From a1510a1e71cafd7c6d20d407e77b1e1fc165475d Mon Sep 17 00:00:00 2001 From: Raphaƫl Pinson Date: Mon, 4 Mar 2013 23:37:57 +0100 Subject: Add missing documentation for validate_augeas and validate_cmd to README.markdown --- README.markdown | 55 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 55 insertions(+) diff --git a/README.markdown b/README.markdown index c58d31f..f1ac6b3 100644 --- a/README.markdown +++ b/README.markdown @@ -777,6 +777,38 @@ The following values will fail, causing compilation to abort: +- *Type*: statement + +validate_augeas +-------------- +Perform validation of a string using an Augeas lens +The first argument of this function should be a string to +test, and the second argument should be the name of the Augeas lens to use. +If Augeas fails to parse the string with the lens, the compilation will +abort with a parse error. + +A third argument can be specified, listing paths which should +not be found in the file. The `$file` variable points to the location +of the temporary file being tested in the Augeas tree. + +For example, if you want to make sure your passwd content never contains +a user `foo`, you could write: + + validate_augeas($passwdcontent, 'Passwd.lns', ['$file/foo']) + +Or if you wanted to ensure that no users used the '/bin/barsh' shell, +you could use: + + validate_augeas($passwdcontent, 'Passwd.lns', ['$file/*[shell="/bin/barsh"]'] + +If a fourth argument is specified, this will be the error message raised and +seen by the user. + +A helpful error message can be returned like this: + + validate_augeas($sudoerscontent, 'Sudoers.lns', [], 'Failed to validate sudoers content with Augeas') + + - *Type*: statement validate_bool @@ -799,6 +831,29 @@ The following values will fail, causing compilation to abort: +- *Type*: statement + + +validate_cmd +------------- +Perform validation of a string with an external command. +The first argument of this function should be a string to +test, and the second argument should be a path to a test command +taking a file as last argument. If the command, launched against +a tempfile containing the passed string, returns a non-null value, +compilation will abort with a parse error. + +If a third argument is specified, this will be the error message raised and +seen by the user. + +A helpful error message can be returned like this: + +Example: + + validate_cmd($sudoerscontent, '/usr/sbin/visudo -c -f', 'Visudo failed to validate sudoers content') + + + - *Type*: statement validate_hash -- cgit v1.2.3