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51 Commits

Author SHA1 Message Date
Nick Mathewson
6c3f555a8c Re-enable some disabled tests about switching guard_selections 2016-12-16 11:06:19 -05:00
Nick Mathewson
84bfa895d7 Change return value of entry_guard_succeeded to an enum. 
George pointed out that (-1,0,1) for (never usable, maybe usable
later, usable right now) was a pretty rotten convention that made
the code harder to read.
 2016-12-16 11:06:19 -05:00
Nick Mathewson
1d52ac4d3f Lay down some infrastructure for bridges in the New Guard Order. 
This includes:
  * making bridge_info_t exposed but opaque
  * allowing guards where we don't know an identity
  * making it possible to learn the identity of a guard
  * creating a guard that lacks a node_t
  * remembering a guard's address and port.
  * Looking up a guard by address and port.
  * Only enforcing the rule that we need a live consensus to update
    the "listed" status for guards when we are not using bridges.
 2016-12-16 11:06:18 -05:00
Nick Mathewson
89f5f149df Remove guard_selection argument from status-reporting functions 
This prevents us from mixing up multiple guard_selections
 2016-12-16 11:06:18 -05:00
Nick Mathewson
404e9e5611 Have multiple guard contexts we can switch between. 
Currently, this code doesn't actually have the contexts behave
differently, (except for the legacy context), but it does switch
back and forth between them nicely.
 2016-12-16 11:06:18 -05:00
Nick Mathewson
08d3ca2e56 More entry guard tests: for cancel, and for upgrade. 2016-12-16 11:06:17 -05:00
Nick Mathewson
fcb50f1839 Test for entry_guard_has_higher_priority(). 2016-12-16 11:06:17 -05:00
Nick Mathewson
c6d218c44b Unit tests for entry_guard_{pick_for_circuit,succeeded,failed} 2016-12-16 11:06:17 -05:00
Nick Mathewson
d2af9826fd Turn #defines for prop271 into networkstatus params 
Some of these will get torrc options to override them too; this
is just the mechanical conversion.

Also, add documentation for a couple of undocumented (but now used)
parameters.
 2016-12-16 11:06:17 -05:00
Nick Mathewson
9cad2628dd Test no-consensus case for filter. 2016-12-16 11:06:16 -05:00
Nick Mathewson
a7bc73935b Test get_guard_selection_by_name 2016-12-16 11:06:15 -05:00
Nick Mathewson
ac67819396 Make sure primary-guards are up-to-date when we inspect them. 
(Plus some magic to prevent and detect recursive invocation of
entry_guards_update_primary(), since that can cause some pretty
tricky misbehavior.)
 2016-12-16 11:06:15 -05:00
Nick Mathewson
858c8f5593 Make new prop271 entry guards persistent 
To do this, it makes sense to treat legacy guards as a separate
guard_selection_t *, and handle them separately.  This also means we
add support here for having multiple guard selections.

Note that we don't persist pathbias information yet; that will take
some refactoring.
 2016-11-30 14:44:43 -05:00
Nick Mathewson
8dc6048c02 Add an (as yet) unused UseDeprecatedGuardAlgorithm_ option. 
I expect we'll be ripping this out somewhere in 0.3.0, but let's
keep it around for a little while in case it turns out to be the
only way to avert disaster?
 2016-11-30 14:42:53 -05:00
Nick Mathewson
7bf946965b Implement most of the prop271 data structure backends. 
This code handles:
  * Maintaining the sampled set, the filtered set, and the
    usable_filtered set.
  * Maintaining the confirmed and primary guard lists.
  * Picking guards for circuits, and updating guard state when
    circuit state changes.

Additionally, I've done code structure movement: even more constants
and structures from entrynodes.c have become ENTRYNODES_PRIVATE
fields of entrynodes.h.

I've also included a bunch of documentation and a bunch of unit
tests.  Coverage on the new code is pretty high.

I've noted important things to resolve before this branch is done
with the /XXXX.*prop271/ regex.
 2016-11-30 14:42:52 -05:00
Nick Mathewson
dd6def5daf Initial code to parse/encode/sample prop271 guards 
The encoding code is very straightforward.  The decoding code is a
bit tricky, but clean-ish.  The sampling code is untested and
probably needs more work.
 2016-11-30 14:42:52 -05:00
Nick Mathewson
823357dbe4 Add an entry_guard_describe() function 
This function helpfully removes all but one remaining use of
an entry_guard_t private field in pathbias.c
 2016-11-30 14:42:52 -05:00
Nick Mathewson
be447bc770 Move path-bias fields into a separate structure 
(Other than the field movement, the code changes here are just
search-and-replace)
 2016-11-30 14:42:52 -05:00
Andrea Shepard
006c26f54f Abolish globals in entrynodes.c; relativize guard context to new guard_selection_t structure 2016-09-25 02:11:44 +00:00
Nick Mathewson
57699de005 Update the copyright year. 2016-02-27 18:48:19 +01:00
teor (Tim Wilson-Brown)
c213f277cd Make bridge clients prefer the configured bridge address 
When ClientPreferIPv6ORPort is auto, bridges prefer the configured
bridge ORPort address. Otherwise, they use the value of the option.
Other clients prefer IPv4 ORPorts if ClientPreferIPv6ORPort is auto.

