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1 | @c The GNU Affero General Public License. |
2 | @center Version 3, 19 November 2007 | |
3 | ||
4 | @c This file is intended to be included within another document, | |
5 | @c hence no sectioning command or @node. | |
6 | ||
7 | @display | |
8 | Copyright @copyright{} 2007 Free Software Foundation, Inc. @url{http://fsf.org/} | |
9 | ||
10 | Everyone is permitted to copy and distribute verbatim copies of this | |
11 | license document, but changing it is not allowed. | |
12 | @end display | |
13 | ||
14 | @heading Preamble | |
15 | ||
16 | The GNU Affero General Public License is a free, copyleft license | |
17 | for software and other kinds of works, specifically designed to ensure | |
18 | cooperation with the community in the case of network server software. | |
19 | ||
20 | The licenses for most software and other practical works are | |
21 | designed to take away your freedom to share and change the works. By | |
22 | contrast, our General Public Licenses are intended to guarantee your | |
23 | freedom to share and change all versions of a program--to make sure it | |
24 | remains free software for all its users. | |
25 | ||
26 | When we speak of free software, we are referring to freedom, not | |
27 | price. Our General Public Licenses are designed to make sure that you | |
28 | have the freedom to distribute copies of free software (and charge for | |
29 | them if you wish), that you receive source code or can get it if you | |
30 | want it, that you can change the software or use pieces of it in new | |
31 | free programs, and that you know you can do these things. | |
32 | ||
33 | Developers that use our General Public Licenses protect your rights | |
34 | with two steps: (1) assert copyright on the software, and (2) offer | |
35 | you this License which gives you legal permission to copy, distribute | |
36 | and/or modify the software. | |
37 | ||
38 | A secondary benefit of defending all users' freedom is that | |
39 | improvements made in alternate versions of the program, if they | |
40 | receive widespread use, become available for other developers to | |
41 | incorporate. Many developers of free software are heartened and | |
42 | encouraged by the resulting cooperation. However, in the case of | |
43 | software used on network servers, this result may fail to come about. | |
44 | The GNU General Public License permits making a modified version and | |
45 | letting the public access it on a server without ever releasing its | |
46 | source code to the public. | |
47 | ||
48 | The GNU Affero General Public License is designed specifically to | |
49 | ensure that, in such cases, the modified source code becomes available | |
50 | to the community. It requires the operator of a network server to | |
51 | provide the source code of the modified version running there to the | |
52 | users of that server. Therefore, public use of a modified version, on | |
53 | a publicly accessible server, gives the public access to the source | |
54 | code of the modified version. | |
55 | ||
56 | An older license, called the Affero General Public License and | |
57 | published by Affero, was designed to accomplish similar goals. This is | |
58 | a different license, not a version of the Affero GPL, but Affero has | |
59 | released a new version of the Affero GPL which permits relicensing under | |
60 | this license. | |
61 | ||
62 | The precise terms and conditions for copying, distribution and | |
63 | modification follow. | |
64 | ||
65 | @heading TERMS AND CONDITIONS | |
66 | ||
67 | @enumerate 0 | |
68 | @item Definitions. | |
69 | ||
70 | ``This License'' refers to version 3 of the GNU Affero General Public License. | |
71 | ||
72 | ``Copyright'' also means copyright-like laws that apply to other kinds | |
73 | of works, such as semiconductor masks. | |
74 | ||
75 | ``The Program'' refers to any copyrightable work licensed under this | |
76 | License. Each licensee is addressed as ``you''. ``Licensees'' and | |
77 | ``recipients'' may be individuals or organizations. | |
78 | ||
79 | To ``modify'' a work means to copy from or adapt all or part of the work | |
80 | in a fashion requiring copyright permission, other than the making of | |
81 | an exact copy. The resulting work is called a ``modified version'' of | |
82 | the earlier work or a work ``based on'' the earlier work. | |
83 | ||
84 | A ``covered work'' means either the unmodified Program or a work based | |
85 | on the Program. | |
86 | ||
87 | To ``propagate'' a work means to do anything with it that, without | |
88 | permission, would make you directly or secondarily liable for | |
89 | infringement under applicable copyright law, except executing it on a | |
90 | computer or modifying a private copy. Propagation includes copying, | |
91 | distribution (with or without modification), making available to the | |
92 | public, and in some countries other activities as well. | |
93 | ||
94 | To ``convey'' a work means any kind of propagation that enables other | |
95 | parties to make or receive copies. Mere interaction with a user | |
