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  1.                     This file contains the license for Tor,
    2. 

  2.         a free software project to provide anonymity on the Internet.
    3. 

  3. 

  4.         It also lists the licenses for other components used by Tor.
    5. 

  5. 

  6.        For more information about Tor, see https://www.torproject.org/.
    7. 

  7. 

  8.              If you got this file as a part of a larger bundle,
    9. 

  9.         there may be other license terms that you should be aware of.
    10. 

  10. 

  11. ===============================================================================
    12. 

  12. Tor is distributed under this license:
    13. 

  13. 

  14. Copyright (c) 2001-2004, Roger Dingledine
    15. 

  15. Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
    16. 

  16. Copyright (c) 2007-2014, The Tor Project, Inc.
    17. 

  17. 

  18. Redistribution and use in source and binary forms, with or without
    19. 

  19. modification, are permitted provided that the following conditions are
    20. 

  20. met:
    21. 

  21. 

  22.     * Redistributions of source code must retain the above copyright
    23. 

  23. notice, this list of conditions and the following disclaimer.
    24. 

  24. 

  25.     * Redistributions in binary form must reproduce the above
    26. 

  26. copyright notice, this list of conditions and the following disclaimer
    27. 

  27. in the documentation and/or other materials provided with the
    28. 

  28. distribution.
    29. 

  29. 

  30.     * Neither the names of the copyright owners nor the names of its
    31. 

  31. contributors may be used to endorse or promote products derived from
    32. 

  32. this software without specific prior written permission.
    33. 

  33. 

  34. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    35. 

  35. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    36. 

  36. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    37. 

  37. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    38. 

  38. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    39. 

  39. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    40. 

  40. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    41. 

  41. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    42. 

  42. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    43. 

  43. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    44. 

  44. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    45. 

  45. ===============================================================================
    46. 

  46. src/ext/strlcat.c and src/ext/strlcpy.c by Todd C. Miller are licensed
    47. 

  47. under the following license:
    48. 

  48. 

  49.  * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
    50. 

  50.  * All rights reserved.
    51. 

  51.  *
    52. 

  52.  * Redistribution and use in source and binary forms, with or without
    53. 

  53.  * modification, are permitted provided that the following conditions
    54. 

  54.  * are met:
    55. 

  55.  * 1. Redistributions of source code must retain the above copyright
    56. 

  56.  *    notice, this list of conditions and the following disclaimer.
    57. 

  57.  * 2. Redistributions in binary form must reproduce the above copyright
    58. 

  58.  *    notice, this list of conditions and the following disclaimer in the
    59. 

  59.  *    documentation and/or other materials provided with the distribution.
    60. 

  60.  * 3. The name of the author may not be used to endorse or promote products
    61. 

  61.  *    derived from this software without specific prior written permission.
    62. 

  62.  *
    63. 

  63.  * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
    64. 

  64.  * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
    65. 

  65.  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL
    66. 

  66.  * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
    67. 

  67.  * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
    68. 

  68.  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
    69. 

  69.  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
    70. 

  70.  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
    71. 

  71.  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
    72. 

  72.  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    73. 

  73. ===============================================================================
    74. 

  74. src/ext/tor_queue.h is licensed under the following license:
    75. 

  75. 

  76.  * Copyright (c) 1991, 1993
    77. 

  77.  *      The Regents of the University of California.  All rights reserved.
    78. 

  78.  *
    79. 

  79.  * Redistribution and use in source and binary forms, with or without
    80. 

  80.  * modification, are permitted provided that the following conditions
    81. 

  81.  * are met:
    82. 

  82.  * 1. Redistributions of source code must retain the above copyright
    83. 

  83.  *    notice, this list of conditions and the following disclaimer.
    84. 

  84.  * 2. Redistributions in binary form must reproduce the above copyright
    85. 

  85.  *    notice, this list of conditions and the following disclaimer in the
    86. 

