File s390-tools-sles15sp1-0017-zkey-Add-build-depend... of Package s390-tools

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File s390-tools-sles15sp1-0017-zkey-Add-build-dependency-for-libcryptsetup-and-json.patch of Package s390-tools

Subject: zkey: Add build dependency for libcryptsetup and json-c
From: Ingo Franzki <ifranzki@linux.ibm.com>

Summary: zkey: Support CCA master key change with LUKS2 volumes using paes     
Description: Support the usage of protected key crypto for dm-crypt disks in
             LUKS2 format by providing a tool allowing to re-encipher a 
             secure LUKS2 volume key when the CCA master key is changed
Upstream-ID: 818ffbc4b05783851cc12682d3d8ad6b99312d63
Problem-ID:  SEC1424.1

Upstream-Description:

zkey: Add build dependency for libcryptsetup and json-c

The zkey-cryptsetup tool has a build dependency to
             libcryptsetup version 2.0.3 or later, and json-c.

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
             Reviewed-by: Hendrik Brueckner <brueckner@linux.ibm.com>
             Signed-off-by: Jan Höppner <hoeppner@linux.ibm.com>

Signed-off-by: Ingo Franzki <ifranzki@linux.ibm.com>
---
 README.md     |    9 ++++--
 common.mak    |    3 +-
 zkey/Makefile |   84 +++++++++++++++++++++++++++++++++++++++++++---------------
 3 files changed, 72 insertions(+), 24 deletions(-)

--- a/README.md
+++ b/README.md
@@ -264,6 +264,8 @@ build options:
 | pfm        | `HAVE_PFM`     | cpacfstats                            |
 | net-snmp   | `HAVE_SNMP`    | osasnmpd                              |
 | openssl    | `HAVE_OPENSSL` | zkey                                  |
+| cryptsetup | `HAVE_CRYPTSETUP2` | zkey-cryptsetup                   |
+| json-c     | `HAVE_JSONC`   | zkey-cryptsetup                       |
 
 This table lists additional build or install options:
 
@@ -369,8 +371,11 @@ the different tools are provided:
 
 * zkey:
   For building the zkey tools you need openssl version 0.9.7 or newer installed
-  (openssl-devel.rpm). Tip: you may skip the zkey build by adding
-  `HAVE_OPENSSL=0` to the make invocation.
+  (openssl-devel.rpm). Also required are cryptsetup version 2.0.3 or newer
+  (cryptsetup-devel.rpm), and json-c version 0.12 or newer (json-c-devel.rpm).
+  Tip: you may skip the zkey build by adding `HAVE_OPENSSL=0`, and you may
+  may skip the zkey-cryptsetup build by adding `HAVE_CRYPTSETUP2=0`, or
+  `HAVE_JSONC=0` to the make invocation.
   A new group 'zkeyadm' needs to be created and all users intending to use the
   tool must be added to this group. The owner of the default key repository
   '/etc/zkey/repository' must be set to group 'zkeyadm' with write permission
--- a/common.mak
+++ b/common.mak
@@ -113,9 +113,10 @@ DEFAULT_LDFLAGS = -rdynamic
 # $2: Name of include file to check
 # $3: Name of required devel package
 # $4: Option to skip build (e.g. HAVE_FUSE=0)
+# $5: Additional compiler & linker options (optional)
 #
 check_dep=\
-printf "\#include <%s>" $2 | ( $(CC) $(filter-out --coverage, $(ALL_CFLAGS)) $(ALL_CPPFLAGS) -c -o /dev/null -xc - ) > /dev/null 2>&1; \
+printf "\#include <%s>\n int main(void) {return 0;}" $2 | ( $(CC) $(filter-out --coverage, $(ALL_CFLAGS)) $(ALL_CPPFLAGS) $5 -o /dev/null -xc - ) > /dev/null 2>&1; \
 if [ $$? != 0 ]; \
 then \
 	printf "  REQCHK  %s (%s)\n" $1 $2; \
--- a/zkey/Makefile
+++ b/zkey/Makefile
@@ -1,54 +1,96 @@
 include ../common.mak
 
-ifeq (${HAVE_OPENSSL},0)
+ifneq (${HAVE_OPENSSL},0)
+	BUILD_TARGETS += zkey
+	INSTALL_TARGETS += install-zkey
+else
+	BUILD_TARGETS += zkey-skip
+	INSTALL_TARGETS += zkey-skip
+endif
 
