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Re: (ITS#6278) Patch - Enhancement - provide support for PEM files in MozNSS crypto
- To: openldap-its@OpenLDAP.org
- Subject: Re: (ITS#6278) Patch - Enhancement - provide support for PEM files in MozNSS crypto
- From: firstname.lastname@example.org
- Date: Sat, 29 Aug 2009 01:55:09 GMT
- Auto-submitted: auto-generated (OpenLDAP-ITS)
> Full_Name: Rich Megginson
> Version: 2.4.18 (current CVS HEAD)
> OS: Fedora
> URL: ftp://ftp.openldap.org/incoming/openldap-2.4.18-moznss-20090828.patch
> Submission from: (NULL) (220.127.116.11)
> This patch adds support for reading PEM encoded cert and key files to the MozNSS
> crypto implementation. It depends on having the nsspem module library available
> somewhere for the runtime linker to find it (e.g. on a linux system, it uses
> dlopen() to load libnsspem.so). This module is available on Fedora and is
> provided by the package nss-18.104.22.168. Work is underway to incorporate the PEM
> module into MozNSS upstream at mozilla.org. The current source code repository
> The tlsm_init code attempts to determine if you are using PEM files or are using
> a MozNSS key/cert database. If you specify the TLS cacertdir directive, and
> that directory has valid key/cert databases in it, it will use them. Otherwise,
> it will load the PEM module and attempt to load the certs and keys specified by
> cacertdir, cacertfile, certfile, and keyfile.
Thanks. I tweaked the #includes this time around because /usr/include/nspr and
/usr/include/nss already exist on my Ubuntu machine. Unfortunately, several of
the nspr header files still use unqualified paths to reference each other, so
you still need -I/usr/include/nspr to get this to compile successfully.
Needless to say, I think nspr needs to be cleaned up a bit more before it's
ready for primetime.
With that small change it compiles OK so I've committed it to HEAD.
I'm not too thrilled to see PL_strdup / PL_strfree and friends here;
everything else in the source tree uses our wrappers that funnel into
ber_memalloc and we rely on this for accounting, leak testing and other
validation. (Not to mention avoiding silly crashes when running on Windows
where each DLL has its own heap manager...) It looks like all of the uses are
self-contained and won't escape this module so it's probably OK. I'd suggest
overriding the NSPR malloc hooks but that would probably mess up any other
We can probably roll this code into RE24 as well but I'm still going to omit
the configure switch for the moment.
> This patch file is derived from OpenLDAP Software. All of the
> modifications to OpenLDAP Software represented in the following
> patch(es) were developed by Red Hat, Inc.. Red Hat, Inc. has not
> assigned rights and/or interest in this work to any party. I, Richard
> Megginson am authorized by Red Hat, Inc., my employer, to release this
> work under the following terms.
> Red Hat, Inc. hereby place the following modifications to OpenLDAP
> Software (and only these modifications) into the public domain. Hence,
> these modifications may be freely used and/or redistributed for any
> purpose with or without attribution and/or other notice.
-- Howard Chu
CTO, Symas Corp. http://www.symas.com
Director, Highland Sun http://highlandsun.com/hyc/
Chief Architect, OpenLDAP http://www.openldap.org/project/