gnutls: Added fips option.

- Added a patch to avoid excute fipshmac command. Because *.hmac
file should be created on target instead of on build environment.
- Added pkg_postinst_ontarget to make sure necessary files are
created on target.

Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
Signed-off-by: Luca Ceresoli <luca.ceresoli@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

2 files changed, 51 insertions, 1 deletions

diff --git a/meta/recipes-support/gnutls/gnutls/0001-Creating-.hmac-file-should-be-excuted-in-target-envi.patch b/meta/recipes-support/gnutls/gnutls/0001-Creating-.hmac-file-should-be-excuted-in-target-envi.patch
new file mode 100644
index 0000000000..e40b2be362
--- /dev/null
+++ b/meta/recipes-support/gnutls/gnutls/0001-Creating-.hmac-file-should-be-excuted-in-target-envi.patch
@@ -0,0 +1,28 @@
+From b729a356538d499fe25e82bfc78ea663bdaca0a8 Mon Sep 17 00:00:00 2001
+From: Lei Maohui <leimaohui@fujitsu.com>
+Date: Mon, 23 May 2022 10:44:43 +0900
+Subject: [PATCH] Creating .hmac file should be excuted in target environment,
+ so deleted it from build process.
+
+Upstream-Status: Inappropriate [https://gitlab.com/gnutls/gnutls/-/issues/1373]
+Signed-off-by: Lei Maohui <leimaohui@fujitsu.com>
+---
+ lib/Makefile.am | 3 +--
+ 1 file changed, 1 insertion(+), 2 deletions(-)
+
+diff --git a/lib/Makefile.am b/lib/Makefile.am
+index 0b43ef9..cf263f0 100644
+--- a/lib/Makefile.am
++++ b/lib/Makefile.am
+@@ -206,8 +206,7 @@ hmac_files = .libs/.gnutls.hmac
+
+ all-local: $(hmac_files)
+
+-.libs/.gnutls.hmac: libgnutls.la fipshmac
+-	$(AM_V_GEN) $(builddir)/fipshmac > $@-t && mv $@-t $@
++.libs/.gnutls.hmac:
+
+ CLEANFILES = $(hmac_files)
+ endif
+--
+2.25.1
diff --git a/meta/recipes-support/gnutls/gnutls_3.7.5.bb b/meta/recipes-support/gnutls/gnutls_3.7.5.bb
index 5feedb7fdc..63157eac97 100644
--- a/meta/recipes-support/gnutls/gnutls_3.7.5.bb
+++ b/meta/recipes-support/gnutls/gnutls_3.7.5.bb
@@ -21,6 +21,7 @@ SHRT_VER = "${@d.getVar('PV').split('.')[0]}.${@d.getVar('PV').split('.')[1]}"
 
 SRC_URI = "https://www.gnupg.org/ftp/gcrypt/gnutls/v${SHRT_VER}/gnutls-${PV}.tar.xz \
            file://arm_eabi.patch \
+           file://0001-Creating-.hmac-file-should-be-excuted-in-target-envi.patch \
            "
 
 SRC_URI[sha256sum] = "1f85028475b4f255cc5b480af0c37e61eab43024c1507c8b75d6be506c0553ad"
@@ -36,6 +37,7 @@ PACKAGECONFIG[libidn] = "--with-idn,--without-idn,libidn2"
 PACKAGECONFIG[libtasn1] = "--with-included-libtasn1=no,--with-included-libtasn1,libtasn1"
 PACKAGECONFIG[p11-kit] = "--with-p11-kit,--without-p11-kit,p11-kit"
 PACKAGECONFIG[tpm] = "--with-tpm,--without-tpm,trousers"
+PACKAGECONFIG[fips] = "--enable-fips140-mode --with-libdl-prefix=${STAGING_BASELIBDIR}"
 
 EXTRA_OECONF = " \
     --enable-doc \
@@ -59,10 +61,30 @@ do_configure:prepend() {
 	done
 }
 
-PACKAGES =+ "${PN}-openssl ${PN}-xx"
+do_install:append:class-target() {
+        if ${@bb.utils.contains('PACKAGECONFIG', 'fips', 'true', 'false', d)}; then
+          install -d ${D}${bindir}/bin
+          install -m 0755 ${B}/lib/.libs/fipshmac ${D}/${bindir}/
+        fi
+}
+
+PACKAGES =+ "${PN}-openssl ${PN}-xx ${PN}-fips"
 
 FILES:${PN}-dev += "${bindir}/gnutls-cli-debug"
 FILES:${PN}-openssl = "${libdir}/libgnutls-openssl.so.*"
 FILES:${PN}-xx = "${libdir}/libgnutlsxx.so.*"
+FILES:${PN}-fips = "${bindir}/fipshmac"
 
 BBCLASSEXTEND = "native nativesdk"
+
+pkg_postinst_ontarget:${PN}-fips () {
+    if test -x ${bindir}/fipshmac
+    then
+        mkdir ${sysconfdir}/gnutls
+        touch ${sysconfdir}/gnutls/config
+        ${bindir}/fipshmac ${libdir}/libgnutls.so.30.*.* > ${libdir}/.libgnutls.so.30.hmac
+        ${bindir}/fipshmac ${libdir}/libnettle.so.8.* > ${libdir}/.libnettle.so.8.hmac
+        ${bindir}/fipshmac ${libdir}/libgmp.so.10.*.* > ${libdir}/.libgmp.so.10.hmac
+        ${bindir}/fipshmac ${libdir}/libhogweed.so.6.* > ${libdir}/.libhogweed.so.6.hmac
+    fi
+}