Remove various outdated documents.

doc/TODO and doc/spec/README were placeholders to tell people where to
look for the real TODO and README stuff -- we replaced them years ago,
though.

authority-policy, v3-authority-howto, and torel-design.txt belong in
torspec.  I'm putting them in attic there since I think they may be in
large part obsolete, but someone can rescue them if they're not.

translations.txt is outdated, and refers to lots of programs other
than Tor.  We have much better translation resources on the website
now.

tor-win32-mingw-creation.txt is pending review of a revised version
for 0.2.5 (see ticket #4520), but there's no reason to ship this one
while we're waiting for an accurate version.

the tor-rpm-creation.txt isn't obsolete AFAIK, but it belongs in
doc/contrib if anywhere.

Resolves bug #8965.
This commit is contained in:
Nick Mathewson 2013-06-12 21:07:27 -04:00
parent 75b7cc1785
commit a3f6f3316a
10 changed files with 3 additions and 671 deletions

3
changes/bug8965 Normal file
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@ -0,0 +1,3 @@
o Removed documentation:
- Remove some of the older contents of doc/ as obsolete; move others
to torspec.git. Fixes bug 8965.

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@ -1,3 +0,0 @@
We no longer track our TODO lists in git. To see open Tor tasks, visit
our bugtracker and wiki at trac.torproject.org.

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@ -1,89 +0,0 @@
0. Overview.
This document contains various informal policies for how to operate
a directory authority, how to choose new ones, etc.
1. How to pick a new directory authority.
Here's our current guidelines for how to pick new directory
authorities.
(These won't ever be formal criteria -- we need to keep this flexible
so we can adapt to new situations.)
o Stability:
- Must be a low-downtime Tor server (computer as well as network).
- Must have a static IP.
- The operator must have been running a stable Tor server for at least
3 months.
- Must intend for this server to stick around for the next 12 months
or more.
- Must not hibernate.
- Should not be an exit node (as this increases the risk both of
downtime and of key compromise).
o Performance:
- Must have sufficient bandwidth: at least 10mbit/s symmetric,
though in practice the inbound traffic can be considerably less.
o Availability:
- Must be available to upgrade within a few days in most cases.
(While we're still developing Tor, we periodically find bugs that
impact the whole network and require authority upgrades.)
- Should have a well-known way to contact the administrator
via PGP-encrypted message.
o Integrity:
- Must promise not to censor or attack the network and users.
- Should be run by somebody that Tor (i.e. Roger) knows.
- Should be widely regarded as fair/trustworthy, or at least
known, by many people.
- If somebody asks you to backdoor or change your server, legally or
otherwise, you will fight it to the extent of your abilities. If
you fail to fight it, you must shut down the Tor server and notify
us that you have.
o Diversity
- We should avoid situations that make it likelier for multiple
authority failures to happen at the same time. Therefore...
- It's good when authorities are not all in the same country.
- It's good when authorities are not all in the same jurisdictions.
- It's good when authorities are not all running the same OS.
- It's good when authorities are not all using the same ISP.
- It's good when authorities are not all running the same
version of Tor.
- No two authorities should have the same operator.
- Maximal diversity, however, is not always practical. Sometimes,
for example, there is only one version of Tor that provides a
given consensus generation algorithm.
- A small group of authorities with the same country/jurisdiction/OS is
not a problem, until that group's size approaches quorum (half the
authorities).
2. How to choose the recommended versions
The policy, in a nutshell, is to not remove versions without a good
reason. So this means we should recommend all versions except:
- Versions that no longer conform to the spec. That is, if they wouldn't
actually interact correctly with the current Tor network.
- Versions that have known security problems.
- Versions that have frequent crash or assert problems.
- Versions that harm the performance or stability of the current Tor
network or the anonymity of other users. For example, a version
that load balances wrong, or a version that hammers the authorities
too much.
> some use the slight variant of requiring a *good* reason.
> excellent reasons include "there's a security flaw"
> good reasons include "that crashes every time you start it. you would think
+tor is dumb if you tried to use that version and think of it as tor."
> good reasons include "those old clients do their load balancing wrong, and
+they're screwing up the whole network"
> reasons include "the old one is really slow, clients should prefer the new
+one"
> i try to draw the line at 'good reasons and above'

