| 1 | .\" Title: smbcacls
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| 2 | .\" Author: [see the "AUTHOR" section]
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| 3 | .\" Generator: DocBook XSL Stylesheets v1.74.0 <http://docbook.sf.net/>
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| 4 | .\" Date: 06/18/2010
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| 5 | .\" Manual: User Commands
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| 6 | .\" Source: Samba 3.5
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| 7 | .\" Language: English
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| 8 | .\"
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| 9 | .TH "SMBCACLS" "1" "06/18/2010" "Samba 3\&.5" "User Commands"
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| 159 | .\" -----------------------------------------------------------------
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| 160 | .\" * set default formatting
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| 161 | .\" -----------------------------------------------------------------
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| 162 | .\" disable hyphenation
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| 165 | .ad l
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| 166 | .\" -----------------------------------------------------------------
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| 167 | .\" * MAIN CONTENT STARTS HERE *
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| 168 | .\" -----------------------------------------------------------------
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| 169 | .SH "Name"
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| 170 | smbcacls \- Set or get ACLs on an NT file or directory names
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| 171 | .SH "Synopsis"
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| 172 | .fam C
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| 173 | .HP \w'\ 'u
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| 174 | \FCsmbcacls\F[] {//server/share} {filename} [\-D\ acls] [\-M\ acls] [\-a\ acls] [\-S\ acls] [\-C\ name] [\-G\ name] [\-\-numeric] [\-t] [\-U\ username] [\-h] [\-d]
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| 175 | .fam
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| 176 | .SH "DESCRIPTION"
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| 177 | .PP
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| 178 | This tool is part of the
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| 179 | \fBsamba\fR(7)
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| 180 | suite\&.
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| 181 | .PP
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| 182 | The
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| 183 | \FCsmbcacls\F[]
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| 184 | program manipulates NT Access Control Lists (ACLs) on SMB file shares\&.
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| 185 | .SH "OPTIONS"
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| 186 | .PP
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| 187 | The following options are available to the
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| 188 | \FCsmbcacls\F[]
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| 189 | program\&. The format of ACLs is described in the section ACL FORMAT
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| 190 | .PP
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| 191 | \-a|\-\-add acls
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| 192 | .RS 4
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| 193 | Add the ACLs specified to the ACL list\&. Existing access control entries are unchanged\&.
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| 194 | .RE
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| 195 | .PP
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| 196 | \-M|\-\-modify acls
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| 197 | .RS 4
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| 198 | Modify the mask value (permissions) for the ACLs specified on the command line\&. An error will be printed for each ACL specified that was not already present in the ACL list
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| 199 | .RE
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| 200 | .PP
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| 201 | \-D|\-\-delete acls
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| 202 | .RS 4
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| 203 | Delete any ACLs specified on the command line\&. An error will be printed for each ACL specified that was not already present in the ACL list\&.
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| 204 | .RE
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| 205 | .PP
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| 206 | \-S|\-\-set acls
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| 207 | .RS 4
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| 208 | This command sets the ACLs on the file with only the ones specified on the command line\&. All other ACLs are erased\&. Note that the ACL specified must contain at least a revision, type, owner and group for the call to succeed\&.
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| 209 | .RE
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| 210 | .PP
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| 211 | \-C|\-\-chown name
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| 212 | .RS 4
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| 213 | The owner of a file or directory can be changed to the name given using the
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| 214 | \fI\-C\fR
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| 215 | option\&. The name can be a sid in the form S\-1\-x\-y\-z or a name resolved against the server specified in the first argument\&.
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| 216 | .sp
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| 217 | This command is a shortcut for \-M OWNER:name\&.
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| 218 | .RE
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| 219 | .PP
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| 220 | \-G|\-\-chgrp name
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| 221 | .RS 4
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| 222 | The group owner of a file or directory can be changed to the name given using the
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| 223 | \fI\-G\fR
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| 224 | option\&. The name can be a sid in the form S\-1\-x\-y\-z or a name resolved against the server specified n the first argument\&.
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| 225 | .sp
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| 226 | This command is a shortcut for \-M GROUP:name\&.
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| 227 | .RE
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| 228 | .PP
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| 229 | \-\-numeric
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| 230 | .RS 4
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| 231 | This option displays all ACL information in numeric format\&. The default is to convert SIDs to names and ACE types and masks to a readable string format\&.
