Re: [PATCH v2 7/7] crypto: Make QCryptoTLSCreds* structures private

["Philippe Mathieu-Daudé" <philmd@redhat.com>]

On 6/15/21 6:52 PM, Daniel P. Berrangé wrote:
> On Tue, Jun 15, 2021 at 06:47:51PM +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 implementations in crypto/. The headers still forward
>> declare the structures typedef.
>>
>> This solves a bug introduced by commit 7de2e856533 which made
>> migration/qemu-file-channel.c include "io/channel-tls.h",
>> itself sometime depends on GNUTLS, leading to 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         | 15 +++++++++++++++
>>  include/crypto/tlscreds.h     | 16 ----------------
>>  include/crypto/tlscredsanon.h | 12 ------------
>>  include/crypto/tlscredspsk.h  | 12 ------------
>>  include/crypto/tlscredsx509.h | 10 ----------
>>  crypto/tlscredsanon.c         | 13 +++++++++++++
>>  crypto/tlscredspsk.c          | 14 ++++++++++++++
>>  crypto/tlscredsx509.c         | 16 +++++++++++++---
>>  8 files changed, 55 insertions(+), 53 deletions(-)
> 
> Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>

Thanks, however I missed something:

crypto/tlssession.c: In function ‘qcrypto_tls_session_new’:
crypto/tlssession.c:163:48: error: invalid use of incomplete typedef
‘QCryptoTLSCredsAnon’
  163 |                                          acreds->data.server);
      |                                                ^~
crypto/tlssession.c:167:48: error: invalid use of incomplete typedef
‘QCryptoTLSCredsAnon’
  167 |                                          acreds->data.client);
      |                                                ^~
crypto/tlssession.c:201:48: error: invalid use of incomplete typedef
‘QCryptoTLSCredsPSK’
  201 |                                          pcreds->data.server);
      |                                                ^~
crypto/tlssession.c:205:48: error: invalid use of incomplete typedef
‘QCryptoTLSCredsPSK’
  205 |                                          pcreds->data.client);
      |                                                ^~
crypto/tlssession.c:228:44: error: invalid use of incomplete typedef
‘QCryptoTLSCredsX509’
  228 |                                      tcreds->data);
      |                                            ^~