_MODE_ENTRY_SIZE 76 #define NT_HASH_LEN 16 #define LM_HASH_LEN 16 /* key and data in the connections database - used in smbstatus and smbd */ struct connections_key { struct server_id pid; int cnum; fstring name; }; struct connections_data { int magic; struct server_id pid; int cnum; uid_t uid; gid_t gid; char servicename[FSTRING_LEN]; char addr[24]; char machine[FSTRING_LEN]; time_t start; /* * This field used to hold the msg_flags. For compatibility reasons, * keep the data structure in the tdb file the same. */ uint32 unused_compatitibility_field; }; /* offsets into message for common items */ #define smb_com (NBT_HDR_SIZE+HDR_COM) #define smb_rcls (NBT_HDR_SIZE+HDR_RCLS) #define smb_reh (NBT_HDR_SIZE+HDR_REH) #define smb_err (NBT_HDR_SIZE+HDR_ERR) #define smb_flg (NBT_HDR_SIZE+HDR_FLG) #define smb_flg2 (NBT_HDR_SIZE+HDR_FLG2) #define smb_pidhigh (NBT_HDR_SIZE+HDR_PIDHIGH) #define smb_ss_field (NBT_HDR_SIZE+HDR_SS_FIELD) #define smb_tid (NBT_HDR_SIZE+HDR_TID) #define smb_pid (NBT_HDR_SIZE+HDR_PID) #define smb_uid (NBT_HDR_SIZE+HDR_UID) #define smb_mid (NBT_HDR_SIZE+HDR_MID) #define smb_wct (NBT_HDR_SIZE+HDR_WCT) #define smb_vwv (NBT_HDR_SIZE+HDR_VWV) #define smb_vwv0 (smb_vwv+( 0*2)) #define smb_vwv1 (smb_vwv+( 1*2)) #define smb_vwv2 (smb_vwv+( 2*2)) #define smb_vwv3 (smb_vwv+( 3*2)) #define smb_vwv4 (smb_vwv+( 4*2)) #define smb_vwv5 (smb_vwv+( 5*2)) #define smb_vwv6 (smb_vwv+( 6*2)) #define smb_vwv7 (smb_vwv+( 7*2)) #define smb_vwv8 (smb_vwv+( 8*2)) #define smb_vwv9 (smb_vwv+( 9*2)) #define smb_vwv10 (smb_vwv+(10*2)) #define smb_vwv11 (smb_vwv+(11*2)) #define smb_vwv12 (smb_vwv+(12*2)) #define smb_vwv13 (smb_vwv+(13*2)) #define smb_vwv14 (smb_vwv+(14*2)) #define smb_vwv15 (smb_vwv+(15*2)) #define smb_vwv16 (smb_vwv+(16*2)) #define smb_vwv17 (smb_vwv+(17*2)) /* These are the trans subcommands */ #define TRANSACT_SETNAMEDPIPEHANDLESTATE 0x01 #define TRANSACT_DCERPCCMD 0x26 #define TRANSACT_WAITNAMEDPIPEHANDLESTATE 0x53 /* These are the TRANS2 sub commands */ #define TRANSACT2_OPEN 0x00 #define TRANSACT2_FINDFIRST 0x01 #define TRANSACT2_FINDNEXT 0x02 #define TRANSACT2_QFSINFO 0x03 #define TRANSACT2_SETFSINFO 0x04 #define TRANSACT2_QPATHINFO 0x05 #define TRANSACT2_SETPATHINFO 0x06 #define TRANSACT2_QFILEINFO 0x07 #define TRANSACT2_SETFILEINFO 0x08 #define TRANSACT2_FSCTL 0x09 #define TRANSACT2_IOCTL 0x0A #define TRANSACT2_FINDNOTIFYFIRST 0x0B #define TRANSACT2_FINDNOTIFYNEXT 0x0C #define TRANSACT2_MKDIR 0x0D #define TRANSACT2_SESSION_SETUP 0x0E #define TRANSACT2_GET_DFS_REFERRAL 0x10 #define TRANSACT2_REPORT_DFS_INCONSISTANCY 0x11 /* These are the NT transact sub commands. */ #define NT_TRANSACT_CREATE 1 #define NT_TRANSACT_IOCTL 2 #define NT_TRANSACT_SET_SECURITY_DESC 3 #define NT_TRANSACT_NOTIFY_CHANGE 4 #define NT_TRANSACT_RENAME 5 #define NT_TRANSACT_QUERY_SECURITY_DESC 6 #define NT_TRANSACT_GET_USER_QUOTA 7 #define NT_TRANSACT_SET_USER_QUOTA 8 /* These are the NT transact_get_user_quota sub commands */ #define TRANSACT_GET_USER_QUOTA_LIST_CONTINUE 0x0000 #define