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3450 Commits

Author SHA1 Message Date
Nick Mathewson
c7b9e0b8ed Report success when not terminating an already terminated process. 
Also, document the actual behavior and return values of
tor_terminate_process.

Fixes bug18686; bugfix on 0.2.3.9-alpha.
 2016-05-04 15:10:36 -04:00
Nick Mathewson
bff53aabce Remove redundant declarations of MIN 
Apparently somewhere along the line we decided that MIN might be
missing.

But we already defined it (if it was missing) in compat.h, which
everybody includes.

Closes ticket 18889.
 2016-04-25 15:28:58 -04:00
Nick Mathewson
26db1b65b9 Remove trunnel files from libor/libcrypto, since they are in libtrunnel. Found with modularity tool. 2016-04-20 13:39:07 -04:00
Nick Mathewson
520799f084 Merge branch 'handles_squashed' 2016-04-19 14:08:05 -04:00
Nick Mathewson
e015f7c9cc Basic 'handle' implementation and tests. 
This abstraction covers the case where one part of the program needs
to refer to another object that is allowed to disappear.
 2016-04-19 14:07:43 -04:00
Nick Mathewson
94e3555187 Merge remote-tracking branch 'public/lcov_excl' 2016-04-19 14:05:51 -04:00
Nick Mathewson
12e26a6e76 Disambiguate: Avoid defining two static functions called chunk_free_unchecked 2016-04-15 12:20:14 -04:00
Nick Mathewson
381dae43b6 Add branch prediction to util_bug.h, and fix a bug. 2016-04-15 09:12:03 -04:00
Nick Mathewson
05499b6ded Add timeouts to libor-event.a 2016-04-15 09:03:22 -04:00
Nick Mathewson
0e354ad459 Merge branch 'assert_nonfatal_squashed' 2016-04-14 16:25:21 -04:00
Nick Mathewson
a86ed1d717 Add an IF_BUG_ONCE macro, since that's a pretty common pattern too. 2016-04-14 16:25:07 -04:00
Nick Mathewson
532820b11c Add a BUG macro for usage in if checks. 2016-04-14 16:25:06 -04:00
Nick Mathewson
a885271c08 Add new tor_assert_nonfatal*() macros. 
Unlike tor_assert(), these macros don't abort the process.  They're
good for checking conditions we want to warn about, but which don't
warrant a full crash.

This commit also changes the default implementation for
tor_fragile_assert() to tor_assert_nonfatal_unreached_once().

Closes ticket 18613.
 2016-04-14 16:24:28 -04:00
Nick Mathewson
0630f1982d Add LCOV_EXCL* markers to crypto.c and crypto_s2k.c 
This marks some lines as unreachable by the unit tests, and as
therefore excluded from test coverage.

(Note: This convention is only for lines that are absolutely
unreachable.  Don't use it anywhere you wouldn't add a
tor_fragile_assert().)
 2016-04-12 21:13:33 -04:00
Nick Mathewson
eafcd7b0fc Merge branch 'maint-0.2.8' 2016-04-12 13:02:37 -04:00
Nick Mathewson
7babf33239 Merge remote-tracking branch 'public/bug18716_027' into maint-0.2.8 2016-04-12 13:02:02 -04:00
Nick Mathewson
39c057d45a memarea: Don't assume that sizeof(ulong) >= sizeof(void*). 
Fixes bug 18716; bugfix on 0.2.1.1-alpha where memarea.c was
introduced.  Found by wbenny.
 2016-04-07 11:10:14 -04:00
Nick Mathewson
b46d126e64 Merge branch 'maint-0.2.8' 2016-04-05 10:38:53 -04:00
Nick Mathewson
967491f156 Only define NEW_THREAD_API when not building with LibreSSL. 2016-04-05 10:38:15 -04:00
Nick Mathewson
16f7851807 Merge remote-tracking branch 'teor/bug18720' 2016-04-05 10:08:11 -04:00
Nick Mathewson
6720628c97 Merge branch 'maint-0.2.8' 2016-04-05 10:06:18 -04:00
Yawning Angel
5db21f8f81 OpenSSL 1.1.0-pre5-dev and later made BIO opaque. 
Detect newer versions and fix our TLS code to use the new API.
 2016-04-05 10:03:24 -04:00
Yawning Angel
6729d7328c OpenSSL 1.1.0-pre4 and later(?) have a new "thread API". 
It appears that setting the various callbacks is no longer required, so
don't.
 2016-04-05 10:03:24 -04:00
teor (Tim Wilson-Brown)
6a2b4db4f9 Fix a comment typo in compat.h 2016-04-05 13:45:37 +10:00
Nick Mathewson
7865402106 Move tor_assert implementation into its own header/module. 2016-04-04 11:06:04 -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
Nick Mathewson
4895d8288c Do not treat "DOCDOC" as doxygen. 2016-03-26 10:11:45 -04:00
Nick Mathewson
cc90b57b04 add a little documentation to memarea. (I have been testing a tool.) 2016-03-26 10:09:19 -04:00
Nick Mathewson
c0568a89d9 Whitespace fixes 2016-03-26 09:54:31 -04:00
Nick Mathewson
dd572dac34 Fix all doxygen warnings (other than missing docs) 2016-03-26 09:53:12 -04:00
Nick Mathewson
4bb44f2c15 Only check in-boundsness of seconds when time_t is smaller than i64 
Otherwise coverity complains that we're checking an whether an int64 is
less than INT64_MIN, which of course it isn't.

