Re: [PATCH 0/3] sign-file,extract-cert: switch to PROVIDER API for OpenSSL >= 3.0

["Jarkko Sakkinen" <jarkko.sakkinen@iki.fi>]

On Fri Sep 20, 2024 at 2:42 PM EEST, Neal Gompa wrote:
> On Tue, Aug 6, 2024 at 4:27 PM Neal Gompa <neal@gompa.dev> wrote:
> >
> > On Friday, July 12, 2024 3:11:13 AM EDT Jan Stancek wrote:
> > > The ENGINE interface has its limitations and it has been superseded
> > > by the PROVIDER API, it is deprecated in OpenSSL version 3.0.
> > > Some distros have started removing it from header files.
> > >
> > > Update sign-file and extract-cert to use PROVIDER API for OpenSSL Major >=
> > > 3.
> > >
> > > Tested on F39 with openssl-3.1.1, pkcs11-provider-0.5-2,
> > > openssl-pkcs11-0.4.12-4 and softhsm-2.6.1-5 by using same key/cert as PEM
> > > and PKCS11 and comparing that the result is identical.
> > >
> > > Jan Stancek (3):
> > >   sign-file,extract-cert: move common SSL helper functions to a header
> > >   sign-file,extract-cert: avoid using deprecated ERR_get_error_line()
> > >   sign-file,extract-cert: use pkcs11 provider for OPENSSL MAJOR >= 3
> > >
> > >  MAINTAINERS          |   1 +
> > >  certs/Makefile       |   2 +-
> > >  certs/extract-cert.c | 138 +++++++++++++++++++++++--------------------
> > >  scripts/sign-file.c  | 134 +++++++++++++++++++++--------------------
> > >  scripts/ssl-common.h |  32 ++++++++++
> > >  5 files changed, 178 insertions(+), 129 deletions(-)
> > >  create mode 100644 scripts/ssl-common.h
> >
> > The code looks fairly reasonable to me and behaves as expected.
> >
> > I have been actively using this patch set for several weeks now across
> > linux-6.9.y and now linux-6.10.y with good success.
> >
> > It is in use in production for Fedora Asahi Linux kernels with good success.
> > Thanks for the fixes. :)
> >
> > Reviewed-by: Neal Gompa <neal@gompa.dev>
> >
>
> Jarkko, could you please consider submitting this for inclusion into
> 6.12? I've been carrying this for three Linux kernel rebases now
> (6.9.y, 6.10.y, and now 6.11.y) and it seems to be just fine, and
> without it, I cannot build kernels anymore with the OpenSSL engine API
> disabled in Fedora and CentOS/RHEL. I also expect that the engine API
> will disappear on other platforms in the near future given its
> deprecated status and recently accelerated conversion of engine
> backends to the newer provider API.
>
> Thanks in advance! :)

Yes, I think I can. And I've yet to do 6.12 PR because I've been
busy sorting out perf regression in the TPM driver.

ERROR: need consistent spacing around '*' (ctx:WxV)
#66: FILE: certs/extract-cert.c:69:
+	OSSL_STORE_CTX *store;
 	              ^

ERROR: need consistent spacing around '*' (ctx:WxV)
#93: FILE: certs/extract-cert.c:96:
+		ENGINE *e;
 		      ^

ERROR: need consistent spacing around '*' (ctx:WxV)
#199: FILE: scripts/sign-file.c:114:
+	OSSL_STORE_CTX *store;
 	              ^

ERROR: need consistent spacing around '*' (ctx:WxV)
#229: FILE: scripts/sign-file.c:141:
+	ENGINE *e;
 	      ^
Any ideas of these? My guess is that they are unfixable and related
to non-kernel-standard code.

BR, Jarkko