TRANSACT_GET_USER_QUOTA_LIST_START 0x0100 #define TRANSACT_GET_USER_QUOTA_FOR_SID 0x0101 /* Relevant IOCTL codes */ #define IOCTL_QUERY_JOB_INFO 0x530060 /* these are the trans2 sub fields for primary requests */ #define smb_tpscnt smb_vwv0 #define smb_tdscnt smb_vwv1 #define smb_mprcnt smb_vwv2 #define smb_mdrcnt smb_vwv3 #define smb_msrcnt smb_vwv4 #define smb_flags smb_vwv5 #define smb_timeout smb_vwv6 #define smb_pscnt smb_vwv9 #define smb_psoff smb_vwv10 #define smb_dscnt smb_vwv11 #define smb_dsoff smb_vwv12 #define smb_suwcnt smb_vwv13 #define smb_setup smb_vwv14 #define smb_setup0 smb_setup #define smb_setup1 (smb_setup+2) #define smb_setup2 (smb_setup+4) /* these are for the secondary requests */ #define smb_spscnt smb_vwv2 #define smb_spsoff smb_vwv3 #define smb_spsdisp smb_vwv4 #define smb_sdscnt smb_vwv5 #define smb_sdsoff smb_vwv6 #define smb_sdsdisp smb_vwv7 #define smb_sfid smb_vwv8 /* and these for responses */ #define smb_tprcnt smb_vwv0 #define smb_tdrcnt smb_vwv1 #define smb_prcnt smb_vwv3 #define smb_proff smb_vwv4 #define smb_prdisp smb_vwv5 #define smb_drcnt smb_vwv6 #define smb_droff smb_vwv7 #define smb_drdisp smb_vwv8 /* these are for the NT trans primary request. */ #define smb_nt_MaxSetupCount smb_vwv0 #define smb_nt_Flags (smb_vwv0 + 1) #define smb_nt_TotalParameterCount (smb_vwv0 + 3) #define smb_nt_TotalDataCount (smb_vwv0 + 7) #define smb_nt_MaxParameterCount (smb_vwv0 + 11) #define smb_nt_MaxDataCount (smb_vwv0 + 15) #define smb_nt_ParameterCount (smb_vwv0 + 19) #define smb_nt_ParameterOffset (smb_vwv0 + 23) #define smb_nt_DataCount (smb_vwv0 + 27) #define smb_nt_DataOffset (smb_vwv0 + 31) #define smb_nt_SetupCount (smb_vwv0 + 35) #define smb_nt_Function (smb_vwv0 + 36) #define smb_nt_SetupStart (smb_vwv0 + 38) /* these are for the NT trans secondary request. */ #define smb_nts_TotalParameterCount (smb_vwv0 + 3) #define smb_nts_TotalDataCount (smb_vwv0 + 7) #define smb_nts_ParameterCount (smb_vwv0 + 11) #define smb_nts_ParameterOffset (smb_vwv0 + 15) #define smb_nts_ParameterDisplacement (smb_vwv0 + 19) #define smb_nts_DataCount (smb_vwv0 + 23) #define smb_nts_DataOffset (smb_vwv0 + 27) #define smb_nts_DataDisplacement (smb_vwv0 + 31) /* these are for the NT trans reply. */ #define smb_ntr_TotalParameterCount (smb_vwv0 + 3) #define smb_ntr_TotalDataCount (smb_vwv0 + 7) #define smb_ntr_ParameterCount (smb_vwv0 + 11) #define smb_ntr_ParameterOffset (smb_vwv0 + 15) #define smb_ntr_ParameterDisplacement (smb_vwv0 + 19) #define smb_ntr_DataCount (smb_vwv0 + 23) #define smb_ntr_DataOffset (smb_vwv0 + 27) #define smb_ntr_DataDisplacement (smb_vwv0 + 31) /* these are for the NT create_and_X */ #define smb_ntcreate_NameLength (smb_vwv0 + 5) #define smb_ntcreate_Flags (smb_vwv0 + 7) #define smb_ntcreate_RootDirectoryFid (smb_vwv0 + 11) #define smb_ntcreate_DesiredAccess (smb_vwv0 + 15) #define smb_ntcreate_AllocationSize (smb_vwv0 + 19) #define smb_ntcreate_FileAttributes (smb_vwv0 + 27) #define smb_ntcreate_ShareAccess (smb_vwv0 + 31) #define smb_ntcreate_CreateDisposition (smb_vwv0 + 35) #define smb_ntcreate_CreateOptions (smb_vwv0 + 39) #define smb_ntcreate_ImpersonationLevel (smb_vwv0 + 43) #define smb_ntcreate_SecurityFlags (smb_vwv0 + 47) /* this is used on a TConX. I'm not sure the name is very helpful though */ #define SMB_SUPPORT_SEARCH_BITS 0x0001 #define SMB_SHARE_IN_DFS 0x0002 /* Named pipe write mode flags. Used in writeX calls. */ #define PIPE_RAW_MODE 0x4 #define PIPE_START_MESSAGE 0x8 /* the desired access to use when opening a pipe */ #define DESIRED_ACCESS_PIPE 0x2019f /* Mapping of access rights to UNIX perms. */ #define UNIX_ACCESS_RWX FILE_GENERIC_ALL #define UNIX_ACCESS_R FILE_GENERIC_READ #define UNIX_ACCESS_W FILE_GENERIC_WRITE #define UNIX_ACCESS_X FILE_GENERIC_EXECUTE /* Mapping of access rights to UNIX perms. for a UNIX directory. */ #define UNIX_DIRECTORY_ACCESS_RWX FILE_GENERIC_ALL #define UNIX_DIRECTORY_ACCESS_R FILE_GENERIC_READ #define UNIX_DIRECTORY_ACCESS_W (FILE_GENERIC_WRITE|FILE_DELETE_CHILD) #define UNIX_DIRECTORY_ACCESS_X FILE_GENERIC_EXECUTE #if 0 /* * This is the old mapping we used to use. To get W2KSP2 profiles * working we need to map to the canonical file perms. */ #define UNIX_ACCESS_RWX (UNIX_ACCESS_R|UNIX_ACCESS_W|UNIX_ACCESS_X) #define UNIX_ACCESS_R (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ FILE_READ_ATTRIBUTES|FILE_READ_EA|FILE_READ_DATA) #define UNIX_ACCESS_W (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ FILE_WRITE_ATTRIBUTES|FILE_WRITE_EA|\ FILE_APPEND_DATA|FILE_WRITE_DATA) #define UNIX_ACCESS_X (READ_CONTROL_ACCESS|SYNCHRONIZE_ACCESS|\ FILE_EXECUTE|FILE_READ_ATTRIBUTES) #endif #define UNIX_ACCESS_NONE (WRITE_OWNER_ACCESS) /* Flags field. */ #define REQUEST_OPLOCK 2 #define REQUEST_BATCH_OPLOCK 4 #define OPEN_DIRECTORY 8 #define EXTENDED_RESPONSE_REQUIRED 0x10 /* ShareAccess field. */ #define FILE_SHARE_NONE 0 /* Cannot be used in bitmask. */ #define FILE_SHARE_READ 1 #define FILE_SHARE_WRITE 2 #define FILE_SHARE_DELETE 4 /* Flags - combined with attributes. */ #define FILE_FLAG_WRITE_THROUGH 0x80000000L #define FILE_FLAG_NO_BUFFERING 0x20000000L #define FILE_FLAG_RANDOM_ACCESS 0x10000000L #define FILE_FLAG_SEQUENTIAL_SCAN 0x08000000L #define FILE_FLAG_DELETE_ON_CLOSE 0x04000000L #define FILE_FLAG_BACKUP_SEMANTICS 0x02000000L #define FILE_FLAG_POSIX_SEMANTICS 0x01000000L /* CreateDisposition field. */ #define FILE_SUPERSEDE 0 /* File exists overwrite/supersede. File not exist create. */ #define FILE_OPEN 1 /* File exists open. File not exist fail. */ #define FILE_CREATE 2 /* File exists fail. File not exist create. */ #define FILE_OPEN_IF 3 /* File exists open. File not exist create. */ #define FILE_OVERWRITE 4 /* File exists overwrite. File not exist fail. */ #define FILE_OVERWRITE_IF 5 /* File exists overwrite. File not exist create. */ /* CreateOptions field. */ #define FILE_DIRECTORY_FILE 0x0001 #define FILE_WRITE_THROUGH 0x0002 #define FILE_SEQUENTIAL_ONLY 0x0004 #define FILE_NO_INTERMEDIATE_BUFFERING 0x0008 #define FILE_SYNCHRONOUS_IO_ALERT 0x0010 /* may be ignored */ #define FILE_SYNCHRONOUS_IO_NONALERT 0x0020 /* may be ignored */ #define FILE_NON_DIRECTORY_FILE 0x0040 #define FILE_CREATE_TREE_CONNECTION 0x0080 /* ignore, should be zero */ #define FILE_COMPLETE_IF_OPLOCKED 0x0100 /* ignore, should be zero */ #define FILE_NO_EA_KNOWLEDGE 0x0200 #define FILE_EIGHT_DOT_THREE_ONLY 0x0400 /* aka OPEN_FOR_RECOVERY: ignore, should be zero */ #define FILE_RANDOM_ACCESS 0x0800 #define FILE_DELETE_ON_CLOSE 0x1000 #define FILE_OPEN_BY_FILE_ID 0x2000 #define FILE_OPEN_FOR_BACKUP_INTENT 0x4000 #define FILE_NO_COMPRESSION 0x8000 #define FILE_RESERVER_OPFILTER 0x00100000 /* ignore, should be zero */ #define FILE_OPEN_REPARSE_POINT 0x00200000 #define FILE_OPEN_NO_RECALL 0x00400000 #define FILE_OPEN_FOR_FREE_SPACE_QUERY 0x00800000 /* ignore should be zero */ #define NTCREATEX_OPTIONS_MUST_IGNORE_MASK (0x008F0480) #define NTCREATEX_OPTIONS_INVALID_PARAM_MASK (0xFF100030) /* * Private create options used by the ntcreatex processing code. From Samba4. * We reuse some ignored flags for private use. Passed in the private_flags * argument. */ #define NTCREATEX_OPTIONS_PRIVATE_DENY_DOS 0x0001 #define NTCREATEX_OPTIONS_PRIVATE_DENY_FCB 0x0002 /* Private options for streams support */ #define NTCREATEX_OPTIONS_PRIVATE_STREAM_DELETE 0x0004 /* Private options for printer support */ #define NTCREATEX_OPTIONS_PRIVATE_DELETE_ON_CLOSE 0x0008 /* Responses when opening a file. */ #define FILE_WAS_SUPERSEDED 0 #define FILE_WAS_OPENED 1 #define FILE_WAS_CREATED 2 #define FILE_WAS_OVERWRITTEN 3 /* Flag for NT transact rename call. */ #define RENAME_REPLACE_IF_EXISTS 1 /* flags for SMBntrename call (from Samba4) */ #define RENAME_FLAG_MOVE_CLUSTER_INFORMATION 0x102 /* ???? */ #define RENAME_FLAG_HARD_LINK 0x103 #define RENAME_FLAG_RENAME 0x104 #define RENAME_FLAG_COPY 0x105 /* Filesystem Attributes. */ #define FILE_CASE_SENSITIVE_SEARCH 0x00000001 #define FILE_CASE_PRESERVED_NAMES 0x00000002 #define FILE_UNICODE_ON_DISK 0x00000004 /* According to cifs9f, this is 4, not 8 */ /* Acconding to testing, this actually sets the security attribute! */ #define FILE_PERSISTENT_ACLS 0x00000008 #define FILE_FILE_COMPRESSION 0x00000010 #define FILE_VOLUME_QUOTAS 0x00000020 #define FILE_SUPPORTS_SPARSE_FILES 0x00000040 #define FILE_SUPPORTS_REPARSE_POINTS 0x00000080 #define FILE_SUPPORTS_REMOTE_STORAGE 0x00000100 #define FS_LFN_APIS 0x00004000 #define FILE_VOLUME_IS_COMPRESSED 0x00008000 #define FILE_SUPPORTS_OBJECT_IDS 0x00010000 #define FILE_SUPPORTS_ENCRYPTION 0x00020000 #define FILE_NAMED_STREAMS 0x00040000 #define FILE_READ_ONLY_VOLUME 0x00080000 /* ChangeNotify flags. */ #define FILE_NOTIFY_CHANGE_FILE_NAME 0x001 #define FILE_NOTIFY_CHANGE_DIR_NAME 0x002 #define FILE_NOTIFY_CHANGE_ATTRIBUTES 0x004 #define FILE_NOTIFY_CHANGE_SIZE 0x008 #define FILE_NOTIFY_CHANGE_LAST_WRITE 0x010 #define FILE_NOTIFY_CHANGE_LAST_ACCESS 0x020 #define FILE_NOTIFY_CHANGE_CREATION 0x040 #define FILE_NOTIFY_CHANGE_EA 0x080 #define FILE_NOTIFY_CHANGE_SECURITY 0x100 #define FILE_NOTIFY_CHANGE_STREAM_NAME 