VirtualBox

source: vbox/trunk/COPYING@ 9453

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Rebranding: license updates.

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1The majority of code in VirtualBox Open Source Edition (OSE) is
2copyrighted by Sun Microsystems, Inc. This code is combined with
3third-party code that was originally released under the Apache
4License 2.0, the OpenSSL license, the Mozilla Public License (MPL)
5and the Slirp license, all of which the Free Software Foundation
6considers to be incompatible with the GPL, as well as the X11, zlib,
7liblzf and LGPL licenses. As a special exception to the terms and
8conditions of the GPL listed below, Sun gives you explicit
9permission to combine its GPL code contained in VirtualBox OSE with
10third-party code under the aforementioned licenses. You may copy
11and distribute such a combination provided that you adhere to the
12terms and conditions of all of the GPL and the licenses of the
13third-party code; in particular, you must include the source code of
14the entire combination insofar as the GPL requires distribution of
15source code.
16
17Note that whoever creates or distributes a derived work based on
18VirtualBox OSE is not obligated to grant this special exception for
19such a version. The GPL allows for releasing a modified version
20without the above exception; Sun also allows you to release a modified
21version which carries forward this exception.
22
23---
24
25
26 GNU GENERAL PUBLIC LICENSE
27 Version 2, June 1991
28
29 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
30 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
31 Everyone is permitted to copy and distribute verbatim copies
32 of this license document, but changing it is not allowed.
33
34 Preamble
35
36 The licenses for most software are designed to take away your
37freedom to share and change it. By contrast, the GNU General Public
38License is intended to guarantee your freedom to share and change free
39software--to make sure the software is free for all its users. This
40General Public License applies to most of the Free Software
41Foundation's software and to any other program whose authors commit to
42using it. (Some other Free Software Foundation software is covered by
43the GNU Library General Public License instead.) You can apply it to
44your programs, too.
45
46 When we speak of free software, we are referring to freedom, not
47price. Our General Public Licenses are designed to make sure that you
48have the freedom to distribute copies of free software (and charge for
49this service if you wish), that you receive source code or can get it
50if you want it, that you can change the software or use pieces of it
51in new free programs; and that you know you can do these things.
52
53 To protect your rights, we need to make restrictions that forbid
54anyone to deny you these rights or to ask you to surrender the rights.
55These restrictions translate to certain responsibilities for you if you
56distribute copies of the software, or if you modify it.
57
58 For example, if you distribute copies of such a program, whether
59gratis or for a fee, you must give the recipients all the rights that
60you have. You must make sure that they, too, receive or can get the
61source code. And you must show them these terms so they know their
62rights.
63
64 We protect your rights with two steps: (1) copyright the software, and
65(2) offer you this license which gives you legal permission to copy,
66distribute and/or modify the software.
67
68 Also, for each author's protection and ours, we want to make certain
69that everyone understands that there is no warranty for this free
70software. If the software is modified by someone else and passed on, we
71want its recipients to know that what they have is not the original, so
72that any problems introduced by others will not reflect on the original
73authors' reputations.
74
75 Finally, any free program is threatened constantly by software
76patents. We wish to avoid the danger that redistributors of a free
77program will individually obtain patent licenses, in effect making the
78program proprietary. To prevent this, we have made it clear that any
79patent must be licensed for everyone's free use or not licensed at all.
80
81 The precise terms and conditions for copying, distribution and
82modification follow.
83
84
85 GNU GENERAL PUBLIC LICENSE
86 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
87
88 0. This License applies to any program or other work which contains
89a notice placed by the copyright holder saying it may be distributed
90under the terms of this General Public License. The "Program", below,
91refers to any such program or work, and a "work based on the Program"
92means either the Program or any derivative work under copyright law:
93that is to say, a work containing the Program or a portion of it,
94either verbatim or with modifications and/or translated into another
95language. (Hereinafter, translation is included without limitation in
96the term "modification".) Each licensee is addressed as "you".
97
98Activities other than copying, distribution and modification are not
99covered by this License; they are outside its scope. The act of
100running the Program is not restricted, and the output from the Program
101is covered only if its contents constitute a work based on the
102Program (independent of having been made by running the Program).
103Whether that is true depends on what the Program does.
104
105 1. You may copy and distribute verbatim copies of the Program's
106source code as you receive it, in any medium, provided that you
107conspicuously and appropriately publish on each copy an appropriate
108copyright notice and disclaimer of warranty; keep intact all the
109notices that refer to this License and to the absence of any warranty;
110and give any other recipients of the Program a copy of this License
111along with the Program.
112
113You may charge a fee for the physical act of transferring a copy, and
114you may at your option offer warranty protection in exchange for a fee.
