1 This file contains the license for Tor,
2 a free software project to provide anonymity on the Internet.
4 It also lists the licenses for other components used by Tor.
6 For more information about Tor, see https://www.torproject.org/.
8 If you got this file as a part of a larger bundle,
9 there may be other license terms that you should be aware of.
11 ===============================================================================
12 Tor is distributed under this license:
14 Copyright (c) 2001-2004, Roger Dingledine
15 Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
16 Copyright (c) 2007-2019, The Tor Project, Inc.
18 Redistribution and use in source and binary forms, with or without
19 modification, are permitted provided that the following conditions are
22 * Redistributions of source code must retain the above copyright
23 notice, this list of conditions and the following disclaimer.
25 * Redistributions in binary form must reproduce the above
26 copyright notice, this list of conditions and the following disclaimer
27 in the documentation and/or other materials provided with the
30 * Neither the names of the copyright owners nor the names of its
31 contributors may be used to endorse or promote products derived from
32 this software without specific prior written permission.
34 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
35 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
36 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
37 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
38 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
39 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
40 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
41 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
42 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
43 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
44 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
45 ===============================================================================
46 src/ext/strlcat.c and src/ext/strlcpy.c by Todd C. Miller are licensed
47 under the following license:
49 * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
50 * All rights reserved.
52 * Redistribution and use in source and binary forms, with or without
53 * modification, are permitted provided that the following conditions
55 * 1. Redistributions of source code must retain the above copyright
56 * notice, this list of conditions and the following disclaimer.
57 * 2. Redistributions in binary form must reproduce the above copyright
58 * notice, this list of conditions and the following disclaimer in the
59 * documentation and/or other materials provided with the distribution.
60 * 3. The name of the author may not be used to endorse or promote products
61 * derived from this software without specific prior written permission.
63 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
64 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
65 * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
66 * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
67 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
68 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
69 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
70 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
71 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
72 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
73 ===============================================================================
74 src/ext/tor_queue.h is licensed under the following license:
76 * Copyright (c) 1991, 1993
77 * The Regents of the University of California. All rights reserved.
79 * Redistribution and use in source and binary forms, with or without
80 * modification, are permitted provided that the following conditions
82 * 1. Redistributions of source code must retain the above copyright
83 * notice, this list of conditions and the following disclaimer.
84 * 2. Redistributions in binary form must reproduce the above copyright
85 * notice, this list of conditions and the following disclaimer in the
86 * documentation and/or other materials provided with the distribution.
87 * 3. Neither the name of the University nor the names of its contributors
88 * may be used to endorse or promote products derived from this software
89 * without specific prior written permission.
91 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
92 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
93 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
94 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
95 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
96 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
97 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
98 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
99 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
100 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
103 ===============================================================================
104 src/ext/csiphash.c is licensed under the following license:
106 Copyright (c) 2013 Marek Majkowski <marek@popcount.org>
108 Permission is hereby granted, free of charge, to any person obtaining a copy
109 of this software and associated documentation files (the "Software"), to deal
110 in the Software without restriction, including without limitation the rights
111 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
112 copies of the Software, and to permit persons to whom the Software is
113 furnished to do so, subject to the following conditions:
115 The above copyright notice and this permission notice shall be included in
116 all copies or substantial portions of the Software.
118 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
119 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
120 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
121 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
122 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
123 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
125 ===============================================================================
126 Trunnel is distributed under this license:
128 Copyright 2014 The Tor Project, Inc.
130 Redistribution and use in source and binary forms, with or without
131 modification, are permitted provided that the following conditions are
134 * Redistributions of source code must retain the above copyright
135 notice, this list of conditions and the following disclaimer.
137 * Redistributions in binary form must reproduce the above
138 copyright notice, this list of conditions and the following disclaimer
139 in the documentation and/or other materials provided with the
142 * Neither the names of the copyright owners nor the names of its
143 contributors may be used to endorse or promote products derived from
144 this software without specific prior written permission.
