tor-commits June 2012

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17 participants
880 discussions

[ooni-probe/master] Fix bug in http protocol
by art＠torproject.org 13 Jun '12

13 Jun '12

commit c2f406d52a3d62716c75fba0ffe8a6b96babb8e3 Author: Arturo Filastò <art(a)baculo.org> Date: Wed Jun 13 23:19:38 2012 +0200 Fix bug in http protocol --- ooni/protocols/http.py | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/ooni/protocols/http.py b/ooni/protocols/http.py index 068ec0d..a2081bd 100644 --- a/ooni/protocols/http.py +++ b/ooni/protocols/http.py @@ -5,7 +5,6 @@ from twisted.plugin import IPlugin from twisted.internet import protocol, defer from ooni.plugoo.tests import ITest, OONITest from ooni.plugoo.assets import Asset -from ooni.protocols.useragents import useragents from ooni import log useragents = [("Mozilla/5.0 (Windows; U; Windows NT 5.1; en-GB; rv:1.8.1.6) Gecko/20070725 Firefox/2.0.0.6", "Firefox 2.0, Windows XP"),

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[tor/master] Add a warning for using HTTPProxy with no other proxy.
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit f4fccee4d25b0de2780468b6f3b5b3b18d03945c Author: Nick Mathewson <nickm(a)torproject.org> Date: Tue Jun 12 15:21:41 2012 -0400 Add a warning for using HTTPProxy with no other proxy. From what I can tell, this configuration is usually a mistake, and leads people to think that all their traffic is getting proxied when in fact practically none of it is. Resolves the issue behind "bug" 4663. --- changes/bug4663 | 5 +++++ src/or/config.c | 9 +++++++++ 2 files changed, 14 insertions(+), 0 deletions(-) diff --git a/changes/bug4663 b/changes/bug4663 new file mode 100644 index 0000000..f720ff5 --- /dev/null +++ b/changes/bug4663 @@ -0,0 +1,5 @@ + o Minor features: + - Warn the user when HTTPProxy, but no other proxy type, is + configured. This can cause surprising behavior: it doesn't send + all of Tor's traffic over the HTTPProxy--it sends unencrypted + directory traffic only. Resolves ticket 4663. diff --git a/src/or/config.c b/src/or/config.c index 09fcf00..782a6e9 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -3889,6 +3889,15 @@ options_validate(or_options_t *old_options, or_options_t *options, REJECT("You have configured more than one proxy type. " "(Socks4Proxy|Socks5Proxy|HTTPSProxy|ClientTransportPlugin)"); + /* Check if the proxies will give surprising behavior. */ + if (options->HTTPProxy && !(options->Socks4Proxy || + options->Socks5Proxy || + options->HTTPSProxy)) { + log_warn(LD_CONFIG, "HTTPProxy configured, but no SOCKS proxy or " + "HTTPS proxy configured. Watch out: this configuration will " + "proxy unencrypted directory connections only."); + } + if (options->Socks5ProxyUsername) { size_t len;

1 0

[tor/master] Merge remote-tracking branch 'public/bug4663'
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit e5beb82e043cd14f69aace05d4d06784b0413802 Merge: e3a6e01 f4fccee Author: Nick Mathewson <nickm(a)torproject.org> Date: Wed Jun 13 17:01:53 2012 -0400 Merge remote-tracking branch 'public/bug4663' changes/bug4663 | 5 +++++ src/or/config.c | 9 +++++++++ 2 files changed, 14 insertions(+), 0 deletions(-)