115
116 2. You may modify your copy or copies of the Program or any portion
117of it, thus forming a work based on the Program, and copy and
118distribute such modifications or work under the terms of Section 1
119above, provided that you also meet all of these conditions:
120
121 a) You must cause the modified files to carry prominent notices
122 stating that you changed the files and the date of any change.
123
124 b) You must cause any work that you distribute or publish, that in
125 whole or in part contains or is derived from the Program or any
126 part thereof, to be licensed as a whole at no charge to all third
127 parties under the terms of this License.
128
129 c) If the modified program normally reads commands interactively
130 when run, you must cause it, when started running for such
131 interactive use in the most ordinary way, to print or display an
132 announcement including an appropriate copyright notice and a
133 notice that there is no warranty (or else, saying that you provide
134 a warranty) and that users may redistribute the program under
135 these conditions, and telling the user how to view a copy of this
136 License. (Exception: if the Program itself is interactive but
137 does not normally print such an announcement, your work based on
138 the Program is not required to print an announcement.)
139
140
141These requirements apply to the modified work as a whole. If
142identifiable sections of that work are not derived from the Program,
143and can be reasonably considered independent and separate works in
144themselves, then this License, and its terms, do not apply to those
145sections when you distribute them as separate works. But when you
146distribute the same sections as part of a whole which is a work based
147on the Program, the distribution of the whole must be on the terms of
148this License, whose permissions for other licensees extend to the
149entire whole, and thus to each and every part regardless of who wrote it.
150
151Thus, it is not the intent of this section to claim rights or contest
152your rights to work written entirely by you; rather, the intent is to
153exercise the right to control the distribution of derivative or
154collective works based on the Program.
155
156In addition, mere aggregation of another work not based on the Program
157with the Program (or with a work based on the Program) on a volume of
158a storage or distribution medium does not bring the other work under
159the scope of this License.
160
161 3. You may copy and distribute the Program (or a work based on it,
162under Section 2) in object code or executable form under the terms of
163Sections 1 and 2 above provided that you also do one of the following:
164
165 a) Accompany it with the complete corresponding machine-readable
166 source code, which must be distributed under the terms of Sections
167 1 and 2 above on a medium customarily used for software interchange; or,
168
169 b) Accompany it with a written offer, valid for at least three
170 years, to give any third party, for a charge no more than your
171 cost of physically performing source distribution, a complete
172 machine-readable copy of the corresponding source code, to be
173 distributed under the terms of Sections 1 and 2 above on a medium
174 customarily used for software interchange; or,
175
176 c) Accompany it with the information you received as to the offer
177 to distribute corresponding source code. (This alternative is
178 allowed only for noncommercial distribution and only if you
179 received the program in object code or executable form with such
180 an offer, in accord with Subsection b above.)
181
182The source code for a work means the preferred form of the work for
183making modifications to it. For an executable work, complete source
184code means all the source code for all modules it contains, plus any
185associated interface definition files, plus the scripts used to
186control compilation and installation of the executable. However, as a
187special exception, the source code distributed need not include
188anything that is normally distributed (in either source or binary
189form) with the major components (compiler, kernel, and so on) of the
190operating system on which the executable runs, unless that component
191itself accompanies the executable.
192
193If distribution of executable or object code is made by offering
194access to copy from a designated place, then offering equivalent
195access to copy the source code from the same place counts as
196distribution of the source code, even though third parties are not
197compelled to copy the source along with the object code.
198
199
200 4. You may not copy, modify, sublicense, or distribute the Program
201except as expressly provided under this License. Any attempt
202otherwise to copy, modify, sublicense or distribute the Program is
203void, and will automatically terminate your rights under this License.
204However, parties who have received copies, or rights, from you under
205this License will not have their licenses terminated so long as such
206parties remain in full compliance.
207
208 5. You are not required to accept this License, since you have not
209signed it. However, nothing else grants you permission to modify or
210distribute the Program or its derivative works. These actions are
211prohibited by law if you do not accept this License. Therefore, by
212modifying or distributing the Program (or any work based on the
213Program), you indicate your acceptance of this License to do so, and
214all its terms and conditions for copying, distributing or modifying
215the Program or works based on it.
216
217 6. Each time you redistribute the Program (or any work based on the
218Program), the recipient automatically receives a license from the
219original licensor to copy, distribute or modify the Program subject to
220these terms and conditions. You may not impose any further
221restrictions on the recipients' exercise of the rights granted herein.
222You are not responsible for enforcing compliance by third parties to
223this License.
224
225 7. If, as a consequence of a court judgment or allegation of patent
226infringement or for any other reason (not limited to patent issues),
227conditions are imposed on you (whether by court order, agreement or
228otherwise) that contradict the conditions of this License, they do not
229excuse you from the conditions of this License. If you cannot
230distribute so as to satisfy simultaneously your obligations under this
231License and any other pertinent obligations, then as a consequence you
232may not distribute the Program at all. For example, if a patent
233license would not permit royalty-free redistribution of the Program by
234all those who receive copies directly or indirectly through you, then
235the only way you could satisfy both it and this License would be to
236refrain entirely from distribution of the Program.
