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d0fe199269
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13057 Commits

Author SHA1 Message Date
George Kadianakis
d0fe199269 prop224: Implement decoding of superencrypted HS descriptor. 
[Consider starting review from desc_decrypt_all() ]
 2017-03-13 15:55:20 +02:00
George Kadianakis
b2e37b87a7 prop224: Implement encoding of superencrypted HS descriptor. 
Also, relaxed the checks of encrypted_data_length_is_valid() since now
only one encrypted section has padding requirements and we don't
actually care to check that all the padding is there.

Consider starting code review from function encode_superencrypted_data().
 2017-03-13 15:55:20 +02:00
George Kadianakis
bb602f6197 prop224: Prepare for superencrypted HS descriptors. 
- Refactor our HS desc crypto funcs to be able to differentiate between
  the superencrypted layer and the encrypted layer so that different
  crypto constants and padding is used in each layer.

- Introduce some string constants.

- Add some comments.
 2017-03-13 15:49:14 +02:00
George Kadianakis
f8ac4bb9fd prop224: Rename desc->encrypted_blob to desc->superencrypted_blob 2017-02-24 16:37:24 +02:00
George Kadianakis
6d71eda263 prop224: Rename auth_required HS desc field to intro_auth_required. 
And remove "password" type from the list of intro auths.
 2017-02-24 16:37:24 +02:00
Nick Mathewson
efa5bbaba0 Merge branch 'maint-0.3.0' 2017-02-17 11:47:49 -05:00
Nick Mathewson
823fb68a14 Remove a redundant check in ..transition_affects_guards() 
scan-build found that we we checking UseEntryGuards twice.

Fixes bug 21492.
 2017-02-17 11:47:25 -05:00
Nick Mathewson
9b1d99018b Merge branch 'maint-0.3.0' 2017-02-17 11:33:04 -05:00
Nick Mathewson
5dbbd6bc39 Merge branch 'maint-0.2.9' into maint-0.3.0 2017-02-17 11:32:45 -05:00
Nick Mathewson
67cec7578c Check for micro < 0, rather than checking "minor" twice. 
Bug found with clang scan-build.  Fixes bug on f63e06d3dc.
Bug not present in any released Tor.
 2017-02-17 11:31:39 -05:00
Nick Mathewson
31be66ea5a Merge remote-tracking branch 'meejah/ticket-21329-onions-current' 2017-02-16 09:40:56 -05:00
David Goulet
3336f26e60 hs: Avoid a strlen(NULL) if descriptor is not found in cache 
Instead of returning 404 error code, this led to a NULL pointer being used and
thus a crash of tor.

Fixes #21471

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2017-02-15 10:27:41 -05:00
Nick Mathewson
d633c4757c Merge branch 'maint-0.2.9' 2017-02-15 08:19:51 -05:00
Nick Mathewson
fea93abecd whoops; make 21450 compile 2017-02-15 08:19:37 -05:00
Nick Mathewson
62f98ad485 Merge branch 'maint-0.2.9' 2017-02-15 07:58:15 -05:00
Nick Mathewson
cb6b3b7cad Limit version numbers to 0...INT32_MAX. 
Closes 21450; patch from teor.
 2017-02-15 07:57:34 -05:00
Nick Mathewson
76d79d597a Merge branch 'maint-0.2.9' 2017-02-15 07:48:42 -05:00
Nick Mathewson
5d88267bf4 Merge branch 'bug21278_extra_029' into maint-0.2.9 2017-02-15 07:48:30 -05:00
Nick Mathewson
ec6b5a098d Merge branch 'bug21278_redux_029_squashed' into maint-0.2.9 2017-02-15 07:48:18 -05:00
Nick Mathewson
eeb743588a Merge branch 'maint-0.2.8' into maint-0.2.9 2017-02-15 07:48:10 -05:00
Nick Mathewson
1ebdae6171 Merge branch 'maint-0.2.7' into maint-0.2.8 2017-02-15 07:47:28 -05:00
Nick Mathewson
ed806843dc Merge branch 'maint-0.2.6' into maint-0.2.7 2017-02-15 07:47:21 -05:00
Nick Mathewson
3781f24b80 Merge branch 'maint-0.2.5' into maint-0.2.6 2017-02-15 07:47:12 -05:00
Nick Mathewson
a452b71395 Merge branch 'maint-0.2.4' into maint-0.2.5 2017-02-15 07:47:04 -05:00
Roger Dingledine
3c4da8a130 give tor_version_parse_platform some function documentation 2017-02-15 07:46:34 -05:00
Nick Mathewson
02e05bd74d When examining descriptors as a dirserver, reject ones with bad versions 
This is an extra fix for bug 21278: it ensures that these
descriptors and platforms will never be listed in a legit consensus.
 2017-02-15 07:46:34 -05:00
Nick Mathewson
f63e06d3dc Extract the part of tor_version_as_new_as that extracts platform 
Also add a "strict" mode to reject negative inputs.
 2017-02-15 07:46:34 -05:00
Nick Mathewson
dec7dc3d82 Merge remote-tracking branch 'dgoulet/ticket20656_030_01' 2017-02-14 19:15:10 -05:00
Nick Mathewson
7e469c1002 Merge branch 'bug20894_029_v3' 2017-02-14 19:10:20 -05:00
Nick Mathewson
4c1ecd7583 fixup! Don't atoi off the end of a buffer chunk. 
Use STATIC.
 2017-02-14 16:45:18 -05:00
Nick Mathewson
c4f2faf301 Don't atoi off the end of a buffer chunk. 
Fixes bug 20894; bugfix on 0.2.0.16-alpha.