When ClientPreferIPv6DirPort is auto, all clients prefer IPv4 DirPorts.
 2016-02-03 23:56:19 +11:00
teor (Tim Wilson-Brown)
77a9de0d48 Automatically use IPv6 when ClientUseIPv4 is 0 
Consequential changes to log messages:
  * it's no longer possible to disable both IPv4 and IPv6,
  * refactor common string out of remaining log messages
 2016-01-29 07:16:32 +11:00
teor (Tim Wilson-Brown)
3b8216f215 Use fascist firewall and ClientUseIPv4 for bridge clients 
Bridge clients ignore ClientUseIPv6, acting as if it is always 1.
This preserves existing behaviour.

Make ClientPreferIPv6OR/DirPort auto by default:
 * Bridge clients prefer IPv6 by default.
 * Other clients prefer IPv4 by default.
This preserves existing behaviour.
 2016-01-29 07:16:04 +11:00
teor (Tim Wilson-Brown)
268608c0a0 Choose OR Entry Guards using IPv4/IPv6 preferences 
Update unit tests.
 2016-01-29 07:13:57 +11:00
teor (Tim Wilson-Brown)
2d33d192fc Add ClientUseIPv4 and ClientPreferIPv6DirPort torrc options 
ClientUseIPv4 0 tells tor to avoid IPv4 client connections.
ClientPreferIPv6DirPort 1 tells tor to prefer IPv6 directory connections.

Refactor policy for IPv4/IPv6 preferences.

Fix a bug where node->ipv6_preferred could become stale if
ClientPreferIPv6ORPort was changed after the consensus was loaded.

Update documentation, existing code, add unit tests.
 2016-01-29 07:13:57 +11:00
Sebastian Hahn
e10e6f78b1 Update entrynodes unit test for dirs 
We no longer base our opinion on whether someone is a directory solely
on the routerstatus we might have for that relay, but also on a
routerinfo. Remove logic in test checking that. This broke unit tests in
05f7336624.

Reported by toralf on #tor-dev, thanks!
 2015-04-01 21:10:39 +02:00
Nick Mathewson
6cdb213b6c Combine test_helpers.[ch] and testhelper.[ch] 2015-02-18 09:19:38 -05:00
Nick Mathewson
96211bcf71 Merge branch 'bug9321_rerebase' 
Conflicts:
	src/or/dirvote.h
	src/test/include.am
	src/test/test_entrynodes.c
 2015-02-18 09:17:02 -05:00
George Kadianakis
c2b13e22e7 Unittest prep: Move get_yesterday_date_str() to helper file. 
We want to use this function in our guardfraction unittests, so make a
test_helpers module and move it there.
 2015-02-18 09:09:34 -05:00
Nick Mathewson
8375663adf Wrap two long lines 2015-02-17 08:30:28 -05:00
Nick Mathewson
caf28519d9 Merge branch 'bug12844' 
Conflicts:
	src/or/circuituse.c
	src/test/include.am
	src/test/test_entrynodes.c
 2015-02-11 15:06:04 -05:00
Nick Mathewson
f54e54b0b4 Bump copyright dates to 2015, in case someday this matters. 2015-01-02 14:27:39 -05:00
Nick Mathewson
4ac5175109 Fix wide lines (from 13172) 2014-11-12 13:42:01 -05:00
Nick Mathewson
a3dafd3f58 Replace operators used as macro arguments with OP_XX macros 
Part of fix for 13172
 2014-11-12 13:28:07 -05:00
Nick Mathewson
0243895792 Use coccinelle scripts to clean up our unit tests 
This should get rid of most of the users of the old test_*
functions.  Some are in macros and will need manual cleanup, though.

This patch is for 13119, and was automatically generated with these
scripts.  The perl scripts are there because coccinelle hates
operators as macro arguments.

------------------------------

s/==,/_X_EQ_,/g;
s/!=,/_X_NE_,/g;
s/<,/_X_LT_,/g;
s/>,/_X_GT_,/g;
s/>=,/_X_GEQ_,/g;
s/<=,/_X_LEQ_,/g;

------------------------------
@@
expression a;
identifier func;
@@
 func (...) {
<...
-test_fail_msg
+TT_DIE
 (
+(
 a
+)
 )
 ...>
 }

@@
identifier func;
@@
 func (...) {
<...
-test_fail()
+TT_DIE(("Assertion failed."))
 ...>
 }

@@
expression a;
identifier func;
@@
 func (...) {
<...
-test_assert
+tt_assert
	(a)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func (...) {
<...
-test_eq
+tt_int_op
 (a,
+_X_EQ_,
  b)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func (...) {
<...
-test_neq
+tt_int_op
 (a,
+_X_NEQ_,
  b)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func (...) {
<...
-test_streq
+tt_str_op
 (a,
+_X_EQ_,
  b)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func (...) {
<...
-test_strneq
+tt_str_op
 (a,
+_X_NEQ_,
  b)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func (...) {
<...
-test_eq_ptr
+tt_ptr_op
 (a,
+_X_EQ_,
  b)
 ...>
 }