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@ -1,181 +0,0 @@
Design For A Tor DNS-based Exit List
Status:
This is a suggested design for a DNS Exit List (DNSEL) for Tor exit nodes.
See http://exitlist.torproject.org/ for an implementation.
Why?
It's useful for third parties to be able to tell when a given connection
is coming from a Tor exit node. Potential applications range from
"anonymous user" cloaks on IRC networks like oftc, to networks like
Freenode that apply special authentication rules to users from these
IPs, to systems like Wikipedia that may want to make a priority of
_unblocking_ shared IPs more liberally than non-shared IPs, since shared
IPs presumably have non-abusive users as well as abusive ones.
Since Tor provides exit policies, not every Tor server will connect to
every address:port combination on the Internet. Unless you're trying to
penalize hosts for supporting anonymity, it makes more sense to answer
the fine-grained question "which Tor servers will connect to _me_?" than
the coarse-grained question "which Tor servers exist?" The fine-grained
approach also helps Tor server ops who share an IP with their Tor
server: if they want to access a site that blocks Tor users, they
can exclude that site from their exit policy, and the site can learn
that they won't send it anonymous connections.
Tor already ships with a tool (the "contrib/exitlist" script) to
identify which Tor nodes might open anonymous connections to any given
exit address. But this is a bit tricky to set up, so only sites like
Freenode and OFTC that are dedicated to privacy use it.
Conversely, providers of some DNSEL implementations are providing
coarse-grained lists of Tor hosts -- sometimes even listing servers that
permit no exit connections at all. This is rather a problem, since
support for DNSEL is pretty ubiquitous.
How?
Keep a running Tor instance, and parse the cached-routers and
cached-routers.new files as new routers arrive. To tell whether a given
server allows connections to a certain address:port combo, look at the
definitions in dir-spec.txt or follow the logic of the current exitlist
script. If bug 405 is still open when you work on this
(https://bugs.torproject.org/flyspray/index.php?do=details&id=405), you'll
probably want to extend it to look at only the newest descriptor for
each server, so you don't use obsolete exit policy data.
FetchUselessDescriptors would probably be a good torrc option to enable.
If you're also running a directory cache, you get extra-fresh
information.
The DNS interface
Standard DNSEL, if I understand right, looks like this: There's some
authoritative name server for foo.example.com. You want to know if
1.2.3.4 is in the list, so you query for an A record for
4.3.2.1.foo.example.com. If the record exists and has the value
127.0.0.2[DNSBL-EMAIL], 1.2.3.4 is in the list. If you get an NXDOMAIN
error, 1.2.3.4 is not in the list. If you ask for a domain name outside
of the foo.example.com zone, you get a Server Failure error[RFC 1035].
Assume that the DNSEL answers queries authoritatively for some zone,
torhosts.example.com. Below are some queries that could be supported,
though some of them are possibly a bad idea.
Query type 1: "General IP:Port"
Format:
{IP1}.{port}.{IP2}.ip-port.torhosts.example.com
Rule:
Iff {IP1} is a Tor server that permits connections to {port} on
{IP2}, then there should be an A record with the value 127.0.0.2.
Example:
"1.0.0.10.80.4.3.2.1.ip-port.torhosts.example.com" should have the