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[tor/master] Add debug logging to circuit_build_times_* of circuitbuild.c to trace queries of consensus parameters for bug 5049
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 41a458ece1d61b7e3402ac0fe9c17d51c88e7068 Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Mon Jun 11 20:36:38 2012 -0700 Add debug logging to circuit_build_times_* of circuitbuild.c to trace queries of consensus parameters for bug 5049 --- src/or/circuitbuild.c | 89 ++++++++++++++++++++++++++++++++++++++++++++++--- 1 files changed, 84 insertions(+), 5 deletions(-) diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 3ab72e4..2ce00e1 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -156,6 +156,11 @@ circuit_build_times_disabled(void) state_disabled); return 1; } else { + log_debug(LD_BUG, + "CircuitBuildTime learning is not disabled. " + "Consensus=%d, Config=%d, AuthDir=%d, StateFile=%d", + consensus_disabled, config_disabled, dirauth_disabled, + state_disabled); return 0; } } @@ -171,10 +176,21 @@ circuit_build_times_disabled(void) static int32_t circuit_build_times_max_timeouts(void) { - return networkstatus_get_param(NULL, "cbtmaxtimeouts", + int32_t cbt_maxtimeouts; + + cbt_maxtimeouts = networkstatus_get_param(NULL, "cbtmaxtimeouts", CBT_DEFAULT_MAX_RECENT_TIMEOUT_COUNT, CBT_MIN_MAX_RECENT_TIMEOUT_COUNT, CBT_MAX_MAX_RECENT_TIMEOUT_COUNT); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_max_timeouts() called, cbtmaxtimeouts is" + " %d", + cbt_maxtimeouts); + } + + return cbt_maxtimeouts; } /** @@ -193,6 +209,14 @@ circuit_build_times_default_num_xm_modes(void) CBT_DEFAULT_NUM_XM_MODES, CBT_MIN_NUM_XM_MODES, CBT_MAX_NUM_XM_MODES); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_default_num_xm_modes() called, cbtnummodes" + " is %d", + num); + } + return num; } @@ -209,6 +233,14 @@ circuit_build_times_min_circs_to_observe(void) CBT_DEFAULT_MIN_CIRCUITS_TO_OBSERVE, CBT_MIN_MIN_CIRCUITS_TO_OBSERVE, CBT_MAX_MIN_CIRCUITS_TO_OBSERVE); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_min_circs_to_observe() called, cbtmincircs" + " is %d", + num); + } + return num; } @@ -233,6 +265,14 @@ circuit_build_times_quantile_cutoff(void) CBT_DEFAULT_QUANTILE_CUTOFF, CBT_MIN_QUANTILE_CUTOFF, CBT_MAX_QUANTILE_CUTOFF); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_quantile_cutoff() called, cbtquantile" + " is %d", + num); + } + return num/100.0; } @@ -263,6 +303,13 @@ circuit_build_times_close_quantile(void) CBT_DEFAULT_CLOSE_QUANTILE, CBT_MIN_CLOSE_QUANTILE, CBT_MAX_CLOSE_QUANTILE); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_close_quantile() called, cbtclosequantile" + " is %d", param); + } + if (param < min) { log_warn(LD_DIR, "Consensus parameter cbtclosequantile is " "too small, raising to %d", min); @@ -285,6 +332,13 @@ circuit_build_times_test_frequency(void) CBT_DEFAULT_TEST_FREQUENCY, CBT_MIN_TEST_FREQUENCY, CBT_MAX_TEST_FREQUENCY); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_test_frequency() called, cbttestfreq is %d", + num); + } + return num; } @@ -302,6 +356,13 @@ circuit_build_times_min_timeout(void) CBT_DEFAULT_TIMEOUT_MIN_VALUE, CBT_MIN_TIMEOUT_MIN_VALUE, CBT_MAX_TIMEOUT_MIN_VALUE); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_min_timeout() called, cbtmintimeout is %d", + num); + } + return num; } @@ -319,6 +380,14 @@ circuit_build_times_initial_timeout(void) CBT_DEFAULT_TIMEOUT_INITIAL_VALUE, CBT_MIN_TIMEOUT_INITIAL_VALUE, CBT_MAX_TIMEOUT_INITIAL_VALUE); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_initial_timeout() called, " + "cbtinitialtimeout is %d", + param); + } + if (param < min) { log_warn(LD_DIR, "Consensus parameter cbtinitialtimeout is too small, " "raising to %d", min); @@ -337,10 +406,20 @@ circuit_build_times_initial_timeout(void) static int32_t circuit_build_times_recent_circuit_count(networkstatus_t *ns) { - return networkstatus_get_param(ns, "cbtrecentcount", - CBT_DEFAULT_RECENT_CIRCUITS, - CBT_MIN_RECENT_CIRCUITS, - CBT_MAX_RECENT_CIRCUITS); + int32_t num; + num = networkstatus_get_param(ns, "cbtrecentcount", + CBT_DEFAULT_RECENT_CIRCUITS, + CBT_MIN_RECENT_CIRCUITS, + CBT_MAX_RECENT_CIRCUITS); + + if (!(get_options()->LearnCircuitBuildTimeout)) { + log_debug(LD_BUG, + "circuit_build_times_recent_circuit_count() called, " + "cbtrecentcount is %d", + num); + } + + return num; } /**

