Another maintainance round for the stable mod_ssl 2.4 series: version
2.4.9. This version provides you lots of bugfixes and small enhancements
and is worth an upgrade. There is just one incompatibility I had to
create (sorry) and which you should be aware of when upgrading: Add
`SSLOptions +StdEnvVars' to your httpd.conf file (for more details
read below) to make sure your CGI/SSI scripts still get the SSL_XXX
variables.
Fetch it from:
http://www.modssl.org/source/
ftp://ftp.modssl.org/source/
Yours,
Ralf S. Engelschall
[EMAIL PROTECTED]
www.engelschall.com
Changes with mod_ssl 2.4.9 (05-Nov-1999 to 24-Nov-1999)
*) Fixed SSLRequire expression evaluation for number strings.
Expressions like `SSLRequire %{SSL_CIPHER_USEKEYSIZE} >= 128'
didn't work if SSL_CIPHER_USEKEYSIZE was "40" because the evaluation
used strcmp(3) and this fails to compare numbers of different length.
An own comparison function is now used to avoid this problem.
*) Now on Win32 a warning is logged once on startup that mod_ssl is
NOT officially supported under Win32 and people have to use it there on
their own risk (and so shouldn't complain if it doesn't work). Because
only the Unix platform is officially supported and mod_ssl is checked
for security issues only related this platform.
*) For performance reasons it is unreasonable to create the SSL_*
CGI/SSI variables _all the time_, because their creation is
a rather expensive operation which slows down the server
noticeable. Instead it is more reasonable to let them create for
CGI and SSI requests _only_. For consistency reason with other
`SSLOptions' variables (which all have positive names) and to
avoid necessary cleanups changes in the future, I decided to make
the incompatibility change _NOW_ (sorry).
In short: With mod_ssl 2.4.9 per default no SSI/CGI variables
SSL_* are created any longer (only the special "HTTPS" variable is
always created). Instead one has to use `SSLOptions +StdEnvVars'
to switch the creation on.
*) Added an `SSLOptions' variable `StdEnvVars' which now controls
the creation of the numerious SSL_* CGI/SSI variables.
*) Renamed old variable SSL_{CLIENT,SERVER}_{S,I}_DN_SP to more
correct SSL_{CLIENT,SERVER}_{S,I}_DN_ST variable to conform to
RFC2156 and current OpenSSL state (which also prints this OID as
"ST" and no longer "SP").
*) Added support for SSL_{CLIENT,SERVER}_{S,I}_DN_{T,I,G,S,D,UID}
variables (corresponding to X.509 title, initials, givenName, surname,
description and uniqueIdentifier OIDs) to allow the checking of more
X.509 certificate ingredients.
*) Allow mod_rewrite to also lookup the "HTTPS" variable, for instance
via ``RewriteCond %{HTTPS} !=on''.
*) Removed old URL references to rsaref20.tar.Z from INSTALL document.
*) Now an explicit error message is logged also if an SSL session cannot be
stored to the DBM file via dbm_store (and not just if dbm_open failed).
*) Now the pass phrase dialog no longer uses the hard-coded
filedescriptor 10 as the storage for stderr while the pass phrase dialog
is displayed. Instead (at least under Unix) it tries to open /dev/null
and uses this filedescriptor instead. And when this fails (or always
under Win32) it uses the hard-coded filedescriptor 50 (a lot higher than
10 to avoid problems with logfile rotation programs and other things
Apache could have started).
*) Fixed SSL_make_ciphersuite() function: it calculated the required string
length incorrectly and could segfault. BUT THIS FUNCTION IS STILL NOT
USED IN MOD_SSL AT ALL, so don't panic. This function is for debugging
purposes only.
*) Fixed a filedescriptor leak which happened if encrypted private keys
were used. Here the pass phrase dialog forgot to close a temporary
filedescriptor.
*) Added three new OpenSSL log entry annotations: First, "*no start
line*" now triggers "Bad file contents or format - or even just
a forgotten SSLCertificate KeyFile?" and "*bad password read*"
triggers "You entered an incorrect pass phrase!?". Additionally
"*bad mac decode*" now triggers "Browser still remembered details
of a re-created server certificate?" because people often get "bad
data" dialog boxes while (re-)testing with Snake Oil certs.
*) Added hint about possibly blocking /dev/random devices also to
httpd.conf-default to make sure people don't overlook this subtle
platform-dependent problem. Additionally a new FAQ entry was
made about this, too.
*) Added an entry to the FAQ about GIDs and their intermediate
certificate which has to be configured with SSLCertificateChainFile.
*) Fixed some external URLs in the FAQ.
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