value 127.0.0.2 if and only if there is a Tor server at 10.0.0.1
that allows connections to port 80 on 1.2.3.4.
Example use:
I'm running an IRC server at w.x.y.z:9999, and I want to tell
whether an incoming connection is from a Tor server. I set
up my IRC server to give a special mask to any user coming from
an IP listed in 9999.z.y.x.w.ip-port.torhosts.example.com.
Later, when I get a connection from a.b.c.d, my ircd looks up
"d.c.b.a.9999.z.y.x.w.ip-port.torhosts.example.com" to see
if it's a Tor server that allows connections to my ircd.
Query type 2: "IP-port group"
Format:
{IP}.{listname}.list.torhosts.example.com
Rule:
Iff this Tor server is configured with an IP:Port list named
{listname}, and {IP} is a Tor server that permits connections to
any member of {listname}, then there exists an A record.
Example:
Suppose torhosts.example.com has a list of IP:Port called "foo".
There is an A record for 4.3.2.1.foo.list.torhosts.example.com
if and only if 1.2.3.4 is a Tor server that permits connections
to one of the addresses in list "foo".
Example use:
Suppose torhosts.example.com has a list of hosts in "examplenet",
a popular IRC network. Rather than having them each set up to
query the appropriate "ip-port" list, they could instead all be
set to query a central examplenet.list.torhosts.example.com.
Problems:
We'd be better off if each individual server queried about hosts
that allowed connections to itself. That way, if I wanted to
allow anonymous connections to foonet, but I wanted to be able to
connect to foonet from my own IP without being marked, I could add
just a few foonet addresses to my exit policy.
Query type 3: "My IP, with port"
Format:
{IP}.{port}.me.torhosts.example.com
Rule:
An A record exists iff there is a tor server at {IP} that permits
connections to {port} on the host that requested the lookup.
Example:
"4.3.2.1.80.me.torhosts.example.com" should have an A record if
and only if there is a Tor server at 1.2.3.4 that allows
connections to port 80 of the querying host.
Example use:
Somebody wants to set up a quick-and-dirty Tor detector for a
single webserver: just point them at 80.me.torhosts.example.com.
Problem:
This would be easiest to use, but DNS gets in the way. If you
create DNS records that give different results depending on who is
asking, you mess up caching. There could be a fix here, but might
not.
RECOMMENDATION: Just build ip-port for now, and see what demand is
like. There's no point in building mechanisms nobody wants.
Web interface:
Should provide the same data as the dns interface.
Other issues:
After a Tor server op turns off their server, it stops publishing server
descriptors. We should consider that server's IP address to still
represent a Tor node until 48 hours after its last descriptor was
published.
30-60 minutes is not an unreasonable TTL.
There could be some demand for address masks and port lists. Address
masks wider than /8 make me nervous here, as do port ranges.
We need an answer for what to do about hosts which exit from different
IPs than their advertised IP. One approach would be for the DNSEL
to launch periodic requests to itself through all exit servers whose
policies allow it -- and then see where the requests actually come from.
References:
[DNSBL-EMAIL] Levine, J., "DNS Based Blacklists and Whitelists for
E-Mail", http://tools.ietf.org/html/draft-irtf-asrg-dnsbl-02, November
2005.
[RFC 1035] Mockapetris, P., "Domain Names - Implementation and
Specification", RFC 1035, November 1987.

