| Commit message (Collapse) | Author | Age |
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https://trac.torproject.org/projects/tor/ticket/1859
Use router_get_by_digest() instead of router_get_by_hexdigest()
in circuit_discard_optional_exit_enclaves() and
rend_client_get_random_intro(), per Nick's comments.
Using router_get_by_digest() in rend_client_get_random_intro() will
break hidden services published by Tor versions pre 0.1.2.18 and
0.2.07-alpha as they only publish by nickname. This is acceptable
however as these versions only publish to authority tor26 and
don't work for versions in the 0.2.2.x series anyway.
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https://trac.torproject.org/projects/tor/ticket/1859
There are two problems in this bug:
1. When an OP makes a .exit request specifying itself as the exit, and the exit
is not yet listed, Tor gets all the routerinfos needed for the circuit but
discovers in circuit_is_acceptable() that its own routerinfo is not in the
routerdigest list and cannot be used. Tor then gets locked in a cycle of
repeating these two steps. When gathering the routerinfos for a circuit,
specifically when the exit has been chosen by .exit notation, Tor needs to
apply the same rules it uses later on when deciding if it can build a
circuit with those routerinfos.
2. A different bug arises in the above situation when the Tor instance's
routerinfo *is* listed in the routerlist, it shares its nickname with a
number of other Tor nodes, and it does not have 'Named' rights to its
nickname.
So for example, if (i) there are five nodes named Bob in the network, (ii) I
am running one of them but am flagged as 'Unnamed' because someone else
claimed the 'Bob' nickname first, and (iii) I run my Tor as both client
and exit the following can happen to me:
- I go to www.evil.com
- I click on a link www.evil.com.bob.exit
- My request will exit through my own Tor node rather than the 'Named'
node Bob or any of the others.
- www.evil.com now knows I am actually browsing from the same computer
that is running my 'Bob' node
So to solve both issues we need to ensure:
- When fulfilling a .exit request we only choose a routerinfo if it exists in
the routerlist, even when that routerinfo is ours.
- When getting a router by nickname we only return our own router information
if it is not going to be used for building a circuit.
We ensure this by removing the special treatment afforded our own router in
router_get_by_nickname(). This means the function will only return the
routerinfo of our own router if it is in the routerlist built from authority
info and has a unique nickname or is bound to a non-unique nickname.
There are some uses of router_get_by_nickname() where we are looking for the
router by name because of a configuration directive, specifically local
declaration of NodeFamilies and EntryNodes and other routers' declaration of
MyFamily. In these cases it is not at first clear if we need to continue
returning our own routerinfo even if our router is not listed and/or has a
non-unique nickname with the Unnamed flag.
The patch treats each of these cases as follows:
Other Routers' Declaration of MyFamily
This happens in routerlist_add_family(). If another router declares our router
in its family and our router has the Unnamed flag or is not in the routerlist
yet, should we take advantage of the fact that we know our own routerinfo to
add us in anyway? This patch says 'no, treat our own router just like any
other'. This is a safe choice because it ensures our client has the same view
of the network as other clients. We also have no good way of knowing if our
router is Named or not independently of the authorities, so we have to rely on
them in this.
Local declaration of NodeFamilies
Again, we have no way of knowing if the declaration 'NodeFamilies
Bob,Alice,Ringo' refers to our router Bob or the Named router Bob, so we have
to defer to the authorities and treat our own router like any other.
Local declaration of NodeFamilies
Again, same as above. There's also no good reason we would want our client to
choose it's own router as an entry guard if it does not meet the requirements
expected of any other router on the network.
In order to reduce the possibility of error, the patch also replaces two
instances where we were using router_get_by_nickname() with calls to
router_get_by_hexdigest() where the identity digest of the router
is available.
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Use "ours" strategy" to avoid taking bug2402 fix.
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When we stopped using svn, 0.2.1.x lost the ability to notice its svn
revision and report it in the version number. However, it kept
looking at the micro-revision.i file... so if you switched to master,
built tor, then switched to 0.2.1.x, you'd get a micro-revision.i file
from master reported as an SVN tag. This patch takes out the "include
the svn tag" logic entirely.
Bugfix on 0.2.1.15-rc; fixes bug 2402.
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They don't need the geoip file for stats, so a missing geoipfile is not
a big issue. Also make the log message a bit friendlier. Fixes bug 2496.
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Conflicts:
src/or/policies.c
src/or/policies.h
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Patch from "postman" on trac. Fixes bg 2366. Bug on 0.1.2.5-alpha.
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Previously if you wanted to say "All messages except network
messages", you needed to say "[*,~net]" and if you said "[~net]" by
mistake, you would get no messages at all. Now, if you say "[~net]",
you get everything except networking messages.
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Fixes issue 2215.
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Once again spotted by mobmix
Also add a changes file for the fix
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(This squashes multiple commits:
* Adds uptime monitoring support.
* Adds circuit counting code.
* Trivially tweaks the documentation.
* Trivial run_scheduled_events() code tweaking.
* Adds a status.h to export functions.
* Added bandwidth monitoring code.
* Added consensus presense detection code.
* Restricts the precision of the bandwidth output.
* Various fixes.
* Fixed style and spacing problems.