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| 232 | .RE
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| 233 | .PP
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| 234 | \-t|\-\-test\-args
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| 235 | .RS 4
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| 236 | Don\'t actually do anything, only validate the correctness of the arguments\&.
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| 237 | .RE
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| 238 | .PP
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| 239 | \-h|\-\-help
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| 240 | .RS 4
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| 241 | Print a summary of command line options\&.
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| 242 | .RE
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| 243 | .PP
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| 244 | \-d|\-\-debuglevel=level
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| 245 | .RS 4
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| 246 | \fIlevel\fR
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| 247 | is an integer from 0 to 10\&. The default value if this parameter is not specified is 0\&.
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| 248 | .sp
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| 249 | The higher this value, the more detail will be logged to the log files about the activities of the server\&. At level 0, only critical errors and serious warnings will be logged\&. Level 1 is a reasonable level for day\-to\-day running \- it generates a small amount of information about operations carried out\&.
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| 250 | .sp
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| 251 | Levels above 1 will generate considerable amounts of log data, and should only be used when investigating a problem\&. Levels above 3 are designed for use only by developers and generate HUGE amounts of log data, most of which is extremely cryptic\&.
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| 252 | .sp
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| 253 | Note that specifying this parameter here will override the
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| 254 | \m[blue]\fB\%smb.conf.5.html#\fR\m[]
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| 255 | parameter in the
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| 256 | \FCsmb\&.conf\F[]
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| 257 | file\&.
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| 258 | .RE
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| 259 | .PP
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| 260 | \-V|\-\-version
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| 261 | .RS 4
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| 262 | Prints the program version number\&.
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| 263 | .RE
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| 264 | .PP
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| 265 | \-s|\-\-configfile <configuration file>
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| 266 | .RS 4
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| 267 | The file specified contains the configuration details required by the server\&. The information in this file includes server\-specific information such as what printcap file to use, as well as descriptions of all the services that the server is to provide\&. See
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| 268 | \FCsmb\&.conf\F[]
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| 269 | for more information\&. The default configuration file name is determined at compile time\&.
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| 270 | .RE
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| 271 | .PP
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| 272 | \-l|\-\-log\-basename=logdirectory
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| 273 | .RS 4
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| 274 | Base directory name for log/debug files\&. The extension
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| 275 | \fB"\&.progname"\fR
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| 276 | will be appended (e\&.g\&. log\&.smbclient, log\&.smbd, etc\&.\&.\&.)\&. The log file is never removed by the client\&.
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| 277 | .RE
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| 278 | .PP
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| 279 | \-N|\-\-no\-pass
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| 280 | .RS 4
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| 281 | If specified, this parameter suppresses the normal password prompt from the client to the user\&. This is useful when accessing a service that does not require a password\&.
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| 282 | .sp
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| 283 | Unless a password is specified on the command line or this parameter is specified, the client will request a password\&.
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| 284 | .sp
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| 285 | If a password is specified on the command line and this option is also defined the password on the command line will be silently ingnored and no password will be used\&.
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| 286 | .RE
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| 287 | .PP
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| 288 | \-k|\-\-kerberos
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| 289 | .RS 4
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| 290 | Try to authenticate with kerberos\&. Only useful in an Active Directory environment\&.
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| 291 | .RE
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| 292 | .PP
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| 293 | \-C|\-\-use\-ccache
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| 294 | .RS 4
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| 295 | Try to use the credentials cached by winbind\&.
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| 296 | .RE
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| 297 | .PP
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| 298 | \-A|\-\-authentication\-file=filename
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| 299 | .RS 4
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| 300 | This option allows you to specify a file from which to read the username and password used in the connection\&. The format of the file is
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| 301 | .sp
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| 302 | .if n \{\
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| 303 | .RS 4
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| 304 | .\}
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| 305 | .fam C
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| 306 | .ps -1
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| 307 | .nf
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| 308 | .if t \{\
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| 309 | .sp -1
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| 310 | .\}
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| 311 | .BB lightgray adjust-for-leading-newline
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| 312 | .sp -1
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| 313 |
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| 314 | username = <value>
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| 315 | password = <value>
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| 316 | domain = <value>
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| 317 | .EB lightgray adjust-for-leading-newline
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| 318 | .if t \{\
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| 319 | .sp 1
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| 320 | .\}
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| 321 | .fi
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| 322 | .fam
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| 323 | .ps +1
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| 324 | .if n \{\
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| 325 | .RE
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| 326 | .\}
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| 327 | .sp
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| 328 | Make certain that the permissions on the file restrict access from unwanted users\&.