@@
expression a, b;
identifier func;
@@
 func() {
<...
-test_neq_ptr
+tt_ptr_op
 (a,
+_X_NEQ_,
  b)
 ...>
 }

@@
expression a, b, len;
identifier func;
@@
 func (...) {
<...
-test_memeq
+tt_mem_op
 (a,
+_X_EQ_,
  b, len)
 ...>
 }

@@
expression a, b, len;
identifier func;
@@
 func (...) {
<...
-test_memneq
+tt_mem_op
 (a,
+_X_NEQ_,
  b, len)
 ...>
 }

------------------------------
@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a == b
+a, _X_EQ_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a == b
+a, _X_EQ_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a == b
+a, _X_EQ_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a == b
+a, _X_EQ_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a == b
+a, _X_EQ_, b
 )
 ...>
}

@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a != b
+a, _X_NEQ_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a != b
+a, _X_NEQ_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a != b
+a, _X_NEQ_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a != b
+a, _X_NEQ_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a != b
+a, _X_NEQ_, b
 )
 ...>
}

@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a >= b
+a, _X_GEQ_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a >= b
+a, _X_GEQ_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a >= b
+a, _X_GEQ_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a >= b
+a, _X_GEQ_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a >= b
+a, _X_GEQ_, b
 )
 ...>
}

@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a <= b
+a, _X_LEQ_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a <= b
+a, _X_LEQ_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a <= b
+a, _X_LEQ_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a <= b
+a, _X_LEQ_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a <= b
+a, _X_LEQ_, b
 )
 ...>
}

@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a > b
+a, _X_GT_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a > b
+a, _X_GT_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a > b
+a, _X_GT_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a > b
+a, _X_GT_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a > b
+a, _X_GT_, b
 )
 ...>
}

@@
char a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a < b
+a, _X_LT_, b
 )
 ...>
}

@@
int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a < b
+a, _X_LT_, b
 )
 ...>
}

@@
long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_int_op
 (
-a < b
+a, _X_LT_, b
 )
 ...>
}

@@
unsigned int a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a < b
+a, _X_LT_, b
 )
 ...>
}

@@
unsigned long a, b;
identifier func;
@@
 func (...) {
<...
-tt_assert
+tt_uint_op
 (
-a < b
+a, _X_LT_, b
 )
 ...>
}

------------------------------

s/_X_NEQ_/!=/g;
s/_X_NE_/!=/g;
s/_X_EQ_/==/g;
s/_X_GT_/>/g;
s/_X_LT_/</g;
s/_X_GEQ_/>=/g;
s/_X_LEQ_/<=/g;

s/test_mem_op\(/tt_mem_op\(/g;
 2014-09-15 21:18:21 -04:00
George Kadianakis
a72b92676e Fix up testhelper to be used by the entryguard unittests. 2014-09-15 16:07:48 +03:00
George Kadianakis
532ab7e13c Move some useful unittest functions to a testhelper.c file. 
This commit only moves code.
 2014-09-15 16:07:48 +03:00
Nick Mathewson
b6a725c67e Fix memory leaks in test_entrynodes.c 
[Coverity CID 1232087 and 1232088]
 2014-08-21 10:18:17 -04:00
Nick Mathewson
916fba2243 Merge branch 'bug12205_take2_squashed' 2014-08-20 15:32:48 -04:00
Nick Mathewson
2994f00199 Whitespace fixes 2014-08-20 15:32:35 -04:00
Nick Mathewson
a5fe84b5a6 Small cleanups to test_entry_is_time_to_retry 2014-08-20 15:31:25 -04:00
rl1987
8b539cc276 Unit testing entry_is_time_to_retry(). 2014-08-20 15:29:56 -04:00
George Kadianakis
d28670c94f Fix entrynodes test fails because of outdated test vectors. 2014-08-20 10:25:27 -04:00
Nick Mathewson
7259e3f604 Move test_descriptors.txt to an include file 
Making the text file work out-of-tree didn't work on windows.

Maybe we can get it working that way later.
 2014-07-16 22:37:00 +02:00
Nick Mathewson
facecce176 Fix tests when building out-of-tree 
(This was too hard. Silly autoconf.)
 2014-07-16 21:07:22 +02:00
Nick Mathewson
5690284559 Fix wide lines, make entry_is_live() non-inline 2014-07-16 16:52:16 +02:00
Nick Mathewson
368ff2291b Merge remote-tracking branch 'asn/bug12202' 2014-07-16 16:49:07 +02:00
George Kadianakis
b74442db94 Change interface of router_descriptor_is_too_old(). 2014-07-09 19:20:41 +03:00
George Kadianakis
8bbb217964 Change the interface of entry_is_live() to take a bitmap. 2014-06-25 15:44:36 -04:00
George Kadianakis
46d41e6e9b Basic entry_is_live() unittest. 2014-06-25 15:39:00 -04:00