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     1 Oracle elects to use only the GNU Lesser General Public License version
       
     2 2.1 (LGPL)/GNU General Public License version 2 (GPL) for any software
       
     3 where a choice of LGPL/GPL license versions are made available with the
       
     4 language indicating that LGPLv2.1/GPLv2 or any later version may be
       
     5 used, or where a choice of which version of the LGPL/GPL is applied is
       
     6 unspecified.  Unless specifically stated otherwise, where a choice
       
     7 exists between another license and either the GPL or the LGPL, Oracle
       
     8 chooses the other license.
       
     9 
       
    10 --------------------------------------------------------------------
       
    11 
       
    12 Copyright (C) 2002-2008 Sourcefire, Inc.
       
    13 Copyright (C) 1998-2002 Martin Roesch <[email protected]>
       
    14 
       
    15 --------------------------------------------------------------------
       
    16 
       
    17                     GNU GENERAL PUBLIC LICENSE
       
    18                        Version 2, June 1991
       
    19 
       
    20  Copyright (C) 1989, 1991 Free Software Foundation, Inc.
       
    21  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
       
    22  Everyone is permitted to copy and distribute verbatim copies
       
    23  of this license document, but changing it is not allowed.
       
    24 
       
    25                             Preamble
       
    26 
       
    27   The licenses for most software are designed to take away your
       
    28 freedom to share and change it.  By contrast, the GNU General Public
       
    29 License is intended to guarantee your freedom to share and change free
       
    30 software--to make sure the software is free for all its users.  This
       
    31 General Public License applies to most of the Free Software
       
    32 Foundation's software and to any other program whose authors commit to
       
    33 using it.  (Some other Free Software Foundation software is covered by
       
    34 the GNU Library General Public License instead.)  You can apply it to
       
    35 your programs, too.
       
    36 
       
    37   When we speak of free software, we are referring to freedom, not
       
    38 price.  Our General Public Licenses are designed to make sure that you
       
    39 have the freedom to distribute copies of free software (and charge for
       
    40 this service if you wish), that you receive source code or can get it
       
    41 if you want it, that you can change the software or use pieces of it
       
    42 in new free programs; and that you know you can do these things.
       
    43 
       
    44   To protect your rights, we need to make restrictions that forbid
       
    45 anyone to deny you these rights or to ask you to surrender the rights.
       
    46 These restrictions translate to certain responsibilities for you if you
       
    47 distribute copies of the software, or if you modify it.
       
    48 
       
    49   For example, if you distribute copies of such a program, whether
       
    50 gratis or for a fee, you must give the recipients all the rights that
       
    51 you have.  You must make sure that they, too, receive or can get the
       
    52 source code.  And you must show them these terms so they know their
       
    53 rights.
       
    54 
       
    55   We protect your rights with two steps: (1) copyright the software, and
       
    56 (2) offer you this license which gives you legal permission to copy,
       
    57 distribute and/or modify the software.
       
    58 
       
    59   Also, for each author's protection and ours, we want to make certain
       
    60 that everyone understands that there is no warranty for this free
       
    61 software.  If the software is modified by someone else and passed on, we
       
    62 want its recipients to know that what they have is not the original, so
       
    63 that any problems introduced by others will not reflect on the original
       
    64 authors' reputations.
       
    65 
       
    66   Finally, any free program is threatened constantly by software
       
    67 patents.  We wish to avoid the danger that redistributors of a free
       
    68 program will individually obtain patent licenses, in effect making the
       
    69 program proprietary.  To prevent this, we have made it clear that any
       
    70 patent must be licensed for everyone's free use or not licensed at all.
       
    71 
       
    72   The precise terms and conditions for copying, distribution and
       
    73 modification follow.
       
    74 
       
    75                     GNU GENERAL PUBLIC LICENSE
       
    76    TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
       
    77 
       
    78   0. This License applies to any program or other work which contains
       
    79 a notice placed by the copyright holder saying it may be distributed
       
    80 under the terms of this General Public License.  The "Program", below,
       
    81 refers to any such program or work, and a "work based on the Program"
       
    82 means either the Program or any derivative work under copyright law:
       
    83 that is to say, a work containing the Program or a portion of it,
       
    84 either verbatim or with modifications and/or translated into another
       
    85 language.  (Hereinafter, translation is included without limitation in
       
    86 the term "modification".)  Each licensee is addressed as "you".
       
