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Bradley M. Kuhn 2015-03-12 10:09:27 -07:00
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www/conservancy/static/linux-compliance/vmware-lawsuit-faq.html
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@ -139,7 +139,7 @@
<dd> <dd>
<p>The GPL violation at issue involves VMware's ESXi product. <p>The GPL violation at issue involves VMware's ESXi product.
Conservancy independently reviewed ESXi 5.5 and its incomplete Conservancy independently reviewed ESXi 5.5 and its incomplete
<acronym title="complete, corresponding source">CCS</acronym> <abbr title="complete, corresponding source">CCS</abbr>
release as part of our GPL enforcement efforts described above.</p> release as part of our GPL enforcement efforts described above.</p>
<p>Conservancy's preliminary investigation indicated that the operating <p>Conservancy's preliminary investigation indicated that the operating
@ -148,14 +148,14 @@
<li> the proprietary component &ldquo;vmkernel&rdquo;, which is <li> the proprietary component &ldquo;vmkernel&rdquo;, which is
released in binary form only,</li> released in binary form only,</li>
<li>the kernel module &ldquo;vmklinux&rdquo;, which contains modified Linux <li>the kernel module &ldquo;vmklinux&rdquo;, which contains modified Linux
Code, and for which (at least some) source code for which is provided. Code, and for which (at least some) source code is provided.
<li>other kernel modules with device drivers, most of which are <li>other kernel modules with device drivers, most of which are
modified Linux drivers, and for which (at least some) source code modified Linux drivers, and for which (at least some) source code
is provided.</li> is provided.</li>
</ul> </ul>
<p>Conservancy examined the incomplete CCS alongside the <p>Conservancy examined the incomplete CCS alongside the
binary &ldquo;vmkernel&rdquo; component. Such examination indicates that function binary &ldquo;vmkernel&rdquo; component. Such examination indicates that functions
in &ldquo;vmkernel&rdquo; do make function calls to Linux's kernel code in &ldquo;vmkernel&rdquo; do make function calls to Linux's kernel code
in the usual way for a single program written in C.</p></dd> in the usual way for a single program written in C.</p></dd>
@ -208,7 +208,8 @@ Code, and for which (at least some) source code for which is provided.
called <code>vmkdrivers/src_92/vmklinux_92/vmware/linux_pci.c</code>, called <code>vmkdrivers/src_92/vmklinux_92/vmware/linux_pci.c</code>,
which can be found in the &ldquo;Open Source&rdquo; release for which can be found in the &ldquo;Open Source&rdquo; release for
ESXi 5.5.0 Update 2 (5.5U2). A small excerpt from that file, found in the ESXi 5.5.0 Update 2 (5.5U2). A small excerpt from that file, found in the
function <code>LinuxPCIDeviceRemoved()</code>, reads as follows: function <code>LinuxPCIDeviceRemoved()</code>, reads as follows:</p>
<pre> <pre>
if (unlikely( if (unlikely(
/* NOTE: vmk_PCIGetDeviceName is defined in vmvisor64-vmkernel */ /* NOTE: vmk_PCIGetDeviceName is defined in vmvisor64-vmkernel */
@ -222,7 +223,7 @@ VMKAPI_MODULE_CALL_VOID(pciDevExt->moduleID,
linuxDev->driver->remove, linuxDev->driver->remove,
linuxDev); linuxDev);
</pre> </pre>
</p>
<p>The function, <code>vmk_PCIGetDeviceName()</code> must be defined, with an <p>The function, <code>vmk_PCIGetDeviceName()</code> must be defined, with an
implementation, for this code above to work, or even compile. implementation, for this code above to work, or even compile.
Inside <code>BLD/build/HEADERS/vmkapi-current-all-public/vmkernel64/release/device/vmkapi_pci_incompat.h</code>, Inside <code>BLD/build/HEADERS/vmkapi-current-all-public/vmkernel64/release/device/vmkapi_pci_incompat.h</code>,
@ -234,13 +235,16 @@ VMKAPI_MODULE_CALL_VOID(pciDevExt->moduleID,
<p>Further evidence that the implementation of this function occurs elsewhere <p>Further evidence that the implementation of this function occurs elsewhere
can by found by running <code>objdump -x</code> on the un-vmtar'ed can by found by running <code>objdump -x</code> on the un-vmtar'ed
<code>vmklinux_9</code> module. Note the following output in the &ldquo;SYMBOL <code>vmklinux_9</code> module. Note the following output in the &ldquo;SYMBOL
TABLE&rdquo; section: TABLE&rdquo; section:</p>
<pre> <pre>
0000000000000000 *UND* 0000000000000000 vmk_PCIGetDeviceName 0000000000000000 *UND* 0000000000000000 vmk_PCIGetDeviceName
</pre> </pre>
<p>
&hellip;and the following lines found in the &ldquo;RELOCATION RECORDS FOR &hellip;and the following lines found in the &ldquo;RELOCATION RECORDS FOR
[.text]&rdquo; section: [.text]&rdquo; section:
</p>
<pre> <pre>
00000000000327ff R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc 00000000000327ff R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc
@ -248,7 +252,6 @@ VMKAPI_MODULE_CALL_VOID(pciDevExt->moduleID,
00000000000387e1 R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc 00000000000387e1 R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc
000000000003cf40 R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc 000000000003cf40 R_X86_64_PC32 vmk_PCIGetDeviceName+0xfffffffffffffffc
</pre> </pre>
</p>
<p>The above two properties both suggest that the <code>vmklinux_9</code> <p>The above two properties both suggest that the <code>vmklinux_9</code>
module requires: (a) a definition of the <code>vmk_PCIGetDeviceName()</code> module requires: (a) a definition of the <code>vmk_PCIGetDeviceName()</code>
@ -264,12 +267,13 @@ VMKAPI_MODULE_CALL_VOID(pciDevExt->moduleID,
compressed data, was &lsquo;vmvisor64-vmkernel.stripped&rsquo;&rdquo;. compressed data, was &lsquo;vmvisor64-vmkernel.stripped&rsquo;&rdquo;.
