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2013-12-17Merge branch 'bug10423' into maint-0.2.4Nick Mathewson
2013-12-17Merge remote-tracking branch 'public/bug10409_023' into maint-0.2.4Nick Mathewson
2013-12-17Avoid double-free on failure to dump_descriptor() a cached mdNick Mathewson
This is a fix for 10423, which was introducd in caa0d15c in 0.2.4.13-alpha. Spotted by bobnomnom.
2013-12-16Avoid free()ing from an mmap on corrupted microdesc cacheNick Mathewson
The 'body' field of a microdesc_t holds a strdup()'d value if the microdesc's saved_location field is SAVED_IN_JOURNAL or SAVED_NOWHERE, and holds a pointer to the middle of an mmap if the microdesc is SAVED_IN_CACHE. But we weren't setting that field until a while after we parsed the microdescriptor, which left an interval where microdesc_free() would try to free() the middle of the mmap(). This patch also includes a regression test. This is a fix for #10409; bugfix on 0.2.2.6-alpha.
2013-09-03Fix bug 9645: don't forget an md just because we can't save it.Nick Mathewson
2013-06-13If we write the annotation but not the microdescriptor, rewind.Nick Mathewson
This fixes bug 9047 (and some parts of 9031, 8922, 8883 that weren't fixed in 8822). Bugfix on 0.2.2.6-alpha.
2013-06-12Make all consumers of microdesc_t.body tolerate NULLNick Mathewson
This is another fix to try to mitigate recurrences of 8031/8822.
2013-06-12Unmap the microdescriptor cache before replacing it.Nick Mathewson
This is a reprise of the fix in bdff7e3299d78; 6905c1f6 reintroduced that bug. Briefly: windows doesn't seem to like deleting a mapped file. I tried adding the PROT_SHARED_DELETE flag to the createfile all, but that didn't actually fix this issue. Fortunately, the unit test I added in 4f4fc63fea0589a4fa03f3859dc27860cdde75af should prevent us from making this particular screw-up again. This patch also tries to limit the crash potential of a failure to write by a little bit, although it could do a better job of retaining microdescriptor bodies. Fix for bug 8822, bugfix on 0.2.4.12-alpha.
2013-03-19Merge remote-tracking branch 'public/bug7164_diagnostic' into maint-0.2.4Nick Mathewson
2013-03-19Merge remote-tracking branch 'public/bug8031' into maint-0.2.4Nick Mathewson
2013-03-13Log fname:lineno in log messages for #7164Nick Mathewson
This should help us track down #7164 at last.
2013-03-11Another possible diagnostic for 8031.Nick Mathewson
This time, I'm checking whether our calculated offset matches our real offset, in each case, as we go along. I don't think this is the bug, but it can't hurt to check.
2013-03-11Check more error codes when writing microdescriptors.Nick Mathewson
Possible partial fix, or diagnosis tool, for bug 8031.
2013-03-11Use fds, not stdio, to manage microdescriptor filesNick Mathewson
This is part of an attempt to mitigate 8031.
2013-02-02use microdescriptors if *any* of our bridges can handle themRoger Dingledine
Now as we move into a future where most bridges can handle microdescs we will generally find ourselves using them, rather than holding back just because one of our bridges doesn't use them.
2013-01-16Update the copyright date to 201.Nick Mathewson
2013-01-03Merge branch 'ntor-resquashed'Nick Mathewson
Conflicts: src/or/cpuworker.c src/or/or.h src/test/bench.c
2013-01-02Wrangle curve25519 onion keys: generate, store, load, publish, republishNick Mathewson
Here we try to handle curve25519 onion keys from generating them, loading and storing them, publishing them in our descriptors, putting them in microdescriptors, and so on. This commit is untested and probably buggy like whoa
2012-12-13Nuke uses of memcmp outside of unit testsNick Mathewson
We want to be saying fast_mem{cmp,eq,neq} when we're doing a comparison that's allowed to exit early, or tor_mem{cmp,eq,neq} when we need a data-invariant timing. Direct use of memcmp tends to imply that we haven't thought about the issue.
2012-12-03fix some typosRoger Dingledine
2012-11-14Parse IPv6 policy summaries from router descriptors and microdescsNick Mathewson
2012-10-15Move the circuit build timeout code into its own file.Nick Mathewson
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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2012-09-03Don't log about reloading the microdescriptor cache at startupRoger Dingledine
Addresses bug 6759.
2012-09-03fix whitespace and trivial typoRoger Dingledine
2012-07-31Warn at parse time for routerstatus entry missing a microdesc consensusNick Mathewson
In 0.2.3.18-rc, we started warning on this case while building a list of missing microdescriptor digests. That turned out to spam the logs; instead let's warn at parse time. Partial fix for bug 6404.
2012-06-26Downgrade message about md cache cleaning from notice to infoNick Mathewson
Fix for #6238
2012-06-15Fix a typo found by Mike.Nick Mathewson
2012-06-15Change a silent ignore-the-bug in microdesc.c to a LOG_INFONick Mathewson
I don't believe this bug occurs, but there was an XXX023 to make sure it doesn't.