96 | through a computer network, with no transfer of a copy, is not | |
97 | conveying. | |
98 | ||
99 | An interactive user interface displays ``Appropriate Legal Notices'' to | |
100 | the extent that it includes a convenient and prominently visible | |
101 | feature that (1) displays an appropriate copyright notice, and (2) | |
102 | tells the user that there is no warranty for the work (except to the | |
103 | extent that warranties are provided), that licensees may convey the | |
104 | work under this License, and how to view a copy of this License. If | |
105 | the interface presents a list of user commands or options, such as a | |
106 | menu, a prominent item in the list meets this criterion. | |
107 | ||
108 | @item Source Code. | |
109 | ||
110 | The ``source code'' for a work means the preferred form of the work for | |
111 | making modifications to it. ``Object code'' means any non-source form | |
112 | of a work. | |
113 | ||
114 | A ``Standard Interface'' means an interface that either is an official | |
115 | standard defined by a recognized standards body, or, in the case of | |
116 | interfaces specified for a particular programming language, one that | |
117 | is widely used among developers working in that language. | |
118 | ||
119 | The ``System Libraries'' of an executable work include anything, other | |
120 | than the work as a whole, that (a) is included in the normal form of | |
121 | packaging a Major Component, but which is not part of that Major | |
122 | Component, and (b) serves only to enable use of the work with that | |
123 | Major Component, or to implement a Standard Interface for which an | |
124 | implementation is available to the public in source code form. A | |
125 | ``Major Component'', in this context, means a major essential component | |
126 | (kernel, window system, and so on) of the specific operating system | |
127 | (if any) on which the executable work runs, or a compiler used to | |
128 | produce the work, or an object code interpreter used to run it. | |
129 | ||
130 | The ``Corresponding Source'' for a work in object code form means all | |
131 | the source code needed to generate, install, and (for an executable | |
132 | work) run the object code and to modify the work, including scripts to | |
133 | control those activities. However, it does not include the work's | |
134 | System Libraries, or general-purpose tools or generally available free | |
135 | programs which are used unmodified in performing those activities but | |
136 | which are not part of the work. For example, Corresponding Source | |
137 | includes interface definition files associated with source files for | |
138 | the work, and the source code for shared libraries and dynamically | |
139 | linked subprograms that the work is specifically designed to require, | |
140 | such as by intimate data communication or control flow between those | |
141 | subprograms and other parts of the work. | |
142 | ||
143 | The Corresponding Source need not include anything that users can | |
144 | regenerate automatically from other parts of the Corresponding Source. | |
145 | ||
146 | The Corresponding Source for a work in source code form is that same | |
147 | work. | |
148 | ||
149 | @item Basic Permissions. | |
150 | ||
151 | All rights granted under this License are granted for the term of | |
152 | copyright on the Program, and are irrevocable provided the stated | |
153 | conditions are met. This License explicitly affirms your unlimited | |
154 | permission to run the unmodified Program. The output from running a | |
155 | covered work is covered by this License only if the output, given its | |
156 | content, constitutes a covered work. This License acknowledges your | |
157 | rights of fair use or other equivalent, as provided by copyright law. | |
158 | ||
159 | You may make, run and propagate covered works that you do not convey, | |
160 | without conditions so long as your license otherwise remains in force. | |
161 | You may convey covered works to others for the sole purpose of having | |
162 | them make modifications exclusively for you, or provide you with | |
163 | facilities for running those works, provided that you comply with the | |
164 | terms of this License in conveying all material for which you do not | |
165 | control copyright. Those thus making or running the covered works for | |
166 | you must do so exclusively on your behalf, under your direction and | |
167 | control, on terms that prohibit them from making any copies of your | |
168 | copyrighted material outside their relationship with you. | |
169 | ||
170 | Conveying under any other circumstances is permitted solely under the | |
171 | conditions stated below. Sublicensing is not allowed; section 10 | |
172 | makes it unnecessary. | |
173 | ||
174 | @item Protecting Users' Legal Rights From Anti-Circumvention Law. | |
175 | ||
176 | No covered work shall be deemed part of an effective technological | |
177 | measure under any applicable law fulfilling obligations under article | |
