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T-024: Vulnerability in Server Message Block (SMB)
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MOUNT_SMBFS(8) BSD System Manager's Manual MOUNT_SMBFS(8) NAME
mount_smbfs -- mount a shared resource from an SMB file server SYNOPSIS
mount_smbfs [-N] [-o options] [-d mode] [-f mode] [-h] //[domain;][user[:password]@]server[/share] path DESCRIPTION
The mount_smbfs command mounts a share from a remote server using SMB/CIFS protocol. The options are as follows: -N Do not ask for a password. At run time, mount_smbfs reads the ~/Library/Preferences/nsmb.conf file for additional configuration parameters and a password. If no password is found, mount_smbfs prompts for it. -o Options passed to mount(2) are specified with the -o option followed by a comma separated string of options. See the mount(8) man page for possible options and their meanings. Additional options supported by the mount_smbfs are as follows: nobrowse Indicate to the Carbon subsystem that this volume is not to be displayed to the user. automounted Set flags on the mountpoint to indicate that the volume has been mounted by the automounter. nostreams Don't use NTFS Streams even if they are supported by the server. soft Make the mount soft. Fail file system calls after a number of seconds. nonotification Turn off using notifications for this volume. -f mode, -d mode Specify permissions that should be assigned to files and directories. The values must be specified as octal numbers. Default value for the file mode is taken from mount point, default value for the directory mode adds execute permission where the file mode gives read permission. Note that these permissions can differ from the rights granted by SMB server. -h Prints a help message, much like the SYNOPSIS above. //[domain;][user[password]@] server[/share] The mount_smbfs command will use server as the NetBIOS name of remote computer, user as the remote user name and share as the resource name on a remote server. Domain and/or password may be specified here. If user is omitted the logged in user id will be used. Omitting share is an error when mount_smbfs is run from the command line, otherwise a browsing dialogue is presented. path Path to mount point. FILES
nsmb.conf Keeps static parameters for connections and other information. See man nsmb.conf for details. EXAMPLES
This example shows the proper url to use to mount the share PUBLIC from the SMB server myserver : mkdir /smb/public mount -t smbfs //username:userpass@myserver/PUBLIC /smb/public This example shows the proper url to use to mount the share PUBLIC from the SMB server myserver as guest: mkdir /smb/public mount -t smbfs //guest:@myserver/PUBLIC /smb/public Note: You should always use the system mount command and never call mount_smbfs directly. SEE ALSO
mount(2), nsmb.conf(5), mount(8), umount(8) BUGS
Please report bugs to Apple. AUTHORS
Boris Popov <bp@butya.kz>, <bp@FreeBSD.org> FreeBSD March 10, 2000 FreeBSD
