source3/include/local.h

   1 /* Copyright (C) 1995-1998 Samba-Team */
   2 /* Copyright (C) 1998 John H Terpstra <jht@aquasoft.com.au> */
   3
   4 /* local definitions for file server */
   5 #ifndef _LOCAL_H
   6 #define _LOCAL_H
   7
   8 /* Yves Gaige <yvesg@hptnodur.grenoble.hp.com> requested this set this       */
   9 /* to a maximum of 8 if old smb clients break because of long printer names. */
  10 #define MAXPRINTERLEN 15
  11
  12 /* max number of directories open at once */
  13 /* note that with the new directory code this no longer requires a
  14    file handle per directory, but large numbers do use more memory */
  15 #define MAX_OPEN_DIRECTORIES 256
  16
  17 /* max number of directory handles */
  18 /* As this now uses the bitmap code this can be
  19    quite large. */
  20 #define MAX_DIRECTORY_HANDLES 2048
  21
  22 /* maximum number of file caches per smbd */
  23 #define MAX_WRITE_CACHES 10
  24
  25 /*
  26  * Fudgefactor required for open tdb's, etc.
  27  */
  28
  29 #ifndef MAX_OPEN_FUDGEFACTOR
  30 #define MAX_OPEN_FUDGEFACTOR 20
  31 #endif
  32
  33 /*
  34  * Minimum number of open files needed for Windows7 to
  35  * work correctly. A little conservative but better that
  36  * than run out of fd's.
  37  */
  38
  39 #ifndef MIN_OPEN_FILES_WINDOWS
  40 #define MIN_OPEN_FILES_WINDOWS 16384
  41 #endif
  42
  43 /*
  44  * Default number of maximum open files per smbd. This is
  45  * also limited by the maximum available file descriptors
  46  * per process and can also be set in smb.conf as "max open files"
  47  * in the [global] section.
  48  */
  49
  50 #ifndef MAX_OPEN_FILES
  51 #define MAX_OPEN_FILES (MIN_OPEN_FILES_WINDOWS + MAX_OPEN_FUDGEFACTOR)
  52 #endif
  53
  54 #define WORDMAX 0xFFFF
  55
  56 /* the maximum password length before we declare a likely attack */
  57 #define MAX_PASS_LEN 200
  58
  59 /* separators for lists */
  60 #define LIST_SEP " \t,;\n\r"
  61
  62 /* wchar separators for lists */
  63 #define LIST_SEP_W wchar_list_sep
  64
  65 /* this is where browse lists are kept in the lock dir */
  66 #define SERVER_LIST "browse.dat"
  67
  68 /* shall filenames with illegal chars in them get mangled in long
  69    filename listings? */
  70 #define MANGLE_LONG_FILENAMES
  71
  72 /* define this if you want to stop spoofing with .. and soft links
  73    NOTE: This also slows down the server considerably */
  74 #define REDUCE_PATHS
  75
  76 /* the size of the directory cache */
  77 #define DIRCACHESIZE 20
  78
  79 /* what default type of filesystem do we want this to show up as in a
  80    NT file manager window? */
  81 #define FSTYPE_STRING "NTFS"
  82
  83 /* the default guest account - normally set in the Makefile or smb.conf */
  84 #ifndef GUEST_ACCOUNT
  85 #define GUEST_ACCOUNT "nobody"
  86 #endif
  87
  88 /* user to test password server with as invalid in security=server mode. */
  89 #ifndef INVALID_USER_PREFIX
  90 #define INVALID_USER_PREFIX "sambatest"
  91 #endif
  92
  93 /* the default pager to use for the client "more" command. Users can
  94    override this with the PAGER environment variable */
  95 #ifndef PAGER
  96 #define PAGER "more"
  97 #endif
  98
  99 /* the size of the uid cache used to reduce valid user checks */
 100 #define VUID_CACHE_SIZE 32
 101
 102 /* the following control timings of various actions. Don't change
 103    them unless you know what you are doing. These are all in seconds */
 104 #define DEFAULT_SMBD_TIMEOUT (60*60*24*7)
 105 #define SMBD_RELOAD_CHECK (180)
 106 #define IDLE_CLOSED_TIMEOUT (60)
 107 #define DPTR_IDLE_TIMEOUT (120)
 108 #define SMBD_SELECT_TIMEOUT (60)
 109 #define NMBD_SELECT_LOOP (10)
 110 #define BROWSE_INTERVAL (60)
 111 #define REGISTRATION_INTERVAL (10*60)
 112 #define NMBD_INETD_TIMEOUT (120)
 113 #define NMBD_MAX_TTL (24*60*60)
 114 #define LPQ_LOCK_TIMEOUT (5)
 115 #define NMBD_INTERFACES_RELOAD (120)
 116 #define NMBD_UNEXPECTED_TIMEOUT (15)
 117 #define SMBD_HOUSEKEEPING_INTERVAL SMBD_SELECT_TIMEOUT
 118
 119 /* the following are in milliseconds */
 120 #define LOCK_RETRY_TIMEOUT (100)
 121
 122 /* do you want to dump core (carefully!) when an internal error is
 123    encountered? Samba will be careful to make the core file only
 124    accessible to root */
 125 #define DUMP_CORE 1
 126
 127 /* shall we support browse requests via a FIFO to nmbd? */
 128 #define ENABLE_FIFO 1
 129
 130 /* how long (in miliseconds) to wait for a socket connect to happen */
 131 #define LONG_CONNECT_TIMEOUT 30000
 132 #define SHORT_CONNECT_TIMEOUT 5000
 133
 134 /* the default netbios keepalive timeout */
 135 #define DEFAULT_KEEPALIVE 300
 136
 137 /* the directory to sit in when idle */
 138 /* #define IDLE_DIR "/" */
 139
 140 /* Timout (in seconds) to wait for an oplock break
 141    message to return from the client. */
 142
 143 #define OPLOCK_BREAK_TIMEOUT 30
 144
 145 /* Timout (in seconds) to add to the oplock break timeout
 146    to wait for the smbd to smbd message to return. */
 147
 148 #define OPLOCK_BREAK_TIMEOUT_FUDGEFACTOR 2
 149
 150 /* the read preciction code has been disabled until some problems with
 151    it are worked out */
 152 #define USE_READ_PREDICTION 0
 153
 154 /* Minimum length of allowed password when changing UNIX password. */
 155 #define MINPASSWDLENGTH 5
 156
 157 /* maximum ID number used for session control. This cannot be larger
 158    than 62*62 for the current code */
 159 #define MAX_SESSION_ID 3000
 160
 161 /* For the benifit of PAM and the 'session exec' scripts, we fake up a terminal
 162    name. This can be in one of two forms:  The first for systems not using
 163    utmp (and therefore not constrained as to length or the need for a number
 164    < 3000 or so) and the second for systems with this 'well behaved terminal
 165    like name' constraint.