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| 329 | .RE
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| 330 | .PP
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| 331 | \-U|\-\-user=username[%password]
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| 332 | .RS 4
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| 333 | Sets the SMB username or username and password\&.
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| 334 | .sp
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| 335 | If %password is not specified, the user will be prompted\&. The client will first check the
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| 336 | \fBUSER\fR
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| 337 | environment variable, then the
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| 338 | \fBLOGNAME\fR
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| 339 | variable and if either exists, the string is uppercased\&. If these environmental variables are not found, the username
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| 340 | \fBGUEST\fR
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| 341 | is used\&.
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| 342 | .sp
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| 343 | A third option is to use a credentials file which contains the plaintext of the username and password\&. This option is mainly provided for scripts where the admin does not wish to pass the credentials on the command line or via environment variables\&. If this method is used, make certain that the permissions on the file restrict access from unwanted users\&. See the
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| 344 | \fI\-A\fR
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| 345 | for more details\&.
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| 346 | .sp
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| 347 | Be cautious about including passwords in scripts\&. Also, on many systems the command line of a running process may be seen via the
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| 348 | \FCps\F[]
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| 349 | command\&. To be safe always allow
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| 350 | \FCrpcclient\F[]
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| 351 | to prompt for a password and type it in directly\&.
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| 352 | .RE
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| 353 | .SH "ACL FORMAT"
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| 354 | .PP
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| 355 | The format of an ACL is one or more ACL entries separated by either commas or newlines\&. An ACL entry is one of the following:
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| 356 | .PP
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| 357 | .if n \{\
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| 358 | .RS 4
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| 359 | .\}
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| 360 | .fam C
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| 361 | .ps -1
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| 362 | .nf
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| 363 | .BB lightgray
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| 364 |
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| 365 | REVISION:<revision number>
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| 366 | OWNER:<sid or name>
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| 367 | GROUP:<sid or name>
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| 368 | ACL:<sid or name>:<type>/<flags>/<mask>
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| 369 | .EB lightgray
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| 370 | .fi
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| 371 | .fam
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| 372 | .ps +1
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| 373 | .if n \{\
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| 374 | .RE
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| 375 | .\}
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| 376 | .PP
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| 377 | The revision of the ACL specifies the internal Windows NT ACL revision for the security descriptor\&. If not specified it defaults to 1\&. Using values other than 1 may cause strange behaviour\&.
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| 378 | .PP
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| 379 | The owner and group specify the owner and group sids for the object\&. If a SID in the format S\-1\-x\-y\-z is specified this is used, otherwise the name specified is resolved using the server on which the file or directory resides\&.
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| 380 | .PP
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| 381 | ACLs specify permissions granted to the SID\&. This SID again can be specified in S\-1\-x\-y\-z format or as a name in which case it is resolved against the server on which the file or directory resides\&. The type, flags and mask values determine the type of access granted to the SID\&.
