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Nick Mathewson 9b18b215bb Work around a behavior change in openssl's BUF_MEM code 
In our code to write public keys to a string, for some unfathomable
reason since 253f0f160e, we would allocate a memory BIO, then
set the NOCLOSE flag on it, extract its memory buffer, and free it.
Then a little while later we'd free the memory buffer with
BUF_MEM_free().

As of openssl 1.1 this doesn't work any more, since there is now a
BIO_BUF_MEM structure that wraps the BUF_MEM structure.  This
BIO_BUF_MEM doesn't get freed in our code.

So, we had a memory leak!

Is this an openssl bug?  Maybe.  But our code was already pretty
silly.  Why mess around with the NOCLOSE flag here when we can just
keep the BIO object around until we don't need the buffer any more?

Fixes bug 20553; bugfix on 0.0.2pre8
2016-11-03 10:51:10 -04:00
changes Work around a behavior change in openssl's BUF_MEM code 2016-11-03 10:51:10 -04:00
contrib Bump to 0.2.8.9-dev 2016-10-17 16:32:11 -04:00
doc Run asciidoc in UTC timezone for build reproducibility. 2016-07-05 12:38:24 -04:00
m4 Add pkg.m4 to use pkgconfig macros 2014-12-23 11:39:48 -05:00
scripts Remove a fallback that was on the hardcoded list, then opted-out 2016-07-29 10:23:15 -04:00
src Work around a behavior change in openssl's BUF_MEM code 2016-11-03 10:51:10 -04:00
.gitignore Do not ignore files that are being tracked by git 2016-05-23 11:02:15 -04:00
acinclude.m4 Fedora Core->Fedora; yum->dnf. 2016-03-11 09:13:33 -05:00
autogen.sh Use a nicely written autoconf macro to determine the sign of a type 2013-02-07 16:23:48 -05:00
ChangeLog rewrap changelog 2016-03-28 13:54:50 -04:00
configure.ac Bump to 0.2.8.9-dev 2016-10-17 16:32:11 -04:00
Doxyfile.in Use output variables instead of relative paths. 2015-03-14 13:00:04 -04:00
INSTALL Small fixes for the 2702 implementation 2011-04-02 12:15:08 +02:00
LICENSE Update the copyright year. 2016-02-27 18:48:19 +01:00
Makefile.am Merge branch 'maint-0.2.7' into maint-0.2.8 2016-05-09 18:14:44 -04:00
Makefile.nmake Clean up the MVSC nmake files so they work again. 2014-09-09 10:27:05 -04:00
README Move hacking documentation into a new subdirectory. 2015-10-09 10:40:53 -04:00
ReleaseNotes minor changelog cleanups to help the new alpha 2016-03-28 13:20:51 -04:00

README 

Tor protects your privacy on the internet by hiding the connection
between your Internet address and the services you use. We believe Tor
is reasonably secure, but please ensure you read the instructions and
configure it properly.

To build Tor from source:
        ./configure && make && make install

To build Tor from a just-cloned git repository:
        sh autogen.sh && ./configure && make && make install

Home page:
        https://www.torproject.org/

Download new versions:
        https://www.torproject.org/download/download.html

Documentation, including links to installation and setup instructions:
        https://www.torproject.org/docs/documentation.html

Making applications work with Tor:
        https://wiki.torproject.org/projects/tor/wiki/doc/TorifyHOWTO

Frequently Asked Questions:
        https://www.torproject.org/docs/faq.html


To get started working on Tor development:
        See the doc/HACKING directory.