0. Definitions.
“This License” refers to version 3 of the GNU General
Public License.
“Copyright” also means copyright-like laws that apply to
other kinds of works, such as semiconductor masks.
“The Program” refers to any copyrightable work licensed
under this License. Each licensee is addressed as “you”.
“Licensees” and “recipients” may be individuals or
organizations.
To “modify” a work means to copy from or adapt all or part
of the work in a fashion requiring copyright permission,
other than the making of an exact copy. The resulting work
is called a “modified version” of the earlier work or a
work “based on” the earlier work.
A “covered work” means either the unmodified Program or a
work based on the Program.
To “propagate” a work means to do anything with it that,
without permission, would make you directly or secondarily
liable for infringement under applicable copyright law,
except executing it on a computer or modifying a private
copy. Propagation includes copying, distribution (with or
without modification), making available to the public, and
in some countries other activities as well.
To “convey” a work means any kind of propagation that
enables other parties to make or receive copies. Mere
interaction with a user through a computer network, with
no transfer of a copy, is not conveying.
An interactive user interface displays “Appropriate Legal
Notices” to the extent that it includes a convenient and
prominently visible feature that (1) displays an
appropriate copyright notice, and (2) tells the user that
there is no warranty for the work (except to the extent
that warranties are provided), that licensees may convey
the work under this License, and how to view a copy of
this License. If the interface presents a list of user
commands or options, such as a menu, a prominent item in
the list meets this criterion.
1. Source Code.
The “source code” for a work means the preferred form of
the work for making modifications to it. “Object code”
means any non-source form of a work.
A “Standard Interface” means an interface that either is
an official standard defined by a recognized standards
body, or, in the case of interfaces specified for a
particular programming language, one that is widely used
among developers working in that language.
The “System Libraries” of an executable work include
anything, other than the work as a whole, that (a) is
included in the normal form of packaging a Major
Component, but which is not part of that Major Component,
and (b) serves only to enable use of the work with that
Major Component, or to implement a Standard Interface for
which an implementation is available to the public in
source code form. A “Major Component”, in this context,
means a major essential component (kernel, window system,
and so on) of the specific operating system (if any) on
which the executable work runs, or a compiler used to
produce the work, or an object code interpreter used to
run it.
The “Corresponding Source” for a work in object code form
means all the source code needed to generate, install, and
(for an executable work) run the object code and to modify
the work, including scripts to control those activities.
However, it does not include the work's System Libraries,
or general-purpose tools or generally available free
programs which are used unmodified in performing those
activities but which are not part of the work. For
example, Corresponding Source includes interface
definition files associated with source files for the
work, and the source code for shared libraries and
dynamically linked subprograms that the work is
specifically designed to require, such as by intimate data
communication or control flow between those subprograms
and other parts of the work.
The Corresponding Source need not include anything that
users can regenerate automatically from other parts of the
Corresponding Source.
The Corresponding Source for a work in source code form is
that same work.
2. Basic Permissions.
All rights granted under this License are granted for the
term of copyright on the Program, and are irrevocable
provided the stated conditions are met. This License
explicitly affirms your unlimited permission to run the
unmodified Program. The output from running a covered work
is covered by this License only if the output, given its
content, constitutes a covered work. This License
acknowledges your rights of fair use or other equivalent,
as provided by copyright law.
You may make, run and propagate covered works that you do
not convey, without conditions so long as your license
otherwise remains in force. You may convey covered works
to others for the sole purpose of having them make
modifications exclusively for you, or provide you with
facilities for running those works, provided that you
comply with the terms of this License in conveying all
material for which you do not control copyright. Those
thus making or running the covered works for you must do
so exclusively on your behalf, under your direction and
control, on terms that prohibit them from making any
copies of your copyrighted material outside their
relationship with you.
Conveying under any other circumstances is permitted
solely under the conditions stated below. Sublicensing is
not allowed; section 10 makes it unnecessary.
3. Protecting Users' Legal Rights From Anti-Circumvention
Law.
No covered work shall be deemed part of an effective
technological measure under any applicable law fulfilling
obligations under article 11 of the WIPO copyright treaty
adopted on 20 December 1996, or similar laws prohibiting
or restricting circumvention of such measures.
