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This section describes software license used for this product.
This product uses some open source software:
GPL software: linux, module-init-tools, mount, nettools, sash, Realtek WiFi driver
LGPL software: directfb, glibc, Qt, live555
BSD: WPA Supplicant
MIT: expat, lua, lua-xmlreader, lua-slncrypto, libxml2
MIT/X: cURL
XML-RPC FOR C/C++ license: xmlrpc
gSOAP Public License: gSOAP
Free Type, LibJPEG, Open SSL, Vera Fonts
G
P
L
G
NU General Public License (GPL)
V
ersion 2, June 199
1
C
opyright (C) 1989, 1991 Free Software Foundation, Inc. 51 Franklin Street, Fifth
F
loor
,
Boston
,
MA 02110-1301
,
US
A
Everyone is permitted to copy and distribute verbatim copies of this license docu-
ment,
b
ut c
h
ang
i
ng
i
t
i
s not a
ll
owe
d.
P
ream
bl
e
T
he licenses for most software are designed to take away your freedom to share
and change it. By contrast, the GNU General Public License is intended to guaran-
tee your freedom to share and change free software--to make sure the software
i
s free for all its users. This General Public License applies to most of the Free Soft-
ware Foundation's software and to any other program whose authors commit to
using it. (Some other Free Software Foundation software is covered by the GNU
Lesser General Public License instead.) You can apply it to your programs, too
.
When we speak of free software, we are referring to freedom, not price. Ou
r
G
eneral Public Licenses are designed to make sure that you have the freedom to
d
istribute copies of free software (and charge for this service if you wish), that you
receive source code or can get it if you want it, that you can change the software
or use pieces of it in new free programs; and that you know you can do these
t
hi
ngs
.
T
o protect your rights, we need to make restrictions that forbid anyone to deny
y
ou t
h
ese r
i
g
h
ts or to as
k
you to surren
d
er t
h
e r
i
g
h
ts.
Th
ese restr
i
ct
i
ons trans
l
ate
to certain responsibilities for you if you distribute copies of the software, or if you
modify it
.
F
or example, if you distribute copies of such a program, whether gratis or for a
fee, you must give the recipients all the rights that you have. You must make sure
that they, too, receive or can get the source code. And you must show them these
terms so t
h
ey
k
now t
h
e
i
r r
i
g
h
ts
.
We protect your rights with two steps: (1) copyright the software, and (2) offe
r
y
ou this license which gives you legal permission to copy, distribute and/or modify
the software
.
A
lso, for each author's protection and ours, we want to make certain that every-
one understands that there is no warranty for this free software. If the software is
modiÀ ed by someone else and passed on, we want its recipients to know that what
t
h
ey
h
ave
i
s not t
h
e or
i
g
i
na
l
, so t
h
at any pro
bl
ems
i
ntro
d
uce
d
b
y ot
h
ers w
ill
not
reÁ ect on the original authors' reputations
.
F
inally, any free program is threatened constantly by software patents. We wish to
avoid the danger that redistributors of a free program will individually obtain patent
l
icenses, in effect making the program proprietary. To prevent this, we have made it
clear that any patent must be licensed for everyone's free use or not licensed at all.
T
he precise terms and conditions for copying, distribution and modiÀ cation follow.
T
ERMS AND CONDITIONS FOR COPYING
,
DISTRIBUTION AND MODIFICA-
T
IO
N
0. This License applies to any program or other work which contains a notice
placed by the copyright holder saying it may be distributed under the terms o
f
t
his General Public License. The "Program", below, refers to any such program
or work, and a
"
work based on the Program
"
means either the Program or any
d
er
i
vat
i
ve wor
k
un
d
er copyr
i
g
h
t
l
aw: t
h
at
i
s to say, a wor
k
conta
i
n
i
ng t
h
e
P
rogram
or a portion of it, either verbatim or with modiÀ cations and/or translated into
another language. (Hereinafter, translation is included without limitation in the
t
erm "modiÀ cation".) Each licensee is addressed as "you"
.
A
ctivities other than copying, distribution and modiÀ cation are not covered by this
License; they are outside its scope. The act of running the Program is not restricted
,
and the output from the Program is covered only if its contents constitute a work
based on the Program (independent of having been made by running the Program)
.
