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Tor has a feature to preserve unrecognized state file entries in
order to maintain forward compatibility. But this feature, along
with some unused code that we never actually removed, led to us
keeping items that were of no use to the user, other than at worst
to preserve ancient information about them.
This commit adds a feature to remove obsolete entries when we load
the file.
Closes ticket 40137.
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This patch adds support for exposing the environment variables
`TOR_PT_OUTBOUND_BIND_ADDRESS_V4` and `TOR_PT_OUTBOUND_BIND_ADDRESS_V6` to
Pluggable Transport proccesses. These two values will contain the IPv4
and IPv6 address that the user have specified in torrc that they wish
the PT to use for all outgoing IP packets.
It is important to note here that it is up to the indvidual Pluggable
Transport if they are willing to honor these values or ignore them
completely.
One can test this feature using the following dummy PT written in POSIX
shell script:
#!/bin/sh
echo "LOG SEVERITY=warning MESSAGE=\"Value for IPv4: ${TOR_PT_OUTBOUND_BIND_ADDRESS_V4}\""
echo "LOG SEVERITY=warning MESSAGE=\"Value for IPv6: ${TOR_PT_OUTBOUND_BIND_ADDRESS_V6}\""
while true ; do
sleep 1
done
with the following entries in your torrc:
OutboundBindAddressPT 203.0.113.4
OutboundBindAddress 203.0.113.5
OutboundBindAddressPT 2001:db8::4
OutboundBindAddress 2001:db8::5
See: https://bugs.torproject.org/5304
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This patch moves the logic for handling outbound addresses in torrc to
before we handle pluggable transports. Since we need access to the
values in OutboundBindAddress and friends for #5304 we have to parse
these values before we spawn any PT's.
This commit is code movement only.
See: https://bugs.torproject.org/5304
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This patch renames the enumeration value in `outbound_addr_t` from
`OUTBOUND_ADDR_EXIT_AND_OR` to `OUTBOUND_ADDR_ANY` since with the
arrival of `OUTBOUND_ADDR_PT` it no longer makes sense to call the
fallback value for "Exit and OR". Instead we rename it to "any".
See: https://bugs.torproject.org/5304
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This patch adds a new option to torrc: `OutboundBindAddressPT`. This
option works in the same way as `OutboundBindAddressOR` and
`OutboundBindAddressExit` in that it allows the user to specify which
outbound IP address the user wants the PT to make its connections from.
There is one difference though in that OutboundBindAddressPT will only
be a suggestion for the PT to use since Tor cannot enforce whether or
not the PT actually uses this option for anything.
See: https://bugs.torproject.org/5304
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This patch adds doxygen documentation strings for each of the values in
`outbound_addr_t`.
See: https://bugs.torproject.org/5304
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Fix bug where %including a pattern ending in */ would include
files and folders (instead of folders only) in versions of
glibc < 2.19.
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no actual changes
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Style:
- We end our types with _t.
- Use 'static' to declare functions that only exist in a single
module.
Correctness:
- Many tt_...() macros can invoke "goto done;" -- we need to make
sure that all the variables that could get freed are initialized
before any "goto done" is hit, or else we might free an
uninitialized variable.
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[This is a squashed patch for ticket 7193, based on taking a "git
diff" for the original branch, then applying it with "git apply
-3". I earlier attempted to squash the branch with "git rebase",
but there were too many conflicts. --nickm]
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Fixes #40135
Signed-off-by: David Goulet <dgoulet@torproject.org>
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The option `--enable-all-bugs-are-fatal` when used with
`--disable-module-relay` caused GCC to warn about functions that
it thought should be labeled noreturn.
I've tried a couple of approaches, but disabling the warning on
these functions seems to be the best approach.
Fixed #40129; bugfix on 0.4.4.1-alpha.
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We already fixed these in #40099 and #40125.
This patch fixes #40126. Bugfix on 0.2.8.1-alpha.
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The rend_cache/entry_free was missing the rend cache allocation increment
before freeing the object.
Without it, it had an underflow bug:
Sep 17 08:40:13.845 [warn] rend_cache_decrement_allocation(): Bug: Underflow
in rend_cache_decrement_allocation (on Tor 0.4.5.0-alpha-dev
7eef9ced61e72b1d)
Fixes #40125
Signed-off-by: David Goulet <dgoulet@torproject.org>
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Coverity's first complaint was that we didn't check the return
values from chmod. That's easily fixed.
Coverity's second complaint was that there were code paths where we pass
NULL to chmod. For example, if this line failed, we'd "goto done",
and then pass NULL to chmod.
tt_ptr_op(dirname, OP_NE, NULL);
Closes #40103. Bug not in any released Tor.
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Our code was using [01] as for the key type of signed->link certs,
which was incorrect. The value should be [03], to indicate that the
value as the SHA256 of an x.509 cert.
Fortunately, nothing cares about this value, so there shouldn't be
compatibility issues.
Fixes bug 40124; bugfix on 0.2.7.2-alpha.
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This is an automated commit, generated by this command:
./scripts/maint/rename_c_identifier.py \
tor_cert_create tor_cert_create_ed25519
It was generated with --no-verify, so it probably breaks some commit hooks.
The commiter should be sure to fix them up in a subsequent commit.
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