When you convey a covered work, you waive any legal power
to forbid circumvention of technological measures to the
extent such circumvention is effected by exercising rights
under this License with respect to the covered work, and
you disclaim any intention to limit operation or
modification of the work as a means of enforcing, against
the work's users, your or third parties' legal rights to
forbid circumvention of technological measures.
4. Conveying Verbatim Copies.
You may convey verbatim copies of the Program's source
code as you receive it, in any medium, provided that you
conspicuously and appropriately publish on each copy an
appropriate copyright notice; keep intact all notices
stating that this License and any non-permissive terms
added in accord with section 7 apply to the code; keep
intact all notices of the absence of any warranty; and
give all recipients a copy of this License along with the
Program.
You may charge any price or no price for each copy that
you convey, and you may offer support or warranty
protection for a fee.
5. Conveying Modified Source Versions.
You may convey a work based on the Program, or the
modifications to produce it from the Program, in the form
of source code under the terms of section 4, provided that
you also meet all of these conditions:
a) The work must carry prominent
notices stating that you modified it, and giving a
relevant date.
b) The work must carry prominent
notices stating that it is released under this License and
any conditions added under section 7. This requirement
modifies the requirement in section 4 to “keep intact all
notices”.
c) You must license the entire work, as
a whole, under this License to anyone who comes into
possession of a copy. This License will therefore apply,
along with any applicable section 7 additional terms, to
the whole of the work, and all its parts, regardless of
how they are packaged. This License gives no permission to
license the work in any other way, but it does not
invalidate such permission if you have separately received
it.
d) If the work has interactive user
interfaces, each must display Appropriate Legal Notices;
however, if the Program has interactive interfaces that do
not display Appropriate Legal Notices, your work need not
make them do so.
A compilation of a covered work with other separate and
independent works, which are not by their nature
extensions of the covered work, and which are not combined
with it such as to form a larger program, in or on a
volume of a storage or distribution medium, is called an
“aggregate” if the compilation and its resulting copyright
are not used to limit the access or legal rights of the
compilation's users beyond what the individual works
permit. Inclusion of a covered work in an aggregate does
not cause this License to apply to the other parts of the
aggregate.
6. Conveying Non-Source Forms.
You may convey a covered work in object code form under
the terms of sections 4 and 5, provided that you also
convey the machine-readable Corresponding Source under the
terms of this License, in one of these ways:
a) Convey the object code in, or
embodied in, a physical product (including a physical
distribution medium), accompanied by the Corresponding
Source fixed on a durable physical medium customarily used
for software interchange.
b) Convey the object code in, or
embodied in, a physical product (including a physical
distribution medium), accompanied by a written offer,
valid for at least three years and valid for as long as
you offer spare parts or customer support for that product
model, to give anyone who possesses the object code either
(1) a copy of the Corresponding Source for all the
software in the product that is covered by this License,
on a durable physical medium customarily used for software
interchange, for a price no more than your reasonable cost
of physically performing this conveying of source, or (2)
access to copy the Corresponding Source from a network
server at no charge.
c) Convey individual copies of the
object code with a copy of the written offer to provide
the Corresponding Source. This alternative is allowed only
occasionally and noncommercially, and only if you received
the object code with such an offer, in accord with
subsection 6b.
d) Convey the object code by offering
access from a designated place (gratis or for a charge),
and offer equivalent access to the Corresponding Source in
the same way through the same place at no further charge.
You need not require recipients to copy the Corresponding
Source along with the object code. If the place to copy
the object code is a network server, the Corresponding
Source may be on a different server (operated by you or a
third party) that supports equivalent copying facilities,
provided you maintain clear directions next to the object
code saying where to find the Corresponding Source.
Regardless of what server hosts the Corresponding Source,
you remain obligated to ensure that it is available for as
long as needed to satisfy these requirements.
e) Convey the object code using
peer-to-peer transmission, provided you inform other peers
where the object code and Corresponding Source of the work
are being offered to the general public at no charge under
subsection 6d.