These findings strongly suggests this is an image of the These findings strongly suggests this is an image of the
&ldquo;vmkernel&rdquo; component. An <code>objdump -x</code> yields this &ldquo;vmkernel&rdquo; component. An <code>objdump -x</code> yields this
&ldquo;SYMBOL TABLE&rdquo; section: &ldquo;SYMBOL TABLE&rdquo; section:</p>
<pre> <pre>
000041800036a408 g F .text 0000000000000137 vmk_PCIGetDeviceName 000041800036a408 g F .text 0000000000000137 vmk_PCIGetDeviceName
</pre> </pre>
&hellip; which indicated these binary file contains the function body <p>&hellip; which indicated these binary file contains the function body
for <code>vmk_PCIGetDeviceName</code>.</p> for <code>vmk_PCIGetDeviceName</code>.</p>
<p>Finally, after detailed searching, Conservancy found no evidence that any <p>Finally, after detailed searching, Conservancy found no evidence that any
@ -280,7 +284,7 @@ for <code>vmk_PCIGetDeviceName</code>.</p>
yields similar results as above.</p> yields similar results as above.</p>
<p>Given this evidence and related contextual clues, the only logical <p>Given this evidence and related contextual clues, the only logical
conclusions are: conclusions are:</p>
<ul><li><code>vmklinux_9</code>, as a binary object, dynamically links <ul><li><code>vmklinux_9</code>, as a binary object, dynamically links
with <code>k.b00</code>, another binary object, to form a single running with <code>k.b00</code>, another binary object, to form a single running
binary.</li> binary.</li>
@ -300,7 +304,6 @@ for <code>vmk_PCIGetDeviceName</code>.</p>
compliance requires source code (or an offer therefor) for the material compliance requires source code (or an offer therefor) for the material
in <code>k.b00</code>.</li> in <code>k.b00</code>.</li>
</ul> </ul>
</p>
<p>The above is but one piece of evidence among many, but hopefully it helps <p>The above is but one piece of evidence among many, but hopefully it helps
to explain the types of &ldquo;combined work&rdquo; violations found in to explain the types of &ldquo;combined work&rdquo; violations found in
VMware's ESXi product.</p> VMware's ESXi product.</p>
@ -313,7 +316,7 @@ previously-mentioned <code>linux_pci.c</code>,
<code>vmkapi_pci_incompat.h</code>, and <code>k.b00</code> files, as well as <code>vmkapi_pci_incompat.h</code>, and <code>k.b00</code> files, as well as
<code>vmklinux_9</code> and the source code that builds the latter.</p> <code>vmklinux_9</code> and the source code that builds the latter.</p>
<p>To obtain the source components, follow these steps (no login is required): <p>To obtain the source components, follow these steps (no login is required):</p>
<ol> <ol>
<li>Visit <a href="https://my.vmware.com/web/vmware/details?downloadGroup=ESXI55U2_OSS&productId=353">https://my.vmware.com/web/vmware/details?downloadGroup=ESXI55U2_OSS&productId=353</a>.</li> <li>Visit <a href="https://my.vmware.com/web/vmware/details?downloadGroup=ESXI55U2_OSS&productId=353">https://my.vmware.com/web/vmware/details?downloadGroup=ESXI55U2_OSS&productId=353</a>.</li>
@ -344,9 +347,8 @@ previously-mentioned <code>linux_pci.c</code>,
f679e81ffb2f92729917bbc64c2d541cf75b5b94.</li> f679e81ffb2f92729917bbc64c2d541cf75b5b94.</li>
</ol> </ol>
</p>
<p>To obtain the binary components, follow these steps (a login is required): <p>To obtain the binary components, follow these steps (a login is required):<p>
<ol> <ol>
<li>Register for an account at <a href="https://my.vmware.com/web/vmware/registration">https://my.vmware.com/web/vmware/registration</a>.</li> <li>Register for an account at <a href="https://my.vmware.com/web/vmware/registration">https://my.vmware.com/web/vmware/registration</a>.</li>
@ -395,9 +397,8 @@ at <code>bin/vmtar</code> inside
<code>sb.v00</code>, similar to <code>misc_dri.v00</code> above.</li> <code>sb.v00</code>, similar to <code>misc_dri.v00</code> above.</li>
</ol> </ol>
</p>
<p>Note that VMware may present you with <acronym title="End User Licensing Agreement">EULA</acronym>s and <acronym title="Terms of Service">ToS</acronym> when you download <p>Note that VMware may present you with <abbr title="End User Licensing Agreement">EULA</abbr>s and <abbr title="Terms of Service">ToS</abbr> when you download
software from VMware's website. Conservancy strongly suggests that you review these software from VMware's website. Conservancy strongly suggests that you review these
terms in great detail with the assistance of your own legal counsel before terms in great detail with the assistance of your own legal counsel before
downloading the software and/or engaging in the process that Conservancy downloading the software and/or engaging in the process that Conservancy