    87 
       
    88 Activities other than copying, distribution and modification are not
       
    89 covered by this License; they are outside its scope.  The act of
       
    90 running the Program is not restricted, and the output from the Program
       
    91 is covered only if its contents constitute a work based on the
       
    92 Program (independent of having been made by running the Program).
       
    93 Whether that is true depends on what the Program does.
       
    94 
       
    95   1. You may copy and distribute verbatim copies of the Program's
       
    96 source code as you receive it, in any medium, provided that you
       
    97 conspicuously and appropriately publish on each copy an appropriate
       
    98 copyright notice and disclaimer of warranty; keep intact all the
       
    99 notices that refer to this License and to the absence of any warranty;
       
   100 and give any other recipients of the Program a copy of this License
       
   101 along with the Program.
       
   102 
       
   103 You may charge a fee for the physical act of transferring a copy, and
       
   104 you may at your option offer warranty protection in exchange for a fee.
       
   105 
       
   106   2. You may modify your copy or copies of the Program or any portion
       
   107 of it, thus forming a work based on the Program, and copy and
       
   108 distribute such modifications or work under the terms of Section 1
       
   109 above, provided that you also meet all of these conditions:
       
   110 
       
   111     a) You must cause the modified files to carry prominent notices
       
   112     stating that you changed the files and the date of any change.
       
   113 
       
   114     b) You must cause any work that you distribute or publish, that in
       
   115     whole or in part contains or is derived from the Program or any
       
   116     part thereof, to be licensed as a whole at no charge to all third
       
   117     parties under the terms of this License.
       
   118 
       
   119     c) If the modified program normally reads commands interactively
       
   120     when run, you must cause it, when started running for such
       
   121     interactive use in the most ordinary way, to print or display an
       
   122     announcement including an appropriate copyright notice and a
       
   123     notice that there is no warranty (or else, saying that you provide
       
   124     a warranty) and that users may redistribute the program under
       
   125     these conditions, and telling the user how to view a copy of this
       
   126     License.  (Exception: if the Program itself is interactive but
       
   127     does not normally print such an announcement, your work based on
       
   128     the Program is not required to print an announcement.)
       
   129 
       
   130 These requirements apply to the modified work as a whole.  If
       
   131 identifiable sections of that work are not derived from the Program,
       
   132 and can be reasonably considered independent and separate works in
       
   133 themselves, then this License, and its terms, do not apply to those
       
   134 sections when you distribute them as separate works.  But when you
       
   135 distribute the same sections as part of a whole which is a work based
       
   136 on the Program, the distribution of the whole must be on the terms of
       
   137 this License, whose permissions for other licensees extend to the
       
   138 entire whole, and thus to each and every part regardless of who wrote it.
       
   139 
       
   140 Thus, it is not the intent of this section to claim rights or contest
       
   141 your rights to work written entirely by you; rather, the intent is to
       
   142 exercise the right to control the distribution of derivative or
       
   143 collective works based on the Program.
       
   144 
       
   145 In addition, mere aggregation of another work not based on the Program
       
   146 with the Program (or with a work based on the Program) on a volume of
       
   147 a storage or distribution medium does not bring the other work under
       
   148 the scope of this License.
       
   149 
       
   150   3. You may copy and distribute the Program (or a work based on it,
       
   151 under Section 2) in object code or executable form under the terms of
       
   152 Sections 1 and 2 above provided that you also do one of the following:
       
   153 
       
   154     a) Accompany it with the complete corresponding machine-readable
       
   155     source code, which must be distributed under the terms of Sections
       
   156     1 and 2 above on a medium customarily used for software interchange; or,
       
   157 
       
   158     b) Accompany it with a written offer, valid for at least three
       
   159     years, to give any third party, for a charge no more than your
       
   160     cost of physically performing source distribution, a complete
       
   161     machine-readable copy of the corresponding source code, to be
       
   162     distributed under the terms of Sections 1 and 2 above on a medium
       
   163     customarily used for software interchange; or,
       
   164 
       
   165     c) Accompany it with the information you received as to the offer
       
   166     to distribute corresponding source code.  (This alternative is
       
   167     allowed only for noncommercial distribution and only if you
       
   168     received the program in object code or executable form with such
       
   169     an offer, in accord with Subsection b above.)
       
