Mercurial > dropbear
annotate LICENSE @ 1861:2b3a8026a6ce
Add re-exec for server
This allows ASLR to re-randomize the address
space for every connection, preventing some
vulnerabilities from being exploitable by
repeated probing.
Overhead (memory and time) is yet to be confirmed.
At present this is only enabled on Linux. Other BSD platforms
with fexecve() would probably also work though have not been tested.
| author | Matt Johnston <matt@ucc.asn.au> |
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| date | Sun, 30 Jan 2022 10:14:56 +0800 |
| parents | f091f7536aa5 |
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| rev | line source |
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1 Dropbear contains a number of components from different sources, hence there |
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2 are a few licenses and authors involved. All licenses are fairly |
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3 non-restrictive. |
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4 |
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5 |
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6 The majority of code is written by Matt Johnston, under the license below. |
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7 |
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8 Portions of the client-mode work are (c) 2004 Mihnea Stoenescu, under the |
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9 same license: |
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10 |
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11 Copyright (c) 2002-2020 Matt Johnston |
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12 Portions copyright (c) 2004 Mihnea Stoenescu |
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13 All rights reserved. |
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14 |
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15 Permission is hereby granted, free of charge, to any person obtaining a copy |
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16 of this software and associated documentation files (the "Software"), to deal |
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17 in the Software without restriction, including without limitation the rights |
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18 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell |
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19 copies of the Software, and to permit persons to whom the Software is |
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20 furnished to do so, subject to the following conditions: |
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21 |
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22 The above copyright notice and this permission notice shall be included in all |
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23 copies or substantial portions of the Software. |
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24 |
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25 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
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26 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
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27 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE |
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28 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
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29 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
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30 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
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31 SOFTWARE. |
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32 |
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33 ===== |
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34 |
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35 LibTomCrypt and LibTomMath are written by Tom St Denis and others, see |
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36 libtomcrypt/LICENSE and libtommath/LICENSE. |
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37 |
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38 ===== |
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39 |
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40 sshpty.c is taken from OpenSSH 3.5p1, |
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41 Copyright (c) 1995 Tatu Ylonen <[email protected]>, Espoo, Finland |
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42 All rights reserved |
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43 "As far as I am concerned, the code I have written for this software |
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44 can be used freely for any purpose. Any derived versions of this |
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45 software must be clearly marked as such, and if the derived work is |
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46 incompatible with the protocol description in the RFC file, it must be |
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47 called by a name other than "ssh" or "Secure Shell". " |
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48 |
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49 ===== |
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50 |
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51 loginrec.c |
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52 loginrec.h |
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53 atomicio.h |
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54 atomicio.c |
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55 and strlcat() (included in util.c) are from OpenSSH 3.6.1p2, and are licensed |
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56 under the 2 point BSD license. |
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57 |
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58 loginrec is written primarily by Andre Lucas, atomicio.c by Theo de Raadt. |
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59 |
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60 strlcat() is (c) Todd C. Miller |
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61 |
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62 ===== |
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63 |
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64 Import code in keyimport.c is modified from PuTTY's import.c, licensed as |
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65 follows: |
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66 |
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67 PuTTY is copyright 1997-2003 Simon Tatham. |
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68 |
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69 Portions copyright Robert de Bath, Joris van Rantwijk, Delian |
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70 Delchev, Andreas Schultz, Jeroen Massar, Wez Furlong, Nicolas Barry, |
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71 Justin Bradford, and CORE SDI S.A. |
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72 |
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73 Permission is hereby granted, free of charge, to any person |
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74 obtaining a copy of this software and associated documentation files |
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75 (the "Software"), to deal in the Software without restriction, |
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76 including without limitation the rights to use, copy, modify, merge, |
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77 publish, distribute, sublicense, and/or sell copies of the Software, |
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78 and to permit persons to whom the Software is furnished to do so, |
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79 subject to the following conditions: |
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80 |
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81 The above copyright notice and this permission notice shall be |
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82 included in all copies or substantial portions of the Software. |
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83 |
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84 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, |
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85 EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
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86 MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND |
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87 NONINFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS BE LIABLE |
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88 FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF |
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89 CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION |
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90 WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 861 | 91 |
| 92 ===== | |
| 93 | |
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94 curve25519.c: |
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95 |
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96 Modified TweetNaCl version 20140427, a self-contained public-domain C library. |
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97 https://tweetnacl.cr.yp.to/ |
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99 Contributors (alphabetical order) |
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100 Daniel J. Bernstein, University of Illinois at Chicago and Technische |
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101 Universiteit Eindhoven |
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102 Bernard van Gastel, Radboud Universiteit Nijmegen |
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103 Wesley Janssen, Radboud Universiteit Nijmegen |
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104 Tanja Lange, Technische Universiteit Eindhoven |
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105 Peter Schwabe, Radboud Universiteit Nijmegen |
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106 Sjaak Smetsers, Radboud Universiteit Nijmegen |
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107 |
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108 Acknowledgments |
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109 This work was supported by the U.S. National Science Foundation under grant |
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110 1018836. "Any opinions, findings, and conclusions or recommendations expressed |
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111 in this material are those of the author(s) and do not necessarily reflect the |
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112 views of the National Science Foundation." |
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113 This work was supported by the Netherlands Organisation for Scientific |
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114 Research (NWO) under grant 639.073.005 and Veni 2013 project 13114. |