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2167 Commits

Author SHA1 Message Date
Linus Nordberg
734fad4103 Make relays handle an address suggestion from a directory server giving an IPv6 address. 
last_guessed_ip becomes a tor_addr_t.

Most parts of router_new_address_suggestion() learns
about IPv6 (resolve_my_address() is still IPv4 only).
 2012-03-28 22:16:55 +02:00
Nick Mathewson
433d757846 Reject SOCKS requests for "localhost" or ".local" 
Sending them on is futile, since we will be told "127.0.0.1" and then
think we've been lied to.  Partial fix for 2822.
 2012-03-28 03:19:00 -04:00
Nick Mathewson
01905a6ef9 Excise PK_NO_PADDING entirely: Unpadded RSA is silly. 
We never use it, so having it around is pointless.

Suggested by Sebastian
 2012-03-27 22:38:06 -04:00
Nick Mathewson
55c3e29669 Use OpenSSL 1.0.1's EVP aes_ctr implementation when available 
This should be really fast on Intel chips.
 2012-03-27 22:38:06 -04:00
Nick Mathewson
de0dca0de7 Refactor the API for setting up a block cipher. 
It allows us more flexibility on the backend if the user needs to
specify the key and IV at setup time.
 2012-03-27 22:37:56 -04:00
Nick Mathewson
00b4784575 Remove support for PK_NO_PADDING in crypto_pk_public_hybrid_encrypt 
We never use it, and it would be a stupid thing if we started using it.
 2012-03-27 22:37:55 -04:00
Nick Mathewson
80b2756b53 Log statement to help track down bug4091 2012-03-27 18:28:39 -04:00
Nick Mathewson
650e2aac46 Merge commit 'a5704b1c624c9a808f52f3a125339f00e2b9a378' into maint-0.2.2 2012-03-26 13:59:49 -04:00
George Kadianakis
aae570b493 Close fds on pipe() error in tor_spawn_background(). 2012-03-12 12:41:29 -04:00
Sebastian Hahn
d916fc38b6 Stop using MAX_PATH, it might not be defined 
This broke compilation on Hurd
 2012-03-10 16:53:01 +01:00
Nick Mathewson
c13dc5170f Merge remote-tracking branch 'origin/maint-0.2.2' 2012-03-09 11:54:45 -05:00
Nick Mathewson
be0535f00b Correctly handle broken escape sequences in torrc values 
Previously, malformatted torrc values could crash us.

Patch by Esteban Manchado.  Fixes bug 5090; fix on 0.2.0.16-alpha.
 2012-03-09 11:50:22 -05:00
Esteban Manchado Velázquez
8a633a3ebd Small fix in tor_sscanf documentation 2012-03-08 20:49:23 -05:00
Esteban Manchado Velázquez
a753ef8517 Fix typo in config parser documentation 2012-03-08 20:49:17 -05:00
Nick Mathewson
5daa765bd1 Merge remote-tracking branch 'origin/maint-0.2.2' 2012-03-08 14:15:18 -05:00
Sebastian Hahn
fe50b676bc Fix compile warnings in openbsd malloc 2012-03-08 19:28:59 +01:00
Nick Mathewson
77a7a980d0 Don't leak the env_vars_sorted smartlist in process_environment_make 
Found by Coverity.