178 | 11 of the WIPO copyright treaty adopted on 20 December 1996, or | |
179 | similar laws prohibiting or restricting circumvention of such | |
180 | measures. | |
181 | ||
182 | When you convey a covered work, you waive any legal power to forbid | |
183 | circumvention of technological measures to the extent such | |
184 | circumvention is effected by exercising rights under this License with | |
185 | respect to the covered work, and you disclaim any intention to limit | |
186 | operation or modification of the work as a means of enforcing, against | |
187 | the work's users, your or third parties' legal rights to forbid | |
188 | circumvention of technological measures. | |
189 | ||
190 | @item Conveying Verbatim Copies. | |
191 | ||
192 | You may convey verbatim copies of the Program's source code as you | |
193 | receive it, in any medium, provided that you conspicuously and | |
194 | appropriately publish on each copy an appropriate copyright notice; | |
195 | keep intact all notices stating that this License and any | |
196 | non-permissive terms added in accord with section 7 apply to the code; | |
197 | keep intact all notices of the absence of any warranty; and give all | |
198 | recipients a copy of this License along with the Program. | |
199 | ||
200 | You may charge any price or no price for each copy that you convey, | |
201 | and you may offer support or warranty protection for a fee. | |
202 | ||
203 | @item Conveying Modified Source Versions. | |
204 | ||
205 | You may convey a work based on the Program, or the modifications to | |
206 | produce it from the Program, in the form of source code under the | |
207 | terms of section 4, provided that you also meet all of these | |
208 | conditions: | |
209 | ||
210 | @enumerate a | |
211 | @item | |
212 | The work must carry prominent notices stating that you modified it, | |
213 | and giving a relevant date. | |
214 | ||
215 | @item | |
216 | The work must carry prominent notices stating that it is released | |
217 | under this License and any conditions added under section 7. This | |
218 | requirement modifies the requirement in section 4 to ``keep intact all | |
219 | notices''. | |
220 | ||
221 | @item | |
222 | You must license the entire work, as a whole, under this License to | |
223 | anyone who comes into possession of a copy. This License will | |
224 | therefore apply, along with any applicable section 7 additional terms, | |
225 | to the whole of the work, and all its parts, regardless of how they | |
226 | are packaged. This License gives no permission to license the work in | |
227 | any other way, but it does not invalidate such permission if you have | |
228 | separately received it. | |
229 | ||
230 | @item | |
231 | If the work has interactive user interfaces, each must display | |
232 | Appropriate Legal Notices; however, if the Program has interactive | |
233 | interfaces that do not display Appropriate Legal Notices, your work | |
234 | need not make them do so. | |
235 | @end enumerate | |
236 | ||
237 | A compilation of a covered work with other separate and independent | |
238 | works, which are not by their nature extensions of the covered work, | |
239 | and which are not combined with it such as to form a larger program, | |
240 | in or on a volume of a storage or distribution medium, is called an | |
241 | ``aggregate'' if the compilation and its resulting copyright are not | |
242 | used to limit the access or legal rights of the compilation's users | |
243 | beyond what the individual works permit. Inclusion of a covered work | |
244 | in an aggregate does not cause this License to apply to the other | |
245 | parts of the aggregate. | |
246 | ||
247 | @item Conveying Non-Source Forms. | |
248 | ||
249 | You may convey a covered work in object code form under the terms of | |
250 | sections 4 and 5, provided that you also convey the machine-readable | |
251 | Corresponding Source under the terms of this License, in one of these | |
252 | ways: | |
253 | ||
254 | @enumerate a | |
255 | @item | |
256 | Convey the object code in, or embodied in, a physical product | |
257 | (including a physical distribution medium), accompanied by the | |
258 | Corresponding Source fixed on a durable physical medium customarily | |
259 | used for software interchange. | |
260 | ||
261 | @item | |
262 | Convey the object code in, or embodied in, a physical product | |
263 | (including a physical distribution medium), accompanied by a written | |
264 | offer, valid for at least three years and valid for as long as you | |
265 | offer spare parts or customer support for that product model, to give | |
266 | anyone who possesses the object code either (1) a copy of the | |
267 | Corresponding Source for all the software in the product that is | |
268 | covered by this License, on a durable physical medium customarily used | |
269 | for software interchange, for a price no more than your reasonable | |
270 | cost of physically performing this conveying of source, or (2) access | |
271 | to copy the Corresponding Source from a network server at no charge. | |
272 | ||
