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https://github.com/SELinuxProject/selinux
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Converting to github markdown allows for easier integration with the SELinux project wiki and viewing of documentation directly on github without creating PDFs or reading through DocBook XML. The conversion of DocBook to github markdown would not format tables or keyword links properly. By maintaining the documentation in github markdown in the repository, the content is well formatted with a table of contents when viewing in the github wiki or in the repository. The migration from DocBook to github markdown was done using Pandoc and manual fixups. Mappings of CIL keywords to headings that were lost in the DocBook conversion were added back. An introduction and design philosphy was also pulled from the SELinux project wiki to provide more cohesion to the current documentation. Running make will now convert the github markdown into PDF and HTML. Signed-off-by: Yuli Khodorkovskiy <ykhodorkovskiy@tresys.com>
201 lines
5.6 KiB
Markdown
201 lines
5.6 KiB
Markdown
Xen Statements
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==============
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Policy version 30 introduced the [`devicetreecon`](cil_xen_statements.md#devicetreecon) statement and also expanded the existing I/O memory range to 64 bits in order to support hardware with more than 44 bits of physical address space (32-bit count of 4K pages).
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See the ["XSM/FLASK Configuration"](http://xenbits.xen.org/docs/4.2-testing/misc/xsm-flask.txt) document for further information ([](http://xenbits.xen.org/docs/4.2-testing/misc/xsm-flask.txt))
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iomemcon
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--------
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Label i/o memory. This may be a single memory location or a range.
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**Statement definition:**
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(iomemcon mem_addr|(mem_low mem_high) context_id)
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**Where:**
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<table>
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<colgroup>
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<col width="25%" />
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<col width="75%" />
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</colgroup>
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<tbody>
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<tr class="odd">
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<td align="left"><p><code>iomemcon</code></p></td>
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<td align="left"><p>The <code>iomemcon</code> keyword.</p></td>
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</tr>
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<tr class="even">
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<td align="left"><p><code>mem_addr |</code></p>
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<p><code>(mem_low mem_high)</code></p></td>
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<td align="left"><p>A single memory address to apply the context, or a range of addresses.</p>
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<p>The entries must consist of numerics <code>[0-9]</code>.</p></td>
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</tr>
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<tr class="odd">
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<td align="left"><p><code>context_id</code></p></td>
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<td align="left"><p>A previously declared <code>context</code> identifier or an anonymous security context (<code>user role type levelrange</code>), the range MUST be defined whether the policy is MLS/MCS enabled or not.</p></td>
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</tr>
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</tbody>
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</table>
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**Example:**
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An anonymous context for a memory address range of `0xfebe0-0xfebff`:
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(iomemcon (1043424 1043455) (unconfined.user object_r unconfined.object low_low))
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ioportcon
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---------
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Label i/o ports. This may be a single port or a range.
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**Statement definition:**
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(ioportcon port|(port_low port_high) context_id)
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**Where:**
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<table>
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<colgroup>
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<col width="27%" />
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<col width="72%" />
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</colgroup>
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<tbody>
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<tr class="odd">
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<td align="left"><p><code>ioportcon</code></p></td>
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<td align="left"><p>The <code>ioportcon</code> keyword.</p></td>
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</tr>
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<tr class="even">
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<td align="left"><p><code>port |</code></p>
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<p><code>(port_low port_high)</code></p></td>
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<td align="left"><p>A single port to apply the context, or a range of ports.</p>
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<p>The entries must consist of numerics <code>[0-9]</code>.</p></td>
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</tr>
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<tr class="odd">
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<td align="left"><p><code>context_id</code></p></td>
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<td align="left"><p>A previously declared <code>context</code> identifier or an anonymous security context (<code>user role type levelrange</code>), the range MUST be defined whether the policy is MLS/MCS enabled or not.</p></td>
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</tr>
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</tbody>
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</table>
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**Example:**
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An anonymous context for a single port of :`0xecc0`:
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(ioportcon 60608 (unconfined.user object_r unconfined.object low_low))
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pcidevicecon
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------------
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Label a PCI device.
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**Statement definition:**
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(pcidevicecon device context_id)
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**Where:**
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<table>
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<colgroup>
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<col width="25%" />
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<col width="75%" />
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</colgroup>
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<tbody>
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<tr class="odd">
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<td align="left"><p><code>pcidevicecon</code></p></td>
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<td align="left"><p>The <code>pcidevicecon</code> keyword.</p></td>
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</tr>
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<tr class="even">
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<td align="left"><p><code>device</code></p></td>
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<td align="left"><p>The device number.The entries must consist of numerics <code>[0-9]</code>.</p></td>
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</tr>
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<tr class="odd">
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<td align="left"><p><code>context_id</code></p></td>
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<td align="left"><p>A previously declared <code>context</code> identifier or an anonymous security context (<code>user role type levelrange</code>), the range MUST be defined whether the policy is MLS/MCS enabled or not.</p></td>
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</tr>
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</tbody>
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</table>
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**Example:**
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An anonymous context for a pci device address of `0xc800`:
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(pcidevicecon 51200 (unconfined.user object_r unconfined.object low_low))
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pirqcon
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-------
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Label an interrupt level.
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**Statement definition:**
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(pirqcon irq_level context_id)
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**Where:**
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<table>
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<colgroup>
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<col width="25%" />
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<col width="75%" />
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</colgroup>
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<tbody>
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<tr class="odd">
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<td align="left"><p><code>pirqcon</code></p></td>
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<td align="left"><p>The <code>pirqcon</code> keyword.</p></td>
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</tr>
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<tr class="even">
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<td align="left"><p><code>irq_level</code></p></td>
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<td align="left"><p>The interrupt request number. The entries must consist of numerics <code>[0-9]</code>.</p></td>
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</tr>
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<tr class="odd">
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<td align="left"><p><code>context_id</code></p></td>
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<td align="left"><p>A previously declared <code>context</code> identifier or an anonymous security context (<code>user role type levelrange</code>), the range MUST be defined whether the policy is MLS/MCS enabled or not.</p></td>
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</tr>
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</tbody>
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</table>
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**Example:**
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An anonymous context for IRQ 33:
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(pirqcon 33 (unconfined.user object_r unconfined.object low_low))
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devicetreecon
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-------------
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Label device tree nodes.
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**Statement definition:**
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(devicetreecon path context_id)
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**Where:**
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<table>
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<colgroup>
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<col width="25%" />
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<col width="75%" />
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</colgroup>
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<tbody>
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<tr class="odd">
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<td align="left"><p><code>devicetreecon</code></p></td>
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<td align="left"><p>The <code>devicetreecon</code> keyword.</p></td>
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</tr>
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<tr class="even">
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<td align="left"><p><code>path</code></p></td>
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<td align="left"><p>The device tree path. If this contains spaces enclose within <code>""</code>.</p></td>
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</tr>
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<tr class="odd">
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<td align="left"><p><code>context_id</code></p></td>
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<td align="left"><p>A previously declared <code>context</code> identifier or an anonymous security context (<code>user role type levelrange</code>), the range MUST be defined whether the policy is MLS/MCS enabled or not.</p></td>
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</tr>
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</tbody>
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</table>
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**Example:**
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An anonymous context for the specified path:
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(devicetreecon "/this is/a/path" (unconfined.user object_r unconfined.object low_low))
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