No changes/ file, because this bug has not been in a release yet.
 2012-02-29 19:49:26 -05:00
Nick Mathewson
a5704b1c62 Add a sha256 hmac function, with tests 
(cherry picked from commit fdbb9cdf74)
 2012-02-22 05:46:08 -08:00
Nick Mathewson
81fe3e438b Merge remote-tracking branch 'sebastian/bug5161' 2012-02-20 13:00:17 -05:00
Robert Ransom
cd029f0ca3 Fix crypto_hmac_sha256 documentation comment 2012-02-20 02:47:10 -08:00
Sebastian Hahn
bc66878bde Don't redeclare environ if std headers already did 
This would cause a redundant redeclaration warning on some versions of
Linux otherwise.
 2012-02-19 16:52:38 +01:00
Nick Mathewson
1d36693570 Use get_environment(), not environ. 2012-02-17 11:50:19 -05:00
Nick Mathewson
eaedcba493 Merge branch 'bug5105-v2-squashed' 
Conflicts:
	src/or/transports.c
 2012-02-17 11:50:10 -05:00
Robert Ransom
33552c16ca Heap-allocate strings returned by get_current_process_environment_variables 2012-02-17 11:42:21 -05:00
Robert Ransom
c0808b795f Pass process_environment_t * to tor_spawn_background 
Now tor_spawn_background's prototype is OS-independent.
 2012-02-17 11:42:20 -05:00
Robert Ransom
ee3a49d6ed Remove (void)envp from tor_spawn_background 
The envp argument is used on Windows.
 2012-02-17 11:42:20 -05:00
Robert Ransom
340d906419 Change type of unixoid_environment_block to match tor_spawn_background's arg 2012-02-17 11:42:20 -05:00
Robert Ransom
d37a1ec8c6 Add set_environment_variable_in_smartlist 2012-02-17 11:42:20 -05:00
Robert Ransom
0ba93e184a Add get_current_process_environment_variables 2012-02-17 11:42:19 -05:00
Robert Ransom
98cec14982 Add process_environment_make and related utilities 2012-02-17 11:42:19 -05:00
Robert Ransom
806e0f7e19 Add tor_calloc 2012-02-17 11:42:19 -05:00
Sebastian Hahn
efb7b9dec1 Use _NSGetEnviron() instead of environ where required 
OS X would otherwise crash with a segfault when linked statically to
some libraries.
 2012-02-14 11:18:39 -05:00
Nick Mathewson
077b9f19a4 If SOCK_CLOEXEC and friends fail, fall back to regular socket() calls 
Since 0.2.3.1-alpha, we've supported the Linux extensions to socket(),
open(), socketpair(), and accept() that enable us to create an fd and
make it close-on-exec with a single syscall.  This not only saves us a
syscall (big deal), but makes us less vulnerable to race conditions
where we open a socket and then exec before we can make it
close-on-exec.

But these extensions are not supported on all Linuxes: They were added
between 2.6.23 or so and 2.6.28 or so.  If you were to build your Tor
against a recent Linux's kernel headers, and then run it with a older
kernel, you would find yourselve unable to open sockets.  Ouch!

The solution here is that, when one of these syscalls fails with
EINVAL, we should try again in the portable way.  This adds an extra
syscall in the case where we built with new headers and are running
with old ones, but it will at least allow Tor to work.

Fixes bug 5112; bugfix on 0.2.3.1-alpha.
 2012-02-14 10:34:06 -05:00
Sebastian Hahn
efcdc930fb Make ht.h conform to Tor's code style again 
When porting over changes from libevent, a bunch of tabs and a couple of
long lines got introduced.
 2012-02-14 11:13:06 +01:00
Nick Mathewson
a31fb42d2e Port over the last ht.h changes from libevent: avoid _reserved identifiers 2012-02-13 18:40:30 -05:00
Nick Mathewson
107f604f31 Port over ht.h improvements from Libevent. 
There is a facility (not used now in Tor) to avoid storing the hash
of a given type if it is a fast-to-calculate hash.

There are also a few ancient-openbsd compilation issues fixed here.

The fact that Tor says INLINE while Libevent says inline remains
unaddressed.
 2012-02-13 18:06:40 -05:00
Nick Mathewson
1e9400d9c8 ht.h comment tweaks, upstreamed from libevent 2012-02-13 17:56:13 -05:00
Nick Mathewson
4aa0aa0300 Merge remote-tracking branch 'origin/maint-0.2.2' 
Conflicts:
	src/common/Makefile.am
	src/or/Makefile.am
 2012-02-12 23:27:31 -05:00
Sebastian Hahn
8ce6722d76 Properly protect paths to sed, sha1sum, openssl 
in Makefile.am, we used it without quoting it, causing build failure if
your openssl/sed/sha1sum happened to live in a directory with a space in
it (very common on windows)
 2012-02-10 20:12:03 +01:00
Nick Mathewson
8855b2a90c Merge remote-tracking branch 'origin/maint-0.2.2' 
Conflicts:
	src/common/tortls.c

Conflict on comment near use of the new OPENSSL_V macro
 2012-02-10 10:56:37 -05:00
Nick Mathewson
2da0efb547 Use correct CVE number for CVE-2011-4576. Found by fermenthor. bug 5066 2012-02-10 10:55:39 -05:00
Nick Mathewson
79a80c88ee Fix straggling MS_WINDOWS issues; add a changes file 
There was one MS_WINDOWS that remained because it wasn't on a macro
line; a few remaining uses (and the definition!) in configure.in;
and a now-nonsensical stanza of eventdns_tor.h that previously
defined 'WIN32' if it didn't exist.
 2012-01-31 15:48:47 -05:00
Nick Mathewson
5cf9167f91 Use the standard _WIN32, not the Torism MS_WINDOWS or deprecated WIN32 
This commit is completely mechanical; I used this perl script to make it:

 #!/usr/bin/perl -w -i.bak -p

 if (/^\s*\#/) {
     s/MS_WINDOWS/_WIN32/g;
     s/\bWIN32\b/_WIN32/g;
 }
 2012-01-31 15:48:47 -05:00
Nick Mathewson
48424772aa Actually enable the windows absolute-path code 
Checking for "WINDOWS" is wrong; our magic macro is MS_WINDOWS

Fixes bug 4973; bugfix on 0.2.3.11-alpha.
 2012-01-31 10:42:41 -05:00
Nick Mathewson
26e789fbfd Rename nonconformant identifiers. 
Fixes bug 4893.

These changes are pure mechanical, and were generated with this
perl script:

  /usr/bin/perl -w -i.bak -p

  s/crypto_pk_env_t/crypto_pk_t/g;
  s/crypto_dh_env_t/crypto_dh_t/g;
  s/crypto_cipher_env_t/crypto_cipher_t/g;
  s/crypto_digest_env_t/crypto_digest_t/g;

  s/aes_free_cipher/aes_cipher_free/g;
  s/crypto_free_cipher_env/crypto_cipher_free/g;
  s/crypto_free_digest_env/crypto_digest_free/g;
  s/crypto_free_pk_env/crypto_pk_free/g;

  s/_crypto_dh_env_get_dh/_crypto_dh_get_dh/g;
  s/_crypto_new_pk_env_rsa/_crypto_new_pk_from_rsa/g;
  s/_crypto_pk_env_get_evp_pkey/_crypto_pk_get_evp_pkey/g;
  s/_crypto_pk_env_get_rsa/_crypto_pk_get_rsa/g;

  s/crypto_new_cipher_env/crypto_cipher_new/g;
  s/crypto_new_digest_env/crypto_digest_new/g;
  s/crypto_new_digest256_env/crypto_digest256_new/g;
  s/crypto_new_pk_env/crypto_pk_new/g;

  s/crypto_create_crypto_env/crypto_cipher_new/g;

  s/connection_create_listener/connection_listener_new/g;
  s/smartlist_create/smartlist_new/g;
  s/transport_create/transport_new/g;
 2012-01-18 15:53:30 -05:00
Nick Mathewson
d1b40cf2e7 Merge remote-tracking branch 'public/bug4533_part1' 
Conflicts:
	src/common/compat.h
 2012-01-18 15:33:04 -05:00
Nick Mathewson
1772782e42 Merge remote-tracking branch 'origin/maint-0.2.2' 2012-01-18 15:29:41 -05:00
Nick Mathewson
dd4b1a2ac6 Fix SOCKET_OK test on win64. 
Bugfix on 0.2.2.29-beta; partial fix for 4533; found by wanoskarnet
 2012-01-18 10:48:29 -05:00
Nick Mathewson
dea0720dad Warn if sizeof(tor_socket_t) != sizeof(SOCKET) 2012-01-17 16:38:47 -05:00
Nick Mathewson
6e8c2a3e46 Use SOCKET_OK macros in even more places 
Add a TOR_INVALID_SOCKET macro to wrap -1/INVALID_SOCKET.

Partial work for bug4533.
 2012-01-17 16:35:07 -05:00
Nick Mathewson
9c29369a04 Convert instances of tor_malloc+tor_snprintf into tor_asprintf 
These were found by looking for tor_snprintf() instances that were
preceeded closely by tor_malloc(), though I probably converted some
more snprintfs as well.