A separable portion of the object code, whose source code
is excluded from the Corresponding Source as a System
Library, need not be included in conveying the object code
work.
A “User Product” is either (1) a “consumer product”, which
means any tangible personal property which is normally
used for personal, family, or household purposes, or (2)
anything designed or sold for incorporation into a
dwelling. In determining whether a product is a consumer
product, doubtful cases shall be resolved in favor of
coverage. For a particular product received by a
particular user, “normally used” refers to a typical or
common use of that class of product, regardless of the
status of the particular user or of the way in which the
particular user actually uses, or expects or is expected
to use, the product. A product is a consumer product
regardless of whether the product has substantial
commercial, industrial or non-consumer uses, unless such
uses represent the only significant mode of use of the
product.
“Installation Information” for a User Product means any
methods, procedures, authorization keys, or other
information required to install and execute modified
versions of a covered work in that User Product from a
modified version of its Corresponding Source. The
information must suffice to ensure that the continued
functioning of the modified object code is in no case
prevented or interfered with solely because modification
has been made.
If you convey an object code work under this section in,
or with, or specifically for use in, a User Product, and
the conveying occurs as part of a transaction in which the
right of possession and use of the User Product is
transferred to the recipient in perpetuity or for a fixed
term (regardless of how the transaction is characterized),
the Corresponding Source conveyed under this section must
be accompanied by the Installation Information. But this
requirement does not apply if neither you nor any third
party retains the ability to install modified object code
on the User Product (for example, the work has been
installed in ROM).
The requirement to provide Installation Information does
not include a requirement to continue to provide support
service, warranty, or updates for a work that has been
modified or installed by the recipient, or for the User
Product in which it has been modified or installed. Access
to a network may be denied when the modification itself
materially and adversely affects the operation of the
network or violates the rules and protocols for
communication across the network.
Corresponding Source conveyed, and Installation
Information provided, in accord with this section must be
in a format that is publicly documented (and with an
implementation available to the public in source code
form), and must require no special password or key for
unpacking, reading or copying.
7. Additional Terms.
“Additional permissions” are terms that supplement the
terms of this License by making exceptions from one or
more of its conditions. Additional permissions that are
applicable to the entire Program shall be treated as
though they were included in this License, to the extent
that they are valid under applicable law. If additional
permissions apply only to part of the Program, that part
may be used separately under those permissions, but the
entire Program remains governed by this License without
regard to the additional permissions.
When you convey a copy of a covered work, you may at your
option remove any additional permissions from that copy,
or from any part of it. (Additional permissions may be
written to require their own removal in certain cases when
you modify the work.) You may place additional permissions
on material, added by you to a covered work, for which you
have or can give appropriate copyright permission.
Notwithstanding any other provision of this License, for
material you add to a covered work, you may (if authorized
by the copyright holders of that material) supplement the
terms of this License with terms:
a) Disclaiming warranty or limiting
liability differently from the terms of sections 15 and 16
of this License; or
b) Requiring preservation of specified
reasonable legal notices or author attributions in that
material or in the Appropriate Legal Notices displayed by
works containing it; or
c) Prohibiting misrepresentation of the
origin of that material, or requiring that modified
versions of such material be marked in reasonable ways as
different from the original version; or
d) Limiting the use for publicity
purposes of names of licensors or authors of the material;
or
e) Declining to grant rights under
trademark law for use of some trade names, trademarks, or
service marks; or
f) Requiring indemnification of
licensors and authors of that material by anyone who
conveys the material (or modified versions of it) with
contractual assumptions of liability to the recipient, for
any liability that these contractual assumptions directly
impose on those licensors and authors.
All other non-permissive additional terms are considered
“further restrictions” within the meaning of section 10.
If the Program as you received it, or any part of it,
contains a notice stating that it is governed by this
License along with a term that is a further restriction,
you may remove that term. If a license document contains a
further restriction but permits relicensing or conveying
under this License, you may add to a covered work material
governed by the terms of that license document, provided
that the further restriction does not survive such
relicensing or conveying.
If you add terms to a covered work in accord with this
section, you must place, in the relevant source files, a
statement of the additional terms that apply to those
files, or a notice indicating where to find the applicable
terms.
