diff options
Diffstat (limited to 'doc/s6-applyuidgid.html')
| -rw-r--r-- | doc/s6-applyuidgid.html | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/doc/s6-applyuidgid.html b/doc/s6-applyuidgid.html new file mode 100644 index 0000000..9b4293e --- /dev/null +++ b/doc/s6-applyuidgid.html @@ -0,0 +1,63 @@ +<html> + <head> + <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" /> + <meta http-equiv="Content-Language" content="en" /> + <title>s6: the s6-applyuidgid program</title> + <meta name="Description" content="s6: the s6-applyuidgid program" /> + <meta name="Keywords" content="s6 command s6-applyuidgid uid gid groups privilege dropping loss user change su" /> + <!-- <link rel="stylesheet" type="text/css" href="http://skarnet.org/default.css" /> --> + </head> +<body> + +<p> +<a href="index.html">s6</a><br /> +<a href="http://skarnet.org/software/">Software</a><br /> +<a href="http://skarnet.org/">skarnet.org</a> +</p> + +<h1> The s6-applyuidgid program </h1> + +<p> + s6-applyuidgid executes a program with reduced privileges. +</p> + +<h2> Interface </h2> + +<pre> + s6-applyuidgid [ -z ] [ -u <em>uid</em> ] [ -g <em>gid</em> ] [ -G <em>gidlist</em> ] [ -U ] <em>prog...</em> +</pre> + +<ul> + <li> s6-applyuidgid sets its uid, gid and supplementary group list to the +values given, then executes into <em>prog</em>. </li> +</ul> + +<h2> Options </h2> + +<ul> + <li> <tt>-u <em>uid</em></tt> : set the process' user ID to <em>uid</em> </li> + <li> <tt>-g <em>gid</em></tt> : set the process' group ID to <em>gid</em> </li> + <li> <tt>-G <em>gidlist</em></tt> : set the process' supplementary group list +to <em>gidlist</em>, which must be given as a comma-separated list of numeric GIDs, +without spaces. </li> + <li> <tt>-U</tt> : set the process' user ID, group ID and supplementary group list +to the values of the UID, GID and GIDLIST environment variables. If a <tt>-u</tt>, +<tt>-g</tt> or <tt>-G</tt> option is given after <tt>-U</tt>, the command line +value overrides the environment variable. </li> + <li> <tt>-z</tt> : unexport. The UID, GID and GIDLIST variables will be +removed from the process environment. </li> +</ul> + +<h2> Notes </h2> + +<ul> + <li> s6-applyuidgid can only be run as root. Its main use is to drop root privileges before +starting a daemon. </li> + <li> s6-applyuidgid is a more generic version of +<a href="s6-setuidgid.html">s6-setuidgid</a>. It is used as a command line +building block by some programs that rewrite their command line, such as +<a href="http://skarnet.org/software/s6-networking/s6-tcpserver.html">s6-tcpserver</a> </li> +</ul> + +</body> +</html> |