(In every case, make sure that the length variable (if any) is
removed, renamed, or lowered, so that anything else that might have
assumed a longer buffer doesn't exist.)
 2012-01-16 15:03:44 -05:00
Nick Mathewson
9c6d913b9e Rename smartlist_{v,}asprintf_add to smartlist_add_{v,}asprintf 2012-01-16 15:01:54 -05:00
Nick Mathewson
411cf8f714 Make openssl 0.9.8l log message accurate 
fixes 4837
 2012-01-11 15:41:46 -05:00
Nick Mathewson
f729e1e984 Merge branch 'feature3457-v4-nm-squashed' 
Conflicts:
	src/or/rendclient.c
 2012-01-11 12:10:14 -05:00
Nick Mathewson
b5af456685 Use spaceless ISO8601 time format, not sec,usec. 2012-01-11 12:08:01 -05:00
Nick Mathewson
f371816209 Merge remote-tracking branch 'origin/maint-0.2.2' 2012-01-11 11:07:37 -05:00
Nick Mathewson
0126150c2d Merge remote-tracking branch 'origin/maint-0.2.1' into maint-0.2.2 2012-01-11 11:07:13 -05:00
Nick Mathewson
8d5c0e58ea Fix a compilation warning for our bug4822 fix on 64-bit linux 2012-01-11 11:06:31 -05:00
Nick Mathewson
5e9d349979 Merge remote-tracking branch 'public/bug4650_nm_squashed' 2012-01-10 17:59:49 -05:00
Nick Mathewson
73d4dbe103 whitespace and warning fixes for bug4746 2012-01-10 16:53:37 -05:00
Nick Mathewson
7fbf1e225e Merge remote-tracking branch 'asn-mytor/bug4746' 2012-01-10 16:44:03 -05:00
Nick Mathewson
dca3c9fff8 Add missing documentation for counter-mode checks 2012-01-10 11:15:46 -05:00
Nick Mathewson
cc5c14b732 Clean up indentation in aes.c 2012-01-10 11:15:42 -05:00
Nick Mathewson
d29a390733 Test for broken counter-mode at runtime 
To solve bug 4779, we want to avoid OpenSSL 1.0.0's counter mode.
But Fedora (and maybe others) lie about the actual OpenSSL version,
so we can't trust the header to tell us if it's safe.

Instead, let's do a run-time test to see whether it's safe, and if
not, use our built-in version.

fermenthor contributed a pretty essential fixup to this patch. Thanks!
 2012-01-10 11:15:35 -05:00
Nick Mathewson
5741aef3dc We no longer need to detect openssl without RAND_poll() 
We require openssl 0.9.7 or later, and RAND_poll() was first added in
openssl 0.9.6.
 2012-01-10 10:40:31 -05:00
Nick Mathewson
85c7d7659e Add macros to construct openssl version numbers 
It's a pain to convert 0x0090813f to and from 0.9.8s-release on the
fly, so these macros should help.
 2012-01-10 10:40:30 -05:00
Sebastian Hahn
2367f7e559 Make sure MAX_DNS_LABEL_SIZE is defined 
MAX_DNS_LABEL_SIZE was only defined for old versions of openssl, which
broke the build. Spotted by xiando. Fixes bug 4413; not in any released
version.
 2012-01-10 06:14:35 +01:00
Nick Mathewson
b1ee1a719d Tweaks for bug4413 fix 
The thing that's limited to 63 bytes is a "label", not a hostname.

Docment input constraints and behavior on bogus inputs.

Generally it's better to check for overflow-like conditions before
than after.  In this case, it's not a true overflow, so we're okay,
but let's be consistent.

pedantic less->fewer in the documentation
 2012-01-09 19:14:51 -05:00
Stephen Palmateer
3fadc074ca Remove (untriggerable) overflow in crypto_random_hostname() 
Fixes bug 4413; bugfix on xxxx.

