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Top Forums UNIX for Dummies Questions & Answers Communicate to the OS(linux) using front end. Post 302424302 by pinga123 on Tuesday 25th of May 2010 02:03:23 AM
Old 05-25-2010
Quote:
Originally Posted by pludi
Usually, that's a Bad Idea™. If you have to do it, only allow a few fixed static commands, allowing no user input.

If you have to accept user input be very restrictive about it, and check it for disallowed commands. Since any command will run with the ID of the web server, one malicious user can destroy the whole website, or even the system itself (it takes only one "Bobby Tables").

Once you've checked everything, call Runtime.getruntime().exec()
What if i want to execute them with different user id.
 

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GIT-WEB--BROWSE(1)						    Git Manual							GIT-WEB--BROWSE(1)

NAME
git-web--browse - Git helper script to launch a web browser SYNOPSIS
git web--browse [OPTIONS] URL/FILE ... DESCRIPTION
This script tries, as much as possible, to display the URLs and FILEs that are passed as arguments, as HTML pages in new tabs on an already opened web browser. The following browsers (or commands) are currently supported: o firefox (this is the default under X Window when not using KDE) o iceweasel o seamonkey o iceape o chromium (also supported as chromium-browser) o google-chrome (also supported as chrome) o konqueror (this is the default under KDE, see Note about konqueror below) o opera o w3m (this is the default outside graphical environments) o elinks o links o lynx o dillo o open (this is the default under Mac OS X GUI) o start (this is the default under MinGW) o cygstart (this is the default under Cygwin) o xdg-open Custom commands may also be specified. OPTIONS
-b <browser>, --browser=<browser> Use the specified browser. It must be in the list of supported browsers. -t <browser>, --tool=<browser> Same as above. -c <conf.var>, --config=<conf.var> CONF.VAR is looked up in the Git config files. If it's set, then its value specifies the browser that should be used. CONFIGURATION VARIABLES
CONF.VAR (from -c option) and web.browser The web browser can be specified using a configuration variable passed with the -c (or --config) command line option, or the web.browser configuration variable if the former is not used. browser.<tool>.path You can explicitly provide a full path to your preferred browser by setting the configuration variable browser.<tool>.path. For example, you can configure the absolute path to firefox by setting browser.firefox.path. Otherwise, git web--browse assumes the tool is available in PATH. browser.<tool>.cmd When the browser, specified by options or configuration variables, is not among the supported ones, then the corresponding browser.<tool>.cmd configuration variable will be looked up. If this variable exists then git web--browse will treat the specified tool as a custom command and will use a shell eval to run the command with the URLs passed as arguments. NOTE ABOUT KONQUEROR
When konqueror is specified by a command line option or a configuration variable, we launch kfmclient to try to open the HTML man page on an already opened konqueror in a new tab if possible. For consistency, we also try such a trick if browser.konqueror.path is set to something like A_PATH_TO/konqueror. That means we will try to launch A_PATH_TO/kfmclient instead. If you really want to use konqueror, then you can use something like the following: [web] browser = konq [browser "konq"] cmd = A_PATH_TO/konqueror Note about git-config --global Note that these configuration variables should probably be set using the --global flag, for example like this: $ git config --global web.browser firefox as they are probably more user specific than repository specific. See git-config(1) for more information about this. GIT
Part of the git(1) suite Git 1.8.5.3 01/14/2014 GIT-WEB--BROWSE(1)
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