273 | @item | |
274 | Convey individual copies of the object code with a copy of the written | |
275 | offer to provide the Corresponding Source. This alternative is | |
276 | allowed only occasionally and noncommercially, and only if you | |
277 | received the object code with such an offer, in accord with subsection | |
278 | 6b. | |
279 | ||
280 | @item | |
281 | Convey the object code by offering access from a designated place | |
282 | (gratis or for a charge), and offer equivalent access to the | |
283 | Corresponding Source in the same way through the same place at no | |
284 | further charge. You need not require recipients to copy the | |
285 | Corresponding Source along with the object code. If the place to copy | |
286 | the object code is a network server, the Corresponding Source may be | |
287 | on a different server (operated by you or a third party) that supports | |
288 | equivalent copying facilities, provided you maintain clear directions | |
289 | next to the object code saying where to find the Corresponding Source. | |
290 | Regardless of what server hosts the Corresponding Source, you remain | |
291 | obligated to ensure that it is available for as long as needed to | |
292 | satisfy these requirements. | |
293 | ||
294 | @item | |
295 | Convey the object code using peer-to-peer transmission, provided you | |
296 | inform other peers where the object code and Corresponding Source of | |
297 | the work are being offered to the general public at no charge under | |
298 | subsection 6d. | |
299 | ||
300 | @end enumerate | |
301 | ||
302 | A separable portion of the object code, whose source code is excluded | |
303 | from the Corresponding Source as a System Library, need not be | |
304 | included in conveying the object code work. | |
305 | ||
306 | A ``User Product'' is either (1) a ``consumer product'', which means any | |
307 | tangible personal property which is normally used for personal, | |
308 | family, or household purposes, or (2) anything designed or sold for | |
309 | incorporation into a dwelling. In determining whether a product is a | |
310 | consumer product, doubtful cases shall be resolved in favor of | |
311 | coverage. For a particular product received by a particular user, | |
312 | ``normally used'' refers to a typical or common use of that class of | |
313 | product, regardless of the status of the particular user or of the way | |
314 | in which the particular user actually uses, or expects or is expected | |
315 | to use, the product. A product is a consumer product regardless of | |
316 | whether the product has substantial commercial, industrial or | |
317 | non-consumer uses, unless such uses represent the only significant | |
318 | mode of use of the product. | |
319 | ||
320 | ``Installation Information'' for a User Product means any methods, | |
321 | procedures, authorization keys, or other information required to | |
322 | install and execute modified versions of a covered work in that User | |
323 | Product from a modified version of its Corresponding Source. The | |
324 | information must suffice to ensure that the continued functioning of | |
325 | the modified object code is in no case prevented or interfered with | |
326 | solely because modification has been made. | |
327 | ||
328 | If you convey an object code work under this section in, or with, or | |
329 | specifically for use in, a User Product, and the conveying occurs as | |
330 | part of a transaction in which the right of possession and use of the | |
331 | User Product is transferred to the recipient in perpetuity or for a | |
332 | fixed term (regardless of how the transaction is characterized), the | |
333 | Corresponding Source conveyed under this section must be accompanied | |
334 | by the Installation Information. But this requirement does not apply | |
335 | if neither you nor any third party retains the ability to install | |
336 | modified object code on the User Product (for example, the work has | |
337 | been installed in ROM). | |
338 | ||
339 | The requirement to provide Installation Information does not include a | |
340 | requirement to continue to provide support service, warranty, or | |
341 | updates for a work that has been modified or installed by the | |
342 | recipient, or for the User Product in which it has been modified or | |
343 | installed. Access to a network may be denied when the modification | |
344 | itself materially and adversely affects the operation of the network | |
345 | or violates the rules and protocols for communication across the | |
346 | network. | |
347 | ||
348 | Corresponding Source conveyed, and Installation Information provided, | |
349 | in accord with this section must be in a format that is publicly | |
350 | documented (and with an implementation available to the public in | |
351 | source code form), and must require no special password or key for | |
352 | unpacking, reading or copying. | |
353 | ||
354 | @item Additional Terms. | |
355 | ||
356 | ``Additional permissions'' are terms that supplement the terms of this | |