We already applied a workaround for this as 20834, so no need to
freak out (unless you didn't apply 20384 yet).
 2017-02-14 16:38:47 -05:00
Nick Mathewson
a0ef3cf088 Prevent int underflow in dirvote.c compare_vote_rs_. 
This should be "impossible" without making a SHA1 collision, but
let's not keep the assumption that SHA1 collisions are super-hard.

This prevents another case related to 21278.  There should be no
behavioral change unless -ftrapv is on.
 2017-02-14 16:31:23 -05:00
Nick Mathewson
1afc2ed956 Fix policies.c instance of the "if (r=(a-b)) return r" pattern 
I think this one probably can't underflow, since the input ranges
are small.  But let's not tempt fate.

This patch also replaces the "cmp" functions here with just "eq"
functions, since nothing actually checked for anything besides 0 and
nonzero.

Related to 21278.
 2017-02-14 16:31:11 -05:00
Nick Mathewson
194e31057f Avoid integer underflow in tor_version_compare. 
Fix for TROVE-2017-001 and bug 21278.

(Note: Instead of handling signed ints "correctly", we keep the old
behavior, except for the part where we would crash with -ftrapv.)
 2017-02-14 16:10:27 -05:00
David Goulet
3f005c0433 protover: Add new version for prop224 for HSIntro/HSDir 
Signed-off-by: David Goulet <dgoulet@torproject.org>
 2017-02-14 10:51:18 -05:00
Nick Mathewson
2670844b2b whoops, removed a semicolon :( 2017-02-09 10:59:48 -05:00
Nick Mathewson
f594bdb3ad One more prop271 XXX. 2017-02-09 10:52:47 -05:00
Nick Mathewson
14c2a1f403 Update some more XXXXprop271 comments to refer to actual tickets or to be up-to-date 2017-02-09 10:48:28 -05:00
Nick Mathewson
3919f4f529 Remove an XXXprop271 comment: turns out we didn't need a tristate 2017-02-09 10:30:20 -05:00
Nick Mathewson
d15273e9f5 Change "prop271" in XXXXs about guard Ed identity to refer to #20872. 2017-02-09 10:29:02 -05:00
Nick Mathewson
fe76741021 Remove a suggestion in an XXX271 comment; it is now 21424. 2017-02-09 10:25:32 -05:00
Nick Mathewson
41f880c396 Remove an XXXprop271 comment that has been replaced by #21423 2017-02-09 10:13:54 -05:00
Nick Mathewson
875e5ee3f7 Revise an XXXprop271 comment -- it has been superseded by #21422 2017-02-09 10:11:44 -05:00
Nick Mathewson
58208457a6 Remove an XXXprop271 comment -- it has been replaced by #21421 2017-02-09 10:07:56 -05:00
Nick Mathewson
f263cf954a Remove a redundant XXX271 comment 2017-02-09 09:57:39 -05:00
Nick Mathewson
4bce2072ac Merge branch 'maint-0.2.6' into maint-0.2.7 2017-02-07 10:39:03 -05:00
Nick Mathewson
f2a30413a3 Merge branch 'maint-0.2.5' into maint-0.2.6 2017-02-07 10:37:53 -05:00
Nick Mathewson
2ce4330249 Merge remote-tracking branch 'public/bug18710_025' into maint-0.2.5 2017-02-07 10:37:43 -05:00
Nick Mathewson
c056d19323 Merge branch 'maint-0.2.4' into maint-0.2.5 2017-02-07 10:37:31 -05:00
Nick Mathewson
85a2487f97 Disable a log_backtrace (which 0.2.4 does not have) in 16248 fix 2017-02-07 09:49:23 -05:00