Commit Graph

209 Commits

Author SHA1 Message Date
Nick Mathewson
3c8a481599 Merge branch 'bug18105' 2018-02-15 20:17:31 -05:00
Nick Mathewson
ef164346d4 Merge remote-tracking branch 'dgoulet/ticket24902_029_05' 2018-02-13 08:47:06 -05:00
Nick Mathewson
1555946e20 Have tor_addr hashes return a randomized hash for AF_UNSPEC.
We don't expect this to come up very much, but we may as well make
sure that the value isn't predictable (as we do for the other
addresses) in case the issue ever comes up.

Spotted by teor.
2018-02-12 11:14:36 -05:00
Nick Mathewson
abdf2a6f7f Merge remote-tracking branch 'dgoulet/ticket24902_029_05' 2018-02-09 12:08:12 -05:00
Nick Mathewson
46bd2aed91 Add an address-set backend using a bloom filter.
We're going to need this to make our anti-DoS code (see 24902) more
robust.
2018-02-08 14:38:11 -05:00
Deepesh Pathak
ca6682f3f8 Fix spelling mistakes corresponding to ticket #23650 2018-02-07 10:41:57 -05:00
Nick Mathewson
6ed384b827 Use tor_addr_from_getsockname() in several places
I'm leaving the getsockname code in transproxy alone, since it is
comparatively isolated, rather platform-specific, and hard to test.

Implements 18105.
2018-01-26 12:08:15 -05:00
Nick Mathewson
f71bbd20a4 Extract the raw_free() of ifc_buf into a new function.
Explain the problem more correctly.
2018-01-10 12:57:13 -05:00
teor
54899b404c Stop invoking undefined behaviour by using tor_free() on an unaligned pointer
... in get_interface_addresses_ioctl().

This pointer alignment issue exists on x86_64 macOS, but is unlikely to exist
elsewhere. (i386 macOS only requires 4-byte alignment, and other OSs have
8-byte ints.)

Fixes bug 24733; not in any released version of tor.
2018-01-10 12:57:13 -05:00
Nick Mathewson
c92ac9f5cb Convert the rest of src/common's headers to use FREE_AND_NULL 2017-12-08 14:47:19 -05:00
Nick Mathewson
a64d79ca4c Move around some LCOV_EXCLs in src/common
Apparently, my compiler now generates coverage markers for
label-only lines, so we need to exclude those too if they are meant
to be unreachable.
2017-09-28 09:25:17 -04:00
Nick Mathewson
c1deabd3b0 Run our #else/#endif annotator on our source code. 2017-09-15 16:24:44 -04:00
Nick Mathewson
6fcaf83c98 Cleanup MOCK_IMPL (etc) to be findable with etags
A fair number of our mock_impl declarations were messed up so that
even our special AM_ETAGSFLAGS couldn't find them.

This should be a whitespace-only patch.
2017-05-26 14:07:06 -04:00
teor
af98b862a5
Fix comments of functions that return tor_snprintf
No code changes needed: in the places where we actually check the
return value of these functions, we handle it correctly.
2017-05-23 18:44:45 +10:00
Nick Mathewson
43db91bd87 Teach cov-exclude to detect runaway LCOV_EXCL_START lines
Also, fix two instances of runaway LCOV_EXCL_START lines.
2017-04-25 10:59:19 -04:00
Nick Mathewson
7505f452c8 Run the copyright update script. 2017-03-15 16:13:17 -04:00
Nick Mathewson
f23ec14d62 Make tor_addr_lookup() mockable. 2017-01-03 10:11:15 -05:00
Nick Mathewson
fda7f00321 Note memset as redundant; see 20764. 2016-12-23 09:59:41 -05:00
Nick Mathewson
2cee38f76a Merge branch 'prop271_030_v1_squashed' 2016-12-16 11:20:59 -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
J. Ryan Stinnett
7ffa95abd9 Clarify that ClientRejectInternalAddresses also rejects mDNS *.local hosts
Fixes #17070.
2016-12-03 21:10:40 -06:00
Nick Mathewson
2e7e635c59 Switch from "AF_UNIX is always equal" to "always unequal" to avoid wacky bugs. See discussion on 20261 2016-10-11 11:11:21 -04:00
Nick Mathewson
d25fed5174 Merge remote-tracking branch 'yawning-schwanenlied/bug20261' 2016-10-11 11:08:20 -04:00
Yawning Angel
7b2c856785 Bug 20261: Treat AF_UNIX addresses as equal when comparing them.
This is a kludge to deal with the fact that `tor_addr_t` doesn't contain
`sun_path`.  This currently ONLY happens when circuit isolation is being
checked, for an isolation mode that is force disabled anyway, so the
kludge is "ugly but adequate", but realistically, making `tor_addr_t`
and the AF_UNIX SocksPort code do the right thing is probably the better
option.
2016-10-10 20:57:45 +00:00
cypherpunks
3b2f012e28 Avoid reordering IPv6 interface addresses
When deleting unsuitable addresses in get_interface_address6_list(), to
avoid reordering IPv6 interface addresses and keep the order returned by
the OS, use SMARTLIST_DEL_CURRENT_KEEPORDER() instead of
SMARTLIST_DEL_CURRENT().

This issue was reported by René Mayrhofer.