357 | License by making exceptions from one or more of its conditions. | |
358 | Additional permissions that are applicable to the entire Program shall | |
359 | be treated as though they were included in this License, to the extent | |
360 | that they are valid under applicable law. If additional permissions | |
361 | apply only to part of the Program, that part may be used separately | |
362 | under those permissions, but the entire Program remains governed by | |
363 | this License without regard to the additional permissions. | |
364 | ||
365 | When you convey a copy of a covered work, you may at your option | |
366 | remove any additional permissions from that copy, or from any part of | |
367 | it. (Additional permissions may be written to require their own | |
368 | removal in certain cases when you modify the work.) You may place | |
369 | additional permissions on material, added by you to a covered work, | |
370 | for which you have or can give appropriate copyright permission. | |
371 | ||
372 | Notwithstanding any other provision of this License, for material you | |
373 | add to a covered work, you may (if authorized by the copyright holders | |
374 | of that material) supplement the terms of this License with terms: | |
375 | ||
376 | @enumerate a | |
377 | @item | |
378 | Disclaiming warranty or limiting liability differently from the terms | |
379 | of sections 15 and 16 of this License; or | |
380 | ||
381 | @item | |
382 | Requiring preservation of specified reasonable legal notices or author | |
383 | attributions in that material or in the Appropriate Legal Notices | |
384 | displayed by works containing it; or | |
385 | ||
386 | @item | |
387 | Prohibiting misrepresentation of the origin of that material, or | |
388 | requiring that modified versions of such material be marked in | |
389 | reasonable ways as different from the original version; or | |
390 | ||
391 | @item | |
392 | Limiting the use for publicity purposes of names of licensors or | |
393 | authors of the material; or | |
394 | ||
395 | @item | |
396 | Declining to grant rights under trademark law for use of some trade | |
397 | names, trademarks, or service marks; or | |
398 | ||
399 | @item | |
400 | Requiring indemnification of licensors and authors of that material by | |
401 | anyone who conveys the material (or modified versions of it) with | |
402 | contractual assumptions of liability to the recipient, for any | |
403 | liability that these contractual assumptions directly impose on those | |
404 | licensors and authors. | |
405 | @end enumerate | |
406 | ||
407 | All other non-permissive additional terms are considered ``further | |
408 | restrictions'' within the meaning of section 10. If the Program as you | |
409 | received it, or any part of it, contains a notice stating that it is | |
410 | governed by this License along with a term that is a further | |
411 | restriction, you may remove that term. If a license document contains | |
412 | a further restriction but permits relicensing or conveying under this | |
413 | License, you may add to a covered work material governed by the terms | |
414 | of that license document, provided that the further restriction does | |
415 | not survive such relicensing or conveying. | |
416 | ||
417 | If you add terms to a covered work in accord with this section, you | |
418 | must place, in the relevant source files, a statement of the | |
419 | additional terms that apply to those files, or a notice indicating | |
420 | where to find the applicable terms. | |
421 | ||
422 | Additional terms, permissive or non-permissive, may be stated in the | |
423 | form of a separately written license, or stated as exceptions; the | |
424 | above requirements apply either way. | |
425 | ||
426 | @item Termination. | |
427 | ||
428 | You may not propagate or modify a covered work except as expressly | |
429 | provided under this License. Any attempt otherwise to propagate or | |
430 | modify it is void, and will automatically terminate your rights under | |
431 | this License (including any patent licenses granted under the third | |
432 | paragraph of section 11). | |
433 | ||
434 | However, if you cease all violation of this License, then your license | |
435 | from a particular copyright holder is reinstated (a) provisionally, | |
436 | unless and until the copyright holder explicitly and finally | |
437 | terminates your license, and (b) permanently, if the copyright holder | |
438 | fails to notify you of the violation by some reasonable means prior to | |
439 | 60 days after the cessation. | |
440 | ||
441 | Moreover, your license from a particular copyright holder is | |
442 | reinstated permanently if the copyright holder notifies you of the | |
443 | violation by some reasonable means, this is the first time you have | |
444 | received notice of violation of this License (for any work) from that | |
445 | copyright holder, and you cure the violation prior to 30 days after | |
446 | your receipt of the notice. | |
447 | ||
448 | Termination of your rights under this section does not terminate the | |