  86.  *    documentation and/or other materials provided with the distribution.
    87. 

  87.  * 3. Neither the name of the University nor the names of its contributors
    88. 

  88.  *    may be used to endorse or promote products derived from this software
    89. 

  89.  *    without specific prior written permission.
    90. 

  90.  *
    91. 

  91.  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
    92. 

  92.  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
    93. 

  93.  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
    94. 

  94.  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
    95. 

  95.  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
    96. 

  96.  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
    97. 

  97.  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
    98. 

  98.  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
    99. 

  99.  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
    100. 

  100.  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
    101. 

  101.  * SUCH DAMAGE.
    102. 

  102. 

  103. ===============================================================================
    104. 

  104. src/ext/csiphash.c is licensed under the following license:
    105. 

  105. 

  106.  Copyright (c) 2013  Marek Majkowski <marek@popcount.org>
    107. 

  107. 

  108.  Permission is hereby granted, free of charge, to any person obtaining a copy
    109. 

  109.  of this software and associated documentation files (the "Software"), to deal
    110. 

  110.  in the Software without restriction, including without limitation the rights
    111. 

  111.  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
    112. 

  112.  copies of the Software, and to permit persons to whom the Software is
    113. 

  113.  furnished to do so, subject to the following conditions:
    114. 

  114. 

  115.  The above copyright notice and this permission notice shall be included in
    116. 

  116.  all copies or substantial portions of the Software.
    117. 

  117. 

  118.  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
    119. 

  119.  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
    120. 

  120.  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
    121. 

  121.  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
    122. 

  122.  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
    123. 

  123.  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
    124. 

  124.  THE SOFTWARE.
    125. 

  125. ===============================================================================
    126. 

  126. Trunnel is distributed under this license:
    127. 

  127. 

  128. Copyright 2014  The Tor Project, Inc.
    129. 

  129. 

  130. Redistribution and use in source and binary forms, with or without
    131. 

  131. modification, are permitted provided that the following conditions are
    132. 

  132. met:
    133. 

  133. 

  134.     * Redistributions of source code must retain the above copyright
    135. 

  135. notice, this list of conditions and the following disclaimer.
    136. 

  136. 

  137.     * Redistributions in binary form must reproduce the above
    138. 

  138. copyright notice, this list of conditions and the following disclaimer
    139. 

  139. in the documentation and/or other materials provided with the
    140. 

  140. distribution.
    141. 

  141. 

  142.     * Neither the names of the copyright owners nor the names of its
    143. 

  143. contributors may be used to endorse or promote products derived from
    144. 

  144. this software without specific prior written permission.
    145. 

  145. 

  146. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    147. 

  147. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    148. 

  148. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    149. 

  149. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    150. 

  150. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    151. 

  151. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    152. 

  152. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    153. 

  153. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    154. 

  154. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    155. 

  155. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    156. 

  156. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    157. 

  157. 

  158. ===============================================================================
    159. 

  159. src/config/geoip is licensed under the following license:
    160. 

  160. 

  161. OPEN DATA LICENSE (GeoLite Country and GeoLite City databases)
    162. 

  162. 

  163. Copyright (c) 2008 MaxMind, Inc.  All Rights Reserved.
    164. 

  164. 

  165. All advertising materials and documentation mentioning features or use of
    166. 

  166. this database must display the following acknowledgment:
    167. 

  167. "This product includes GeoLite data created by MaxMind, available from
    168. 

  168. http://maxmind.com/"
    169. 

  169. 

  170. Redistribution and use with or without modification, are permitted provided
    171. 

  171. that the following conditions are met:
    172. 

  172. 1. Redistributions must retain the above copyright notice, this list of
    173. 

  173. conditions and the following disclaimer in the documentation and/or other
    174. 

  174. materials provided with the distribution.
    175. 

  175. 2. All advertising materials and documentation mentioning features or use of
    176. 