0x00000200 #define FILE_NOTIFY_CHANGE_STREAM_SIZE 0x00000400 #define FILE_NOTIFY_CHANGE_STREAM_WRITE 0x00000800 #define FILE_NOTIFY_CHANGE_NAME \ (FILE_NOTIFY_CHANGE_FILE_NAME|FILE_NOTIFY_CHANGE_DIR_NAME) /* change notify action results */ #define NOTIFY_ACTION_ADDED 1 #define NOTIFY_ACTION_REMOVED 2 #define NOTIFY_ACTION_MODIFIED 3 #define NOTIFY_ACTION_OLD_NAME 4 #define NOTIFY_ACTION_NEW_NAME 5 #define NOTIFY_ACTION_ADDED_STREAM 6 #define NOTIFY_ACTION_REMOVED_STREAM 7 #define NOTIFY_ACTION_MODIFIED_STREAM 8 /* where to find the base of the SMB packet proper */ #define smb_base(buf) (((const char *)(buf))+4) /* we don't allow server strings to be longer than 48 characters as otherwise NT will not honour the announce packets */ #define MAX_SERVER_STRING_LENGTH 48 #define SMB_SUCCESS 0 /* The request was successful. */ #ifdef WITH_DFS void dfs_unlogin(void); extern int dcelogin_atmost_once; #endif #ifdef NOSTRDUP char *strdup(char *s); #endif #ifndef SELECT_CAST #define SELECT_CAST #endif /* This was set by JHT in liaison with Jeremy Allison early 1997 * History: * Version 4.0 - never made public * Version 4.10 - New to 1.9.16p2, lost in space 1.9.16p3 to 1.9.16p9 * - Reappeared in 1.9.16p11 with fixed smbd services * Version 4.20 - To indicate that nmbd and browsing now works better * Version 4.50 - Set at release of samba-2.2.0 by JHT * * Note: In the presence of NT4.X do not set above 4.9 * Setting this above 4.9 can have undesired side-effects. * This may change again in Samba-3.0 after further testing. JHT */ #define SAMBA_MAJOR_NBT_ANNOUNCE_VERSION 0x04 #define SAMBA_MINOR_NBT_ANNOUNCE_VERSION 0x09 /* Browser Election Values */ #define BROWSER_ELECTION_VERSION 0x010f #define BROWSER_CONSTANT 0xaa55 /* TCONX Flag (smb_vwv2). */ #define TCONX_FLAG_EXTENDED_RESPONSE 0x8 /* File Status Flags. See: http://msdn.microsoft.com/en-us/library/cc246334(PROT.13).aspx */ #define NO_EAS 0x1 #define NO_SUBSTREAMS 0x2 #define NO_REPARSETAG 0x4 /* printing types */ enum printing_types {PRINT_BSD,PRINT_SYSV,PRINT_AIX,PRINT_HPUX, PRINT_QNX,PRINT_PLP,PRINT_LPRNG,PRINT_SOFTQ, PRINT_CUPS,PRINT_LPRNT,PRINT_LPROS2,PRINT_IPRINT #if defined(DEVELOPER) || defined(ENABLE_BUILD_FARM_HACKS) ,PRINT_TEST,PRINT_VLP #endif /* DEVELOPER */ }; /* LDAP SSL options */ enum ldap_ssl_types {LDAP_SSL_OFF, LDAP_SSL_START_TLS}; /* LDAP PASSWD SYNC methods */ enum ldap_passwd_sync_types {LDAP_PASSWD_SYNC_ON, LDAP_PASSWD_SYNC_OFF, LDAP_PASSWD_SYNC_ONLY}; /* * This should be under the HAVE_KRB5 flag but since they're used * in lp_kerberos_method(), they ned to be always available * If you add any entries to KERBEROS_VERIFY defines, please modify USE.