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2018-01-30Merge branch 'ticket24902_029_05' into ticket24902_033_02David Goulet
2018-01-30dos: Add the DoSRefuseSingleHopClientRendezvous optionDavid Goulet
This option refuses any ESTABLISH_RENDEZVOUS cell arriving from a client connection. Its default value is "auto" for which we can turn it on or off with a consensus parameter. Default value is 0. Signed-off-by: David Goulet <dgoulet@torproject.org>
2017-07-13rephist: Remove unused crypto_pk statistics.Isis Lovecruft
These statistics were largely ununsed, and kept track of statistical information on things like how many time we had done TLS or how many signatures we had verified. This information is largely not useful, and would only be logged after receiving a SIGUSR1 signal (but only if the logging severity level was less than LOG_INFO). * FIXES #19871. * REMOVES note_crypto_pk_op(), dump_pk_op(), and pk_op_counts from src/or/rephist.c. * REMOVES every external call to these functions.
2017-04-13hs: Add service-side circuitmap API.George Kadianakis
Now we have separate getters and setters for service-side and relay-side. I took this approach over adding arguments to the already existing methods to have more explicit type-checking, and also because some functions would grow too large and dirty. This commit also fixes every callsite to use the new function names which modifies the legacy HS (v2) and the prop224 (v3) code. Signed-off-by: David Goulet <dgoulet@torproject.org>
2017-04-07hs: Refactor circuitmap to use circuit_t instead of or_circuit_t.George Kadianakis
2017-03-15Run the copyright update script.Nick Mathewson
2017-01-18hs: Rename rend_mid_introduce() with legacy semanticDavid Goulet
Signed-off-by: David Goulet <dgoulet@torproject.org>
2017-01-18hs: Remove useless code in rend_mid_introduce()David Goulet
With the previous commit, we validate the circuit _before_ calling rend_mid_introduce() which handles the INTRODUCE1 payload. Signed-off-by: David Goulet <dgoulet@torproject.org>
2017-01-18prop224: Rename hs_intro_circuit_is_suitable()David Goulet
Adds a better semantic and it also follows the same interface for the INTRODUCE1 API which is circuit_is_suitable_for_introduce1(). Signed-off-by: David Goulet <dgoulet@torproject.org>
2016-12-14prop224: Use new HS functions in old HS code.George Kadianakis
This is needed to make old code unittestable.
2016-12-14prop224: Introduce the new introduction point code.George Kadianakis
(pun not intended) Now our code supports both legacy and prop224 ESTABLISH_INTRO cells :) hs_intro_received_establish_intro() is the new entry point.
2016-12-14prop224 prepwork: Use of HS circuitmap in existing HS code.George Kadianakis
The new HS circuitmap API replaces old public functions as follows: circuit_clear_rend_token -> hs_circuitmap_remove_circuit circuit_get_rendezvous -> hs_circuitmap_get_rend_circ circuit_get_intro_point -> hs_circuitmap_get_intro_circ_v2 circuit_set_rendezvous_cookie -> hs_circuitmap_register_rend_circ circuit_set_intro_point_digest -> hs_circuitmap_register_intro_circ_v2 This commit also removes the old rendinfo code that is now unused. It also fixes the broken rendinfo unittests.
2016-10-27Slightly refactor and fix couple callsitesDavid Goulet
Signed-off-by: David Goulet <dgoulet@torproject.org>
2016-10-27Do not mark circs for close again after relay_send_command_from_edge()Ivan Markin
2016-05-09Stop being so strict about the payload length of "rendezvous1" cellsRoger Dingledine
We used to be locked in to the "tap" handshake length, and now we can handle better handshakes like "ntor". Resolves ticket 18998. I checked that relay_send_command_from_edge() behaves fine when you hand it a payload with length 0. Clients behave fine too, since current clients remain strict about the required length in the rendezvous2 cells. (Clients will want to become less strict once they have an alternate format that they're willing to receive.)
2016-02-27Update the copyright year.Nick Mathewson
2016-01-26Replace Alice/Bob with client/service in hidden service commentsteor (Tim Wilson-Brown)
2015-04-03... and if we do get multiple INTRODUCE1s on a circuit, kill the circuitGeorge Kadianakis
(Sending a nak would be pointless.) See ticket 15515 for discussion.