449 | licenses of parties who have received copies or rights from you under | |
450 | this License. If your rights have been terminated and not permanently | |
451 | reinstated, you do not qualify to receive new licenses for the same | |
452 | material under section 10. | |
453 | ||
454 | @item Acceptance Not Required for Having Copies. | |
455 | ||
456 | You are not required to accept this License in order to receive or run | |
457 | a copy of the Program. Ancillary propagation of a covered work | |
458 | occurring solely as a consequence of using peer-to-peer transmission | |
459 | to receive a copy likewise does not require acceptance. However, | |
460 | nothing other than this License grants you permission to propagate or | |
461 | modify any covered work. These actions infringe copyright if you do | |
462 | not accept this License. Therefore, by modifying or propagating a | |
463 | covered work, you indicate your acceptance of this License to do so. | |
464 | ||
465 | @item Automatic Licensing of Downstream Recipients. | |
466 | ||
467 | Each time you convey a covered work, the recipient automatically | |
468 | receives a license from the original licensors, to run, modify and | |
469 | propagate that work, subject to this License. You are not responsible | |
470 | for enforcing compliance by third parties with this License. | |
471 | ||
472 | An ``entity transaction'' is a transaction transferring control of an | |
473 | organization, or substantially all assets of one, or subdividing an | |
474 | organization, or merging organizations. If propagation of a covered | |
475 | work results from an entity transaction, each party to that | |
476 | transaction who receives a copy of the work also receives whatever | |
477 | licenses to the work the party's predecessor in interest had or could | |
478 | give under the previous paragraph, plus a right to possession of the | |
479 | Corresponding Source of the work from the predecessor in interest, if | |
480 | the predecessor has it or can get it with reasonable efforts. | |
481 | ||
482 | You may not impose any further restrictions on the exercise of the | |
483 | rights granted or affirmed under this License. For example, you may | |
484 | not impose a license fee, royalty, or other charge for exercise of | |
485 | rights granted under this License, and you may not initiate litigation | |
486 | (including a cross-claim or counterclaim in a lawsuit) alleging that | |
487 | any patent claim is infringed by making, using, selling, offering for | |
488 | sale, or importing the Program or any portion of it. | |
489 | ||
490 | @item Patents. | |
491 | ||
492 | A ``contributor'' is a copyright holder who authorizes use under this | |
493 | License of the Program or a work on which the Program is based. The | |
494 | work thus licensed is called the contributor's ``contributor version''. | |
495 | ||
496 | A contributor's ``essential patent claims'' are all patent claims owned | |
497 | or controlled by the contributor, whether already acquired or | |
498 | hereafter acquired, that would be infringed by some manner, permitted | |
499 | by this License, of making, using, or selling its contributor version, | |
500 | but do not include claims that would be infringed only as a | |
501 | consequence of further modification of the contributor version. For | |
502 | purposes of this definition, ``control'' includes the right to grant | |
503 | patent sublicenses in a manner consistent with the requirements of | |
504 | this License. | |
505 | ||
506 | Each contributor grants you a non-exclusive, worldwide, royalty-free | |
507 | patent license under the contributor's essential patent claims, to | |
508 | make, use, sell, offer for sale, import and otherwise run, modify and | |
509 | propagate the contents of its contributor version. | |
510 | ||
511 | In the following three paragraphs, a ``patent license'' is any express | |
512 | agreement or commitment, however denominated, not to enforce a patent | |
513 | (such as an express permission to practice a patent or covenant not to | |
514 | sue for patent infringement). To ``grant'' such a patent license to a | |
515 | party means to make such an agreement or commitment not to enforce a | |
516 | patent against the party. | |
517 | ||
518 | If you convey a covered work, knowingly relying on a patent license, | |
519 | and the Corresponding Source of the work is not available for anyone | |
520 | to copy, free of charge and under the terms of this License, through a | |
521 | publicly available network server or other readily accessible means, | |
522 | then you must either (1) cause the Corresponding Source to be so | |
523 | available, or (2) arrange to deprive yourself of the benefit of the | |
524 | patent license for this particular work, or (3) arrange, in a manner | |
525 | consistent with the requirements of this License, to extend the patent | |
526 | license to downstream recipients. ``Knowingly relying'' means you have | |
527 | actual knowledge that, but for the patent license, your conveying the | |