  176. this database must display the following acknowledgement:
    177. 

  177. "This product includes GeoLite data created by MaxMind, available from
    178. 

  178. http://maxmind.com/"
    179. 

  179. 3. "MaxMind" may not be used to endorse or promote products derived from this
    180. 

  180. database without specific prior written permission.
    181. 

  181. 

  182. THIS DATABASE IS PROVIDED BY MAXMIND, INC ``AS IS'' AND ANY
    183. 

  183. EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
    184. 

  184. WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
    185. 

  185. DISCLAIMED. IN NO EVENT SHALL MAXMIND BE LIABLE FOR ANY
    186. 

  186. DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
    187. 

  187. (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
    188. 

  188. LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
    189. 

  189. ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    190. 

  190. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
    191. 

  191. DATABASE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    192. 

  192. ===============================================================================
    193. 

  193. m4/pc_from_ucontext.m4 is available under the following license.  Note that
    194. 

  194. it is *not* built into the Tor software.
    195. 

  195. 

  196. Copyright (c) 2005, Google Inc.
    197. 

  197. All rights reserved.
    198. 

  198. 

  199. Redistribution and use in source and binary forms, with or without
    200. 

  200. modification, are permitted provided that the following conditions are
    201. 

  201. met:
    202. 

  202. 

  203.     * Redistributions of source code must retain the above copyright
    204. 

  204. notice, this list of conditions and the following disclaimer.
    205. 

  205.     * Redistributions in binary form must reproduce the above
    206. 

  206. copyright notice, this list of conditions and the following disclaimer
    207. 

  207. in the documentation and/or other materials provided with the
    208. 

  208. distribution.
    209. 

  209.     * Neither the name of Google Inc. nor the names of its
    210. 

  210. contributors may be used to endorse or promote products derived from
    211. 

  211. this software without specific prior written permission.
    212. 

  212. 

  213. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
    214. 

  214. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
    215. 

  215. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
    216. 

  216. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
    217. 

  217. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
    218. 

  218. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
    219. 

  219. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    220. 

  220. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    221. 

  221. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    222. 

  222. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
    223. 

  223. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    224. 

  224. 

  225. ===============================================================================
    226. 

  226. m4/pkg.m4 is available under the following license.  Note that
    227. 

  227. it is *not* built into the Tor software.
    228. 

  228. 

  229. pkg.m4 - Macros to locate and utilise pkg-config.            -*- Autoconf -*-
    230. 

  230. serial 1 (pkg-config-0.24)
    231. 

  231. 

  232. Copyright © 2004 Scott James Remnant <scott@netsplit.com>.
    233. 

  233. 

  234. This program is free software; you can redistribute it and/or modify
    235. 

  235. it under the terms of the GNU General Public License as published by
    236. 

  236. the Free Software Foundation; either version 2 of the License, or
    237. 

  237. (at your option) any later version.
    238. 

  238. 

  239. This program is distributed in the hope that it will be useful, but
    240. 

  240. WITHOUT ANY WARRANTY; without even the implied warranty of
    241. 

  241. MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    242. 

  242. General Public License for more details.
    243. 

  243. 

  244. You should have received a copy of the GNU General Public License
    245. 

  245. along with this program; if not, write to the Free Software
    246. 

  246. Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
    247. 

  247. 

  248. As a special exception to the GNU General Public License, if you
    249. 

  249. distribute this file as part of a program that contains a
    250. 

  250. configuration script generated by Autoconf, you may include it under
    251. 

  251. the same distribution terms that you use for the rest of that program.
    252. 

  252. 

  253. 

  254. ===============================================================================
    255. 

  255. If you got Tor as a static binary with OpenSSL included, then you should know:
    256. 

  256.  "This product includes software developed by the OpenSSL Project
    257. 

  257.  for use in the OpenSSL Toolkit (http://www.openssl.org/)"
    258. 

  258. ===============================================================================
    259.