2015-04-01Merge remote-tracking branch 'public/bug15515_025'Nick Mathewson
2015-04-01Block multiple introductions on the same intro circuit.George Kadianakis
2015-01-02Bump copyright dates to 2015, in case someday this matters.Nick Mathewson
2014-12-19Add two hidden-service related statistics.George Kadianakis
The two statistics are: 1. number of RELAY cells observed on successfully established rendezvous circuits; and 2. number of .onion addresses observed as hidden-service directory. Both statistics are accumulated over 24 hours, obfuscated by rounding up to the next multiple of a given number and adding random noise, and written to local file stats/hidserv-stats. Notably, no statistics will be gathered on clients or services, but only on relays.
2014-10-28Add another year to our copyright dates.Nick Mathewson
Because in 95 years, we or our successors will surely care about enforcing the BSD license terms on this code. Right?
2014-09-23two more typosRoger Dingledine
2014-08-29Improve "Tried to establish rendezvous on non-OR or non-edge circuit"Nick Mathewson
Instead of putting it all in one warning message, log what exactly was wrong with the circuit. Resolves ticket 12997.
2014-04-08Merge remote-tracking branch 'public/bug9841_025'Nick Mathewson
2014-03-25Demote "Invalid length on ESTABLISH_RENDEZVOUS" to protocol_warnNick Mathewson
Fixes bug 11279
2014-02-13Tweak sign of rend_token params for consistencyNick Mathewson
2014-02-13Faster circuit_get_by_rend_token_and_purpose()Nick Mathewson
On busy servers, this function takes up something like 3-7% in different profiles, and gets invoked every time we need to participate as the midpoint in a hidden service. So maybe walking through a linked list of all the circuits here wasn't a good idea.
2013-03-10Fix 8447: use %u to format circid_t.Nick Mathewson
Now that circid_t is 4 bytes long, the default integer promotions will leave it alone when sizeof(int) == 4, which will leave us formatting an unsigned as an int. That's technically undefined behavior. Fixes bug 8447 on bfffc1f0fc7616a25c32da2eb759dade4651659e. Bug not in any released Tor.
2013-01-16Update the copyright date to 201.Nick Mathewson
2013-01-03Rename handshake_digest to rend_circ_nonceNick Mathewson
The handshake_digest field was never meaningfully a digest *of* the handshake, but rather is a digest *from* the handshake that we exapted to prevent replays of ESTABLISH_INTRO cells. The ntor handshake will generate it as more key material rather than taking it from any part of the circuit handshake reply..
2012-10-12Rename all reserved C identifiers we definedNick Mathewson
For everything we declare that starts with _, make it end with _ instead. This is a machine-generated patch. To make it, start by getting the list of reserved identifiers using: git ls-tree -r --name-only HEAD | grep '\.[ch]$' | \ xargs ctags --c-kinds=defglmpstuvx -o - | grep '^_' | \ cut -f 1 | sort| uniq You might need gnu ctags. Then pipe the output through this script: ============================== use strict; BEGIN { print "#!/usr/bin/perl -w -i -p\n\n"; } chomp; next if ( /^__attribute__/ or /^__func__/ or /^_FILE_OFFSET_BITS/ or /^_FORTIFY_SOURCE/ or /^_GNU_SOURCE/ or /^_WIN32/ or /^_DARWIN_UNLIMITED/ or /^_FILE_OFFSET_BITS/ or /^_LARGEFILE64_SOURCE/ or /^_LFS64_LARGEFILE/ or /^__cdecl/ or /^__attribute__/ or /^__func__/ or /^_WIN32_WINNT/); my $ident = $_; my $better = $ident; $better =~ s/^_//; $better = "${better}_"; print "s/(?<![A-Za-z0-9_])$ident(?![A-Za-z0-9_])/$better/g;\n"; ============================== Then run the resulting script on all the files you want to change. (That is, all the C except that in src/ext.) 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2012-10-08Convert rendmid.c to channel_tAndrea Shepard
