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Author SHA1 Message Date
Nick Mathewson
a6688f9cbb sandbox: allow enough setsockopt to make ConstrainedSockets work 
fixes bug 12139; bugfix on 0.2.5.1-alpha
 2014-05-29 11:04:32 -04:00
Nick Mathewson
a056ffabbb sandbox: permit listen(2) 
Fix for 12115; bugfix on 0.2.5.1-alpha
 2014-05-27 19:28:12 -04:00
Nick Mathewson
14842de9a7 sandbox: Allow DirPortFrontPage unconditionally if it's set 
fixes 12114; bug not in any release.

Improves fix for 12028
 2014-05-27 19:21:11 -04:00
Nick Mathewson
ba9946dda7 Merge branch 'bug11622' 2014-05-27 17:35:04 -04:00
Nick Mathewson
f0945ac270 Log the errno value if seccomp_load() fails. 
(This is how I found out I was trying to test with a kernel too old
for seccomp. I think.)
 2014-05-27 17:34:52 -04:00
Nick Mathewson
b0c1c70011 Make sandbox.c compile on arm 
This is a minimal set of changes for compilation; I need a more
recent kernel to test this stuff.
 2014-05-27 17:34:52 -04:00
Nick Mathewson
824bebd409 sandbox: Correct fix for hs part of 12064 
Bugfix on cfd0ee514c279bc6c7b; bug not in any released version of tor
 2014-05-23 11:46:44 -04:00
Nick Mathewson
5de91d118d Merge branch 'bug11965_v2' 2014-05-23 11:23:00 -04:00
Nick Mathewson
802c063148 Postpone fetches based on should_delay_dir_fetch(), not DisableNetwork 
Without this fix, when running with bridges, we would try fetching
directory info far too early, and have up to a 60 second delay if we
started with bridge descriptors available.

Fixes bug 11965. Fix on 0.2.3.6-alpha, arma thinks.
 2014-05-23 11:22:35 -04:00
Nick Mathewson
cfd0ee514c sandbox: allow reading of hidden service configuration files. 
fixes part of 12064
 2014-05-22 20:39:10 -04:00
Nick Mathewson
85f49abfbe sandbox: refactor string-based option-unchanged tests to use a macro 
There was too much code duplication in doing it the old way, and I
nearly made a copy-and-paste error in the last commit.
 2014-05-22 20:00:22 -04:00
Nick Mathewson
ffc1fde01f sandbox: allow access to cookie files, approved-routers 
fixes part of 12064
 2014-05-22 19:56:56 -04:00
Nick Mathewson
1356ef1176 changes file for 12064_part1 2014-05-22 19:49:59 -04:00
Michael Wolf
387f294d40 sandbox: allow access to various stats/*-stats files 
Fix for 12064 part 1
 2014-05-22 19:48:24 -04:00
Nick Mathewson
c8af95d336 Documentation fix: DataDir/status/* -> DataDir/stats/* 
Our documentation had the name of this directory wrong.
 2014-05-22 19:45:45 -04:00
Nick Mathewson
e425fc7804 sandbox: revamp sandbox_getaddrinfo cacheing 
The old cache had problems:
     * It needed to be manually preloaded. (It didn't remember any
       address you didn't tell it to remember)
     * It was AF_INET only.
     * It looked at its cache even if the sandbox wasn't turned on.
     * It couldn't remember errors.
     * It had some memory management problems. (You can't use memcpy
       to copy an addrinfo safely; it has pointers in.)

This patch fixes those issues, and moves to a hash table.

Fixes bug 11970; bugfix on 0.2.5.1-alpha.
 2014-05-22 17:39:36 -04:00
Nick Mathewson
1a73e17801 Merge remote-tracking branch 'andrea/bug11476' 2014-05-22 16:27:29 -04:00
Andrea Shepard
170e0df741 Eliminate #ifdef ENABLE_MEMPOOLS in packed_cell_new/free() 2014-05-21 10:53:25 -07:00
Nick Mathewson
fef65fa643 sandbox: permit gettid, sched_getaffinity 
These are needed under some circumstances if we are running with
expensive-hardening and sandbox at the same time.

fixes 11477, bugfix on 0.2.5.4-alpha (where we introduced
expensive-hardening)
 2014-05-20 15:49:01 -04:00
Nick Mathewson
2609b939d6 fix a wide line 2014-05-20 15:22:27 -04:00
Nick Mathewson
c21377e7bc sandbox: support logfile rotation 
Fixes bug 12032; bugfix on 0.2.5.1-alpha
 2014-05-20 15:21:48 -04:00
Nick Mathewson
29f2f7ce9a doc/HACKING: Improve documentation of how to bump version in maint 
See discussion on 9553: Some of the build scripts don't like it when
you can't merge maint into release.
 2014-05-20 15:02:35 -04:00
Nick Mathewson
268a117cdf sandbox: tolerate reloading with DirPortFrontPage set 
Also, don't tolerate changing DirPortFrontPage.

Fixes bug 12028; bugfix on 0.2.5.1-alpha.
 2014-05-20 14:58:28 -04:00
Nick Mathewson
465982012c sandbox: Disallow options which would make us call exec() 
None of the things we might exec() can possibly run under the
sanbox, so rather than crash later, we have to refuse to accept the
configuration nice and early.

