From b0d4ca4990d50f45a4e0e2805ff471f7408c3007 Mon Sep 17 00:00:00 2001 From: Karsten Loesing Date: Fri, 24 May 2013 09:48:15 +0200 Subject: [PATCH] Tweak #6752 patch based on comments by nickm. --- src/common/container.c | 4 +- src/or/config.c | 142 +++++++++++------------------------------ src/or/confparse.c | 4 +- src/or/directory.c | 14 ++-- 4 files changed, 50 insertions(+), 114 deletions(-) diff --git a/src/common/container.c b/src/common/container.c index 03c65b7c1e..476dc82913 100644 --- a/src/common/container.c +++ b/src/common/container.c @@ -243,8 +243,8 @@ smartlist_strings_eq(const smartlist_t *sl1, const smartlist_t *sl2) return 1; } -/** Return true iff the two lists contain the same ints in the same order, - * or if they are both NULL. */ +/** Return true iff the two lists contain the same int pointer values in + * the same order, or if they are both NULL. */ int smartlist_ints_eq(const smartlist_t *sl1, const smartlist_t *sl2) { diff --git a/src/or/config.c b/src/or/config.c index 580993759b..d85ba4c2e5 100644 --- a/src/or/config.c +++ b/src/or/config.c @@ -2315,8 +2315,9 @@ compute_publishserverdescriptor(or_options_t *options) * */ #define RECOMMENDED_MIN_CIRCUIT_BUILD_TIMEOUT (10) -/** Return 0 if every setting in options is reasonable, and a - * permissible transition from old_options. Else return -1. +/** Return 0 if every setting in options is reasonable, does not + * differ from default_options unless in testing Tor networks, and + * is a permissible transition from old_options. Else return -1. * Should have no side effects, except for normalizing the contents of * options. * @@ -3211,33 +3212,43 @@ options_validate(or_options_t *old_options, or_options_t *options, "ignore you."); } - if (default_options->TestingV3AuthInitialVotingInterval != - options->TestingV3AuthInitialVotingInterval && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingV3AuthInitialVotingInterval may only be changed in testing " - "Tor networks!"); - } else if (options->TestingV3AuthInitialVotingInterval < MIN_VOTE_INTERVAL) { +#define CHECK_DEFAULT(arg) \ + STMT_BEGIN if (default_options->arg != options->arg && \ + !options->TestingTorNetwork && \ + !options->UsingTestNetworkDefaults_) { \ + REJECT("Testing* options may only be changed in testing Tor " \ + "networks!"); \ + } STMT_END + CHECK_DEFAULT(TestingV3AuthInitialVotingInterval); + CHECK_DEFAULT(TestingV3AuthInitialVoteDelay); + CHECK_DEFAULT(TestingV3AuthInitialDistDelay); + CHECK_DEFAULT(TestingAuthDirTimeToLearnReachability); + CHECK_DEFAULT(TestingEstimatedDescriptorPropagationTime); + CHECK_DEFAULT(TestingServerDownloadSchedule); + CHECK_DEFAULT(TestingClientDownloadSchedule); + CHECK_DEFAULT(TestingServerConsensusDownloadSchedule); + CHECK_DEFAULT(TestingClientConsensusDownloadSchedule); + CHECK_DEFAULT(TestingBridgeDownloadSchedule); + CHECK_DEFAULT(TestingClientMaxIntervalWithoutRequest); + CHECK_DEFAULT(TestingDirConnectionMaxStall); + CHECK_DEFAULT(TestingConsensusMaxDownloadTries); + CHECK_DEFAULT(TestingDescriptorMaxDownloadTries); + CHECK_DEFAULT(TestingMicrodescMaxDownloadTries); + CHECK_DEFAULT(TestingCertMaxDownloadTries); +#undef CHECK_DEFAULT + + if (options->TestingV3AuthInitialVotingInterval < MIN_VOTE_INTERVAL) { REJECT("TestingV3AuthInitialVotingInterval is insanely low."); } else if (((30*60) % options->TestingV3AuthInitialVotingInterval) != 0) { REJECT("TestingV3AuthInitialVotingInterval does not divide evenly into " "30 minutes."); } - if (default_options->TestingV3AuthInitialVoteDelay != - options->TestingV3AuthInitialVoteDelay && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingV3AuthInitialVoteDelay may only be changed in testing " - "Tor networks!"); - } else if (options->TestingV3AuthInitialVoteDelay < MIN_VOTE_SECONDS) { + if (options->TestingV3AuthInitialVoteDelay < MIN_VOTE_SECONDS) { REJECT("TestingV3AuthInitialVoteDelay is way too low."); } - if (default_options->TestingV3AuthInitialDistDelay != - options->TestingV3AuthInitialDistDelay && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingV3AuthInitialDistDelay may only be changed in testing " - "Tor networks!"); - } else if (options->TestingV3AuthInitialDistDelay < MIN_DIST_SECONDS) { + if (options->TestingV3AuthInitialDistDelay < MIN_DIST_SECONDS) { REJECT("TestingV3AuthInitialDistDelay is way too low."); } @@ -3248,124 +3259,49 @@ options_validate(or_options_t *old_options, or_options_t *options, "must be less than half TestingV3AuthInitialVotingInterval"); } - if (default_options->TestingAuthDirTimeToLearnReachability != - options->TestingAuthDirTimeToLearnReachability && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingAuthDirTimeToLearnReachability may only be changed in " - "testing Tor networks!"); - } else if (options->TestingAuthDirTimeToLearnReachability < 0) { + if (options->TestingAuthDirTimeToLearnReachability < 0) { REJECT("TestingAuthDirTimeToLearnReachability must be non-negative."); } else if (options->TestingAuthDirTimeToLearnReachability > 2*60*60) { COMPLAIN("TestingAuthDirTimeToLearnReachability is insanely high."); } - if (default_options->TestingEstimatedDescriptorPropagationTime != - options->TestingEstimatedDescriptorPropagationTime && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingEstimatedDescriptorPropagationTime may only be changed in " - "testing Tor networks!"); - } else if (options->TestingEstimatedDescriptorPropagationTime < 0) { + if (options->TestingEstimatedDescriptorPropagationTime < 0) { REJECT("TestingEstimatedDescriptorPropagationTime must be non-negative."); } else if (options->TestingEstimatedDescriptorPropagationTime > 60*60) { COMPLAIN("TestingEstimatedDescriptorPropagationTime is insanely high."); } - if (!smartlist_ints_eq(options->TestingServerDownloadSchedule, - default_options->TestingServerDownloadSchedule) && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingServerDownloadSchedule may only be changed in testing " - "Tor networks!"); - } - - if (!smartlist_ints_eq(options->TestingClientDownloadSchedule, - default_options->TestingClientDownloadSchedule) && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingClientDownloadSchedule may only be changed in testing " - "Tor networks!"); - } - - if (!smartlist_ints_eq(options->TestingServerConsensusDownloadSchedule, - default_options->TestingServerConsensusDownloadSchedule) && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingServerConsensusDownloadSchedule may only be changed " - "in testing Tor networks!"); - } - - if (!smartlist_ints_eq(options->TestingClientConsensusDownloadSchedule, - default_options->TestingClientConsensusDownloadSchedule) && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingClientConsensusDownloadSchedule may only be changed " - "in testing Tor networks!"); - } - - if (!smartlist_ints_eq(options->TestingBridgeDownloadSchedule, - default_options->TestingBridgeDownloadSchedule) && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingBridgeDownloadSchedule may only be changed in testing " - "Tor networks!"); - } - - if (default_options->TestingClientMaxIntervalWithoutRequest != - options->TestingClientMaxIntervalWithoutRequest && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingClientMaxIntervalWithoutRequest may only be changed " - "in testing Tor networks!"); - } else if (options->TestingClientMaxIntervalWithoutRequest < 1) { + if (options->TestingClientMaxIntervalWithoutRequest < 1) { REJECT("TestingClientMaxIntervalWithoutRequest is way too low."); } else if (options->TestingClientMaxIntervalWithoutRequest > 3600) { COMPLAIN("TestingClientMaxIntervalWithoutRequest is insanely high."); } - if (default_options->TestingDirConnectionMaxStall != - options->TestingDirConnectionMaxStall && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingDirConnectionMaxStall may only be changed in testing " - "Tor networks!"); - } else if (options->TestingDirConnectionMaxStall < 5) { + if (options->TestingDirConnectionMaxStall < 5) { REJECT("TestingDirConnectionMaxStall is way too low."); } else if (options->TestingDirConnectionMaxStall > 3600) { COMPLAIN("TestingDirConnectionMaxStall is insanely high."); } - if (default_options->TestingConsensusMaxDownloadTries != - options->TestingConsensusMaxDownloadTries && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingConsensusMaxDownloadTries may only be changed in " - "testing Tor networks!"); - } else if (options->TestingConsensusMaxDownloadTries < 2) { + if (options->TestingConsensusMaxDownloadTries < 2) { REJECT("TestingConsensusMaxDownloadTries must be greater than 1."); } else if (options->TestingConsensusMaxDownloadTries > 800) { COMPLAIN("TestingConsensusMaxDownloadTries is insanely high."); } - if (default_options->TestingDescriptorMaxDownloadTries != - options->TestingDescriptorMaxDownloadTries && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingDescriptorMaxDownloadTries may only be changed in " - "testing Tor networks!"); - } else if (options->TestingDescriptorMaxDownloadTries < 2) { + if (options->TestingDescriptorMaxDownloadTries < 2) { REJECT("TestingDescriptorMaxDownloadTries must be greater than 1."); } else if (options->TestingDescriptorMaxDownloadTries > 800) { COMPLAIN("TestingDescriptorMaxDownloadTries is insanely high."); } - if (default_options->TestingMicrodescMaxDownloadTries != - options->TestingMicrodescMaxDownloadTries && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingMicrodescMaxDownloadTries may only be changed in " - "testing Tor networks!"); - } else if (options->TestingMicrodescMaxDownloadTries < 2) { + if (options->TestingMicrodescMaxDownloadTries < 2) { REJECT("TestingMicrodescMaxDownloadTries must be greater than 1."); } else if (options->TestingMicrodescMaxDownloadTries > 800) { COMPLAIN("TestingMicrodescMaxDownloadTries is insanely high."); } - if (default_options->TestingCertMaxDownloadTries != - options->TestingCertMaxDownloadTries && - !options->TestingTorNetwork && !options->UsingTestNetworkDefaults_) { - REJECT("TestingCertMaxDownloadTries may only be changed in testing " - "Tor networks!"); - } else if (options->TestingCertMaxDownloadTries < 2) { + if (options->TestingCertMaxDownloadTries < 2) { REJECT("TestingCertMaxDownloadTries must be greater than 1."); } else if (options->TestingCertMaxDownloadTries > 800) { COMPLAIN("TestingCertMaxDownloadTries is insanely high."); diff --git a/src/or/confparse.c b/src/or/confparse.c index 8607f582ce..eb0362f494 100644 --- a/src/or/confparse.c +++ b/src/or/confparse.c @@ -588,7 +588,6 @@ config_get_assigned_option(const config_format_t *fmt, const void *options, const void *value; config_line_t *result; smartlist_t *csv_str; - char *s; tor_assert(options && key); CONFIG_CHECK(fmt, options); @@ -676,8 +675,7 @@ config_get_assigned_option(const config_format_t *fmt, const void *options, csv_str = smartlist_new(); SMARTLIST_FOREACH_BEGIN(*(smartlist_t**)value, int *, i) { - tor_asprintf(&s, "%d", *i); - smartlist_add(csv_str, s); + smartlist_add_asprintf(csv_str, "%d", *i); } SMARTLIST_FOREACH_END(i); result->value = smartlist_join_strings(csv_str, ",", 0, NULL); diff --git a/src/or/directory.c b/src/or/directory.c index caf8a55943..88d6717791 100644 --- a/src/or/directory.c +++ b/src/or/directory.c @@ -3723,10 +3723,12 @@ dir_networkstatus_download_failed(smartlist_t *failed, int status_code) } SMARTLIST_FOREACH_END(fp); } -/** Decide which download schedule we want to use, and then return a - * pointer to it along with a pointer to its length. Helper function for - * download_status_increment_failure() and download_status_reset(). */ -static smartlist_t * +/** Decide which download schedule we want to use based on descriptor type + * in dls and whether we are acting as directory server, and + * then return a list of int pointers defining download delays in seconds. + * Helper function for download_status_increment_failure() and + * download_status_reset(). */ +static const smartlist_t * find_dl_schedule_and_len(download_status_t *dls, int server) { switch (dls->schedule) { @@ -3755,7 +3757,7 @@ time_t download_status_increment_failure(download_status_t *dls, int status_code, const char *item, int server, time_t now) { - smartlist_t *schedule; + const smartlist_t *schedule; int increment; tor_assert(dls); if (status_code != 503 || server) { @@ -3803,7 +3805,7 @@ download_status_increment_failure(download_status_t *dls, int status_code, void download_status_reset(download_status_t *dls) { - smartlist_t *schedule = find_dl_schedule_and_len( + const smartlist_t *schedule = find_dl_schedule_and_len( dls, get_options()->DirPort_set); dls->n_download_failures = 0;