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| 382 | .PP
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| 383 | The type can be either ALLOWED or DENIED to allow/deny access to the SID\&. The flags values are generally zero for file ACLs and either 9 or 2 for directory ACLs\&. Some common flags are:
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| 384 | .sp
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| 385 | .RS 4
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| 386 | .ie n \{\
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| 387 | \h'-04'\(bu\h'+03'\c
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| 388 | .\}
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| 389 | .el \{\
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| 390 | .sp -1
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| 391 | .IP \(bu 2.3
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| 392 | .\}
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| 393 | \fB#define SEC_ACE_FLAG_OBJECT_INHERIT 0x1\fR
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| 394 | .RE
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| 395 | .sp
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| 396 | .RS 4
|
|---|
| 397 | .ie n \{\
|
|---|
| 398 | \h'-04'\(bu\h'+03'\c
|
|---|
| 399 | .\}
|
|---|
| 400 | .el \{\
|
|---|
| 401 | .sp -1
|
|---|
| 402 | .IP \(bu 2.3
|
|---|
| 403 | .\}
|
|---|
| 404 | \fB#define SEC_ACE_FLAG_CONTAINER_INHERIT 0x2\fR
|
|---|
| 405 | .RE
|
|---|
| 406 | .sp
|
|---|
| 407 | .RS 4
|
|---|
| 408 | .ie n \{\
|
|---|
| 409 | \h'-04'\(bu\h'+03'\c
|
|---|
| 410 | .\}
|
|---|
| 411 | .el \{\
|
|---|
| 412 | .sp -1
|
|---|
| 413 | .IP \(bu 2.3
|
|---|
| 414 | .\}
|
|---|
| 415 | \fB#define SEC_ACE_FLAG_NO_PROPAGATE_INHERIT 0x4\fR
|
|---|
| 416 | .RE
|
|---|
| 417 | .sp
|
|---|
| 418 | .RS 4
|
|---|
| 419 | .ie n \{\
|
|---|
| 420 | \h'-04'\(bu\h'+03'\c
|
|---|
| 421 | .\}
|
|---|
| 422 | .el \{\
|
|---|
| 423 | .sp -1
|
|---|
| 424 | .IP \(bu 2.3
|
|---|
| 425 | .\}
|
|---|
| 426 | \fB#define SEC_ACE_FLAG_INHERIT_ONLY 0x8\fR
|
|---|
| 427 | .sp
|
|---|
| 428 | .RE
|
|---|
| 429 | .PP
|
|---|
| 430 | At present flags can only be specified as decimal or hexadecimal values\&.
|
|---|
| 431 | .PP
|
|---|
| 432 | The mask is a value which expresses the access right granted to the SID\&. It can be given as a decimal or hexadecimal value, or by using one of the following text strings which map to the NT file permissions of the same name\&.
|
|---|
| 433 | .sp
|
|---|
| 434 | .RS 4
|
|---|
| 435 | .ie n \{\
|
|---|
| 436 | \h'-04'\(bu\h'+03'\c
|
|---|
| 437 | .\}
|
|---|
| 438 | .el \{\
|
|---|
| 439 | .sp -1
|
|---|
| 440 | .IP \(bu 2.3
|
|---|
| 441 | .\}
|
|---|
| 442 | \fIR\fR
|
|---|
| 443 | \- Allow read access
|
|---|
| 444 | .RE
|
|---|
| 445 | .sp
|
|---|
| 446 | .RS 4
|
|---|
| 447 | .ie n \{\
|
|---|
| 448 | \h'-04'\(bu\h'+03'\c
|
|---|
| 449 | .\}
|
|---|
| 450 | .el \{\
|
|---|
| 451 | .sp -1
|
|---|
| 452 | .IP \(bu 2.3
|
|---|
| 453 | .\}
|
|---|
| 454 | \fIW\fR
|
|---|
| 455 | \- Allow write access
|
|---|
| 456 | .RE
|
|---|
| 457 | .sp
|
|---|
| 458 | .RS 4
|
|---|
| 459 | .ie n \{\
|
|---|
| 460 | \h'-04'\(bu\h'+03'\c
|
|---|
| 461 | .\}
|
|---|
| 462 | .el \{\
|
|---|
| 463 | .sp -1
|
|---|
| 464 | .IP \(bu 2.3
|
|---|
| 465 | .\}
|
|---|
| 466 | \fIX\fR
|
|---|