The longer-term solution is to have an exec() helper, but wow is
that risky.

fixes 12043; bugfix on 0.2.5.1-alpha
 2014-05-20 12:21:31 -04:00
Nick Mathewson
f87071f49e sandbox: Permit access to stats/dirreq-stats 
This prevents a crash when rotating logs with dirreq-stats enabled

fixes 12035; bugfix on 0.2.5.1-alpha.
 2014-05-20 12:06:08 -04:00
Nick Mathewson
0b2b5b7606 Oops; permit rename with the correct filename 2014-05-20 12:03:27 -04:00
Nick Mathewson
ace9063fb4 Fix a sentence that I never 2014-05-20 11:58:18 -04:00
Nick Mathewson
f6d3006363 Sandbox: allow access to stats/bridge-stats 
Fix for 12041; bugfix on 0.2.5.1-alpha.
 2014-05-20 11:57:29 -04:00
Roger Dingledine
767b18ea8e note a comment that nickm didn't finish 2014-05-17 00:02:41 -04:00
Andrea Shepard
b3edd04065 Add changes file for bug11476 2014-05-16 08:56:42 -07:00
Andrea Shepard
f7a55bc4b4 Turn --enable-mempools off by default 2014-05-16 08:51:51 -07:00
Nick Mathewson
ef9c00f539 Merge remote-tracking branch 'origin/maint-0.2.4' 
This is an "ours" merge, to avoid taking the commit that bumped
maint-0.2.4's version to 0.2.4.22-dev.
 2014-05-16 09:17:34 -04:00
Nick Mathewson
8d9602c21c Bump maint-0.2.4 version to 0.2.4.22-dev 
(See discussion on #9553)
 2014-05-16 09:16:54 -04:00
Nick Mathewson
34552740b1 Document that we're incrementing version numbers in maint. 
(ticket 9553)
 2014-05-16 09:14:38 -04:00
Nick Mathewson
0f4e661e7a Forward-port 0.2.4.22 changelog 2014-05-16 09:06:48 -04:00
Nick Mathewson
2d21a8f4d6 Merge remote-tracking branch 'public/bug11469_024' 2014-05-15 13:35:08 -04:00
Nick Mathewson
081ff5fa83 whitespace fix, more 2014-05-14 22:55:02 -04:00
Nick Mathewson
a6eea86a2c Merge branch 'bug11946' 2014-05-14 22:51:51 -04:00
Nick Mathewson
a88923e455 whitespace fix 2014-05-14 22:50:25 -04:00
Nick Mathewson
f694a443fc Improved comments on bug11946 fix 2014-05-14 22:49:38 -04:00
Nick Mathewson
1badef5cec Use DirPort for uploading descriptors. 
When we converted the horrible set of options that previously
controlled "use ORPort or DirPort? Anonymously or Non-anonymouly?" to
a single 'indirection' argument, we missed
directory_post_to_dirservers.

The problematic code was introduced in 5cbeb6080, which went into
0.2.4.3-alpha.  This is a fix for bug 11469.
 2014-05-14 21:49:57 -04:00
Nick Mathewson
9b4ac986cb Use tor_getpw{nam,uid} wrappers to fix bug 11946 
When running with User set, we frequently try to look up our
information in the user database (e.g., /etc/passwd).  The seccomp2
sandbox setup doesn't let us open /etc/passwd, and probably
shouldn't.

To fix this, we have a pair of wrappers for getpwnam and getpwuid.
When a real call to getpwnam or getpwuid fails, they fall back to a
cached value, if the uid/gid matches.

(Granting access to /etc/passwd isn't possible with the way we
handle opening files through the sandbox.  It's not desirable either.)
 2014-05-14 13:53:14 -04:00
Nick Mathewson
e12af2adb0 Add a pair of wrapper functions: tor_getpwnam() and tor_getpwuid() 
We'll use these to deal with being unable to access the user DB
after we install the sandbox, to fix bug 11946.
 2014-05-14 13:50:43 -04:00
Nick Mathewson
747f368c6d make the changelog text wrapper respect arma's no-initial-openparen rule 2014-05-14 12:56:09 -04:00
Andrea Shepard
39d4e67be8 Add --disable-mempools configure option 2014-05-12 18:23:34 -07:00
Andrea Shepard
17435384c0 Turn --enable-buf-freelists off by default 2014-05-12 17:28:26 -07:00
Nick Mathewson
585582fc8c Merge branch 'bug9781_v2' 2014-05-12 13:35:22 -04:00
Nick Mathewson
b5e142cb1b Log an error reply from tor-fw-helper correctly. 
Fix for bug 9781; bugfix on cd05f35d2c in 0.2.4.2-alpha.
 2014-05-12 13:35:01 -04:00
Nick Mathewson
75e850efe6 changes file for gisle vanem's MSVC fix 2014-05-12 11:49:17 -04:00
Gisle Vanem
c7ab8587c9 Fix compilation of test_status.c with MSVC 2014-05-12 00:34:23 -04:00