[Closes ticket 20163; changes file written by teor. This paragraph
added by nickm]
2016-10-03 13:50:27 -04:00
Nick Mathewson
64521a9d35 Merge remote-tracking branch 'public/solaris_warnings_028' 2016-09-11 16:52:24 -04:00
Nick Mathewson
94bff894f9 Fix a large pile of solaris warnings for bug 19767.
In nearly all cases, this is a matter of making sure that we include
orconfig.h before we include any standard c headers.
2016-07-28 10:47:46 -04:00
Nick Mathewson
7b54d7ebbd Mark src/common tor_assert(0)/tor_fragile_assert() unreached for coverage
I audited this to make sure I was only marking ones that really
should be unreachable.
2016-06-15 17:28:26 -04:00
Nick Mathewson
d6b2af7a3a Merge branch 'bug19180_easy_squashed' 2016-06-11 10:15:40 -04:00
Nick Mathewson
4f8086fb20 Enable -Wnull-dereference (GCC >=6.1), and fix the easy cases
This warning, IIUC, means that the compiler doesn't like it when it
sees a NULL check _after_ we've already dereferenced the
variable. In such cases, it considers itself free to eliminate the
NULL check.

There are a couple of tricky cases:

One was the case related to the fact that tor_addr_to_in6() can
return NULL if it gets a non-AF_INET6 address.  The fix was to
create a variant which asserts on the address type, and never
returns NULL.
2016-06-11 10:10:29 -04:00
Nick Mathewson
4f1a04ff9c Replace nearly all XXX0vv comments with smarter ones
So, back long ago, XXX012 meant, "before Tor 0.1.2 is released, we
had better revisit this comment and fix it!"

But we have a huge pile of such comments accumulated for a large
number of released versions!  Not cool.

So, here's what I tried to do:

  * 0.2.9 and 0.2.8 are retained, since those are not yet released.

  * XXX+ or XXX++ or XXX++++ or whatever means, "This one looks
    quite important!"

  * The others, after one-by-one examination, are downgraded to
    plain old XXX.  Which doesn't mean they aren't a problem -- just
    that they cannot possibly be a release-blocking problem.
2016-05-30 16:18:16 -04:00
Nick Mathewson
055a7a198a Rename tor_dup_addr to tor_addr_to_str_dup.
Patch from icanhasaccount; closes 18462.
2016-03-28 16:36:51 -04:00
teor (Tim Wilson-Brown)
9f98e6535a Correctly duplicate addresses in get_interface_address6_list 2016-03-04 18:42:27 +01:00
teor (Tim Wilson-Brown)
2627299ef0 Avoid freeing an uninitialised pointer in get_interface_addresses_ioctl 2016-03-04 18:41:49 +01:00
Nick Mathewson
57699de005 Update the copyright year. 2016-02-27 18:48:19 +01:00
Nick Mathewson
ba2be81fc3 Merge remote-tracking branch 'teor/feature17840-v11-merged-v2' 2016-02-11 12:20:20 -05:00
Nick Mathewson
2d879bd39f Document port_out argument to tor_addr_from_sockaddr 2016-02-06 15:34:47 -05:00
teor (Tim Wilson-Brown)
c4cb4706c9 Merge branch 'feature17840-v11-squashed' into feature17840-v11-merged
Conflicts:
	src/or/directory.c
	src/test/test_routerlist.c

Fix minor conflicts.
2016-01-29 07:37:06 +11:00
teor (Tim Wilson-Brown)
4460feaf28 Fix *_get_all_orports to use ipv6_orport
node_get_all_orports and router_get_all_orports incorrectly used or_port
with IPv6 addresses. They now use ipv6_orport.

Also refactor and remove duplicated code.
2016-01-29 07:13:56 +11:00
Nick Mathewson
d10ea49588 Merge remote-tracking branch 'rl1987/feature17950' 2016-01-11 08:54:51 -05:00
rl1987
fd26c1d994 Re-add the removed address family check. 2016-01-09 15:03:54 +01:00
Nick Mathewson
5b5abd8c03 Merge commit '110765f5564a588c5f019d32b5e6f66cc7806c41' 2016-01-08 15:08:28 -08:00
rl1987
110765f556 Use get_interface6_via_udp_socket_hack() properly in _list().
When _list() is called with AF_UNSPEC family and fails to enumerate
network interfaces using platform specific API, have it call
_hack() twice to find out IPv4 and/or IPv6 address of a machine Tor
instance is running on. This is correct way to handle this case
because _hack() can only be called with AF_INET and AF_INET6 and
does not support any other address family.
2016-01-06 14:47:35 +01:00
rl1987
680d0701e5 Tweak ioctl case. 2016-01-06 11:47:31 +01:00
rl1987
44497e9ebc Add family argument to get_interface_addresses_raw (and subfunctions). 2016-01-03 15:35:45 +01:00
teor (Tim Wilson-Brown)
1949908d13 Fix a typo in the comment for tor_addr_port_split 2016-01-03 17:34:41 +11:00
teor (Tim Wilson-Brown)
e54e71fb6b Limit IPv6 mask bits to 128 2015-12-16 08:51:34 +11:00
teor (Tim Wilson-Brown)
021958934f Consistently ignore multicast in internal reject private exit policies
Consistently ignore multicast addresses when automatically
generating reject private exit policies.

Closes ticket 17763. Bug fix on 10a6390deb,
not in any released version of Tor. Patch by "teor".
2015-12-07 14:46:19 +11:00
teor (Tim Wilson-Brown)
878b5738c2 Update comments in get_interface_addresses_ioctl
Comment-only change noting platforms that can return IPv6
addresses from SIOCGIFCONF (or SIOCGLIFCONF).
2015-11-18 23:30:25 +11:00
teor (Tim Wilson-Brown)
7fa102b487 Add checks and unit tests for get_interface_address* failure
Ensure that either a valid address is returned in address pointers,
or that the address data is zeroed on error.

Ensure that free_interface_address6_list handles NULL lists.

Add unit tests for get_interface_address* failure cases.

Fixes bug #17173.
Patch by fk/teor, not in any released version of tor.
2015-09-29 10:17:05 +02:00