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@ -36,8 +36,6 @@ endif
EXTRA_DIST+= doc/HACKING doc/asciidoc-helper.sh \
$(html_in) $(man_in) $(txt_in) \
doc/tor-rpm-creation.txt \
doc/tor-win32-mingw-creation.txt doc/spec/README \
doc/state-contents.txt
docdir = @docdir@

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The Tor specifications and proposals have moved to a new repository.
To browse the specifications, go to
https://gitweb.torproject.org/torspec.git/tree
To check out the specification repository, run
git clone git://git.torproject.org/torspec.git
For other information on the repository, see
https://gitweb.torproject.org/torspec.git

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##
## Instructions for building Tor with MinGW (http://www.mingw.org/)
##
Stage One: Download and Install MinGW.
---------------------------------------
Download mingw:
http://prdownloads.sf.net/mingw/MinGW-5.1.6.exe?download
Download msys:
http://prdownloads.sf.net/ming/MSYS-1.0.11.exe?download
Download msysDTK:
http://sourceforge.net/projects/mingw/files/MSYS%20Supplementary%20Tools/msysDTK-1.0.1/msysDTK-1.0.1.exe/download
Install MinGW, msysDTK, and MSYS in that order.
Make sure your PATH includes C:\MinGW\bin. You can verify this by right
clicking on "My Computer", choose "Properties", choose "Advanced",
choose "Environment Variables", select PATH.
Start MSYS(rxvt).
Create a directory called "tor-mingw".
Stage Two: Download, extract, compile openssl
----------------------------------------------
Download openssl:
http://www.openssl.org/source/openssl-0.9.8l.tar.gz
Extract openssl:
Copy the openssl tarball into the "tor-mingw" directory.
Type "cd tor-mingw/"
Type "tar zxf openssl-0.9.8l.tar.gz"
(Note: There are many symlink errors because Windows doesn't support
symlinks. You can ignore these errors.)
Make openssl libraries:
Type "cd tor-mingw/openssl-0.9.8l/"
Type "./Configure -no-idea -no-rc5 -no-mdc2 mingw"
Edit Makefile and remove the "test:" and "tests:" sections.
Type "rm -rf ./test"
Type "cd crypto/"
Type "find ./ -name "*.h" -exec cp {} ../include/openssl/ \;"
Type "cd ../ssl/"
Type "find ./ -name "*.h" -exec cp {} ../include/openssl/ \;"
Type "cd .."
Type "cp *.h include/openssl/"
Type "find ./fips -type f -name "*.h" -exec cp {} include/openssl/ \;"
# The next steps can take up to 30 minutes to complete.
Type "make"
Type "make install"
Stage Three: Download, extract, compile zlib
---------------------------------------------
Download zlib source:
http://www.zlib.net/zlib-1.2.3.tar.gz
Extract zlib:
Copy the zlib tarball into the "tor-mingw" directory
Type "cd tor-mingw/"
Type "tar zxf zlib-1.2.3.tar.gz"
CHOICE:
Make zlib.a:
Type "cd tor-mingw/zlib-1.2.3/"
Type "./configure"
Type "make"
Type "make install"
Done.
Stage Four: Download, extract, and compile libevent
------------------------------------------------------
Download the latest libevent release:
http://www.monkey.org/~provos/libevent/
Copy the libevent tarball into the "tor-mingw" directory.
Type "cd tor-mingw"
Extract libevent.
Type "./configure --enable-static --disable-shared"
Type "make"
Type "make install"
Stage Five: Build Tor
----------------------
Download the current Tor alpha release source code from https://torproject.org/download.html.
Copy the Tor tarball into the "tor-mingw" directory.
Extract Tor:
Type "tar zxf latest-tor-alpha.tar.gz"
cd tor-<version>
Type "./configure"
Type "make"
You now have a tor.exe in src/or/. This is Tor.
You now have a tor-resolve.exe in src/tools/.
Stage Six: Build the installer
-------------------------------
Install the latest NSIS:
http://nsis.sourceforge.net/Download
Run the package script in contrib:
From the Tor build directory above, run:
"./contrib/package_nsis-mingw.sh"
The resulting Tor installer executable is in ./win_tmp/.