Hostname components cannot be larger than 63 characters.
This simple check makes certain randlen cannot overflow rand_bytes_len.
 2012-01-09 19:05:05 -05:00
Nick Mathewson
1e5d66997b Merge remote-tracking branch 'origin/maint-0.2.2' 2012-01-09 16:40:42 -05:00
Nick Mathewson
c78a314e95 Fix comment about TLSv1_method() per comments by wanoskarnet 2012-01-09 16:40:21 -05:00
Roger Dingledine
ecdea4eeaf Merge branch 'maint-0.2.2' 2012-01-08 12:17:16 -05:00
Roger Dingledine
1416dd47a9 add a note from wanoskarnet 
he disagrees about what the code that we decided not to use would do
 2012-01-08 09:03:03 -05:00
Emile Snyder
d7eaa4b396 Change to use SSL_state_string_long() instead of homebrew ssl_state_to_string() function. 2012-01-06 05:31:34 -08:00
Nick Mathewson
ef69f2f2ab Merge remote-tracking branch 'origin/maint-0.2.2' 2012-01-05 14:17:44 -05:00
Nick Mathewson
ccd8289958 Merge remote-tracking branch 'origin/maint-0.2.1' into maint-0.2.2 2012-01-05 14:16:30 -05:00
Robert Ransom
4752b34879 Log at info level when disabling SSLv3 2012-01-05 12:28:56 -05:00
Nick Mathewson
db78fe4589 Disable SSLv3 when using a not-up-to-date openssl 
This is to address bug 4822, and CVE-2011-4576.
 2012-01-05 12:28:55 -05:00
Roger Dingledine
ff03347579 note some dead code. if i'm right, should this be removed? 2012-01-05 05:37:06 -05:00
Sebastian Hahn
98959f63ac Disallow disabling DisableDebuggerAttachment on runnning Tor 
Also, have tor_disable_debugger_attach() return a tristate of
success/failure/don't-know-how , and only log appropriately.
 2012-01-04 15:09:02 -05:00
Sebastian Hahn
5d9be49540 Fix a check-spaces violation in compat.c 
Also fix a comment typo
 2011-12-30 23:30:57 +01:00
Nick Mathewson
9f06ec0c13 Add interface enumeration based on SIOCGIFCONF for older unixes 2011-12-28 16:34:16 -05:00
Nick Mathewson
5d44a6b334 Multicast addresses, if any were configured, would not be good if addrs 2011-12-28 16:34:16 -05:00
Nick Mathewson
aa529f6c32 Use getifaddrs, not connect+getsockname, to find our address 
This resolves bug1827, and lets us avoid freaking people out.
Later, we can use it to get a complete list of our interfaces.
 2011-12-28 16:34:16 -05:00
Nick Mathewson
78f43c5d03 Require openssl 1.0.0a for using openssl's ctr-mode implementation 
Previously we required 1.0.0, but there was a bug in the 1.0.0 counter
mode. Found by Pascal. Fixes bug 4779.

A more elegant solution would be good here if somebody has time to code
one.
 2011-12-27 20:31:23 -05:00
Nick Mathewson
85d7811456 Merge remote-tracking branch 'origin/maint-0.2.2' 2011-12-26 17:58:51 -05:00
Sebastian Hahn
da876aec63 Provide correct timeradd/timersup replacements 
Bug caught and patch provided by Vektor. Fixes bug 4778.t
 2011-12-25 23:19:08 +01:00
Kamran Riaz Khan
a1c1fc72d1 Prepend cwd for relative config file paths. 
Modifies filenames which do not start with '/' or '.' on non-Windows
platforms; uses _fullpath on Windows.
 2011-12-22 10:17:48 -05:00
George Kadianakis
d05bc02192 Add an informative header on the 'keys/dynamic_dh_params' file. 2011-12-19 16:06:22 +01:00
Robert Ransom
d688a40a0e Don't crash on startup of a dormant relay 
If a relay is dormant at startup, it will call init_keys before
crypto_set_tls_dh_prime.  This is bad.  Let's make it not so bad, because
someday it *will* happen again.
 2011-12-12 11:25:55 -08:00
Sebastian Hahn
0f8026ec23 Some more check-spaces stuff 
This re-applies a check-spaces fix that was part of
7920ea55b8 and got reverted along with the
rest of that commit in df1f72329a.
 2011-12-08 08:47:09 +01:00
Nick Mathewson
71ecfaa52f indent; add comment 
This re-applies 40a87c4c08 which got
accidentally reverted in 75134c6c86.
Thanks asn for spotting this.
 2011-12-08 08:45:24 +01:00
Sebastian Hahn
ee8b4b4e6e appease check-spaces 
This re-applies f77f9bddb8 which got
accidentally reverted in 53f535aeb8.
Thanks asn for spotting this.
 2011-12-08 08:43:32 +01:00
Nick Mathewson
0ebcf345ce Revert "Refactor the SSL_set_info_callback() callbacks." 
This reverts commit 69a821ea1c.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
9727d21f68 Revert "Detect renegotiation when it actually happens." 
This reverts commit 4fd79f9def.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
e09dd43ab3 Revert "Detect and deny excess renegotiations attempts." 
This reverts commit ecd239e3b5.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
021ff31ba6 Revert "Get rid of tor_tls_block_renegotiation()." 
This reverts commit 340809dd22.
 2011-12-06 19:49:21 -05:00
Nick Mathewson
fa74af0cfa Revert "Also handle needless renegotiations in SSL_write()." 
This reverts commit e2b3527106.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
45c46129ed Revert "Fix issues pointed out by nickm." 
This reverts commit e097bffaed.
 2011-12-06 19:49:20 -05:00
Nick Mathewson
616b60cef3 Revert "Use callback-driven approach to block renegotiations." 
This reverts commit 406ae1ba5a.
 2011-12-06 19:49:20 -05:00