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Re: [PATCH v2 05/12] crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 s


From: Thomas Huth
Subject: Re: [PATCH v2 05/12] crypto: bump min gcrypt to 1.8.0, dropping RHEL-7 support
Date: Fri, 14 May 2021 14:23:49 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:78.0) Gecko/20100101 Thunderbird/78.10.0

On 14/05/2021 14.04, Daniel P. Berrangé wrote:
It has been over two years since RHEL-8 was released, and thus per the
platform build policy, we no longer need to support RHEL-7 as a build
target. This lets us increment the minimum required gcrypt version and
assume that HMAC is always supported

Per repology, current shipping versions are:

              RHEL-8: 1.8.5
       Debian Buster: 1.8.4
  openSUSE Leap 15.2: 1.8.2
    Ubuntu LTS 18.04: 1.8.1
    Ubuntu LTS 20.04: 1.8.5
             FreeBSD: 1.9.2
           Fedora 33: 1.8.6
           Fedora 34: 1.9.3
             OpenBSD: 1.9.3
      macOS HomeBrew: 1.9.3

Ubuntu LTS 18.04 has the oldest version and so 1.8.0 is the new minimum.

Maybe add a note why 1.8.0 and not 1.8.1 ? (if I see it correctly, the configure script does not check for the third digit?)

Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
---
  .gitlab-ci.yml     | 10 ----------
  configure          | 18 +-----------------
  crypto/meson.build |  6 +-----
  3 files changed, 2 insertions(+), 32 deletions(-)

diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index f012b16b79..f44c5b08ef 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -707,16 +707,6 @@ build-coroutine-sigaltstack:
  #
  # These jobs test old gcrypt and nettle from RHEL7
  # which had some API differences.
-crypto-old-gcrypt:
-  <<: *native_build_job_definition
-  needs:
-    job: amd64-centos7-container
-  variables:
-    IMAGE: centos7
-    TARGETS: x86_64-softmmu x86_64-linux-user
-    CONFIGURE_ARGS: --disable-nettle --enable-gcrypt
-    MAKE_CHECK_ARGS: check
-
  crypto-only-gnutls:
    <<: *native_build_job_definition
    needs:
diff --git a/configure b/configure
index 050299290d..f077cdb9c3 100755
--- a/configure
+++ b/configure
@@ -426,7 +426,6 @@ gnutls="$default_feature"
  nettle="$default_feature"
  nettle_xts="no"
  gcrypt="$default_feature"
-gcrypt_hmac="no"
  gcrypt_xts="no"
  qemu_private_xts="yes"
  auth_pam="$default_feature"
@@ -2849,7 +2848,7 @@ has_libgcrypt() {
      maj=`libgcrypt-config --version | awk -F . '{print $1}'`
      min=`libgcrypt-config --version | awk -F . '{print $2}'`
- if test $maj != 1 || test $min -lt 5
+    if test $maj != 1 || test $min -lt 8
      then
         return 1
      fi
@@ -2915,18 +2914,6 @@ if test "$gcrypt" != "no"; then
          gcrypt="yes"
          cat > $TMPC << EOF
  #include <gcrypt.h>
-int main(void) {
-  gcry_mac_hd_t handle;
-  gcry_mac_open(&handle, GCRY_MAC_HMAC_MD5,
-                GCRY_MAC_FLAG_SECURE, NULL);
-  return 0;
-}
-EOF
-        if compile_prog "$gcrypt_cflags" "$gcrypt_libs" ; then
-            gcrypt_hmac=yes
-        fi
-        cat > $TMPC << EOF
-#include <gcrypt.h>
  int main(void) {
    gcry_cipher_hd_t handle;
    gcry_cipher_open(&handle, GCRY_CIPHER_AES, GCRY_CIPHER_MODE_XTS, 0);
@@ -5722,9 +5709,6 @@ if test "$gnutls" = "yes" ; then
  fi
  if test "$gcrypt" = "yes" ; then
    echo "CONFIG_GCRYPT=y" >> $config_host_mak
-  if test "$gcrypt_hmac" = "yes" ; then
-    echo "CONFIG_GCRYPT_HMAC=y" >> $config_host_mak
-  fi
    echo "GCRYPT_CFLAGS=$gcrypt_cflags" >> $config_host_mak
    echo "GCRYPT_LIBS=$gcrypt_libs" >> $config_host_mak
  fi
diff --git a/crypto/meson.build b/crypto/meson.build
index 7f37b5d335..af7e80c6f6 100644
--- a/crypto/meson.build
+++ b/crypto/meson.build
@@ -26,11 +26,7 @@ if 'CONFIG_NETTLE' in config_host
    crypto_ss.add(files('hash-nettle.c', 'hmac-nettle.c', 'pbkdf-nettle.c'))
  elif 'CONFIG_GCRYPT' in config_host
    crypto_ss.add(files('hash-gcrypt.c', 'pbkdf-gcrypt.c'))
-  if 'CONFIG_GCRYPT_HMAC' in config_host
-    crypto_ss.add(files('hmac-gcrypt.c'))
-  else
-    crypto_ss.add(files('hmac-glib.c'))
-  endif
+  crypto_ss.add(files('hmac-gcrypt.c'))


I think you could also add it to the previous line (as it is done with nettle) instead of adding it in a separate line. But well, that's just cosmetics, so either way:

Reviewed-by: Thomas Huth <thuth@redhat.com>




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