Fixes CID 1357176. Not in any released Tor.
 2016-03-25 16:46:02 -04:00
Nick Mathewson
6256c61d95 Merge branch 'timegm_overflow_squashed' 2016-03-24 10:18:00 -04:00
teor (Tim Wilson-Brown)
e71e8e005a Avoid overflow in tor_timegm on 32 bit platforms due to year 2038 2016-03-24 10:17:48 -04:00
Nick Mathewson
7123e9706e Repair build when no sandbox support is enabled. 2016-03-22 13:18:18 -04:00
Nick Mathewson
ca8423a703 Merge remote-tracking branch 'public/bug18253' 2016-03-22 10:08:50 -04:00
Nick Mathewson
a17537a238 Fix an fd leak in check_private_dir(). 
The fd would leak when the User wasn't recogniezed by
getpwnam(). Since we'd then go on to exit, this wasn't a terribad
leak, but it's still not as nice as no leak at all.

CID 1355640; bugfix on no released Tor.
 2016-03-22 08:29:51 -04:00
Nick Mathewson
b48f8a8114 Fix whitespace. 2016-03-15 09:21:29 -04:00
Nick Mathewson
c9899ee640 Merge remote-tracking branch 'weasel/bug18458' 2016-03-15 09:18:24 -04:00
Nick Mathewson
4b02af452d Merge branch 'bug15221_027' 2016-03-14 14:10:47 -04:00
Nick Mathewson
dd7c999617 Make unix sockets work with the linux seccomp2 sandbox again 
I didn't want to grant blanket permissions for chmod() and chown(),
so here's what I had to do:
   * Grant open() on all parent directories of a unix socket
   * Write code to allow chmod() and chown() on a given file only.
   * Grant chmod() and chown() on the unix socket.
 2016-03-14 14:07:02 -04:00
Nick Mathewson
725e0c76e3 Permit setrlimit, prlimit, prlimit64 calls. 
We call setrlimit under some circumstances, and it can call prlimit
and prlimit64 under the hood.

Fixes bug 15221.
 2016-03-14 13:21:16 -04:00
Nick Mathewson
36ad65a7d1 When using open() to make sure we created a dir, close the fd afterwards 
Found by coverity. Not in any released Tor. Fixes CID 1355640.

Also, don't check for fd correctness with assert(fd).  You need to
assert (fd >= 0).
 2016-03-14 13:03:44 -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
Peter Palfrader
1ef7df551d First RelaxDirModeCheck implementation 2016-03-01 17:08:14 +01:00
Nick Mathewson
9fc472e1a8 clean/extend some module docs, including fix from #18403 2016-02-28 17:57:47 +01:00
Nick Mathewson
57699de005 Update the copyright year. 2016-02-27 18:48:19 +01:00
Nick Mathewson
f4864d37ec It appears I added an empty file by mistake. 2016-02-27 18:25:51 +01:00
Nick Mathewson
23f8c9b32f Add a brief file-level description for everything in src/common 2016-02-27 18:19:57 +01:00
Nick Mathewson
d5cbc21ad1 Fix an unused-variable warning 2016-02-27 10:20:15 +01:00
Nick Mathewson
0a276947ba Merge branch 'bug18392' 2016-02-27 10:17:51 +01:00
Nick Mathewson
7255b1121d Fix check_private_dir() to work on Windows again. 
On windows, you cannot open() a directory.  So for Windows we should
just take our previous stat-based approach.

Closes bug 18392; bug not in any released Tor.
 2016-02-25 13:34:12 -05:00
Nick Mathewson
7a782820e9 Make the sandbox work again with chutney. 
Previously, we had a problem due to the check_private_dir() rewrite.

