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These names are analogous to the CONST_TO_*_CIRC() functions we have
for circuits.
Part of #40046.
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Preliminary work for #40046.
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Since we can list the real address and the canonical one in a
human-readable format we don't need to pick.
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This mode was only used in one place, and it caused a dangerous
mingling of functionality. The method is supposed to _describe_ the
peer's address, not give its actual address. We already had a
function to get the actual address.
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AP_CONN_STATE_CONTROLLER_WAIT state
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This commit modifies the behavior of `parse_extended_address` in such a way
that if it fails, it will always return a `BAD_HOSTNAME` value, which is then
used to return the 0xF6 extended error code. This way, in any case that is
not a valid v2 address, we return the 0xF6 error code, which is the expected
behavior.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Fixes bug 34131; bugfix on 0.4.3.1-alpha.
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Amazingly, this time we had no merge conflicts with "falls through" comments.
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GCC added an implicit-fallthrough warning a while back, where it
would complain if you had a nontrivial "case:" block that didn't end
with break, return, or something like that. Clang recently added
the same thing.
GCC, however, would let you annotate a fall-through as intended by
any of various magic "/* fall through */" comments. Clang, however,
only seems to like "__attribute__((fallthrough))". Fortunately, GCC
accepts that too.
A previous commit in this branch defined a FALLTHROUGH macro to do
the right thing if GNUC is defined; here we replace all of our "fall
through" comments with uses of that macro.
This is an automated commit, made with the following perl one-liner:
#!/usr/bin/perl -i -p
s#/\* *falls? ?thr.*?\*/#FALLTHROUGH;#i;
(In order to avoid conflicts, I'm applying this script separately to
each maint branch. This is the 0.4.3 version.)
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Part of 33817.
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This removes a dependency from the client code on feature/relay.
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This is an automated commit, generated by this command:
./scripts/maint/rename_c_identifier.py \
MIN_DNS_TTL_AT_EXIT MIN_DNS_TTL \
MAX_DNS_TTL_AT_EXIT MAX_DNS_TTL \
dns_clip_ttl clip_dns_ttl
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If ExtendedErrors is set for the SocksPort, an invalid .onion address now
returns the 0xF6 error code per prop304.
Closes #30022
Signed-off-by: David Goulet <dgoulet@torproject.org>
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In order to achieve this, the parse_extended_hostname() had to be refactored
to return either success or failure and setting the hostname type in the given
parameter.
The reason for that is so it can detect invalid onion addresses that is having
a ".onion", the right length but just not passing validation.
That way, we can send back the prop304 ExtendedError "X'F1' Onion Service
Descriptor Is Invalid" to notify the SOCKS connection of the invalid onion
address.
Part of #30382
Signed-off-by: David Goulet <dgoulet@torproject.org>
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This commit defines the new extended error codes. It also flags the socks
request object that it can use them.
Part of #30382
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Our code assumes that when we're configured to get IPv6 addresses
out of a TRANS_PF transparent proxy connection, we actually will.
But we didn't check that, and so FreeBSD started warning us about a
potential NULL pointer dereference.
Fixes part of bug 31687; bugfix on 0.2.3.4-alpha when this code was
added.
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Coverity doesn't understand that if begin_cell_parse() returns 0 and
sets is_begindir to 0, its address field will always be set.
Fixes bug 30126; bugfix on 0.2.4.7-alpha; Fixes CID 1447296.
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Previously, we would only close the stream when our deliver window was
negative at the circuit-level but _not_ at the stream-level when receiving a
DATA cell.
This commit adds an helper function connection_edge_end_close() which
sends an END and then mark the stream for close for a given reason.
That function is now used both in case the deliver window goes below zero for
both circuit and stream level.
Part of #26840
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Take apart the SENDME cell specific code and put it in sendme.{c|h}. This is
part of prop289 that implements authenticated SENDMEs.
Creating those new files allow for the already huge relay.c to not grow in LOC
and makes it easier to handle and test the SENDME cells in an isolated way.
This commit only moves code. No behavior change.
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Return an informative web page when the HTTPTunnelPort is used as an
HTTP proxy.
Closes ticket 27821, patch by "eighthave".
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Also, split the formatting code shared by control.c and
control_events.c into controller_fmt.c.
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Prior to this commit, the testsuite was failing on OpenBSD. After
this commit the testsuite runs fine on OpenBSD.
It was previously decided to test for the OpenBSD macro (rather than
__OpenBSD__, etc.) because OpenBSD forks seem to have the former
macro defined. sys/param.h must be included for the OpenBSD macro
definition; however, many files tested for the OpenBSD macro without
having this header included.
This commit includes sys/param.h in the files where the OpenBSD macro
is used (and sys/param.h is not already included), and it also
changes some instances of the __OpenBSD__ macro to OpenBSD.
See commit 27df23abb675ffeb198bf0c1cc85c4baed77a988 which changed
everything to use OpenBSD instead of __OpenBSD__ or OPENBSD. See
also tickets #6982 and #20980 (the latter ticket is where it was
decided to use the OpenBSD macro).
Signed-off-by: Kris Katterjohn <katterjohn@gmail.com>
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These event callbacks allow circuit padding to decide when to attempt to
launch and negotiate new padding machines, and when to tear old ones down.
Co-authored-by: George Kadianakis <desnacked@riseup.net>
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The transition for a connection to either become or go back in
AP_CONN_STATE_RENDDESC_WAIT state must make sure that the entry connection is
_not_ in the waiting for circuit list.
This commit implements the helper function
connection_ap_mark_as_waiting_for_renddesc() that removes the entry connection
from the pending list and then change its state. This code pattern is used in
many places in the code where next commit will remove this code duplication to
use this new helper function.
Part of #28669
Signed-off-by: David Goulet <dgoulet@torproject.org>
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The DormantClientTimeout option controls how long Tor will wait before
going dormant. It also provides a way to disable the feature by setting
DormantClientTimeout to e.g. "50 years".
The DormantTimeoutDisabledByIdleStreams option controls whether open but
inactive streams count as "client activity". To implement it, I had to
make it so that reading or writing on a client stream *always* counts as
activity.
Closes ticket 28429.
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