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[tor/master] Don't track circuit timeout history unless we're actually using adaptive timeouts
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 5177ab9e4783c1ca9928ac70d19b7daaeacd6b93 Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 11:52:38 2012 -0700 Don't track circuit timeout history unless we're actually using adaptive timeouts --- src/or/circuitbuild.c | 166 +++++++++++++++++++++++++++++++++++------------- 1 files changed, 121 insertions(+), 45 deletions(-) diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 2ce00e1..2b5cb21 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -432,41 +432,91 @@ void circuit_build_times_new_consensus_params(circuit_build_times_t *cbt, networkstatus_t *ns) { - int32_t num = circuit_build_times_recent_circuit_count(ns); + int32_t num; + + /* + * First check if we're doing adaptive timeouts at all; nothing to + * update if we aren't. + */ + + if (!circuit_build_times_disabled()) { + num = circuit_build_times_recent_circuit_count(ns); + + if (num > 0) { + if (num != cbt->liveness.num_recent_circs) { + int8_t *recent_circs; + log_notice(LD_CIRC, "The Tor Directory Consensus has changed how many " + "circuits we must track to detect network failures from %d " + "to %d.", cbt->liveness.num_recent_circs, num); + + tor_assert(cbt->liveness.timeouts_after_firsthop || + cbt->liveness.num_recent_circs == 0); + + /* + * Technically this is a circular array that we are reallocating + * and memcopying. However, since it only consists of either 1s + * or 0s, and is only used in a statistical test to determine when + * we should discard our history after a sufficient number of 1's + * have been reached, it is fine if order is not preserved or + * elements are lost. + * + * cbtrecentcount should only be changing in cases of severe network + * distress anyway, so memory correctness here is paramount over + * doing acrobatics to preserve the array. + */ + recent_circs = tor_malloc_zero(sizeof(int8_t)*num); + if (cbt->liveness.timeouts_after_firsthop && + cbt->liveness.num_recent_circs > 0) { + memcpy(recent_circs, cbt->liveness.timeouts_after_firsthop, + sizeof(int8_t)*MIN(num, cbt->liveness.num_recent_circs)); + } - if (num > 0 && num != cbt->liveness.num_recent_circs) { - int8_t *recent_circs; - log_notice(LD_CIRC, "The Tor Directory Consensus has changed how many " - "circuits we must track to detect network failures from %d " - "to %d.", cbt->liveness.num_recent_circs, num); + // Adjust the index if it needs it. + if (num < cbt->liveness.num_recent_circs) { + cbt->liveness.after_firsthop_idx = MIN(num-1, + cbt->liveness.after_firsthop_idx); + } - tor_assert(cbt->liveness.timeouts_after_firsthop); + tor_free(cbt->liveness.timeouts_after_firsthop); + cbt->liveness.timeouts_after_firsthop = recent_circs; + cbt->liveness.num_recent_circs = num; + } + /* else no change, nothing to do */ + } + else { /* num == 0 */ + /* + * Weird. This probably shouldn't happen, so log a warning, but try + * to do something sensible anyway. + */ + + log_warn(LD_CIRC, + "The cbtrecentcircs consensus parameter came back zero! " + "This disables adaptive timeouts since we can't keep track of " + "any recent circuits."); + + if (cbt->liveness.timeouts_after_firsthop) { + tor_free(cbt->liveness.timeouts_after_firsthop); + cbt->liveness.timeouts_after_firsthop = NULL; + } + cbt->liveness.num_recent_circs = num; + } + } + else { /* - * Technically this is a circular array that we are reallocating - * and memcopying. However, since it only consists of either 1s - * or 0s, and is only used in a statistical test to determine when - * we should discard our history after a sufficient number of 1's - * have been reached, it is fine if order is not preserved or - * elements are lost. - * - * cbtrecentcount should only be changing in cases of severe network - * distress anyway, so memory correctness here is paramount over - * doing acrobatics to preserve the array. + * Adaptive timeouts are disabled; this might be because of the + * LearnCircuitBuildTimes config parameter, and hence permanent, or + * the cbtdisabled consensus parameter, so it may be a new condition. + * Treat it like getting num == 0 above and free the circuit history + * if we have any. */ - recent_circs = tor_malloc_zero(sizeof(int8_t)*num); - memcpy(recent_circs, cbt->liveness.timeouts_after_firsthop, - sizeof(int8_t)*MIN(num, cbt->liveness.num_recent_circs)); - - // Adjust the index if it needs it. - if (num < cbt->liveness.num_recent_circs) { - cbt->liveness.after_firsthop_idx = MIN(num-1, - cbt->liveness.after_firsthop_idx); + + if (cbt->liveness.timeouts_after_firsthop) { + tor_free(cbt->liveness.timeouts_after_firsthop); + cbt->liveness.timeouts_after_firsthop = NULL; } - tor_free(cbt->liveness.timeouts_after_firsthop); - cbt->liveness.timeouts_after_firsthop = recent_circs; - cbt->liveness.num_recent_circs = num; + cbt->liveness.num_recent_circs = 0; } } @@ -523,10 +573,20 @@ void circuit_build_times_init(circuit_build_times_t *cbt) { memset(cbt, 0, sizeof(*cbt)); - cbt->liveness.num_recent_circs = + /* + * Check if we really are using adaptive timeouts, and don't keep + * track of this stuff if not. + */ + if (!circuit_build_times_disabled()) { + cbt->liveness.num_recent_circs = circuit_build_times_recent_circuit_count(NULL); - cbt->liveness.timeouts_after_firsthop = tor_malloc_zero(sizeof(int8_t)* - cbt->liveness.num_recent_circs); + cbt->liveness.timeouts_after_firsthop = + tor_malloc_zero(sizeof(int8_t)*cbt->liveness.num_recent_circs); + } + else { + cbt->liveness.num_recent_circs = 0; + cbt->liveness.timeouts_after_firsthop = NULL; + } cbt->close_ms = cbt->timeout_ms = circuit_build_times_get_initial_timeout(); control_event_buildtimeout_set(cbt, BUILDTIMEOUT_SET_EVENT_RESET); } @@ -1213,9 +1273,14 @@ circuit_build_times_network_is_live(circuit_build_times_t *cbt) void circuit_build_times_network_circ_success(circuit_build_times_t *cbt) { - cbt->liveness.timeouts_after_firsthop[cbt->liveness.after_firsthop_idx] = 0; - cbt->liveness.after_firsthop_idx++; - cbt->liveness.after_firsthop_idx %= cbt->liveness.num_recent_circs; + /* Check for NULLness because we might not be using adaptive timeouts */ + if (cbt->liveness.timeouts_after_firsthop && + cbt->liveness.num_recent_circs > 0) { + cbt->liveness.timeouts_after_firsthop[cbt->liveness.after_firsthop_idx] + = 0; + cbt->liveness.after_firsthop_idx++; + cbt->liveness.after_firsthop_idx %= cbt->liveness.num_recent_circs; + } } /** @@ -1230,10 +1295,15 @@ static void circuit_build_times_network_timeout(circuit_build_times_t *cbt, int did_onehop) { - if (did_onehop) { - cbt->liveness.timeouts_after_firsthop[cbt->liveness.after_firsthop_idx]=1; - cbt->liveness.after_firsthop_idx++; - cbt->liveness.after_firsthop_idx %= cbt->liveness.num_recent_circs; + /* Check for NULLness because we might not be using adaptive timeouts */ + if (cbt->liveness.timeouts_after_firsthop && + cbt->liveness.num_recent_circs > 0) { + if (did_onehop) { + cbt->liveness.timeouts_after_firsthop[cbt->liveness.after_firsthop_idx] + = 1; + cbt->liveness.after_firsthop_idx++; + cbt->liveness.after_firsthop_idx %= cbt->liveness.num_recent_circs; + } } } @@ -1319,10 +1389,13 @@ circuit_build_times_network_check_changed(circuit_build_times_t *cbt) int timeout_count=0; int i; - /* how many of our recent circuits made it to the first hop but then - * timed out? */ - for (i = 0; i < cbt->liveness.num_recent_circs; i++) { - timeout_count += cbt->liveness.timeouts_after_firsthop[i]; + if (cbt->liveness.timeouts_after_firsthop && + cbt->liveness.num_recent_circs > 0) { + /* how many of our recent circuits made it to the first hop but then + * timed out? */ + for (i = 0; i < cbt->liveness.num_recent_circs; i++) { + timeout_count += cbt->liveness.timeouts_after_firsthop[i]; + } } /* If 80% of our recent circuits are timing out after the first hop, @@ -1332,9 +1405,12 @@ circuit_build_times_network_check_changed(circuit_build_times_t *cbt) } circuit_build_times_reset(cbt); - memset(cbt->liveness.timeouts_after_firsthop, 0, - sizeof(*cbt->liveness.timeouts_after_firsthop)* - cbt->liveness.num_recent_circs); + if (cbt->liveness.timeouts_after_firsthop && + cbt->liveness.num_recent_circs > 0) { + memset(cbt->liveness.timeouts_after_firsthop, 0, + sizeof(*cbt->liveness.timeouts_after_firsthop)* + cbt->liveness.num_recent_circs); + } cbt->liveness.after_firsthop_idx = 0; /* Check to see if this has happened before. If so, double the timeout