237
238If any portion of this section is held invalid or unenforceable under
239any particular circumstance, the balance of the section is intended to
240apply and the section as a whole is intended to apply in other
241circumstances.
242
243It is not the purpose of this section to induce you to infringe any
244patents or other property right claims or to contest validity of any
245such claims; this section has the sole purpose of protecting the
246integrity of the free software distribution system, which is
247implemented by public license practices. Many people have made
248generous contributions to the wide range of software distributed
249through that system in reliance on consistent application of that
250system; it is up to the author/donor to decide if he or she is willing
251to distribute software through any other system and a licensee cannot
252impose that choice.
253
254This section is intended to make thoroughly clear what is believed to
255be a consequence of the rest of this License.
256
257
258 8. If the distribution and/or use of the Program is restricted in
259certain countries either by patents or by copyrighted interfaces, the
260original copyright holder who places the Program under this License
261may add an explicit geographical distribution limitation excluding
262those countries, so that distribution is permitted only in or among
263countries not thus excluded. In such case, this License incorporates
264the limitation as if written in the body of this License.
265
266 9. The Free Software Foundation may publish revised and/or new versions
267of the General Public License from time to time. Such new versions will
268be similar in spirit to the present version, but may differ in detail to
269address new problems or concerns.
270
271Each version is given a distinguishing version number. If the Program
272specifies a version number of this License which applies to it and "any
273later version", you have the option of following the terms and conditions
274either of that version or of any later version published by the Free
275Software Foundation. If the Program does not specify a version number of
276this License, you may choose any version ever published by the Free Software
277Foundation.
278
279 10. If you wish to incorporate parts of the Program into other free
280programs whose distribution conditions are different, write to the author
281to ask for permission. For software which is copyrighted by the Free
282Software Foundation, write to the Free Software Foundation; we sometimes
283make exceptions for this. Our decision will be guided by the two goals
284of preserving the free status of all derivatives of our free software and
285of promoting the sharing and reuse of software generally.
286
287 NO WARRANTY
288
289 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
290FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
291OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
292PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
293OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
294MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
295TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
296PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
297REPAIR OR CORRECTION.
298
299 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
300WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
301REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
302INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
303OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
304TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
305YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
306PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
307POSSIBILITY OF SUCH DAMAGES.
308
309 END OF TERMS AND CONDITIONS
310
311
312 How to Apply These Terms to Your New Programs
313
314 If you develop a new program, and you want it to be of the greatest
315possible use to the public, the best way to achieve this is to make it
316free software which everyone can redistribute and change under these terms.
317
318 To do so, attach the following notices to the program. It is safest
319to attach them to the start of each source file to most effectively
320convey the exclusion of warranty; and each file should have at least
321the "copyright" line and a pointer to where the full notice is found.
322
323 <one line to give the program's name and a brief idea of what it does.>
324 Copyright (C) <year> <name of author>
325
326 This program is free software; you can redistribute it and/or modify
327 it under the terms of the GNU General Public License as published by
328 the Free Software Foundation; either version 2 of the License, or
329 (at your option) any later version.
330
331 This program is distributed in the hope that it will be useful,
332 but WITHOUT ANY WARRANTY; without even the implied warranty of
333 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
334 GNU General Public License for more details.
335
336 You should have received a copy of the GNU General Public License
337 along with this program; if not, write to the Free Software
338 Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
339
340
341Also add information on how to contact you by electronic and paper mail.
342
343If the program is interactive, make it output a short notice like this
344when it starts in an interactive mode:
345
346 Gnomovision version 69, Copyright (C) year name of author
347 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
348 This is free software, and you are welcome to redistribute it
349 under certain conditions; type `show c' for details.
350
351The hypothetical commands `show w' and `show c' should show the appropriate
352parts of the General Public License. Of course, the commands you use may
353be called something other than `show w' and `show c'; they could even be
354mouse-clicks or menu items--whatever suits your program.
355
356You should also get your employer (if you work as a programmer) or your
357school, if any, to sign a "copyright disclaimer" for the program, if
358necessary. Here is a sample; alter the names:
359
360 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
361 `Gnomovision' (which makes passes at compilers) written by James Hacker.
362
363 <signature of Ty Coon>, 1 April 1989
364 Ty Coon, President of Vice
365
366This General Public License does not permit incorporating your program into
367proprietary programs. If your program is a subroutine library, you may
368consider it more useful to permit linking proprietary applications with the
369library. If this is what you want to do, use the GNU Lesser General
370Public License instead of this License.
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