 166 */
 167
 168 #ifndef SESSION_TEMPLATE
 169 /* Paramaters are 'pid' and 'vuid' */
 170 #define SESSION_TEMPLATE "smb/%lu/%llu"
 171 #endif
 172
 173 #ifndef SESSION_UTMP_TEMPLATE
 174 #define SESSION_UTMP_TEMPLATE "smb/%d"
 175 #endif
 176
 177 /* the maximum age in seconds of a password. Should be a lp_ parameter */
 178 #define MAX_PASSWORD_AGE (21*24*60*60)
 179
 180 /* Default allocation roundup. */
 181 #define SMB_ROUNDUP_ALLOCATION_SIZE 0x100000
 182
 183 /* shall we deny oplocks to clients that get timeouts? */
 184 #define FASCIST_OPLOCK_BACKOFF 1
 185
 186 /* this enables the "rabbit pellet" fix for SMBwritebraw */
 187 #define RABBIT_PELLET_FIX 1
 188
 189 /* Max number of open RPC pipes. */
 190 #define MAX_OPEN_PIPES 2048
 191
 192 /* Tuning for server auth mutex. */
 193 #define CLI_AUTH_TIMEOUT 5000 /* In milli-seconds. */
 194 #define NUM_CLI_AUTH_CONNECT_RETRIES 3
 195 /* Number in seconds to wait for the mutex. This must be less than 30 seconds. */
 196 #define SERVER_MUTEX_WAIT_TIME ( ((NUM_CLI_AUTH_CONNECT_RETRIES) * ((CLI_AUTH_TIMEOUT)/1000)) + 5)
 197 /* Number in seconds for winbindd to wait for the mutex. Make this 2 * smbd wait time. */
 198 #define WINBIND_SERVER_MUTEX_WAIT_TIME (( ((NUM_CLI_AUTH_CONNECT_RETRIES) * ((CLI_AUTH_TIMEOUT)/1000)) + 5)*2)
 199
 200 /* Buffer size to use when printing backtraces */
 201 #define BACKTRACE_STACK_SIZE 64
 202
 203 /* size of listen() backlog in smbd */
 204 #define SMBD_LISTEN_BACKLOG 50
 205
 206 /* Number of microseconds to wait before a sharing violation. */
 207 #define SHARING_VIOLATION_USEC_WAIT 950000
 208
 209 /* Number of microseconds to wait before a updating the write time (2 secs). */
 210 #define WRITE_TIME_UPDATE_USEC_DELAY 2000000
 211
 212 #define MAX_LDAP_REPLICATION_SLEEP_TIME 5000 /* In milliseconds. */
 213
 214 /* tdb hash size for the open database. */
 215 #define SMB_OPEN_DATABASE_TDB_HASH_SIZE 10007
 216
 217 /* Characters we disallow in sharenames. */
 218 #define INVALID_SHARENAME_CHARS "%<>*?|/\\+=;:\","
 219
 220 /* Seconds between connection attempts to a remote server. */
 221 #define FAILED_CONNECTION_CACHE_TIMEOUT (LONG_CONNECT_TIMEOUT * 2 / 1000)
 222
 223 /* Default hash size for the winbindd cache. */
 224 #define WINBINDD_CACHE_TDB_DEFAULT_HASH_SIZE 5000
 225
 226 /* Windows minimum lock resolution timeout in ms */
 227 #define WINDOWS_MINIMUM_LOCK_TIMEOUT_MS 200
 228
 229 /* Maximum size of RPC data we will accept for one call. */
 230 #define MAX_RPC_DATA_SIZE (15*1024*1024)
 231
 232 #define CLIENT_NDR_PADDING_SIZE 8
 233 #define SERVER_NDR_PADDING_SIZE 8
 234
 235 #define DEFAULT_SMB2_MAX_READ (1024*1024)
 236 #define DEFAULT_SMB2_MAX_WRITE (1024*1024)
 237 #define DEFAULT_SMB2_MAX_TRANSACT (1024*1024)
 238 #define DEFAULT_SMB2_MAX_CREDITS 8192
 239 #define DEFAULT_SMB2_MAX_CREDIT_BITMAP_FACTOR 2
 240
 241 #endif