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## Instructions for helping translate text for Vidalia, TorButton
## and TorCheck
## ( More translation information for Tor related apps will accumulate here )
Our translations are handled in one of two places. The Tor Translation Portal
handles all of the translations for Vidalia, Torbutton and TorCheck. The Tor
website itself is currently handled by hand translations using subversion.
-------------------------------------------------------------------------
For the Tor website, you'll need a Tor SVN account.
If you do not have one and you need one, please run this command with your
desired username in place of 'USERNAME':
htdigest -c passwd.tmp "Tor subversion repository" USERNAME
and send us the contents of passwd.tmp.
-------------------------------------------------------------------------
For the Portal-based projects, all three check in their respective .po
files into the following subversion urls:
https://tor-svn.freehaven.net/svn/translation/trunk/projects/torbutton
https://tor-svn.freehaven.net/svn/translation/trunk/projects/torcheck
https://svn.vidalia-project.net/svn/vidalia/trunk/src/vidalia/i18n/
The current pootle configuration is checked into subversion as well:
https://tor-svn.freehaven.net/svn/translation/trunk/pootle
---------------------------- TorCheck -------------------------------
TorCheck uses our translation portal to accept translations. Users use
the portal to check in their changes. To make use of the translations
that users have committed to the translations/ subversion module, you'll
need to ensure that you have a current checked out copy of TorCheck:
cd check/trunk/i18n/
check/trunk/i18n$ svn up
You should see something like the following:
Fetching external item into 'pootle'
External at revision 15300.
At revision 15300.
Now if you had changes, you'd simply want to move the newly updated .po files
into the current stable directory. Moving the .po files from
'check/trunk/i18n/pootle/' into 'check/trunk/i18n' properly naming the files
for their respective locale.
Here's an example of how to move all of the current pootle translations into
the svn trunk area of TorCheck:
cd check/trunk/i18n/
for locale in `ls -1 pootle/|grep -v template`;
do
mv -v pootle/$locale/TorCheck_$locale.po TorCheck_$locale.po;
done
Now check the differences (ensure the output looks reasonable):
svn diff
Ensure that msgfmt has no errors:
msgfmt -C *.po
And finally check in the changes:
svn commit
---------------------------- Torbutton -------------------------------
Torbutton uses our translation portal to accept translations. Users use
the portal to check in their changes.
To make use of the translations that users have committed to the translations/
subversion module, you'll need to ensure that you have a current checked out
copy of them in your torbutton git checkout:
cd torbutton.git/trans_tools
torbutton.git/trans_tools$ svn co https://tor-svn.freehaven.net/svn/translation/trunk/projects/torbutton pootle
You should see something like the following:
Checked out revision 21092.
If you made changes to strings in Torbutton, you need to rebuild the
templates in torbutton.git/trans_tools/pootle/templates. This is done with
the following command from within the torbutton.git checkout directory:
moz2po -P -i src/chrome/locale/en/ -o trans_tools/pootle/templates/
You now have two options:
Option 1 (The [shitty] Pootle Web UI Way):
View then commit the changes to the template with:
cd trans_tools/pootle
svn diff templates
svn commit templates
Then poke Jake to 'svn up' on the Pootle side. If you do this enough
times, he may give you a button to click to update templates in Pootle,
or maybe even an account on the Pootle server. Persistence is a virtue.
You then need to go to the Pootle website and click the checkbox next to
every language on:
https://translation.torproject.org/projects/torbutton/admin.html
and then click "Update Languages" at the bottom.
You then need to go to each language and go to "Editing Options" and click
"Commit" for each one.
You then need to 'svn up' locally, and follow the procedure above for
rebuilding your .dtd and .properties files.
Yes, this sucks. :/
Option 2 (Use your own msgmerge: YMMV, may change .po flags and formatting):
Run msgmerge yourself for each language:
cd trans_tools
for i in `ls -1 pootle`
do
msgmerge -U ./pootle/$i/torbutton.dtd.po ./pootle/templates/torbutton.dtd.pot
msgmerge -U ./pootle/$i/torbutton.properties.po ./pootle/templates/torbutton.properties.pot
done
svn diff pootle
svn commit pootle
Then poke Jake to 'svn up' on the Pootle side. If you do this enough times,
he may give you a button on Pootle, or maybe even an account on the Pootle
server. Persistence is a virtue.
You may notice that some .po file flags and string formatting have changed
with this method, depending on your gettext version. It is unclear if this
is a problem. Please update this doc if you hit a landmine and everything
breaks :)
After this process is done, you then need to regenerate the mozilla
.dtd and .properties files as specified above.
Regardless of whether or not you had changes in the torbutton strings, if there
were updated strings in pootle that you checked out from svn you now need to
convert from .po and move the newly updated mozilla files into the current
stable locale directory. First convert them with the 'mkmoz.sh' script and
then move the proper mozilla files from 'torbutton.git/trans_tools/moz/' into
'torbutton.git/src/chrome/locale/' directory while properly naming the files
for their respective locale.
Here's an example of how to move all of the current pootle translations into
the svn trunk area of Torbutton:
cd trans_tools
./mkmoz.sh
for locale in `ls -1 moz/`;
do
mv -v moz/$locale/*.{dtd,properties} ../src/chrome/locale/$locale/
done
Now check the differences to your git branch to ensure the output looks
reasonable:
cd ..
git diff
And finally check in the changes:
cd src/chrome/locale
git commit .
---------------------------- Vidalia -------------------------------
Vidalia uses our translation portal to accept translations. Users use the
portal to check in their changes. No conversion or moving is required other
than normal pootle usage.