*KEYTAB macros * so they remain accurate. */ #define KERBEROS_VERIFY_SECRETS 0 #define KERBEROS_VERIFY_SYSTEM_KEYTAB 1 #define KERBEROS_VERIFY_DEDICATED_KEYTAB 2 #define KERBEROS_VERIFY_SECRETS_AND_KEYTAB 3 /* Remote architectures we know about. */ enum remote_arch_types {RA_UNKNOWN, RA_WFWG, RA_OS2, RA_WIN95, RA_WINNT, RA_WIN2K, RA_WINXP, RA_WIN2K3, RA_VISTA, RA_SAMBA, RA_CIFSFS, RA_WINXP64, RA_OSX}; /* case handling */ enum case_handling {CASE_LOWER,CASE_UPPER}; /* ACL compatibility */ enum acl_compatibility {ACL_COMPAT_AUTO, ACL_COMPAT_WINNT, ACL_COMPAT_WIN2K}; /* * Global value meaing that the smb_uid field should be * ingored (in share level security and protocol level == CORE) */ #define UID_FIELD_INVALID 0 #define VUID_OFFSET 100 /* Amount to bias returned vuid numbers */ /* * Size of buffer to use when moving files across filesystems. */ #define COPYBUF_SIZE (8*1024) /* * Map the Core and Extended Oplock requesst bits down * to common bits (EXCLUSIVE_OPLOCK & BATCH_OPLOCK). */ /* * Core protocol. */ #define CORE_OPLOCK_REQUEST(inbuf) \ ((CVAL(inbuf,smb_flg)&(FLAG_REQUEST_OPLOCK|FLAG_REQUEST_BATCH_OPLOCK))>>5) /* * Extended protocol. */ #define EXTENDED_OPLOCK_REQUEST(inbuf) ((SVAL(inbuf,smb_vwv2)&((1<<1)|(1<<2)))>>1) /* * Bits we test with. * Note these must fit into 16-bits. */ #define NO_OPLOCK OPLOCK_NONE #define EXCLUSIVE_OPLOCK OPLOCK_EXCLUSIVE #define BATCH_OPLOCK OPLOCK_BATCH #define LEVEL_II_OPLOCK OPLOCK_LEVEL_II /* The following are Samba-private. */ #define INTERNAL_OPEN_ONLY 0x8 #define FAKE_LEVEL_II_OPLOCK 0x10 /* Client requested no_oplock, but we have to * inform potential level2 holders on * write. */ #define DEFERRED_OPEN_ENTRY 0x20 /* #define UNUSED_SHARE_MODE_ENTRY 0x40 */ /* Not used anymore */ #define FORCE_OPLOCK_BREAK_TO_NONE 0x80 /* None of the following should ever appear in fsp->oplock_request. */ #define SAMBA_PRIVATE_OPLOCK_MASK (INTERNAL_OPEN_ONLY|DEFERRED_OPEN_ENTRY|FORCE_OPLOCK_BREAK_TO_NONE) #define EXCLUSIVE_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)EXCLUSIVE_OPLOCK|(unsigned int)BATCH_OPLOCK)) #define BATCH_OPLOCK_TYPE(lck) ((lck) & (unsigned int)BATCH_OPLOCK) #define LEVEL_II_OPLOCK_TYPE(lck) ((lck) & ((unsigned int)LEVEL_II_OPLOCK|(unsigned int)FAKE_LEVEL_II_OPLOCK)) /* kernel_oplock_message definition. struct kernel_oplock_message { uint64_t dev; uint64_t inode; unit64_t extid; unsigned long file_id; }; Offset Data length. 0 uint64_t dev 8 bytes 8 uint64_t inode 8 bytes 16 uint64_t extid 8 bytes 24 unsigned long file_id 4 bytes 28 */ #define MSG_SMB_KERNEL_BREAK_SIZE 28 /* file_renamed_message definition. struct file_renamed_message { uint64_t dev; uint64_t inode; char names[1]; A variable area containing sharepath and filename. }; Offset Data length. 0 uint64_t dev 8 bytes 8 uint64_t inode 8 bytes 16 unit64_t extid 8 bytes 24 char [] name zero terminated namelen bytes minimum length == 24. */ #define MSG_FILE_RENAMED_MIN_SIZE 24 /* * On the wire return values for oplock types. */ #define CORE_OPLOCK_GRANTED (1<<5) #define EXTENDED_OPLOCK_GRANTED (1<<15) #define NO_OPLOCK_RETURN 0 #define EXCLUSIVE_OPLOCK_RETURN 1 #define BATCH_OPLOCK_RETURN 2 #define LEVEL_II_OPLOCK_RETURN 3 /* Oplock levels */ #define OPLOCKLEVEL_NONE 0 #define OPLOCKLEVEL_II 1 /* * Capabilities abstracted for different systems. */ enum smbd_capability { KERNEL_OPLOCK_CAPABILITY, DMAPI_ACCESS_CAPABILITY, LEASE_CAPABILITY }; /* * Kernel oplocks capability flags. */ /* Level 2 oplocks are supported natively by kernel oplocks. */ #define KOPLOCKS_LEVEL2_SUPPORTED 0x1 /* The kernel notifies deferred openers when they can retry the open. */ #define KOPLOCKS_DEFERRED_OPEN_NOTIFICATION 0x2 /* The kernel notifies smbds when an oplock break times out. */ #define KOPLOCKS_TIMEOUT_NOTIFICATION 0x4 /* The kernel notifies smbds when an oplock is broken. */ #define KOPLOCKS_OPLOCK_BROKEN_NOTIFICATION 0x8 struct kernel_oplocks_ops; struct kernel_oplocks { const struct kernel_oplocks_ops *ops; uint32_t flags; void *private_data; }; enum level2_contention_type { LEVEL2_CONTEND_ALLOC_SHRINK, LEVEL2_CONTEND_ALLOC_GROW, LEVEL2_CONTEND_SET_FILE_LEN, LEVEL2_CONTEND_FILL_SPARSE, LEVEL2_CONTEND_WRITE, LEVEL2_CONTEND_WINDOWS_BRL, LEVEL2_CONTEND_POSIX_BRL }; /* if a kernel does support oplocks then a structure of the following typee is used to describe how to interact with the kernel */ struct kernel_oplocks_ops { bool (*set_oplock)(struct kernel_oplocks *ctx, files_struct *fsp, int oplock_type); void (*release_oplock)(struct kernel_oplocks *ctx, files_struct *fsp, int oplock_type); 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); }; #include "smb_macros.h" #define MAX_NETBIOSNAME_LEN 16 /* DOS character, NetBIOS namestring. Type used on the wire. */ typedef char nstring[MAX_NETBIOSNAME_LEN]; /* Unix character, NetBIOS namestring. Type used to manipulate name in nmbd. */ typedef char unstring[MAX_NETBIOSNAME_LEN*4]; /* A netbios name structure. */ struct nmb_name { nstring name; char scope[64]; unsigned int name_type; }; /* A netbios node status array element. */ struct node_status { nstring name; unsigned char type; unsigned char flags; }; /* The extra info from a NetBIOS node status query */ struct node_status_extra { unsigned char mac_addr[6]; /* There really is more here ... */ }; typedef struct user_struct { struct user_struct *next, *prev; uint16 vuid; /* Tag for this entry. */ char *session_keystr; /* used by utmp and pam session code. TDB key string */ int homes_snum; struct auth_session_info *session_info; struct auth_ntlmssp_state *auth_ntlmssp_state; } user_struct; /* Do you want session setups at user level security with a invalid password to be rejected or allowed in as guest? WinNT rejects them but it can be a pain as it means "net view" needs to use a password You have 3 choices in the setting of map_to_guest: "NEVER_MAP_TO_GUEST" means session setups with an invalid password are rejected. This is the default. "MAP_TO_GUEST_ON_BAD_USER" means session setups with an invalid password are rejected, unless the username does not exist, in which case it is treated as a guest login "MAP_TO_GUEST_ON_BAD_PASSWORD" means session setups with an invalid password are treated as a guest login Note that map_to_guest only has an effect in user or server level security. */ #define NEVER_MAP_TO_GUEST 0 #define MAP_TO_GUEST_ON_BAD_USER 1 #define MAP_TO_GUEST_ON_BAD_PASSWORD 2 #define MAP_TO_GUEST_ON_BAD_UID 3 #define