Additional terms, permissive or non-permissive, may be
stated in the form of a separately written license, or
stated as exceptions; the above requirements apply either
way.
8. Termination.
You may not propagate or modify a covered work except as
expressly provided under this License. Any attempt
otherwise to propagate or modify it is void, and will
automatically terminate your rights under this License
(including any patent licenses granted under the third
paragraph of section 11).
However, if you cease all violation of this License, then
your license from a particular copyright holder is
reinstated (a) provisionally, unless and until the
copyright holder explicitly and finally terminates your
license, and (b) permanently, if the copyright holder
fails to notify you of the violation by some reasonable
means prior to 60 days after the cessation.
Moreover, your license from a particular copyright holder
is reinstated permanently if the copyright holder notifies
you of the violation by some reasonable means, this is the
first time you have received notice of violation of this
License (for any work) from that copyright holder, and you
cure the violation prior to 30 days after your receipt of
the notice.
Termination of your rights under this section does not
terminate the licenses of parties who have received copies
or rights from you under this License. If your rights have
been terminated and not permanently reinstated, you do not
qualify to receive new licenses for the same material
under section 10.
9. Acceptance Not Required for Having Copies.
You are not required to accept this License in order to
receive or run a copy of the Program. Ancillary
propagation of a covered work occurring solely as a
consequence of using peer-to-peer transmission to receive
a copy likewise does not require acceptance. However,
nothing other than this License grants you permission to
propagate or modify any covered work. These actions
infringe copyright if you do not accept this License.
Therefore, by modifying or propagating a covered work, you
indicate your acceptance of this License to do so.
10. Automatic Licensing of Downstream Recipients.
Each time you convey a covered work, the recipient
automatically receives a license from the original
licensors, to run, modify and propagate that work, subject
to this License. You are not responsible for enforcing
compliance by third parties with this License.
An “entity transaction” is a transaction transferring
control of an organization, or substantially all assets of
one, or subdividing an organization, or merging
organizations. If propagation of a covered work results
from an entity transaction, each party to that transaction
who receives a copy of the work also receives whatever
licenses to the work the party's predecessor in interest
had or could give under the previous paragraph, plus a
right to possession of the Corresponding Source of the
work from the predecessor in interest, if the predecessor
has it or can get it with reasonable efforts.
You may not impose any further restrictions on the
exercise of the rights granted or affirmed under this
License. For example, you may not impose a license fee,
royalty, or other charge for exercise of rights granted
under this License, and you may not initiate litigation
(including a cross-claim or counterclaim in a lawsuit)
alleging that any patent claim is infringed by making,
using, selling, offering for sale, or importing the
Program or any portion of it.
11. Patents.
A “contributor” is a copyright holder who authorizes use
under this License of the Program or a work on which the
Program is based. The work thus licensed is called the
contributor's “contributor version”.
A contributor's “essential patent claims” are all patent
claims owned or controlled by the contributor, whether
already acquired or hereafter acquired, that would be
infringed by some manner, permitted by this License, of
making, using, or selling its contributor version, but do
not include claims that would be infringed only as a
consequence of further modification of the contributor
version. For purposes of this definition, “control”
includes the right to grant patent sublicenses in a manner
consistent with the requirements of this License.
Each contributor grants you a non-exclusive, worldwide,
royalty-free patent license under the contributor's
essential patent claims, to make, use, sell, offer for
sale, import and otherwise run, modify and propagate the
contents of its contributor version.
In the following three paragraphs, a “patent license” is
any express agreement or commitment, however denominated,
not to enforce a patent (such as an express permission to
practice a patent or covenant not to sue for patent
infringement). To “grant” such a patent license to a party
means to make such an agreement or commitment not to
enforce a patent against the party.
If you convey a covered work, knowingly relying on a
patent license, and the Corresponding Source of the work
is not available for anyone to copy, free of charge and
under the terms of this License, through a publicly
available network server or other readily accessible
means, then you must either (1) cause the Corresponding
Source to be so available, or (2) arrange to deprive
yourself of the benefit of the patent license for this
particular work, or (3) arrange, in a manner consistent
with the requirements of this License, to extend the
patent license to downstream recipients. “Knowingly
relying” means you have actual knowledge that, but for the
patent license, your conveying the covered work in a
country, or your recipient's use of the covered work in a
country, would infringe one or more identifiable patents
in that country that you have reason to believe are valid.