2012-06-04Update copyright dates to 2012; add a few missing copyright statementsNick Mathewson
2012-05-07Make a cast less const-violating; make a field size explicit.Nick Mathewson
2012-05-07Reorder rend_mid_rendezvous() to do protocol violation checks on top.George Kadianakis
2012-01-18Rename nonconformant identifiers.Nick Mathewson
Fixes bug 4893. These changes are pure mechanical, and were generated with this perl script: /usr/bin/perl -w -i.bak -p s/crypto_pk_env_t/crypto_pk_t/g; s/crypto_dh_env_t/crypto_dh_t/g; s/crypto_cipher_env_t/crypto_cipher_t/g; s/crypto_digest_env_t/crypto_digest_t/g; s/aes_free_cipher/aes_cipher_free/g; s/crypto_free_cipher_env/crypto_cipher_free/g; s/crypto_free_digest_env/crypto_digest_free/g; s/crypto_free_pk_env/crypto_pk_free/g; s/_crypto_dh_env_get_dh/_crypto_dh_get_dh/g; s/_crypto_new_pk_env_rsa/_crypto_new_pk_from_rsa/g; s/_crypto_pk_env_get_evp_pkey/_crypto_pk_get_evp_pkey/g; s/_crypto_pk_env_get_rsa/_crypto_pk_get_rsa/g; s/crypto_new_cipher_env/crypto_cipher_new/g; s/crypto_new_digest_env/crypto_digest_new/g; s/crypto_new_digest256_env/crypto_digest256_new/g; s/crypto_new_pk_env/crypto_pk_new/g; s/crypto_create_crypto_env/crypto_cipher_new/g; s/connection_create_listener/connection_listener_new/g; s/smartlist_create/smartlist_new/g; s/transport_create/transport_new/g;
2011-11-24Log whenever a circuit's purpose is changedRobert Ransom
2011-05-11Merge remote-tracking branch 'public/3122_memcmp_squashed' into ↵Nick Mathewson
bug3122_memcmp_022 Conflicts throughout. All resolved in favor of taking HEAD and adding tor_mem* or fast_mem* ops as appropriate. src/common/Makefile.am src/or/circuitbuild.c src/or/directory.c src/or/dirserv.c src/or/dirvote.c src/or/networkstatus.c src/or/rendclient.c src/or/rendservice.c src/or/router.c src/or/routerlist.c src/or/routerparse.c src/or/test.c
2011-05-11Hand-conversion and audit phase of memcmp transitionNick Mathewson
Here I looked at the results of the automated conversion and cleaned them up as follows: If there was a tor_memcmp or tor_memeq that was in fact "safe"[*] I changed it to a fast_memcmp or fast_memeq. Otherwise if there was a tor_memcmp that could turn into a tor_memneq or tor_memeq, I converted it. This wants close attention. [*] I'm erring on the side of caution here, and leaving some things as tor_memcmp that could in my opinion use the data-dependent fast_memcmp variant.
2011-05-11Automated conversion of memcmp to tor_memcmp/tor_mem[n]eqNick Mathewson
This commit is _exactly_ the result of perl -i -pe 's/\bmemcmp\(/tor_memcmp\(/g' src/*/*.[ch] perl -i -pe 's/\!\s*tor_memcmp\(/tor_memeq\(/g' src/*/*.[ch] perl -i -pe 's/0\s*==\s*tor_memcmp\(/tor_memeq\(/g' src/*/*.[ch] perl -i -pe 's/0\s*!=\s*tor_memcmp\(/tor_memneq\(/g' src/*/*.[ch] git checkout src/common/di_ops.[ch] git checkout src/or/test.c git checkout src/common/test.h
2011-01-03Merge remote branch 'origin/maint-0.2.1' into maint-0.2.2Nick Mathewson
Conflicts: src/or/routerparse.c
2011-01-03fix whitespace issuesNick Mathewson
2011-01-03Merge remote branch 'origin/maint-0.2.1' into maint-0.2.2Nick Mathewson
Conflicts: src/common/test.h src/or/test.c
2011-01-03Bump copyright statements to 2011Nick Mathewson
2010-12-15Merge remote branch fix_security_bug_021 into fix_security_bug_022Nick Mathewson
Conflicts: src/common/memarea.c src/or/or.h src/or/rendclient.c
2010-12-15Make payloads into uint8_t.Nick Mathewson
This will avoid some signed/unsigned assignment-related bugs.
2010-07-27Create rephist.hSebastian Hahn
2010-07-27Create rendmid.hSebastian Hahn
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