| 467 | \- Execute permission on the object
|
|---|
| 468 | .RE
|
|---|
| 469 | .sp
|
|---|
| 470 | .RS 4
|
|---|
| 471 | .ie n \{\
|
|---|
| 472 | \h'-04'\(bu\h'+03'\c
|
|---|
| 473 | .\}
|
|---|
| 474 | .el \{\
|
|---|
| 475 | .sp -1
|
|---|
| 476 | .IP \(bu 2.3
|
|---|
| 477 | .\}
|
|---|
| 478 | \fID\fR
|
|---|
| 479 | \- Delete the object
|
|---|
| 480 | .RE
|
|---|
| 481 | .sp
|
|---|
| 482 | .RS 4
|
|---|
| 483 | .ie n \{\
|
|---|
| 484 | \h'-04'\(bu\h'+03'\c
|
|---|
| 485 | .\}
|
|---|
| 486 | .el \{\
|
|---|
| 487 | .sp -1
|
|---|
| 488 | .IP \(bu 2.3
|
|---|
| 489 | .\}
|
|---|
| 490 | \fIP\fR
|
|---|
| 491 | \- Change permissions
|
|---|
| 492 | .RE
|
|---|
| 493 | .sp
|
|---|
| 494 | .RS 4
|
|---|
| 495 | .ie n \{\
|
|---|
| 496 | \h'-04'\(bu\h'+03'\c
|
|---|
| 497 | .\}
|
|---|
| 498 | .el \{\
|
|---|
| 499 | .sp -1
|
|---|
| 500 | .IP \(bu 2.3
|
|---|
| 501 | .\}
|
|---|
| 502 | \fIO\fR
|
|---|
| 503 | \- Take ownership
|
|---|
| 504 | .sp
|
|---|
| 505 | .RE
|
|---|
| 506 | .PP
|
|---|
| 507 | The following combined permissions can be specified:
|
|---|
| 508 | .sp
|
|---|
| 509 | .RS 4
|
|---|
| 510 | .ie n \{\
|
|---|
| 511 | \h'-04'\(bu\h'+03'\c
|
|---|
| 512 | .\}
|
|---|
| 513 | .el \{\
|
|---|
| 514 | .sp -1
|
|---|
| 515 | .IP \(bu 2.3
|
|---|
| 516 | .\}
|
|---|
| 517 | \fIREAD\fR
|
|---|
| 518 | \- Equivalent to \'RX\' permissions
|
|---|
| 519 | .RE
|
|---|
| 520 | .sp
|
|---|
| 521 | .RS 4
|
|---|
| 522 | .ie n \{\
|
|---|
| 523 | \h'-04'\(bu\h'+03'\c
|
|---|
| 524 | .\}
|
|---|
| 525 | .el \{\
|
|---|
| 526 | .sp -1
|
|---|
| 527 | .IP \(bu 2.3
|
|---|
| 528 | .\}
|
|---|
| 529 | \fICHANGE\fR
|
|---|
| 530 | \- Equivalent to \'RXWD\' permissions
|
|---|
| 531 | .RE
|
|---|
| 532 | .sp
|
|---|
| 533 | .RS 4
|
|---|
| 534 | .ie n \{\
|
|---|
| 535 | \h'-04'\(bu\h'+03'\c
|
|---|
| 536 | .\}
|
|---|
| 537 | .el \{\
|
|---|
| 538 | .sp -1
|
|---|
| 539 | .IP \(bu 2.3
|
|---|
| 540 | .\}
|
|---|
| 541 | \fIFULL\fR
|
|---|
| 542 | \- Equivalent to \'RWXDPO\' permissions
|
|---|
| 543 | .SH "EXIT STATUS"
|
|---|
| 544 | .PP
|
|---|
| 545 | The
|
|---|
| 546 | \FCsmbcacls\F[]
|
|---|
| 547 | program sets the exit status depending on the success or otherwise of the operations performed\&. The exit status may be one of the following values\&.
|
|---|
| 548 | .PP
|
|---|
| 549 | If the operation succeeded, smbcacls returns and exit status of 0\&. If
|
|---|
| 550 | \FCsmbcacls\F[]
|
|---|
| 551 | couldn\'t connect to the specified server, or there was an error getting or setting the ACLs, an exit status of 1 is returned\&. If there was an error parsing any command line arguments, an exit status of 2 is returned\&.
|
|---|
| 552 | .SH "VERSION"
|
|---|
| 553 | .PP
|
|---|
| 554 | This man page is correct for version 3 of the Samba suite\&.
|
|---|
| 555 | .SH "AUTHOR"
|
|---|
| 556 | .PP
|
|---|
| 557 | The original Samba software and related utilities were created by Andrew Tridgell\&. Samba is now developed by the Samba Team as an Open Source project similar to the way the Linux kernel is developed\&.
|
|---|
| 558 | .PP
|
|---|
| 559 | \FCsmbcacls\F[]
|
|---|
| 560 | was written by Andrew Tridgell and Tim Potter\&.
|
|---|
| 561 | .PP
|
|---|
| 562 | The conversion to DocBook for Samba 2\&.2 was done by Gerald Carter\&. The conversion to DocBook XML 4\&.2 for Samba 3\&.0 was done by Alexander Bokovoy\&.
|
|---|