   170 
       
   171 The source code for a work means the preferred form of the work for
       
   172 making modifications to it.  For an executable work, complete source
       
   173 code means all the source code for all modules it contains, plus any
       
   174 associated interface definition files, plus the scripts used to
       
   175 control compilation and installation of the executable.  However, as a
       
   176 special exception, the source code distributed need not include
       
   177 anything that is normally distributed (in either source or binary
       
   178 form) with the major components (compiler, kernel, and so on) of the
       
   179 operating system on which the executable runs, unless that component
       
   180 itself accompanies the executable.
       
   181 
       
   182 If distribution of executable or object code is made by offering
       
   183 access to copy from a designated place, then offering equivalent
       
   184 access to copy the source code from the same place counts as
       
   185 distribution of the source code, even though third parties are not
       
   186 compelled to copy the source along with the object code.
       
   187 
       
   188   4. You may not copy, modify, sublicense, or distribute the Program
       
   189 except as expressly provided under this License.  Any attempt
       
   190 otherwise to copy, modify, sublicense or distribute the Program is
       
   191 void, and will automatically terminate your rights under this License.
       
   192 However, parties who have received copies, or rights, from you under
       
   193 this License will not have their licenses terminated so long as such
       
   194 parties remain in full compliance.
       
   195 
       
   196   5. You are not required to accept this License, since you have not
       
   197 signed it.  However, nothing else grants you permission to modify or
       
   198 distribute the Program or its derivative works.  These actions are
       
   199 prohibited by law if you do not accept this License.  Therefore, by
       
   200 modifying or distributing the Program (or any work based on the
       
   201 Program), you indicate your acceptance of this License to do so, and
       
   202 all its terms and conditions for copying, distributing or modifying
       
   203 the Program or works based on it.
       
   204 
       
   205   6. Each time you redistribute the Program (or any work based on the
       
   206 Program), the recipient automatically receives a license from the
       
   207 original licensor to copy, distribute or modify the Program subject to
       
   208 these terms and conditions.  You may not impose any further
       
   209 restrictions on the recipients' exercise of the rights granted herein.
       
   210 You are not responsible for enforcing compliance by third parties to
       
   211 this License.
       
   212 
       
   213   7. If, as a consequence of a court judgment or allegation of patent
       
   214 infringement or for any other reason (not limited to patent issues),
       
   215 conditions are imposed on you (whether by court order, agreement or
       
   216 otherwise) that contradict the conditions of this License, they do not
       
   217 excuse you from the conditions of this License.  If you cannot
       
   218 distribute so as to satisfy simultaneously your obligations under this
       
   219 License and any other pertinent obligations, then as a consequence you
       
   220 may not distribute the Program at all.  For example, if a patent
       
   221 license would not permit royalty-free redistribution of the Program by
       
   222 all those who receive copies directly or indirectly through you, then
       
   223 the only way you could satisfy both it and this License would be to
       
   224 refrain entirely from distribution of the Program.
       
   225 
       
   226 If any portion of this section is held invalid or unenforceable under
       
   227 any particular circumstance, the balance of the section is intended to
       
   228 apply and the section as a whole is intended to apply in other
       
   229 circumstances.
       
   230 
       
   231 It is not the purpose of this section to induce you to infringe any
       
   232 patents or other property right claims or to contest validity of any
       
   233 such claims; this section has the sole purpose of protecting the
       
   234 integrity of the free software distribution system, which is
       
   235 implemented by public license practices.  Many people have made
       
   236 generous contributions to the wide range of software distributed
       
   237 through that system in reliance on consistent application of that
       
   238 system; it is up to the author/donor to decide if he or she is willing
       
   239 to distribute software through any other system and a licensee cannot
       
   240 impose that choice.
       
   241 
       
   242 This section is intended to make thoroughly clear what is believed to
       
   243 be a consequence of the rest of this License.
       
   244 
       
   245   8. If the distribution and/or use of the Program is restricted in
       
   246 certain countries either by patents or by copyrighted interfaces, the
       
   247 original copyright holder who places the Program under this License
       
   248 may add an explicit geographical distribution limitation excluding
       
   249 those countries, so that distribution is permitted only in or among
       
   250 countries not thus excluded.  In such case, this License incorporates
       
   251 the limitation as if written in the body of this License.
       
   252 
       
   253   9. The Free Software Foundation may publish revised and/or new versions
       
   254 of the General Public License from time to time.  Such new versions will
       
   255 be similar in spirit to the present version, but may differ in detail to
       
   256 address new problems or concerns.
       