* Tidied up src/or/Makefile.am
* Couple of minor fixes on status.c functions.
* 'Implemented' client heartbeat support
)
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Sets:
* Documentation
* Logging domain
* Configuration option
* Scheduled event
* Makefile
It also creates status.c and the log_heartbeat() function.
All code was written by Sebastian Hahn. Commit message was
written by me (George Kadianakis).
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It is often not entirely clear what options Tor was built with, so it
might not be immediately obvious which config file Tor is using when it
found one. Log the config file at startup.
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Fixes bug 2572.
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Conflicts:
doc/spec/Makefile.am
doc/spec/control-spec.txt
doc/spec/dir-spec.txt
doc/spec/proposals/000-index.txt
doc/spec/proposals/001-process.txt
doc/spec/proposals/ideas/xxx-encrypted-services.txt
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Conflicts:
doc/Makefile.am
doc/spec/Makefile.am
doc/spec/address-spec.txt
doc/spec/bridges-spec.txt
doc/spec/control-spec-v0.txt
doc/spec/control-spec.txt
doc/spec/dir-spec-v1.txt
doc/spec/dir-spec-v2.txt
doc/spec/dir-spec.txt
doc/spec/path-spec.txt
doc/spec/proposals/000-index.txt
doc/spec/proposals/001-process.txt
doc/spec/proposals/098-todo.txt
doc/spec/proposals/099-misc.txt
doc/spec/proposals/100-tor-spec-udp.txt
doc/spec/proposals/101-dir-voting.txt
doc/spec/proposals/102-drop-opt.txt
doc/spec/proposals/103-multilevel-keys.txt
doc/spec/proposals/104-short-descriptors.txt
doc/spec/proposals/105-handshake-revision.txt
doc/spec/proposals/106-less-tls-constraint.txt
doc/spec/proposals/107-uptime-sanity-checking.txt
doc/spec/proposals/108-mtbf-based-stability.txt
doc/spec/proposals/109-no-sharing-ips.txt
doc/spec/proposals/110-avoid-infinite-circuits.txt
doc/spec/proposals/111-local-traffic-priority.txt
doc/spec/proposals/112-bring-back-pathlencoinweight.txt
doc/spec/proposals/113-fast-authority-interface.txt
doc/spec/proposals/114-distributed-storage.txt
doc/spec/proposals/115-two-hop-paths.txt
doc/spec/proposals/116-two-hop-paths-from-guard.txt
doc/spec/proposals/117-ipv6-exits.txt
doc/spec/proposals/118-multiple-orports.txt
doc/spec/proposals/119-controlport-auth.txt
doc/spec/proposals/120-shutdown-descriptors.txt
doc/spec/proposals/121-hidden-service-authentication.txt
doc/spec/proposals/122-unnamed-flag.txt
doc/spec/proposals/123-autonaming.txt
doc/spec/proposals/124-tls-certificates.txt
doc/spec/proposals/125-bridges.txt
doc/spec/proposals/126-geoip-reporting.txt
doc/spec/proposals/127-dirport-mirrors-downloads.txt
doc/spec/proposals/128-bridge-families.txt
doc/spec/proposals/129-reject-plaintext-ports.txt
doc/spec/proposals/130-v2-conn-protocol.txt
doc/spec/proposals/131-verify-tor-usage.txt
doc/spec/proposals/132-browser-check-tor-service.txt
doc/spec/proposals/134-robust-voting.txt
doc/spec/proposals/135-private-tor-networks.txt
doc/spec/proposals/137-bootstrap-phases.txt
doc/spec/proposals/138-remove-down-routers-from-consensus.txt
doc/spec/proposals/140-consensus-diffs.txt
doc/spec/proposals/141-jit-sd-downloads.txt
doc/spec/proposals/142-combine-intro-and-rend-points.txt
doc/spec/proposals/143-distributed-storage-improvements.txt
doc/spec/proposals/145-newguard-flag.txt
doc/spec/proposals/146-long-term-stability.txt
doc/spec/proposals/147-prevoting-opinions.txt
doc/spec/proposals/148-uniform-client-end-reason.txt
doc/spec/proposals/149-using-netinfo-data.txt
doc/spec/proposals/150-exclude-exit-nodes.txt
doc/spec/proposals/151-path-selection-improvements.txt
doc/spec/proposals/152-single-hop-circuits.txt
doc/spec/proposals/153-automatic-software-update-protocol.txt
doc/spec/proposals/154-automatic-updates.txt
doc/spec/proposals/155-four-hidden-service-improvements.txt
doc/spec/proposals/156-tracking-blocked-ports.txt
doc/spec/proposals/157-specific-cert-download.txt
doc/spec/proposals/158-microdescriptors.txt
doc/spec/proposals/159-exit-scanning.txt
doc/spec/proposals/ideas/xxx-hide-platform.txt
doc/spec/proposals/ideas/xxx-port-knocking.txt
doc/spec/proposals/ideas/xxx-separate-streams-by-port.txt
doc/spec/proposals/ideas/xxx-what-uses-sha1.txt
doc/spec/proposals/reindex.py
doc/spec/rend-spec.txt
doc/spec/socks-extensions.txt
doc/spec/tor-spec.txt
doc/spec/version-spec.txt
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release-0.2.2
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