528 | covered work in a country, or your recipient's use of the covered work | |
529 | in a country, would infringe one or more identifiable patents in that | |
530 | country that you have reason to believe are valid. | |
531 | ||
532 | If, pursuant to or in connection with a single transaction or | |
533 | arrangement, you convey, or propagate by procuring conveyance of, a | |
534 | covered work, and grant a patent license to some of the parties | |
535 | receiving the covered work authorizing them to use, propagate, modify | |
536 | or convey a specific copy of the covered work, then the patent license | |
537 | you grant is automatically extended to all recipients of the covered | |
538 | work and works based on it. | |
539 | ||
540 | A patent license is ``discriminatory'' if it does not include within the | |
541 | scope of its coverage, prohibits the exercise of, or is conditioned on | |
542 | the non-exercise of one or more of the rights that are specifically | |
543 | granted under this License. You may not convey a covered work if you | |
544 | are a party to an arrangement with a third party that is in the | |
545 | business of distributing software, under which you make payment to the | |
546 | third party based on the extent of your activity of conveying the | |
547 | work, and under which the third party grants, to any of the parties | |
548 | who would receive the covered work from you, a discriminatory patent | |
549 | license (a) in connection with copies of the covered work conveyed by | |
550 | you (or copies made from those copies), or (b) primarily for and in | |
551 | connection with specific products or compilations that contain the | |
552 | covered work, unless you entered into that arrangement, or that patent | |
553 | license was granted, prior to 28 March 2007. | |
554 | ||
555 | Nothing in this License shall be construed as excluding or limiting | |
556 | any implied license or other defenses to infringement that may | |
557 | otherwise be available to you under applicable patent law. | |
558 | ||
559 | @item No Surrender of Others' Freedom. | |
560 | ||
561 | If conditions are imposed on you (whether by court order, agreement or | |
562 | otherwise) that contradict the conditions of this License, they do not | |
563 | excuse you from the conditions of this License. If you cannot convey | |
564 | a covered work so as to satisfy simultaneously your obligations under | |
565 | this License and any other pertinent obligations, then as a | |
566 | consequence you may not convey it at all. For example, if you agree | |
567 | to terms that obligate you to collect a royalty for further conveying | |
568 | from those to whom you convey the Program, the only way you could | |
569 | satisfy both those terms and this License would be to refrain entirely | |
570 | from conveying the Program. | |
571 | ||
572 | @item Remote Network Interaction; Use with the GNU General Public License. | |
573 | ||
574 | Notwithstanding any other provision of this License, if you modify the | |
575 | Program, your modified version must prominently offer all users interacting | |
576 | with it remotely through a computer network (if your version supports such | |
577 | interaction) an opportunity to receive the Corresponding Source of your | |
578 | version by providing access to the Corresponding Source from a network | |
579 | server at no charge, through some standard or customary means of | |
580 | facilitating copying of software. This Corresponding Source shall include | |
581 | the Corresponding Source for any work covered by version 3 of the GNU | |
582 | General Public License that is incorporated pursuant to the following | |
583 | paragraph. | |
584 | ||
585 | Notwithstanding any other provision of this License, you have permission to | |
586 | link or combine any covered work with a work licensed under version 3 of | |
587 | the GNU General Public License into a single combined work, and to convey | |
588 | the resulting work. The terms of this License will continue to apply to | |
589 | the part which is the covered work, but the work with which it is combined | |
590 | will remain governed by version 3 of the GNU General Public License. | |
591 | ||
592 | @item Revised Versions of this License. | |
593 | ||
594 | The Free Software Foundation may publish revised and/or new versions | |
595 | of the GNU Affero General Public License from time to time. Such new | |
596 | versions will be similar in spirit to the present version, but may | |
597 | differ in detail to address new problems or concerns. | |
598 | ||
599 | Each version is given a distinguishing version number. If the Program | |
600 | specifies that a certain numbered version of the GNU Affero General Public | |
601 | License ``or any later version'' applies to it, you have the option of | |
602 | following the terms and conditions either of that numbered version or | |
603 | of any later version published by the Free Software Foundation. If | |
604 | the Program does not specify a version number of the GNU Affero General | |
605 | Public License, you may choose any version ever published by the Free | |