Wh
et
h
er t
h
at
i
s true
d
epen
d
s on w
h
at t
h
e
P
rogram
d
oes
.
1
. You may copy and distribute verbatim copies of the Program's source code as
y
ou rece
i
ve
i
t,
i
n any me
di
um, prov
id
e
d
t
h
at you consp
i
cuous
l
y an
d
appropr
i
ate
l
y
publish on each copy an appropriate copyright notice and disclaimer of warranty
;
keep intact all the notices that refer to this License and to the absence of any
w
arranty; and give any other recipients of the Program a copy of this License
a
l
ong w
i
t
h
t
h
e
P
rogram
.
You may charge a fee for the physical act of transferring a copy, and you may at
y
our option offer warranty protection in exchange for a fee
.
2. You may modify your copy or copies of the Program or any portion of it, thus
forming a work based on the Program, and copy and distribute such modiÀ ca-
t
ions or work under the terms of Section 1 above, provided that you also meet
all of these conditions
:
a) You must cause the modiÀ ed À les to carry prominent notices stating that you
changed the À les and the date of any change
.
b) You must cause any work that you distribute or publish, that in whole or in part
contains or is derived from the Program or any part thereof, to be licensed as a
whole at no charge to all third parties under the terms of this License
.
c) If the modiÀ ed program normally reads commands interactively when run, you
must cause it, when started running for such interactive use in the most ordinary
way, to pr
i
nt or
di
sp
l
ay an announcement
i
nc
l
u
di
ng an appropr
i
ate copyr
i
g
h
t
notice and a notice that there is no warranty (or else, saying that you provide a
warranty) and that users may redistribute the program under these conditions
,
and telling the user how to view a copy of this License. (Exception: if the Pro-
gram itself is interactive but does not normally print such an announcement, you
r
work based on the Program is not required to print an announcement.)
T
hese requirements apply to the modiÀ ed work as a whole. If identiÀ able sections
o
f that work are not derived from the Program, and can be reasonably considered
i
n
d
epen
d
ent an
d
separate wor
k
s
i
n t
h
emse
l
ves, t
h
en t
hi
s
Li
cense, an
d
i
ts terms,
d
o
not app
l
y to t
h
ose sect
i
ons w
h
en you
di
str
ib
ute t
h
em as separate wor
k
s.
B
ut w
h
en
y
ou distribute the same sections as part of a whole which is a work based on the
P
rogram, the distribution of the whole must be on the terms of this License, whose
permissions for other licensees extend to the entire whole, and thus to each and
ever
y
p
art re
g
ardless of who wrote it
.
T
hus, it is not the intent of this section to claim rights or contest your rights to
wor
k
wr
i
tten ent
i
re
l
y
b
y you; rat
h
er, t
h
e
i
ntent
i
s to exerc
i
se t
h
e r
i
g
h
t to contro
l
t
h
e
d
istribution of derivative or collective works based on the Program
.
In addition, mere aggregation of another work not based on the Program with the
P
rogram (or with a work based on the Program) on a volume of a storage or dis-
t
ribution medium does not bring the other work under the scope of this License
.
3
. You may copy and distribute the Program (or a work based on it, under Section
2
)
in ob
j
ect code or executable form under the terms of Sections 1 and 2 above
provided that you also do one of the following
:
a) Accompany it with the complete corresponding machine-readable source code
,
which must be distributed under the terms of Sections 1 and 2 above on a
medium customarily used for software interchange; o
r
,
b) Accompany it with a written offer, valid for at least three years, to give any third
party, for a charge no more than your cost of physically performing source
d
istribution, a complete machine-readable copy of the corresponding source
code
,
to be distributed under the terms of Sections 1 and 2 above on a medium
customarily used for software interchange; or,
c
) Accompany it with the information you received as to the offer to distribute
c
orresponding source code. (This alternative is allowed only for noncommercial
d
istribution and only if you received the program in object code or executable
form with such an offer, in accord with Subsection b above.)
T
he source code for a work means the preferred form of the work for making
modiÀ cations to it. For an executable work, complete source code means all the
source code for all modules it contains, plus any associated interface deÀ nition
À les, plus the scripts used to control compilation and installation of the executable
.
