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  1. This file contains the license for Tor,
  2. a free software project to provide anonymity on the Internet.
  3. It also lists the licenses for other components used by Tor.
  4. For more information about Tor, see https://www.torproject.org/.
  5. If you got this file as a part of a larger bundle,
  6. there may be other license terms that you should be aware of.
  7. ===============================================================================
  8. Tor is distributed under this license:
  9. Copyright (c) 2001-2004, Roger Dingledine
  10. Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
  11. Copyright (c) 2007-2013, The Tor Project, Inc.
  12. Redistribution and use in source and binary forms, with or without
  13. modification, are permitted provided that the following conditions are
  14. met:
  15. * Redistributions of source code must retain the above copyright
  16. notice, this list of conditions and the following disclaimer.
  17. * Redistributions in binary form must reproduce the above
  18. copyright notice, this list of conditions and the following disclaimer
  19. in the documentation and/or other materials provided with the
  20. distribution.
  21. * Neither the names of the copyright owners nor the names of its
  22. contributors may be used to endorse or promote products derived from
  23. this software without specific prior written permission.
  24. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  25. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  26. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  27. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  28. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  29. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  30. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  31. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  32. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  33. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  34. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  35. ===============================================================================
  36. src/ext/strlcat.c and src/ext/strlcpy.c by Todd C. Miller are licensed
  37. under the following license:
  38. * Copyright (c) 1998 Todd C. Miller <Todd.Miller@courtesan.com>
  39. * All rights reserved.
  40. *
  41. * Redistribution and use in source and binary forms, with or without
  42. * modification, are permitted provided that the following conditions
  43. * are met:
  44. * 1. Redistributions of source code must retain the above copyright
  45. * notice, this list of conditions and the following disclaimer.
  46. * 2. Redistributions in binary form must reproduce the above copyright
  47. * notice, this list of conditions and the following disclaimer in the
  48. * documentation and/or other materials provided with the distribution.
  49. * 3. The name of the author may not be used to endorse or promote products
  50. * derived from this software without specific prior written permission.
  51. *
  52. * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
  53. * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
  54. * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
  55. * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
  56. * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
  57. * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
  58. * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
  59. * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
  60. * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
  61. * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  62. ===============================================================================
  63. src/ext/tor_queue.h is licensed under the following license:
  64. * Copyright (c) 1991, 1993
  65. * The Regents of the University of California. All rights reserved.
  66. *
  67. * Redistribution and use in source and binary forms, with or without
  68. * modification, are permitted provided that the following conditions
  69. * are met:
  70. * 1. Redistributions of source code must retain the above copyright
  71. * notice, this list of conditions and the following disclaimer.
  72. * 2. Redistributions in binary form must reproduce the above copyright
  73. * notice, this list of conditions and the following disclaimer in the
  74. * documentation and/or other materials provided with the distribution.
  75. * 3. Neither the name of the University nor the names of its contributors
  76. * may be used to endorse or promote products derived from this software
  77. * without specific prior written permission.
  78. *
  79. * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
  80. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  81. * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
  82. * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
  83. * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
  84. * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
  85. * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  86. * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
  87. * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
  88. * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
  89. * SUCH DAMAGE.
  90. ===============================================================================
  91. src/ext/csiphash.c is licensed under the following license:
  92. Copyright (c) 2013 Marek Majkowski <marek@popcount.org>
  93. Permission is hereby granted, free of charge, to any person obtaining a copy
  94. of this software and associated documentation files (the "Software"), to deal
  95. in the Software without restriction, including without limitation the rights
  96. to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  97. copies of the Software, and to permit persons to whom the Software is
  98. furnished to do so, subject to the following conditions:
  99. The above copyright notice and this permission notice shall be included in
  100. all copies or substantial portions of the Software.
  101. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  102. IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  103. FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  104. AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  105. LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  106. OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
  107. THE SOFTWARE.
  108. ===============================================================================
  109. src/config/geoip is licensed under the following license:
  110. OPEN DATA LICENSE (GeoLite Country and GeoLite City databases)
  111. Copyright (c) 2008 MaxMind, Inc. All Rights Reserved.
  112. All advertising materials and documentation mentioning features or use of
  113. this database must display the following acknowledgment:
  114. "This product includes GeoLite data created by MaxMind, available from
  115. http://maxmind.com/"
  116. Redistribution and use with or without modification, are permitted provided
  117. that the following conditions are met:
  118. 1. Redistributions must retain the above copyright notice, this list of
  119. conditions and the following disclaimer in the documentation and/or other
  120. materials provided with the distribution.
  121. 2. All advertising materials and documentation mentioning features or use of
  122. this database must display the following acknowledgement:
  123. "This product includes GeoLite data created by MaxMind, available from
  124. http://maxmind.com/"
  125. 3. "MaxMind" may not be used to endorse or promote products derived from this
  126. database without specific prior written permission.
  127. THIS DATABASE IS PROVIDED BY MAXMIND, INC ``AS IS'' AND ANY
  128. EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  129. WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  130. DISCLAIMED. IN NO EVENT SHALL MAXMIND BE LIABLE FOR ANY
  131. DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  132. (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  133. LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
  134. ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  135. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  136. DATABASE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  137. ===============================================================================
  138. m4/pc_from_ucontext.m4 is available under the following license. Note that
  139. it is *not* built into the Tor license.
  140. Copyright (c) 2005, Google Inc.
  141. All rights reserved.
  142. Redistribution and use in source and binary forms, with or without
  143. modification, are permitted provided that the following conditions are
  144. met:
  145. * Redistributions of source code must retain the above copyright
  146. notice, this list of conditions and the following disclaimer.
  147. * Redistributions in binary form must reproduce the above
  148. copyright notice, this list of conditions and the following disclaimer
  149. in the documentation and/or other materials provided with the
  150. distribution.
  151. * Neither the name of Google Inc. nor the names of its
  152. contributors may be used to endorse or promote products derived from
  153. this software without specific prior written permission.
  154. THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  155. "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  156. LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  157. A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  158. OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  159. SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  160. LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  161. DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  162. THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  163. (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  164. OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  165. ===============================================================================
  166. If you got Tor as a static binary with OpenSSL included, then you should know:
  167. "This product includes software developed by the OpenSSL Project
  168. for use in the OpenSSL Toolkit (http://www.openssl.org/)"
  169. ===============================================================================