If, pursuant to or in connection with a single transaction
or arrangement, you convey, or propagate by procuring
conveyance of, a covered work, and grant a patent license
to some of the parties receiving the covered work
authorizing them to use, propagate, modify or convey a
specific copy of the covered work, then the patent license
you grant is automatically extended to all recipients of
the covered work and works based on it.
A patent license is “discriminatory” if it does not
include within the scope of its coverage, prohibits the
exercise of, or is conditioned on the non-exercise of one
or more of the rights that are specifically granted under
this License. You may not convey a covered work if you are
a party to an arrangement with a third party that is in
the business of distributing software, under which you
make payment to the third party based on the extent of
your activity of conveying the work, and under which the
third party grants, to any of the parties who would
receive the covered work from you, a discriminatory patent
license (a) in connection with copies of the covered work
conveyed by you (or copies made from those copies), or (b)
primarily for and in connection with specific products or
compilations that contain the covered work, unless you
entered into that arrangement, or that patent license was
granted, prior to 28 March 2007.
Nothing in this License shall be construed as excluding or
limiting any implied license or other defenses to
infringement that may otherwise be available to you under
applicable patent law.
12. No Surrender of Others' Freedom.
If conditions are imposed on you (whether by court order,
agreement or otherwise) that contradict the conditions of
this License, they do not excuse you from the conditions
of this License. If you cannot convey a covered work so as
to satisfy simultaneously your obligations under this
License and any other pertinent obligations, then as a
consequence you may not convey it at all. For example, if
you agree to terms that obligate you to collect a royalty
for further conveying from those to whom you convey the
Program, the only way you could satisfy both those terms
and this License would be to refrain entirely from
conveying the Program.
13. Use with the GNU Affero General Public License.
Notwithstanding any other provision of this License, you
have permission to link or combine any covered work with a
work licensed under version 3 of the GNU Affero General
Public License into a single combined work, and to convey
the resulting work. The terms of this License will
continue to apply to the part which is the covered work,
but the special requirements of the GNU Affero General
Public License, section 13, concerning interaction through
a network will apply to the combination as such.
14. Revised Versions of this License.
The Free Software Foundation may publish revised and/or
new versions of the GNU General Public License from time
to time. Such new versions will be similar in spirit to
the present version, but may differ in detail to address
new problems or concerns.
Each version is given a distinguishing version number. If
the Program specifies that a certain numbered version of
the GNU General Public License “or any later version”
applies to it, you have the option of following the terms
and conditions either of that numbered version or of any
later version published by the Free Software Foundation.
If the Program does not specify a version number of the
GNU General Public License, you may choose any version
ever published by the Free Software Foundation.
If the Program specifies that a proxy can decide which
future versions of the GNU General Public License can be
used, that proxy's public statement of acceptance of a
version permanently authorizes you to choose that version
for the Program.
Later license versions may give you additional or
different permissions. However, no additional obligations
are imposed on any author or copyright holder as a result
of your choosing to follow a later version.
15. Disclaimer of Warranty.
THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT
PERMITTED BY APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED
IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
PROVIDE THE PROGRAM “AS IS” WITHOUT WARRANTY OF ANY KIND,
EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED
TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE
QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD
THE PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL
NECESSARY SERVICING, REPAIR OR CORRECTION.
16. Limitation of Liability.
IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO
IN WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY
WHO MODIFIES AND/OR CONVEYS THE PROGRAM AS PERMITTED
ABOVE, BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES
ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM
(INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING
RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD
PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY
OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS
BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
17. Interpretation of Sections 15 and 16.
If the disclaimer of warranty and limitation of liability
provided above cannot be given local legal effect
according to their terms, reviewing courts shall apply
local law that most closely approximates an absolute
waiver of all civil liability in connection with the
Program, unless a warranty or assumption of liability
accompanies a copy of the Program in return for a fee.
|
|