Bug not in any released Tor.
 2016-02-24 16:01:24 -05:00
Nick Mathewson
73c433a48a Remove the freelist from memarea.c 
This is in accordance with our usual policy against freelists,
now that working allocators are everywhere.

It should also make memarea.c's coverage higher.

I also doubt that this code ever helped performance.
 2016-02-24 14:32:09 -05:00
Nick Mathewson
a7f303a481 Merge branch 'maint-0.2.7' 2016-02-23 14:05:54 -05:00
Nick Mathewson
67e5d49d8a Make clang asan work with FORTIFIED_SOURCE again. 
Short version: clang asan hates the glibc strcmp macro in
bits/string2.h if you are passing it a constant string argument of
length two or less.  (I could be off by one here, but that's the
basic idea.)

Closes issue 14821.
 2016-02-23 14:05:34 -05:00
Nick Mathewson
48c1c028ca Merge branch 'bug18296_squashed' 2016-02-23 07:32:18 -05:00
Nick Mathewson
21f72990db Simple fix for integer overflow in smartlist_heapify. 2016-02-23 07:31:58 -05:00
Nick Mathewson
882e0fbd76 Merge branch 'bug17795' 2016-02-23 07:25:12 -05:00
Nick Mathewson
e202f3a1ca Fix an erroneous renaming 
Did you know that crypto_digest_all is a substring of
crypto_digest_alloc_bytes()?  Hence the mysterious emergence of
"crypto_common_digestsoc_bytes".

Next time I should use the \b assertion in my regexen.

Spotted by Mike.
 2016-02-23 07:22:53 -05:00
Andrea Shepard
cda2381789 Appease make check-spaces 2016-02-23 05:07:29 +00:00
cypherpunks
1e9950847c Define O_NOFOLLOW on platforms that do not have it 
Fixes #18339
 2016-02-22 15:28:24 -05:00
Nick Mathewson
5cd6c577df Merge branch 'bug17852_revised' 2016-02-16 11:34:06 -05:00
Jeremy
f48c607fd9 Harden check_private_dir() to remove any potential race. 
Remove any potential race between stat() and chmod().
Replace stat() with fstat().
Replace chmod() with fchmod()
 2016-02-16 11:21:46 -05:00
Jeremy
4e19133dcc src/common/util.c:expand_filename() - Perhaps use GetFullPathName() as a form of input validation on the filename argument. 2016-02-16 11:21:45 -05:00
Nick Mathewson
fed8c5199a Merge branch 'check_log_mutex_uncherrypicked' 2016-02-11 13:41:31 -05:00
Nick Mathewson
7788ee43e5 Merge branch 'maint-0.2.7' 2016-02-11 13:04:43 -05:00
Nick Mathewson
be6174f8f6 Merge branch 'maint-0.2.6' into maint-0.2.7 2016-02-11 13:01:46 -05:00
Nick Mathewson
740421af19 Merge branch 'maint-0.2.5' into maint-0.2.6 2016-02-11 13:00:25 -05:00
Nick Mathewson
ce289e2cb5 Merge branch 'maint-0.2.4' into maint-0.2.5 2016-02-11 12:55:40 -05:00
Nick Mathewson
c2fd648469 Make ensure_capacity a bit more pedantically correct 
Issues noted by cypherpunks on #18162
 2016-02-11 12:54:52 -05:00
Nick Mathewson
ba2be81fc3 Merge remote-tracking branch 'teor/feature17840-v11-merged-v2' 2016-02-11 12:20:20 -05:00
Nick Mathewson
69c47ab5fd Merge remote-tracking branch 'sebastian/bug18242' 2016-02-10 15:38:52 -05:00
Nick Mathewson
4dc8dc4b89 Merge remote-tracking branch 'public/bug18184' 2016-02-10 15:36:48 -05:00
Nick Mathewson
a8d6989589 Whitespace fixes 2016-02-10 15:35:46 -05:00
Nick Mathewson
9746aed2ba Another automated rename. 
Also simplify crypto_common_digests() to have no loop.
 2016-02-10 15:32:12 -05:00
Nick Mathewson
8a4bba06d2 Rename crypto_digest_all, and digests_t. 
They are no longer "all" digests, but only the "common" digests.

Part of 17795.