2012-06-15Triage the XXX023 and XXX022 comments: postpone many.Nick Mathewson
2012-06-04Update copyright dates to 2012; add a few missing copyright statementsNick Mathewson
2012-06-04Add about 60 more DOCDOC comments to 0.2.3Nick Mathewson
Also, try to resolve some doxygen issues. First, define a magic "This is doxygen!" macro so that we take the correct branch in various #if/#else/#endifs in order to get the right documentation. Second, add in a few grouping @{ and @} entries in order to get some variables and fields to get grouped together.
2012-05-24Abort writing cached-microdescs if a failed write has occurred.Nick Mathewson
Bug 2954; fix on 0.2.2.6-alpha.
2012-01-25Allow 0.2.3.x clients to use 0.2.2.x bridges.Roger Dingledine
Previously the client would ask the bridge for microdescriptors, which are only supported in 0.2.3.x and later, and then fail to bootstrap when it didn't get the answers it wanted. Fixes bug 4013; bugfix on 0.2.3.2-alpha. The fix here is to revert to using normal descriptors if any of our bridges are known to not support microdescs. This is not ideal, a) because we'll start downloading a microdesc consensus as soon as we get a bridge descriptor, and that will waste time if we later get a bridge descriptor that tells us we don't like microdescriptors; and b) by changing our mind we're leaking to our other bridges that we have an old-version bridge. The alternate fix would have been to change we_use_microdescriptors_for_circuits() to ask if *any* of our bridges can support microdescriptors, and then change the directory logic that picks a bridge to only select from those that do. For people living in the future, where 0.2.2.x is obsolete, there won't be a difference. Note that in either of these potential fixes, we have risk of oscillation if our one funny-looking bridges goes away / comes back.
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;
2011-09-28Add some debugging code to microdesc.[ch]Nick Mathewson
2011-09-28Fix a crash bug in tor_assert(md->held_by_node)Nick Mathewson
The fix is to turn held_by_node into a reference count. Fixes bug 4118; bugfix on 0.2.3.1-alpha.
2011-08-29Make FetchUselessDescriptors fetch all desc typesNick Mathewson
Previously, if you were set up to use microdescriptors, and you weren't a cache, you'd never fetch router descriptors (except for bridges). Now FetchUselessDescriptors causes descriptors and mirodescs to get cached. Also, FetchUselessDescriptors changes the behavior of "UseMicrodescriptors auto" to be off, since there's no point in saying "UseMicrodescriptors 1" when you have full descriptors too. Fix for bug 3851; bugfix on 0.2.3.1-alpha.
2011-08-15Oops; _actually_ enable microdesc-by-default for clientsNick Mathewson
It turns out that it wasn't enough to set the configuration to "auto", since the correct behavior for "auto" had been disabled in microdesc.c. :p (Hasn't been in a release yet, so doesn't need a changes entry.)
2011-07-07Merge remote-tracking branch 'public/bug3153'Nick Mathewson
Conflicts: src/or/nodelist.c
2011-06-14Make the get_options() return constNick Mathewson
This lets us make a lot of other stuff const, allows the compiler to generate (slightly) better code, and will make me get slightly fewer patches from folks who stick mutable stuff into or_options_t. const: because not every input is an output!
2011-05-12Merge remote-tracking branch 'public/bug3122_memcmp_023'Nick Mathewson
2011-05-12Merge remote-tracking branch 'origin/maint-0.2.2'Nick Mathewson
2011-05-12Unmap microdesc cache before replacing it.Nick Mathewson
If we do a replace-then-munmap, windows will never actually rewrite the microdesc cache. Found by wanoskarnet; bugfix on 0.2.2.6-alpha.
2011-05-12Track where microdescs are referenced to prevent free errsNick Mathewson
On IRC, wanoskarnet notes that if we ever do microdesc_free() on a microdesc that's in the nodelist, we're in trouble. Also, we're in trouble if we free one that's still in the microdesc_cache map. This code adds a flag to microdesc_t to note where the microdesc is referenced from, and checks those flags from microdesc_free(). I don't believe we have any errors here now, but if we introduce some later, let's log and recover from them rather than introducing heisenbugs later on. Addresses bug 3153.
2011-05-11Hand-tune the new tor_memcmp instances in 0.2.3Nick Mathewson
2011-05-11Reapply the automated memcmp conversion to 0.2.3 to catch newly added memcmpsNick Mathewson
2011-05-11Merge remote-tracking branch 'public/bug3122_memcmp_022' into bug3122_memcmp_023Nick Mathewson
Conflicts in various places, mainly node-related. Resolved them in favor of HEAD, with copying of tor_mem* operations from bug3122_memcmp_022. src/common/Makefile.am src/or/circuitlist.c src/or/connection_edge.c src/or/directory.c src/or/microdesc.c src/or/networkstatus.c src/or/router.c src/or/routerlist.c src/test/test_util.c
2011-05-11Hand-tune the new tor_memcmp instances in 0.2.2Nick Mathewson
2011-05-11Re-apply the automated conversion to 0.2.2 to make handle any memcmps that ↵Nick Mathewson
snuck in
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