Re: [PATCH v5 6/6] crypto: Make QCryptoTLSCreds* structures private

[Daniel P . Berrangé]

On Thu, Jun 17, 2021 at 02:18:30PM +0200, Philippe Mathieu-Daudé wrote:
> Code consuming the "crypto/tlscreds*.h" APIs doesn't need
> to access its internals. Move the structure definitions to
> the "tlscredspriv.h" private header (only accessible by
> implementations). The public headers (in include/) still
> forward-declare the structures typedef.
> 
> Note, tlscreds.c and 3 of the 5 modified source files already
> include "tlscredspriv.h", so only add it to tls-cipher-suites.c
> and tlssession.c.
> 
> Removing the internals from the public header solves a bug
> introduced by commit 7de2e856533 ("yank: Unregister function
> when using TLS migration") which made migration/qemu-file-channel.c
> include "io/channel-tls.h", itself sometime depends on GNUTLS,
> leading to a build failure on OSX:
> 
>   [2/35] Compiling C object libmigration.fa.p/migration_qemu-file-channel.c.o
>   FAILED: libmigration.fa.p/migration_qemu-file-channel.c.o
>   cc -Ilibmigration.fa.p -I. -I.. -Iqapi [ ... ] -o 
> libmigration.fa.p/migration_qemu-file-channel.c.o -c 
> ../migration/qemu-file-channel.c
>   In file included from ../migration/qemu-file-channel.c:29:
>   In file included from include/io/channel-tls.h:26:
>   In file included from include/crypto/tlssession.h:24:
>   include/crypto/tlscreds.h:28:10: fatal error: 'gnutls/gnutls.h' file not 
> found
>   #include <gnutls/gnutls.h>
>            ^~~~~~~~~~~~~~~~~
>   1 error generated.
> 
> Reported-by: Stefan Weil <sw@weilnetz.de>
> Suggested-by: Daniel P. Berrangé <berrange@redhat.com>
> Resolves: https://gitlab.com/qemu-project/qemu/-/issues/407
> Fixes: 7de2e856533 ("yank: Unregister function when using TLS migration")
> Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com>
> ---
>  crypto/tlscredspriv.h              | 45 ++++++++++++++++++++++++++++++
>  include/crypto/tls-cipher-suites.h |  6 ----
>  include/crypto/tlscreds.h          | 16 -----------
>  include/crypto/tlscredsanon.h      | 12 --------
>  include/crypto/tlscredspsk.h       | 12 --------
>  include/crypto/tlscredsx509.h      | 10 -------
>  crypto/tls-cipher-suites.c         |  7 +++++
>  crypto/tlscredsanon.c              |  2 ++
>  crypto/tlscredspsk.c               |  2 ++
>  crypto/tlscredsx509.c              |  1 +
>  crypto/tlssession.c                |  1 +
>  11 files changed, 58 insertions(+), 56 deletions(-)

Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>


Regards,
Daniel
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