This is an automated patch I made with a couple of perl one-liners:

  perl -i -pe 's/crypto_digest_all/crypto_common_digests/g;' src/*/*.[ch]
  perl -i -pe 's/\bdigests_t\b/common_digests_t/g;' src/*/*.[ch]
 2016-02-10 15:28:19 -05:00
Nick Mathewson
2d879bd39f Document port_out argument to tor_addr_from_sockaddr 2016-02-06 15:34:47 -05:00
Nick Mathewson
0f5f6b8a41 Merge remote-tracking branch 'yawning/bug18221' 2016-02-06 15:30:22 -05:00
Nick Mathewson
31a27729b9 Fix spaces. 2016-02-06 14:00:24 -05:00
Nick Mathewson
03371e3d3c Merge branch 'cleaned_aes_crypt' 2016-02-06 13:54:09 -05:00
Malek
a9cd291753 Removed aes_crypt, left only aes_crypt_inplace. Removed should_use_openssl_CTR, was used for openssl 1.0.0 bug. 2016-02-06 13:38:11 -05:00
Hassan Alsibyani
edd93f9de8 changing output of crypto_cipher_crypt_inplace from int to void 2016-02-06 12:14:39 -05:00
teor (Tim Wilson-Brown)
add8acf428 Avoid calling log functions in logv when SMARTLIST_DEBUG is defined 2016-02-05 14:14:17 +11:00
teor (Tim Wilson-Brown)
db72b509d1 Check that the log mutex is initialised before trying to lock or unlock it 2016-02-05 14:08:58 +11:00
Nick Mathewson
af116081f9 Make the no-assertions-during-coverage check into a configure option 
Closes ticket 18242.

The rationale here is that I like having coverage on by default in my
own working directory, but I always want assertions turned on unless
I'm doing branch coverage specifically.
 2016-02-04 12:51:52 -05:00
Nick Mathewson
c595f6d25e Add an assertion to tor_libevent_get_base() 
Closes ticket 18241.
 2016-02-04 12:37:00 -05:00
Nick Mathewson
fa52b6f075 Make tortls unit tests pass with LibreSSL. 
Part of the fix for 17921.
 2016-02-03 11:31:57 -05:00
Nick Mathewson
27582325dc Make Tor build happily with OpenSSL master and libressl. 
Also tested with 1.0.0t and 1.0.2f.

Closes ticket 19784.

Closes most of 17921. (Still need to make some tests pass.)
 2016-02-03 11:13:12 -05:00
Yawning Angel
c625ab9f5a Validate the DH parameters for correctness. 
We use sensible parameters taken from common sources, and no longer
have dynamic DH groups as an option, but it feels prudent to have
OpenSSL validate p and g at initialization time.
 2016-02-02 22:03:48 +00:00
Nick Mathewson
5f7df92571 Remove support for unsigned time_t 
We've never actually tested this support, and we should probably assume
it's broken.

To the best of my knowledge, only OpenVMS has this, and even on
OpenVMS it's a compile-time option to disable it.  And I don't think
we build on openvms anyway.  (Everybody else seems to be working
around the 2038 problem by using a 64-bit time_t, which won't expire
for roughly 292 billion years.)

Closes ticket 18184.
 2016-01-29 09:18:59 -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
39b597c2fd Restrict the meaning of digests_t to sha1+sha256. 
This saves CPU and RAM when handling consensuses and x509 certs.

Closes ticket 17795; bug not in any released tor.
 2016-01-27 13:10:17 -05:00
Nick Mathewson
bca7083e82 avoid integer overflow in and around smartlist_ensure_capacity. 
This closes bug 18162; bugfix on a45b131590, which fixed a related
issue long ago.

In addition to the #18162 issues, this fixes a signed integer overflow
in smarltist_add_all(), which is probably not so great either.
 2016-01-27 12:32:41 -05:00
Nick Mathewson
39a86185c8 Correct further grammatical errors in tor comments 
Avoid using a pronoun where it makes comments unclear.
Avoid using gender for things that don't have it.
Avoid assigning gender to people unnecessarily.
 2016-01-27 08:51:28 -05:00
Nick Mathewson
f557a7f327 Merge branch 'maint-0.2.7' 2016-01-19 08:30:48 -05:00
Nick Mathewson
534a0ba59b Merge branch 'maint-0.2.6' into maint-0.2.7 2016-01-19 08:30:39 -05:00
Nick Mathewson
e2efa9e321 Refine the memwipe() arguments check for 18089 a little more. 
We still silently ignore
     memwipe(NULL, ch, 0);
and
     memwipe(ptr, ch, 0);  /* for ptr != NULL */

But we now assert on:
     memwipe(NULL, ch, 30);
 2016-01-19 08:28:58 -05:00
Nick Mathewson
ab58f60321 Merge branch 'maint-0.2.7' 2016-01-18 20:03:28 -05:00