1 0

[tor/master] Unconditionally use config CircuitBuildTimeout if LearnCircuitBuildTimeout is disabled
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 7df26de948d478bd9d1d85ffb54ca81f9f7488f1 Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 12:11:32 2012 -0700 Unconditionally use config CircuitBuildTimeout if LearnCircuitBuildTimeout is disabled --- src/or/circuitbuild.c | 27 +++++++++++++++++++-------- 1 files changed, 19 insertions(+), 8 deletions(-) diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 2b5cb21..61576d1 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -535,16 +535,27 @@ static double circuit_build_times_get_initial_timeout(void) { double timeout; - if (!unit_tests && get_options()->CircuitBuildTimeout) { - timeout = get_options()->CircuitBuildTimeout*1000; - if (timeout < circuit_build_times_min_timeout()) { - log_warn(LD_CIRC, "Config CircuitBuildTimeout too low. Setting to %ds", - circuit_build_times_min_timeout()/1000); - timeout = circuit_build_times_min_timeout(); + + /* + * Check if we have LearnCircuitBuildTimeout, and if we don't, + * always use CircuitBuildTimeout, no questions asked. + */ + if (get_options()->LearnCircuitBuildTimeout) { + if (!unit_tests && get_options()->CircuitBuildTimeout) { + timeout = get_options()->CircuitBuildTimeout*1000; + if (timeout < circuit_build_times_min_timeout()) { + log_warn(LD_CIRC, "Config CircuitBuildTimeout too low. Setting to %ds", + circuit_build_times_min_timeout()/1000); + timeout = circuit_build_times_min_timeout(); + } + } else { + timeout = circuit_build_times_initial_timeout(); } - } else { - timeout = circuit_build_times_initial_timeout(); } + else { + timeout = get_options()->CircuitBuildTimeout*1000; + } + return timeout; }

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[tor/master] Use K&R style
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit a0f76289fd8b778dd6a46c8726fddfc15d68193d Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 19:31:01 2012 -0700 Use K&R style --- src/or/circuitbuild.c | 12 ++++-------- 1 files changed, 4 insertions(+), 8 deletions(-) diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 61576d1..8efaa7c 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -482,8 +482,7 @@ circuit_build_times_new_consensus_params(circuit_build_times_t *cbt, cbt->liveness.num_recent_circs = num; } /* else no change, nothing to do */ - } - else { /* num == 0 */ + } else { /* num == 0 */ /* * Weird. This probably shouldn't happen, so log a warning, but try * to do something sensible anyway. @@ -501,8 +500,7 @@ circuit_build_times_new_consensus_params(circuit_build_times_t *cbt, cbt->liveness.num_recent_circs = num; } - } - else { + } else { /* * Adaptive timeouts are disabled; this might be because of the * LearnCircuitBuildTimes config parameter, and hence permanent, or @@ -551,8 +549,7 @@ circuit_build_times_get_initial_timeout(void) } else { timeout = circuit_build_times_initial_timeout(); } - } - else { + } else { timeout = get_options()->CircuitBuildTimeout*1000; } @@ -593,8 +590,7 @@ circuit_build_times_init(circuit_build_times_t *cbt) circuit_build_times_recent_circuit_count(NULL); cbt->liveness.timeouts_after_firsthop = tor_malloc_zero(sizeof(int8_t)*cbt->liveness.num_recent_circs); - } - else { + } else { cbt->liveness.num_recent_circs = 0; cbt->liveness.timeouts_after_firsthop = NULL; }

