Signed-off-by: Richard Haines <richard_c_haines@xxxxxxxxxxxxxx> --- src/x_windows.md | 52 ++++++++++++++++++++++++------------------------ 1 file changed, 26 insertions(+), 26 deletions(-) diff --git a/src/x_windows.md b/src/x_windows.md index 74edc62..86d93f9 100644 --- a/src/x_windows.md +++ b/src/x_windows.md @@ -1,13 +1,13 @@ # X-Windows SELinux Support -- [**Infrastructure Overview**](#infrastructure-overview) -- [**Polyinstantiation**](#polyinstantiation) -- [**Configuration Information**](#configuration-information) - - [**Enable/Disable the OM from Policy Decisions**](#enabledisable-the-om-from-policy-decisions) - - [**Configure OM Enforcement Mode**](#configure-om-enforcement-mode) - - [**Determine OM X-extension Opcode**](#determine-om-x-extension-opcode) - - [**The *x_contexts* File**](#the-x_contexts-file) -- [**SELinux Extension Functions**](#selinux-extension-functions) +- [Infrastructure Overview](#infrastructure-overview) +- [Polyinstantiation](#polyinstantiation) +- [Configuration Information](#configuration-information) + - [Enable/Disable the OM from Policy Decisions](#enabledisable-the-om-from-policy-decisions) + - [Configure OM Enforcement Mode](#configure-om-enforcement-mode) + - [Determine OM X-extension Opcode](#determine-om-x-extension-opcode) + - [The *x_contexts* File](#the-x_contexts-file) +- [SELinux Extension Functions](#selinux-extension-functions) The SELinux X-Windows (XSELinux) implementation provides fine grained access control over the majority of the X-server objects (known as @@ -116,10 +116,10 @@ of properties and selections. This section covers: -- How to enable/disable the OM X-extension. -- How to determine the OM X-extension opcode. -- How to configure the OM in a specific SELinux enforcement mode. -- The *x-contexts* configuration file. +- How to enable/disable the OM X-extension. +- How to determine the OM X-extension opcode. +- How to configure the OM in a specific SELinux enforcement mode. +- The *x-contexts* configuration file. ### Enable/Disable the OM from Policy Decisions @@ -148,9 +148,9 @@ If the X-server object manager needs to be run in a specific SELinux enforcement mode, then the option may be added to the *xorg.conf* file (normally in */etc/X11/xorg.conf.d*). The option entries are as follows: -- SELinux mode disabled -- SELinux mode permissive -- SELinux mode enforcing +- SELinux mode disabled +- SELinux mode permissive +- SELinux mode enforcing Note that the entry must be exact otherwise it will be ignored. An example entry is: @@ -222,17 +222,17 @@ the Xlib libraries (e.g. *XInternAtom*). **Notes:** -1. The way the XSELinux extension code works (see - *xselinux_label.c* - SELinuxAtomToSIDLookup()) is that non-poly - entries are searched for first, if an entry is not found then it - searches for a matching poly entry. The reason for this behavior is - that when operating in a secure environment all objects would be - polyinstantiated unless there are specific exemptions made for - individual objects to make them non-polyinstantiated. There would - then be a 'poly_selection' or 'poly_property' at the end of the section. -2. For systems using the Reference Policy all X-clients connecting - remotely will be allocated a security context from the *x_contexts* - file of: +1. The way the XSELinux extension code works (see + *xselinux_label.c* - SELinuxAtomToSIDLookup()) is that non-poly + entries are searched for first, if an entry is not found then it + searches for a matching poly entry. The reason for this behavior is + that when operating in a secure environment all objects would be + polyinstantiated unless there are specific exemptions made for + individual objects to make them non-polyinstantiated. There would + then be a 'poly_selection' or 'poly_property' at the end of the section. +2. For systems using the Reference Policy all X-clients connecting + remotely will be allocated a security context from the *x_contexts* + file of: ``` # object_type object_name context -- 2.26.2
