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17433 Commits

Author SHA1 Message Date
Nick Mathewson b1567cf500 Three more fuzzers: consensus, hsdesc, intro points 2017-01-30 08:37:24 -05:00
Nick Mathewson 83e9918107 Tools for working with directories of fuzzed stuff. 2017-01-30 08:37:24 -05:00
Nick Mathewson 301eff0e90 fuzzing: Add copyright notices and whitespace fixes 2017-01-30 08:37:24 -05:00
Nick Mathewson 4afb155db2 Add microdesc format fuzzer. 2017-01-30 08:37:24 -05:00
Nick Mathewson 3c74855934 Addition to test cases: make sure fuzzer binaries allow known cases 
This isn't fuzzing per se, so much as replaying the highlights of
past fuzzer runs.
 2017-01-30 08:37:24 -05:00
Nick Mathewson 81e44c2257 Add extrainfo fuzzer 2017-01-30 08:37:24 -05:00
Nick Mathewson 44fa14c0e2 Try to tweak fuzzing.md to correspond to my changes 2017-01-30 08:37:24 -05:00
teor 0fb1156e9f Add a script for running multiple fuzzing sessions on multiple cores 2017-01-30 08:37:23 -05:00
teor 416e2f6b28 Guide fuzzing by adding standard tor GET and POST testcases 2017-01-30 08:37:23 -05:00
Nick Mathewson 56b61d1831 Add more tweaks from teor's http fuzzing code. 
Move option-manipulation code to fuzzing_common.
 2017-01-30 08:37:23 -05:00
teor 584d723e04 Restrict fuzzing to the directory headers 2017-01-30 08:37:23 -05:00
Nick Mathewson 949e9827d6 Add a descriptor fuzzing dictionary. 2017-01-30 08:37:23 -05:00
Nick Mathewson ca657074b9 Fuzzing: initialize siphash key, don't init_logging twice. 2017-01-30 08:37:23 -05:00
Nick Mathewson 0666928c5c Replace signature-checking and digest-checking while fuzzing 2017-01-30 08:37:22 -05:00
Nick Mathewson e2aeaeb76c Make a bunch of signature/digest-checking functions mockable 2017-01-30 08:37:22 -05:00
Nick Mathewson 60769e710f Port fuzz_http to use fuzzing_common. 
Move common logic from fuzz_http to fuzzing_common.
 2016-12-19 15:34:56 -05:00
teor a967d568dc Add a fuzzer for the http used in our directory protocol 
(Teor wrote the code, nick extracted it.  It won't compile yet.)
 2016-12-19 15:34:56 -05:00
Nick Mathewson b96c70d668 Fuzzing: Add an initial fuzzing tool, for descriptors. 
This will need some refactoring and mocking.
 2016-12-19 15:34:55 -05:00
teor fca91a7793 for fuzzing: Add a function to make a buf with given contents 
(Teor wrote the code, nick extracted it into a smaller patch.)
 2016-12-19 15:02:08 -05:00
teor 02068c6391 For fuzzing: Expose directory_handle_command. 
(Nick extracted this patch from a larger patch by Teor.)
 2016-12-19 15:02:08 -05:00
Nick Mathewson 9bf89f80ce bump to 0.3.0.1-alpha-dev 2016-12-19 14:24:38 -05:00
Nick Mathewson 6a7cb21e13 Bump to 0.3.0.1-alpha 2016-12-19 13:14:24 -05:00
Nick Mathewson c468df3961 Don't warn about absent guard state when none expected. 
Self-testing circuits don't use guards, and nobody uses guards when
UseEntryGuards is disabled.

Fixes bug 21007; bug not in any released Tor.
 2016-12-19 12:24:30 -05:00
Nick Mathewson f9f1e3c94b Merge branch 'maint-0.2.9' 2016-12-19 08:03:17 -05:00
Nick Mathewson de65647461 Merge branch 'maint-0.2.8' into maint-0.2.9 2016-12-19 07:58:43 -05:00
Nick Mathewson c11de4c45f Merge branch 'bug21018_024' into maint-0.2.8 2016-12-19 07:58:21 -05:00
Nick Mathewson 2dc5226644 Merge branch 'maint-0.2.9' 2016-12-19 07:31:19 -05:00
Nick Mathewson 169a93fff2 Merge branch 'maint-0.2.8' into maint-0.2.9 2016-12-19 07:30:42 -05:00
Nick Mathewson e0306320b5 Merge remote-tracking branch 'teor/new-fallbacks-028-20161219' into maint-0.2.8 2016-12-19 07:27:39 -05:00
teor 4181e812c7 Update the fallback directory mirror list in December 2016 
Replace the 81 remaining fallbacks of the 100 originally introduced
in Tor 0.2.8.3-alpha in March 2016, with a list of 177 fallbacks
(123 new, 54 existing, 27 removed) generated in December 2016.