146 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
147 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
148 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
149 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
150 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
151 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
152 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
153 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
154 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
155 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
156 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
158 ===============================================================================
159 getdelim.c is distributed under this license:
161 Copyright (c) 2011 The NetBSD Foundation, Inc.
164 This code is derived from software contributed to The NetBSD Foundation
167 Redistribution and use in source and binary forms, with or without
168 modification, are permitted provided that the following conditions
170 1. Redistributions of source code must retain the above copyright
171 notice, this list of conditions and the following disclaimer.
172 2. Redistributions in binary form must reproduce the above copyright
173 notice, this list of conditions and the following disclaimer in the
174 documentation and/or other materials provided with the distribution.
176 THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
177 ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
178 TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
179 PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
180 BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
181 CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
182 SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
183 INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
184 CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
185 ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
186 POSSIBILITY OF SUCH DAMAGE.
188 ===============================================================================
189 src/config/geoip is licensed under the following license:
191 OPEN DATA LICENSE (GeoLite Country and GeoLite City databases)
193 Copyright (c) 2008 MaxMind, Inc. All Rights Reserved.
195 All advertising materials and documentation mentioning features or use of
196 this database must display the following acknowledgment:
197 "This product includes GeoLite data created by MaxMind, available from
200 Redistribution and use with or without modification, are permitted provided
201 that the following conditions are met:
202 1. Redistributions must retain the above copyright notice, this list of
203 conditions and the following disclaimer in the documentation and/or other
204 materials provided with the distribution.
205 2. All advertising materials and documentation mentioning features or use of
206 this database must display the following acknowledgement:
207 "This product includes GeoLite data created by MaxMind, available from
209 3. "MaxMind" may not be used to endorse or promote products derived from this
210 database without specific prior written permission.
212 THIS DATABASE IS PROVIDED BY MAXMIND, INC ``AS IS'' AND ANY
213 EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
214 WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
215 DISCLAIMED. IN NO EVENT SHALL MAXMIND BE LIABLE FOR ANY
216 DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
217 (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
218 LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
219 ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
220 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
221 DATABASE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
222 ===============================================================================
223 m4/pc_from_ucontext.m4 is available under the following license. Note that
224 it is *not* built into the Tor software.
226 Copyright (c) 2005, Google Inc.
229 Redistribution and use in source and binary forms, with or without
230 modification, are permitted provided that the following conditions are
233 * Redistributions of source code must retain the above copyright
234 notice, this list of conditions and the following disclaimer.
235 * Redistributions in binary form must reproduce the above
236 copyright notice, this list of conditions and the following disclaimer
237 in the documentation and/or other materials provided with the
239 * Neither the name of Google Inc. nor the names of its
240 contributors may be used to endorse or promote products derived from
241 this software without specific prior written permission.
243 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
244 "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
245 LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
246 A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
247 OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
248 SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
249 LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
250 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
251 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
252 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
253 OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
255 ===============================================================================
256 m4/pkg.m4 is available under the following license. Note that
257 it is *not* built into the Tor software.
259 pkg.m4 - Macros to locate and utilise pkg-config. -*- Autoconf -*-
260 serial 1 (pkg-config-0.24)
262 Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
264 This program is free software; you can redistribute it and/or modify
265 it under the terms of the GNU General Public License as published by
266 the Free Software Foundation; either version 2 of the License, or
267 (at your option) any later version.
269 This program is distributed in the hope that it will be useful, but
270 WITHOUT ANY WARRANTY; without even the implied warranty of
271 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
272 General Public License for more details.
274 You should have received a copy of the GNU General Public License
275 along with this program; if not, write to the Free Software
276 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
278 As a special exception to the GNU General Public License, if you
279 distribute this file as part of a program that contains a
280 configuration script generated by Autoconf, you may include it under
281 the same distribution terms that you use for the rest of that program.