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[tor/master] Don't poll to see if we need to build circuits for timeout data if LearnCircuitBuildTimeout is disabled
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 0c3c0b1ddd97d9bad4d7a0e875ef46729245ffda Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 12:12:06 2012 -0700 Don't poll to see if we need to build circuits for timeout data if LearnCircuitBuildTimeout is disabled --- src/or/circuituse.c | 4 +++- 1 files changed, 3 insertions(+), 1 deletions(-) diff --git a/src/or/circuituse.c b/src/or/circuituse.c index f43ce19..7532c4e 100644 --- a/src/or/circuituse.c +++ b/src/or/circuituse.c @@ -746,6 +746,7 @@ circuit_predict_and_launch_new(void) * want, don't do another -- we want to leave a few slots open so * we can still build circuits preemptively as needed. */ if (num < MAX_UNUSED_OPEN_CIRCUITS-2 && + get_options()->LearnCircuitBuildTimeout && circuit_build_times_needs_circuits_now(&circ_times)) { flags = CIRCLAUNCH_NEED_CAPACITY; log_info(LD_CIRC, @@ -881,7 +882,8 @@ circuit_expire_old_circuits_clientside(void) tor_gettimeofday(&now); cutoff = now; - if (circuit_build_times_needs_circuits(&circ_times)) { + if (get_options()->LearnCircuitBuildTimeout && + circuit_build_times_needs_circuits(&circ_times)) { /* Circuits should be shorter lived if we need more of them * for learning a good build timeout */ cutoff.tv_sec -= IDLE_TIMEOUT_WHILE_LEARNING;

1 0

[tor/master] Add change file for bug 5049
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 825fb149cdbd30cd25a652d9f5921f6eedd49ad2 Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 12:49:03 2012 -0700 Add change file for bug 5049 --- changes/bug5049 | 4 ++++ 1 files changed, 4 insertions(+), 0 deletions(-) diff --git a/changes/bug5049 b/changes/bug5049 new file mode 100644 index 0000000..677fd42 --- /dev/null +++ b/changes/bug5049 @@ -0,0 +1,4 @@ + o Minor bugfixes: + - Make sure circuitbuild.c checks LearnCircuitBuildTimeout in all the + right places and never depends on the consensus parameters or computes + adaptive timeouts when it is disabled.

1 0

[tor/master] Early exit from circuit_build_times_set_timeout() if adaptive timeouts are disabled
by nickm＠torproject.org 13 Jun '12

13 Jun '12

commit 39a9178ba779af4201f3b6cc6d9db4a70ac058dd Author: Andrea Shepard <andrea(a)persephoneslair.org> Date: Tue Jun 12 12:24:05 2012 -0700 Early exit from circuit_build_times_set_timeout() if adaptive timeouts are disabled --- src/or/circuitbuild.c | 6 ++++++ 1 files changed, 6 insertions(+), 0 deletions(-) diff --git a/src/or/circuitbuild.c b/src/or/circuitbuild.c index 8efaa7c..03b702b 100644 --- a/src/or/circuitbuild.c +++ b/src/or/circuitbuild.c @@ -1598,6 +1598,12 @@ circuit_build_times_set_timeout(circuit_build_times_t *cbt) long prev_timeout = tor_lround(cbt->timeout_ms/1000); double timeout_rate; + /* + * Just return if we aren't using adaptive timeouts + */ + if (circuit_build_times_disabled()) + return; + if (!circuit_build_times_set_timeout_worker(cbt)) return;

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tor-commits June 2012