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Author SHA1 Message Date
Helge Deller
8ea00c85cb Fix testcases regarding O_NONBLOCK on parisc/hppa architecture 
On the parisc/hppa architecture, the O_NONBLOCK constant can be either
000200000 or 000200004, depending on the Linux kernel and glibc version
on which the binary is running.
Background of this can be read in this upstream Linux kernel patch:
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=75ae04206a4d0e4f541c1d692b7febd1c0fdb814

The tor testcases fail because of this, because function
fd_is_nonblocking() checks hard against the O_NONBLOCK value, while it's
sufficient if it would only check if one of the bits is set.

Fix this trivial issue by just comparing if the returned file descriptor flag
and'ed with O_NONBLOCK is non-zero.

As reference, a failing build on parisc/hppa can be seen here:
https://buildd.debian.org/status/fetch.php?pkg=tor&arch=hppa&ver=0.4.4.6-1%2Bb1&stamp=1612225628&raw=0
 2021-02-02 12:20:13 +01:00
Nick Mathewson
a81581e6be Merge branch 'maint-0.4.5' 
"ours" to avoid version bump.
 2021-02-01 16:15:16 -05:00
Nick Mathewson
732bbff29c forward-port changelog from 0.4.5.5-rc 2021-02-01 16:15:03 -05:00
Nick Mathewson
40eeb63b5e bump to 0.4.5.5-rc-dev 2021-02-01 16:14:07 -05:00
David Goulet
6bde42b4de Merge branch 'maint-0.4.5' 2021-02-01 14:10:06 -05:00
David Goulet
ed373eaa8d Merge branch 'tor-gitlab/mr/289' into maint-0.4.5 2021-02-01 14:09:58 -05:00
David Goulet
387d1d8835 relay: Send back CONNECTION_REFUSED on reentry 
The TORPROTOCOL reason causes the client to close the circuit which is not
what we want because other valid streams might be on it.

Instead, CONNECTION_REFUSED will leave it open but will not allow more streams
to be attached to it. The client then open a new circuit to the destination.

Closes #40270

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-02-01 12:45:32 -05:00
David Goulet
627e7d6625 Remove unused addr_port_set code 
Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-02-01 12:28:29 -05:00
David Goulet
bd4a3f64a1 node: Move reentry set to use a digestmap_t 
Any lookup now will be certain and not probabilistic as the bloomfilter.

Closes #40269

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-02-01 12:22:23 -05:00
David Goulet
385fda038f Merge branch 'maint-0.4.5' 2021-02-01 09:24:38 -05:00
David Goulet
838e07be9d relay: Double the size of the relay reentry set 
This is to minimize false positive and thus deny reentry to Exit connections
that were in reality not re-entering. Helps with overall UX.

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-02-01 09:04:50 -05:00
David Goulet
2c3c30e58f relay: Follow consensus parameter for network reentry 
Obey the "allow-network-reentry" consensus parameters in order to decide to
allow it or not at the Exit.

Closes #40268

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-02-01 08:56:27 -05:00
Nick Mathewson
1eec42dee4 Remove changes files merged in 0455-rc 2021-01-29 17:11:13 -05:00
David Goulet
b2434d30d2 Merge branch 'tor-gitlab/mr/285' into ticket2667_044_01 2021-01-29 14:54:21 -05:00
David Goulet
705fd37875 Merge branch 'tor-gitlab/mr/284' into ticket2667_043_01 2021-01-29 14:51:38 -05:00
David Goulet
ec9575944a Merge branch 'maint-0.4.5' 2021-01-29 14:40:56 -05:00
George Kadianakis
46efbcb116 test: Add test for exits blocking reentry to the network 
Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:28:56 -05:00
Roger Dingledine
632688c797 exit: Deny re-entry into the network 
Exit relays now reject exit attempts to known relay addresses + ORPort and
also to authorities on the ORPort and DirPort.

Closes #2667

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:28:54 -05:00
David Goulet
8dda7bfdb8 relay: Add bloomfiter of relay address + {OR|Dir}Port 
In order to deny re-entry in the network, we now keep a bloomfilter of relay
ORPort + address and authorities ORPort + address and DirPort + address
combinations.

So when an Exit stream is handled, we deny anything connecting back into the
network on the ORPorts for relays and on the ORPort+DirPort for the
authorities.

Related to #2667

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:28:51 -05:00
George Kadianakis
9eba65bd8b test: Add test for exits blocking reentry to the network 
Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:19:17 -05:00
Roger Dingledine
93ac6ec4d3 exit: Deny re-entry into the network 
Exit relays now reject exit attempts to known relay addresses + ORPort and
also to authorities on the ORPort and DirPort.