   257 
       
   258 Each version is given a distinguishing version number.  If the Program
       
   259 specifies a version number of this License which applies to it and "any
       
   260 later version", you have the option of following the terms and conditions
       
   261 either of that version or of any later version published by the Free
       
   262 Software Foundation.  If the Program does not specify a version number of
       
   263 this License, you may choose any version ever published by the Free Software
       
   264 Foundation.
       
   265 
       
   266   10. If you wish to incorporate parts of the Program into other free
       
   267 programs whose distribution conditions are different, write to the author
       
   268 to ask for permission.  For software which is copyrighted by the Free
       
   269 Software Foundation, write to the Free Software Foundation; we sometimes
       
   270 make exceptions for this.  Our decision will be guided by the two goals
       
   271 of preserving the free status of all derivatives of our free software and
       
   272 of promoting the sharing and reuse of software generally.
       
   273 
       
   274                             NO WARRANTY
       
   275 
       
   276   11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
       
   277 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW.  EXCEPT WHEN
       
   278 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
       
   279 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
       
   280 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
       
   281 MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.  THE ENTIRE RISK AS
       
   282 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU.  SHOULD THE
       
   283 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
       
   284 REPAIR OR CORRECTION.
       
   285 
       
   286   12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
       
   287 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
       
   288 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
       
   289 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
       
   290 OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
       
   291 TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
       
   292 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
       
   293 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
       
   294 POSSIBILITY OF SUCH DAMAGES.
       
   295 
       
   296                      END OF TERMS AND CONDITIONS
       
   297 
       
   298         Appendix: How to Apply These Terms to Your New Programs
       
   299 
       
   300   If you develop a new program, and you want it to be of the greatest
       
   301 possible use to the public, the best way to achieve this is to make it
       
   302 free software which everyone can redistribute and change under these terms.
       
   303 
       
   304   To do so, attach the following notices to the program.  It is safest
       
   305 to attach them to the start of each source file to most effectively
       
   306 convey the exclusion of warranty; and each file should have at least
       
   307 the "copyright" line and a pointer to where the full notice is found.
       
   308 
       
   309     <one line to give the program's name and a brief idea of what it does.>
       
   310     Copyright (C) <year>  <name of author>
       
   311 
       
   312     This program is free software; you can redistribute it and/or modify
       
   313     it under the terms of the GNU General Public License as published by
       
   314     the Free Software Foundation; either version 2 of the License, or
       
   315     (at your option) any later version.
       
   316 
       
   317     This program is distributed in the hope that it will be useful,
       
   318     but WITHOUT ANY WARRANTY; without even the implied warranty of
       
   319     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
       
   320     GNU General Public License for more details.
       
   321 
       
   322     You should have received a copy of the GNU General Public License
       
   323     along with this program; if not, write to the Free Software
       
   324     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
       
   325 
       
   326 Also add information on how to contact you by electronic and paper mail.
       
   327 
       
   328 If the program is interactive, make it output a short notice like this
       
   329 when it starts in an interactive mode:
       
   330 
       
   331     Gnomovision version 69, Copyright (C) year  name of author
       
   332     Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
       
   333     This is free software, and you are welcome to redistribute it
       
   334     under certain conditions; type `show c' for details.
       
   335 
       
   336 The hypothetical commands `show w' and `show c' should show the appropriate
       
   337 parts of the General Public License.  Of course, the commands you use may
       
   338 be called something other than `show w' and `show c'; they could even be
       
   339 mouse-clicks or menu items--whatever suits your program.
       
   340 
       
   341 You should also get your employer (if you work as a programmer) or your
       
   342 school, if any, to sign a "copyright disclaimer" for the program, if
       
   343 necessary.  Here is a sample; alter the names:
       
   344 
       
   345   Yoyodyne, Inc., hereby disclaims all copyright interest in the program
       
   346   `Gnomovision' (which makes passes at compilers) written by James Hacker.
       
   347 
       
   348   <signature of Ty Coon>, 1 April 1989
       
   349   Ty Coon, President of Vice
       
   350 
       
   351 This General Public License does not permit incorporating your program into
       
   352 proprietary programs.  If your program is a subroutine library, you may
       
   353 consider it more useful to permit linking proprietary applications with the
       
   354 library.  If this is what you want to do, use the GNU Library General
       
   355 Public License instead of this License.