Fix up:port af, use a different var, because utm port af is always AF_INET, and it breaks the target address af if the listening address is AF_INET6
Enable -O2 C flag, because LibreSSL is compiled with -O2 too
Add DEBUG_PROXY directive around all log_dbg_level_printf() and related lines
Log stats to syslog, similar to error logs, so that it is simpler to rotate and parse
-O w/o -g is failing bufferevent_socket_connect for parent dst, so either enable -O w/ -g, or disable -O w/o -g (-O2 is failing too)
Refactoring
Introduce HAVE_SSLV2, HAVE_SSLV3, HAVE_TLSV10, HAVE_TLSV11 and
HAVE_TLSV12 to indicate that support for the respective protocol is
available in OpenSSL. This was necessary due to the increased
complexity of testing version support following the phasing out of SSLv2
and SSLv3 from OpenSSL implementations. This fixes the build with
OpenSSL versions which have SSLv3 support removed.
While here, de-duplicate code for setting SSL_CTX options and do not set
SSL_OP_NO_SESSION_RESUMPTION_ON_RENEGOTIATION anymore; it has no benefit
in the context of splitting SSL/TLS for analysis.
Reported by: Jérémie Courrèges-Anglas
Refactor and unify ssl_tls_clienthello_identify() and the earlier
ssl_tls_clienthello_parse_sni() into a single
ssl_tls_clienthello_parse() function that handles parsing ClientHello
messages for different purposes. As a result, rename the debug knob
DEBUG_SNI_PARSER into DEBUG_CLIENTHELLO_PARSER.
This code looks at the beginning of each read from the src for something
that looks like an ssl client hello message; if it finds one it tries to
upgrade the connection to proxied ssl. So it works only in the simple
case where the connection has no binary data before the upgrade attempt
(so there are no false positives), and where the client hello comes at
the beginning of a packet from the source.
- Update copyright to 2015
- Remove the non-standard "unmodified" from the 2-clause BSD license
- Remove scalable from the tagline to avoid misinterpretations
OpenSSL 0.9.8y also crashes in OpenSSL's SSL_get_certificate() on a
NULL pointer dereference. Fix by also using the direct access hack
developed for OpenSSL 1.0.0k and 1.0.1e with OpenSSL 0.9.8y.
Add -r to force a specific SSL/TLS protocol version.
Add -R to disable one or several SSL/TLS protocol versions.
Replace WANT_SSLV2_CLIENT and WANT_SSLV2_SERVER to WITH_SSLV2.
Issue: #30
Reported by: @Apollo2342
Always explicitly name which arguments are non-null, even if all
arguments are non-null. This is to avoid bugs where newly added
arguments are automatically non-null by accident, possibly leading to
optimisation errors.
This also fixes a few potential errors related to non-null arguments;
specifically it prevents the compiler optimising away a test for sni
being NULL in cachedsess_mkkey().
Issue: #14
Reported by: kythyria
Extend and improve the workaround introduced in commit 20b3f66120.
Automatically replace SSL_get_certificate() with a drop-in replacement
if a version of OpenSSL known to be broken is used. This now covers the
use of SSL_get_certificate() within the connection manager as well and
resolves one more case where OpenSSL could crash.