Closes #2667

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:19:17 -05:00
David Goulet
f26950fa7a relay: Add bloomfiter of relay address + {OR|Dir}Port 
In order to deny re-entry in the network, we now keep a bloomfilter of relay
ORPort + address and authorities ORPort + address and DirPort + address
combinations.

So when an Exit stream is handled, we deny anything connecting back into the
network on the ORPorts for relays and on the ORPort+DirPort for the
authorities.

Related to #2667

Signed-off-by: David Goulet <dgoulet@torproject.org>
 2021-01-29 14:19:17 -05:00
David Goulet
ea38016202 Merge branch 'maint-0.4.3' into maint-0.4.4 2021-01-28 12:46:31 -05:00
David Goulet
79cb47cfc2 Merge branch 'maint-0.3.5' into maint-0.4.3 2021-01-28 12:46:31 -05:00
David Goulet
e50469299b Merge branch 'maint-0.4.5' 2021-01-28 12:46:31 -05:00
David Goulet
0ec507171d Merge branch 'maint-0.4.4' into maint-0.4.5 2021-01-28 12:46:31 -05:00
David Goulet
9556276f07 Merge branch 'tor-gitlab/mr/50' into maint-0.3.5 2021-01-28 12:46:24 -05:00
David Goulet
efba228823 Merge branch 'maint-0.4.5' 2021-01-28 12:42:32 -05:00
David Goulet
545fee6e4f Merge branch 'maint-0.4.4' into maint-0.4.5 2021-01-28 12:42:32 -05:00
David Goulet
be81ecba3a Merge branch 'maint-0.4.3' into maint-0.4.4 2021-01-28 12:42:31 -05:00
David Goulet
f058db1f3d Merge branch 'maint-0.3.5' into maint-0.4.3 2021-01-28 12:42:31 -05:00
David Goulet
290007e3c4 Merge branch 'tor-gitlab/mr/239' into maint-0.3.5 2021-01-28 12:42:26 -05:00
David Goulet
8549b66ba6 Merge branch 'maint-0.4.5' 2021-01-28 12:36:43 -05:00
David Goulet
50ac9f9229 Merge branch 'maint-0.4.4' into maint-0.4.5 2021-01-28 12:36:42 -05:00
David Goulet
a3f2bc8f13 Merge branch 'maint-0.4.3' into maint-0.4.4 2021-01-28 12:36:42 -05:00
David Goulet
f3da5f88d7 Merge branch 'maint-0.3.5' into maint-0.4.3 2021-01-28 12:36:42 -05:00
David Goulet
02bd135cb1 Merge branch 'tor-gitlab/mr/243' into maint-0.3.5 2021-01-28 12:36:35 -05:00
David Goulet
8cd696ca04 Merge branch 'maint-0.4.5' 2021-01-28 12:14:10 -05:00
David Goulet
c652740515 Merge branch 'maint-0.4.4' into maint-0.4.5 2021-01-28 12:14:10 -05:00
David Goulet
2c4a2a93d3 Merge branch 'maint-0.4.3' into maint-0.4.4 2021-01-28 12:14:10 -05:00
David Goulet
dd5fbc1bd9 Merge branch 'maint-0.3.5' into maint-0.4.3 2021-01-28 12:14:10 -05:00
David Goulet
1887231afb Merge branch 'tor-gitlab/mr/256' into maint-0.4.4 2021-01-28 12:12:01 -05:00
David Goulet
5c89197c9f Merge branch 'tor-gitlab/mr/255' into maint-0.4.3 2021-01-28 12:11:33 -05:00
David Goulet
1bdccc03a9 Merge branch 'tor-gitlab/mr/254' into maint-0.3.5 2021-01-28 12:10:39 -05:00
David Goulet
ba82b685a5 Merge branch 'maint-0.4.5' 2021-01-28 12:08:21 -05:00
David Goulet
09901aeb07 Merge branch 'maint-0.4.4' into maint-0.4.5 2021-01-28 12:08:21 -05:00
David Goulet
ed0fcfd2b8 Merge branch 'maint-0.4.3' into maint-0.4.4 2021-01-28 12:08:21 -05:00
David Goulet
6186288eb6 Merge branch 'maint-0.3.5' into maint-0.4.3 2021-01-28 12:08:20 -05:00
David Goulet
045db909c2 Merge remote-tracking branch 'tor-gitlab/mr/140' into maint-0.3.5 2021-01-28 12:08:14 -05:00
David Goulet
f715b5c0d8 Merge branch 'maint-0.4.5' 2021-01-28 12:04:42 -05:00