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How to add a v3 directory authority.
What we'll be doing:
We'll be configuring your Tor server as a v3 directory authority,
generating a v3 identity key plus certificates, and adding your v3
identity fingerprint to the list of default directory authorities.
The steps:
0) Make sure you're running ntp, and that your time is correct.
Make sure you have Tor version at least r12724. In the short term,
running a working authority may mean running the latest version of
Tor from SVN trunk. Later on, we hope that it will become easier
and you can just run a recent development release (and later still,
a recent stable release).
1) First, you'll need a certificate. Run ./src/tools/tor-gencert to
generate one.
Run tor-gencert in a separate, very secure directory. Maybe even on
a more secure computer. The first time you run it, you will need to
run it with the --create-identity-key option to make a v3 authority
identity key. Subsequent times, you can just run it as-is.
tor-gencert will make 3 files:
authority_identity_key -- THIS IS VERY SECRET AND VERY SENSITIVE.
DO NOT LEAK IT. DO NOT LOSE IT.
authority_signing_key -- A key for signing votes and v3 conensuses.
authority_certificate -- A document authenticating your signing key
with your identity-key.
You will need to rotate your signing key periodically. The current
default lifetime is 1 year. We'll probably take this down to a month or
two some time soon. To rotate your key, run tor-gencert as before,
but without the --create-identity-key option.
2) Copy authority_signing_key and authority_certificate to your Tor keys
directory.
For example if your data directory is /var/lib/tor/, you should run
cp authority_signing_key authority_certificate /var/lib/tor/keys/
You will need to repeat this every time you rotate your certificate.
3) Tell your Tor to be a v3 authority by adding these lines to your torrc:
AuthoritativeDirectory 1
V3AuthoritativeDirectory 1
4) Now your authority is generating a networkstatus opinion (called a
"vote") every period, but none of the other authorities care yet. The
next step is to get a Tor developer (likely Roger or Nick) to add
your v3 identity fingerprint to the default list of dirservers.
First, you need to learn your authority's v3 identity fingerprint.
It should be in your authority_certificate file in a line like:
fingerprint 3041632465FA8847A98B2C5742108C72325532D9
One of the Tor developers then needs to add this fingerprint to
the add_default_trusted_dirservers() function in config.c, using
the syntax "v3ident=<fingerprint>". For example, if moria1's new v3
identity fingerprint is FOO, the moria1 dirserver line should now be:
DirServer moria1 v1 orport=9001 v3ident=FOO 128.31.0.34:9031 FFCB 46DB 1339 DA84 674C 70D7 CB58 6434 C437 0441
The v3ident item must appear after the nickname and before the IP.
5) Once your fingerprint has been added to config.c, we will try to
get a majority of v3 authorities to upgrade, so they know about you
too. At that point your vote will automatically be included in the
networkstatus consensus, and you'll be a fully-functioning contributing
v3 authority.
Note also that a majority of the configured v3 authorities need to
agree in order to generate a consensus: so this is also the point
where extended downtime on your server means missing votes.