Resolves ticket 20170.
 2016-12-19 15:44:20 +11:00
Nick Mathewson 0fb3058ece Make log message warn about detected attempts to exploit 21018. 2016-12-18 20:17:28 -05:00
Nick Mathewson d978216dea Fix parsing bug with unecognized token at EOS 
In get_token(), we could read one byte past the end of the
region. This is only a big problem in the case where the region
itself is (a) potentially hostile, and (b) not explicitly
nul-terminated.

This patch fixes the underlying bug, and also makes sure that the
one remaining case of not-NUL-terminated potentially hostile data
gets NUL-terminated.

Fix for bug 21018, TROVE-2016-12-002, and CVE-2016-1254
 2016-12-18 20:17:24 -05:00
Nick Mathewson ae89d9745d Revert ticket 20982 changes. 
They broke stem, and breaking application compatibility is usually a
bad idea.

This reverts commit 6e10130e18,
commit 78a13df158, and
commit 62f52a888a.

We might re-apply this later, if all the downstream tools can handle
it, and it turns out to be useful for some reason.
 2016-12-18 10:04:36 -05:00
Roger Dingledine 51ee549a90 fix typos and trivial syntax problems 2016-12-18 04:06:02 -05:00
Roger Dingledine f3d056ab16 clarify debug-level log while initializing entropy 
I got confused when I saw my Tor saying it was opening a file
that doesn't exist. It turns out it isn't opening it, it's just
calling open() on it and then moving on when it's not there.
 2016-12-18 03:48:31 -05:00
Nick Mathewson ff08be56ac Fix another pointless stack-protector warning. 
This is the same as we fixed in 39f4554687.
 2016-12-16 14:06:25 -05:00
Nick Mathewson 762b799545 Rename 'remove' -> 'rmv' to avoid shadowing a libc global 2016-12-16 14:04:57 -05:00
Nick Mathewson 698ed75e1a Resolve some coverity complaints in test_entrynodes.c 2016-12-16 12:23:46 -05:00
Nick Mathewson 23c09b6bc2 Resolve a division-by-zero complaint from coverity. CID 1397272 2016-12-16 12:21:02 -05:00
Nick Mathewson 2a00110e5b Revert "Stop checking whether environ is declared." 
This reverts commit 954eeda619.

Apparently, OpenBSD is what expects you to declare environ
yourself.  So 19142 is a wontfix.
 2016-12-16 12:16:52 -05:00
Nick Mathewson 79a24750ba Fix broken entrynodes/retry_unreachable test 
I broke this with 20292ec497 when I
changed the primary guard retry schedule.
 2016-12-16 11:49:07 -05:00
Nick Mathewson c52c47ae6f Disable the legacy guard algorithm. Code isn't removed yet. 
(Keeping the code around in case I broke Tor in some unexpected
way.)
 2016-12-16 11:42:34 -05:00
Nick Mathewson 990a863d7c Merge branch 'ticket20831_v2' 2016-12-16 11:40:19 -05:00
Nick Mathewson 506bd6d47c Make NumDirectoryGuards work with the new guard algorithm. 
Now that we support NumEntryGuards, NumDirectoryGuards is pretty
easy to put back in.
 2016-12-16 11:34:31 -05:00
Nick Mathewson d9200d853d Make NumEntryGuards work as expected again. 
Further, add a "guard-n-primary-guards-to-use" parameter, defaulting
to 1, for NumEntryGuards to override.
 2016-12-16 11:34:31 -05:00
Nick Mathewson deb8bcadce 271: Algorithm tweak to allow multiple entry guards. 
Previously, we had NumEntryGuards kind of hardwired to 1.  Now we
have the code (but not the configuarability) to choose randomly from
among the first N primary guards that would work, where N defaults
to 1.

Part of 20831 support for making NumEntryGuards work again.
 2016-12-16 11:34:31 -05:00
Nick Mathewson 385602e982 Respect GuardLifetime in prop271 code. 
It overrides both the GUARD_LIFETIME and the
GUARD_CONFIRMED_MIN_LIFETIME options.
 2016-12-16 11:34:31 -05:00
Nick Mathewson 3902a18a69 Remove UseDirectoryGuards 
It is obsoleted in an always-on direction by prop271.
 2016-12-16 11:32:51 -05:00
Nick Mathewson 988b0afbd6 Merge branch 'ticket20826_v2' 2016-12-16 11:29:02 -05:00
Nick Mathewson e044b4f8ce Support restrictive ENTRYNODES configurations correctly. 
Since we already had a separate function for getting the universe of
possible guards, all we had to do was tweak it to handle very the
GS_TYPE_RESTRICTED case.
 2016-12-16 11:28:27 -05:00