H
owever, as a spec
i
a
l
except
i
on, t
h
e source co
d
e
di
str
ib
ute
d
nee
d
not
i
nc
l
u
d
e any-
t
hing that is normally distributed (in either source or binary form) with the majo
r
c
omponents (compiler, kernel, and so on) of the operating system on which the
executable runs, unless that component itself accompanies the executable
.
If distribution of executable or object code is made by offering access to copy from
a designated place, then offering equivalent access to copy the source code from
t
he same place counts as distribution of the source code, even though third parties
are not compe
ll
e
d
to copy t
h
e source a
l
ong w
i
t
h
t
h
e o
bj
ect co
d
e
.
4. You may not copy, modify, sublicense, or distribute the Program except as
expressly provided under this License. Any attempt otherwise to copy, modify
,
s
u
bli
cense or
di
str
ib
ute t
h
e
P
rogram
i
s vo
id
, an
d
w
ill
automat
i
ca
ll
y term
i
nate you
r
r
i
g
h
ts un
d
er t
hi
s
Li
cense.
H
owever, part
i
es w
h
o
h
ave rece
i
ve
d
cop
i
es, or r
i
g
h
ts
,
from you under this License will not have their licenses terminated so long as
s
uch parties remain in full compliance
.
5
.
Y
ou are not requ
i
re
d
to accept t
hi
s
Li
cense, s
i
nce you
h
ave not s
i
gne
d
i
t.
H
ow-
ever, nothing else grants you permission to modify or distribute the Program or
i
ts derivative works. These actions are prohibited by law if you do not accept this
License. Therefore, by modifying or distributing the Program (or any work based
o
n the Program), you indicate your acceptance of this License to do so, and all its
t
erms and conditions for copying, distributing or modifying the Program or works
b
ase
d
on
i
t
.
6. Each time you redistribute the Program (or any work based on the Program)
,
the recipient automatically receives a license from the original licensor to copy
,
d
istribute or modify the Program subject to these terms and conditions. You
may not impose any further restrictions on the recipients' exercise of the rights
granted herein. You are not responsible for enforcing compliance by third parties
to t
hi
s
Li
cense
.
7
. If, as a consequence of a court judgment or allegation of patent infringement o
r
for any other reason (not limited to patent issues), conditions are imposed on you
(whether by court order, agreement or otherwise) that contradict the conditions
o
f this License, they do not excuse you from the conditions of this License. If you
c
annot distribute so as to satisf
y
simultaneousl
y
y
our obli
g
ations under this License
an
d
any ot
h
er pert
i
nent o
bli
gat
i
ons, t
h
en as a consequence you may not
di
str
ib
ute
t
he Program at all. For example, if a patent license would not permit royalty-free
redistribution of the Pro
g
ram b
y
all those who receive co
p
ies directl
y
or indirectl
y
t
hrough you, then the only way you could satisfy both it and this License would be
t
o refrain entirely from distribution of the Program
.
If any portion of this section is held invalid or unenforceable under any particular
c
ircumstance, the balance of the section is intended to apply and the section as a
w
h
o
l
e
i
s
i
nten
d
e
d
to app
l
y
i
n ot
h
er c
i
rcumstances
.
It is not the purpose of this section to induce you to infringe any patents or othe
r
property right claims or to contest validity of any such claims; this section has the
sole
p
ur
p
ose of
p
rotectin
g
the inte
g
rit
y
of the free software distribution s
y
stem
,
w
hi
c
h
i
s
i
mp
l
emente
d
b
y pu
bli
c
li
cense pract
i
ces.
M
any peop
l
e
h
ave ma
d
e generous
c
ontributions to the wide range of software distributed through that system in reli-
ance on consistent a
pp
lication of that s
y
stem; it is u
p
to the author/donor to decide
i
f he or she is willing to distribute software through any other system and a licensee
c
annot
i
mpose t
h
at c
h
o
i
ce
.
Thi
s sect
i
on
i
s
i
nten
d
e
d
to ma
k
e t
h
oroug
hl
y c
l
ear w
h
at
i
s
b
e
li
eve
d
to
b
e a conse-
quence of the rest of this License
.
8. If the distribution and/or use of the Program is restricted in certain countries