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Operating Systems OS X (Apple) rsync is changing permissions Post 302438716 by rlinsurf on Tuesday 20th of July 2010 01:18:03 PM
Old 07-20-2010
rsync is changing permissions

I have the following command. This is meant to download all files from my server to the Downloads folder of my startup drive:

Code:
/usr/local/bin/rsync -avve ssh --numeric-ids --delete --ignore-errors -R grndlvl@myserver.com:/usr/home/./grndlvl grndlvl@myserver.com:/usr/home/./grndlvl/mail_boxes/ grndlvl@myserver.com:/usr/home/./grndlvl/public_html/ /Volumes/'Macintosh HD'/Users/jeffrey/Downloads

This has always worked in the past, but now, I find that it's changing permissions for most of the directories so that a user called "_unknown" has rw, and Everyone has No access, and there are no other users. I even checked the permissions of one directory, which is all my mail boxes, and it has some weird "+" sign I've never seen before and can't be changed through the Finder, and I have no idea what chmod command would either create or eliminate it:
Code:
d-wxrw---x+   20 3004  1000      680 Feb  4 02:35 mail_boxes

As well, even when I do manually chmod the directories I am able to, the very next rsync changes them all back!

So what am I missing here?

Last edited by Yogesh Sawant; 12-10-2010 at 05:36 AM.. Reason: added code tags
 

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lshell(1)						      General Commands Manual							 lshell(1)

NAME
lshell - Limited Shell SYNOPSIS
lshell [OPTIONS] DESCRIPTION
lshell provides a limited shell configured per user. The configuration is done quite simply using a configuration file. Coupled with ssh's authorized_keys or with /etc/shells and /etc/passwd , it becomes very easy to restrict user's access to a limited set of command. OPTIONS
--config <FILE> Specify config file --log <DIR> Specify the log directory -h, --help Show help message --version Show version CONFIGURATION
You can configure lshell through its configuration file: On Linux -> /etc/lshell.conf On *BSD -> /usr/{pkg,local}/etc/lshell.conf lshell configuration has 4 types of sections: [global] -> lshell system configuration (only 1) [default] -> lshell default user configuration (only 1) [foo] -> UNIX username "foo" specific configuration [grp:bar] -> UNIX groupname "bar" specific configuration Order of priority when loading preferences is the following: 1- User configuration 2- Group configuration 3- Default configuration [global] logpath config path (default is /var/log/lshell/) loglevel 0, 1, 2, 3 or 4 (0: no logs -> 4: logs everything) logfilename - set to syslog in order to log to syslog - set log file name, e.g. %u-%y%m%d (i.e foo-20091009.log): %u -> username %d -> day [1..31] %m -> month [1..12] %y -> year [00..99] %h -> time [00:00..23:59] syslogname in case you are using syslog, set your logname (default: lshell) [default] and/or [username] and/or [grp:groupname] aliases command aliases list (similar to bash's alias directive) allowed a list of the allowed commands or set to 'all' to allow all commands in user's PATH allowed_cmd_path a list of path; all executable files inside these path will be allowed env_path update the environment variable $PATH of the user (optional) env_vars set environment variables (optional) forbidden a list of forbidden characters or commands history_file set the history filename. A wildcard can be used: %u -> username (e.g. '/home/%u/.lhistory') history_size set the maximum size (in lines) of the history file home_path (deprecated) set the home folder of your user. If not specified, the home directory is set to the $HOME environment variable. This variable will be removed in the next version of lshell, please use your system's tools to set a user's home directory. A wildcard can be used: %u -> username (e.g. '/home/%u') intro set the introduction to print at login passwd password of specific user (default is empty) path list of path to restrict the user geographically. It is possible to use wildcards (e.g. '/var/log/ap*'). prompt set the user's prompt format (default: username) %u -> username %h -> hostname prompt_short set sort prompt current directory update - set to 1 or 0 overssh list of command allowed to execute over ssh (e.g. rsync, rdiff- backup, scp, etc.) scp allow or forbid the use of scp connection - set to 1 or 0 scpforce force files sent through scp to a specific directory scp_download set to 0 to forbid scp downloads (default is 1) scp_upload set to 0 to forbid scp uploads (default is 1) sftp allow or forbid the use of sftp connection - set to 1 or 0 sudo_commands a list of the allowed commands that can be used with sudo(8) timer a value in seconds for the session timer strict logging strictness. If set to 1, any unknown command is considered as forbidden, and user's warning counter is decreased. If set to 0, command is considered as unknown, and user is only warned (i.e. *** unknown synthax) warning_counter number of warnings when user enters a forbidden value before getting exited from lshell. Set to -1 to disable the counter, and just warn the user. SHELL BUILTIN COMMANDS
Here is the set of commands that are always available with lshell: clear clears the terminal help, ? print the list of allowed commands history print the commands history lpath lists all allowed and forbidden path lsudo lists all sudo allowed commands EXAMPLES
$ lshell Tries to run lshell using default ${PREFIX}/etc/lshell.conf as configuration file. If it fails a warning is printed and lshell is interrupted. lshell options are loaded from the configuration file $ lshell --config /path/to/myconf.file --log /path/to/mylog.log This will override the default options specified for configuration and/or log file USE CASE
The primary goal of lshell, was to be able to create shell accounts with ssh access and restrict their environment to a couple a needed commands. In this example, User 'foo' and user 'bar' both belong to the 'users' UNIX group: User foo: - must be able to access /usr and /var but not /usr/local - user all command in his PATH but 'su' - has a warning counter set to 5 - has his home path set to '/home/users' User bar: - must be able to access /etc and /usr but not /usr/local - is allowed default commands plus 'ping' minus 'ls' - strictness is set to 1 (meaning he is not allowed to type an unknown command) In this case, my configuration file will look something like this: # CONFIURATION START [global] logpath : /var/log/lshell/ loglevel : 2 [default] allowed : ['ls','pwd'] forbidden : [';', '&', '|'] warning_counter : 2 timer : 0 path : ['/etc', '/usr'] env_path : ':/sbin:/usr/bin/' scp : 1 # or 0 sftp : 1 # or 0 overssh : ['rsync','ls'] aliases : {'ls':'ls --color=auto','ll':'ls -l'} [grp:users] warning_counter : 5 overssh : - ['ls'] [foo] allowed : 'all' - ['su'] path : ['/var', '/usr'] - ['/usr/local'] home_path : '/home/users' [bar] allowed : + ['ping'] - ['ls'] path : - ['/usr/local'] strict : 1 scpforce : '/home/bar/uploads/' # CONFIURATION END NOTES
In order to log a user's warnings into the logging directory (default /var/log/lshell/) , you must firt create the folder (if it doesn't exist yet) and chown it to lshell group: # addgroup --system lshell # mkdir /var/log/lshell # chown :lshell /var/log/lshell # chmod 770 /var/log/lshell then add the user to the lshell group: # usermod -aG lshell user_name In order to set lshell as default shell for a user: On Linux: # chsh -s /usr/bin/lshell user_name On *BSD: # chsh -s /usr/{pkg,local}/bin/lshell user_name AUTHOR
Currently maintained by Ignace Mouzannar (ghantoos) EMAIL
Feel free to send me your recommendations at <ghantoos@ghantoos.org> v0.9.15 March 13, 2012 lshell(1)
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