606 | Software Foundation. | |
607 | ||
608 | If the Program specifies that a proxy can decide which future versions | |
609 | of the GNU Affero General Public License can be used, that proxy's public | |
610 | statement of acceptance of a version permanently authorizes you to | |
611 | choose that version for the Program. | |
612 | ||
613 | Later license versions may give you additional or different | |
614 | permissions. However, no additional obligations are imposed on any | |
615 | author or copyright holder as a result of your choosing to follow a | |
616 | later version. | |
617 | ||
618 | @item Disclaimer of Warranty. | |
619 | ||
620 | THERE IS NO WARRANTY FOR THE PROGRAM, TO THE EXTENT PERMITTED BY | |
621 | APPLICABLE LAW. EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT | |
622 | HOLDERS AND/OR OTHER PARTIES PROVIDE THE PROGRAM ``AS IS'' WITHOUT | |
623 | WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT | |
624 | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR | |
625 | A PARTICULAR PURPOSE. THE ENTIRE RISK AS TO THE QUALITY AND | |
626 | PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE PROGRAM PROVE | |
627 | DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR OR | |
628 | CORRECTION. | |
629 | ||
630 | @item Limitation of Liability. | |
631 | ||
632 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING | |
633 | WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MODIFIES AND/OR | |
634 | CONVEYS THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES, | |
635 | INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES | |
636 | ARISING OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT | |
637 | NOT LIMITED TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR | |
638 | LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM | |
639 | TO OPERATE WITH ANY OTHER PROGRAMS), EVEN IF SUCH HOLDER OR OTHER | |
640 | PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. | |
641 | ||
642 | @item Interpretation of Sections 15 and 16. | |
643 | ||
644 | If the disclaimer of warranty and limitation of liability provided | |
645 | above cannot be given local legal effect according to their terms, | |
646 | reviewing courts shall apply local law that most closely approximates | |
647 | an absolute waiver of all civil liability in connection with the | |
648 | Program, unless a warranty or assumption of liability accompanies a | |
649 | copy of the Program in return for a fee. | |
650 | ||
651 | @end enumerate | |
652 | ||
653 | @heading END OF TERMS AND CONDITIONS | |
654 | ||
655 | @heading How to Apply These Terms to Your New Programs | |
656 | ||
657 | If you develop a new program, and you want it to be of the greatest | |
658 | possible use to the public, the best way to achieve this is to make it | |
659 | free software which everyone can redistribute and change under these | |
660 | terms. | |
661 | ||
662 | To do so, attach the following notices to the program. It is safest | |
663 | to attach them to the start of each source file to most effectively | |
664 | state the exclusion of warranty; and each file should have at least | |
665 | the ``copyright'' line and a pointer to where the full notice is found. | |
666 | ||
667 | @smallexample | |
668 | @var{one line to give the program's name and a brief idea of what it does.} | |
669 | Copyright (C) @var{year} @var{name of author} | |
670 | ||
671 | This program is free software: you can redistribute it and/or modify | |
672 | it under the terms of the GNU Affero General Public License as published by | |
673 | the Free Software Foundation, either version 3 of the License, or (at | |
674 | your option) any later version. | |
675 | ||
676 | This program is distributed in the hope that it will be useful, but | |
677 | WITHOUT ANY WARRANTY; without even the implied warranty of | |
678 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
679 | Affero General Public License for more details. | |
680 | ||
681 | You should have received a copy of the GNU Affero General Public License | |
682 | along with this program. If not, see @url{http://www.gnu.org/licenses/}. | |
683 | @end smallexample | |
684 | ||
685 | Also add information on how to contact you by electronic and paper mail. | |
686 | ||
687 | If your software can interact with users remotely through a computer | |
688 | network, you should also make sure that it provides a way for users to | |
689 | get its source. For example, if your program is a web application, its | |
690 | interface could display a ``Source'' link that leads users to an archive | |
691 | of the code. There are many ways you could offer source, and different | |
692 | solutions will be better for different programs; see section 13 for the | |
693 | specific requirements. | |
694 | ||
695 | You should also get your employer (if you work as a programmer) or school, | |
696 | if any, to sign a ``copyright disclaimer'' for the program, if necessary. | |
697 | For more information on this, and how to apply and follow the GNU AGPL, see | |
698 | @url{http://www.gnu.org/licenses/}. |