282 ===============================================================================
283 src/ext/readpassphrase.[ch] are distributed under this license:
285 Copyright (c) 2000-2002, 2007 Todd C. Miller <Todd.Miller@courtesan.com>
287 Permission to use, copy, modify, and distribute this software for any
288 purpose with or without fee is hereby granted, provided that the above
289 copyright notice and this permission notice appear in all copies.
291 THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
292 WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
293 MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
294 ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
295 WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
296 ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
297 OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
299 Sponsored in part by the Defense Advanced Research Projects
300 Agency (DARPA) and Air Force Research Laboratory, Air Force
301 Materiel Command, USAF, under agreement number F39502-99-1-0512.
303 ===============================================================================
304 src/ext/mulodi4.c is distributed under this license:
306 =========================================================================
308 =========================================================================
310 The compiler_rt library is dual licensed under both the
311 University of Illinois "BSD-Like" license and the MIT license.
312 As a user of this code you may choose to use it under either
313 license. As a contributor, you agree to allow your code to be
316 Full text of the relevant licenses is included below.
318 =========================================================================
320 University of Illinois/NCSA
323 Copyright (c) 2009-2016 by the contributors listed in CREDITS.TXT
331 University of Illinois at Urbana-Champaign
335 Permission is hereby granted, free of charge, to any person
336 obtaining a copy of this software and associated documentation
337 files (the "Software"), to deal with the Software without
338 restriction, including without limitation the rights to use,
339 copy, modify, merge, publish, distribute, sublicense, and/or sell
340 copies of the Software, and to permit persons to whom the
341 Software is furnished to do so, subject to the following
344 * Redistributions of source code must retain the above
345 copyright notice, this list of conditions and the following
348 * Redistributions in binary form must reproduce the above
349 copyright notice, this list of conditions and the following
350 disclaimers in the documentation and/or other materials
351 provided with the distribution.
353 * Neither the names of the LLVM Team, University of Illinois
354 at Urbana-Champaign, nor the names of its contributors may
355 be used to endorse or promote products derived from this
356 Software without specific prior written permission.
358 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
359 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
360 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
361 NONINFRINGEMENT. IN NO EVENT SHALL THE CONTRIBUTORS OR COPYRIGHT
362 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
363 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
364 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
365 OTHER DEALINGS WITH THE SOFTWARE.
367 =========================================================================
369 Copyright (c) 2009-2015 by the contributors listed in CREDITS.TXT
371 Permission is hereby granted, free of charge, to any person
372 obtaining a copy of this software and associated documentation
373 files (the "Software"), to deal in the Software without
374 restriction, including without limitation the rights to use,
375 copy, modify, merge, publish, distribute, sublicense, and/or sell
376 copies of the Software, and to permit persons to whom the
377 Software is furnished to do so, subject to the following
380 The above copyright notice and this permission notice shall be
381 included in all copies or substantial portions of the Software.
383 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
384 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
385 OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
386 NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
387 HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
388 WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
389 FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
390 OTHER DEALINGS IN THE SOFTWARE.
392 =========================================================================
393 Copyrights and Licenses for Third Party Software Distributed with LLVM:
394 =========================================================================
396 The LLVM software contains code written by third parties. Such
397 software will have its own individual LICENSE.TXT file in the
398 directory in which it appears. This file will describe the
399 copyrights, license, and restrictions which apply to that code.
401 The disclaimer of warranty in the University of Illinois Open
402 Source License applies to all code in the LLVM Distribution, and
403 nothing in any of the other licenses gives permission to use the
404 names of the LLVM Team or the University of Illinois to endorse
405 or promote products derived from this Software.
407 ===============================================================================
408 If you got Tor as a static binary with OpenSSL included, then you should know:
409 "This product includes software developed by the OpenSSL Project
410 for use in the OpenSSL Toolkit (http://www.openssl.org/)"
411 ===============================================================================