SAFE_NETBIOS_CHARS ". -_" /* The maximum length of a trust account password. Used when we randomly create it, 15 char passwords exceed NT4's max password length */ #define DEFAULT_TRUST_ACCOUNT_PASSWORD_LENGTH 14 #define PORT_NONE 0 #ifndef LDAP_PORT #define LDAP_PORT 389 #endif #define LDAP_GC_PORT 3268 /* used by the IP comparison function */ struct ip_service { struct sockaddr_storage ss; unsigned port; }; struct ea_struct { uint8 flags; char *name; DATA_BLOB value; }; struct ea_list { struct ea_list *next, *prev; struct ea_struct ea; }; /* EA names used internally in Samba. KEEP UP TO DATE with prohibited_ea_names in trans2.c !. */ #define SAMBA_POSIX_INHERITANCE_EA_NAME "user.SAMBA_PAI" /* EA to use for DOS attributes */ #define SAMBA_XATTR_DOS_ATTRIB "user.DOSATTRIB" /* Prefix for DosStreams in the vfs_streams_xattr module */ #define SAMBA_XATTR_DOSSTREAM_PREFIX "user.DosStream." /* Prefix for xattrs storing streams. */ #define SAMBA_XATTR_MARKER "user.SAMBA_STREAMS" /* map readonly options */ enum mapreadonly_options {MAP_READONLY_NO, MAP_READONLY_YES, MAP_READONLY_PERMISSIONS}; /* usershare error codes. */ enum usershare_err { USERSHARE_OK=0, USERSHARE_MALFORMED_FILE, USERSHARE_BAD_VERSION, USERSHARE_MALFORMED_PATH, USERSHARE_MALFORMED_COMMENT_DEF, USERSHARE_MALFORMED_ACL_DEF, USERSHARE_ACL_ERR, USERSHARE_PATH_NOT_ABSOLUTE, USERSHARE_PATH_IS_DENIED, USERSHARE_PATH_NOT_ALLOWED, USERSHARE_PATH_NOT_DIRECTORY, USERSHARE_POSIX_ERR, USERSHARE_MALFORMED_SHARENAME_DEF, USERSHARE_BAD_SHARENAME }; /* Different reasons for closing a file. */ enum file_close_type {NORMAL_CLOSE=0,SHUTDOWN_CLOSE,ERROR_CLOSE}; /* Used in SMB_FS_OBJECTID_INFORMATION requests. Must be exactly 48 bytes. */ #define SAMBA_EXTENDED_INFO_MAGIC 0x536d4261 /* "SmBa" */ #define SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH 28 struct smb_extended_info { uint32 samba_magic; /* Always SAMBA_EXTRA_INFO_MAGIC */ uint32 samba_version; /* Major/Minor/Release/Revision */ uint32 samba_subversion; /* Prerelease/RC/Vendor patch */ NTTIME samba_gitcommitdate; char samba_version_string[SAMBA_EXTENDED_INFO_VERSION_STRING_LENGTH]; }; /* time info */ struct smb_file_time { struct timespec mtime; struct timespec atime; struct timespec ctime; struct timespec create_time; }; /* * unix_convert_flags */ #define UCF_SAVE_LCOMP 0x00000001 #define UCF_ALWAYS_ALLOW_WCARD_LCOMP 0x00000002 #define UCF_COND_ALLOW_WCARD_LCOMP 0x00000004 #define UCF_POSIX_PATHNAMES 0x00000008 #define UCF_UNIX_NAME_LOOKUP 0x00000010 /* * smb_filename */ struct smb_filename { char *base_name; char *stream_name; char *original_lcomp; SMB_STRUCT_STAT st; }; /* Used to keep track of deferred opens. */ struct deferred_open_record; /* Used inside aio code. */ struct aio_extra; /* * Reasons for cache flush. */ enum flush_reason_enum { SEEK_FLUSH, READ_FLUSH, WRITE_FLUSH, READRAW_FLUSH, OPLOCK_RELEASE_FLUSH, CLOSE_FLUSH, SYNC_FLUSH, SIZECHANGE_FLUSH, /* NUM_FLUSH_REASONS must remain the last value in the enumeration. */ NUM_FLUSH_REASONS}; #endif /* _SMB_H */