-all:
-	$(SKIP) HAVE_OPENSSL=0
+ifneq (${HAVE_CRYPTSETUP2},0)
+	ifneq (${HAVE_JSONC},0)
+		BUILD_TARGETS += zkey-cryptsetup
+		INSTALL_TARGETS += install-zkey-cryptsetup
+	else
+		BUILD_TARGETS += zkey-cryptsetup-skip-jsonc
+		INSTALL_TARGETS += zkey-cryptsetup-skip-jsonc
+	endif
+else
+	BUILD_TARGETS += zkey-cryptsetup-skip-cryptsetup2
+	INSTALL_TARGETS += zkey-cryptsetup-skip-cryptsetup2
+endif
 
-install:
-	$(SKIP) HAVE_OPENSSL=0
+CPPFLAGS += -I../include
+LIBS = $(rootdir)/libutil/libutil.a
 
-else
+detect-libcryptsetup.h:
+	echo "#include <libcryptsetup.h>" > detect-libcryptsetup.h
+	echo "#ifndef CRYPT_LUKS2" >> detect-libcryptsetup.h
+	echo "  #error libcryptsetup version 2.0.3 is required" >> detect-libcryptsetup.h
+	echo "#endif" >> detect-libcryptsetup.h
+	echo "int i = CRYPT_SLOT_UNBOUND;" >> detect-libcryptsetup.h
 
-check_dep:
+check-dep-zkey:
 	$(call check_dep, \
 		"zkey", \
 		"openssl/evp.h", \
 		"openssl-devel", \
 		"HAVE_OPENSSL=0")
 
-CPPFLAGS += -I../include
+check-dep-zkey-cryptsetup: detect-libcryptsetup.h
+	$(call check_dep, \
+		"zkey-cryptsetup", \
+		"detect-libcryptsetup.h", \
+		"cryptsetup-devel version 2.0.3", \
+		"HAVE_CRYPTSETUP2=0", \
+		"-I.")
+	$(call check_dep, \
+		"zkey-cryptsetup", \
+		"json-c/json.h", \
+		"json-c-devel", \
+		"HAVE_JSONC=0")
+
+zkey-skip:
+	echo "  SKIP    zkey due to HAVE_OPENSSL=0"
+
+zkey-cryptsetup-skip-cryptsetup2:
+	echo "  SKIP    zkey-cryptsetup due to HAVE_CRYPTSETUP2=0"
 
-all: check_dep zkey zkey-cryptsetup
+zkey-cryptsetup-skip-jsonc:
+	echo "  SKIP    zkey-cryptsetup due to HAVE_JSONC=0"
 
-libs = $(rootdir)/libutil/libutil.a
+all: $(BUILD_TARGETS)
 
 zkey.o: zkey.c pkey.h misc.h
 pkey.o: pkey.c pkey.h
-properties.o: properties.c properties.h
+properties.o: check-dep-zkey properties.c properties.h
 keystore.o: keystore.c keystore.h properties.h
-zkey-cryptsetup.o: zkey-cryptsetup.c pkey.h misc.h
+zkey-cryptsetup.o: check-dep-zkey-cryptsetup zkey-cryptsetup.c pkey.h misc.h
 
 zkey: LDLIBS = -ldl -lcrypto
-zkey: zkey.o pkey.o properties.o keystore.o $(libs)
+zkey: zkey.o pkey.o properties.o keystore.o $(LIBS)
 
 zkey-cryptsetup: LDLIBS = -ldl -lcryptsetup -ljson-c
-zkey-cryptsetup: zkey-cryptsetup.o pkey.o $(libs)
+zkey-cryptsetup: zkey-cryptsetup.o pkey.o $(LIBS)
 
-
-install: all
+install-common:
 	$(INSTALL) -d -m 755 $(DESTDIR)$(USRBINDIR)
-	$(INSTALL) -g $(GROUP) -o $(OWNER) -m 755 zkey $(DESTDIR)$(USRBINDIR)
-	$(INSTALL) -g $(GROUP) -o $(OWNER) -m 755 zkey-cryptsetup $(DESTDIR)$(USRBINDIR)
 	$(INSTALL) -d -m 755 $(DESTDIR)$(MANDIR)/man1
+
+install-zkey:
+	$(INSTALL) -g $(GROUP) -o $(OWNER) -m 755 zkey $(DESTDIR)$(USRBINDIR)
 	$(INSTALL) -m 644 -c zkey.1 $(DESTDIR)$(MANDIR)/man1
-	$(INSTALL) -m 644 -c zkey-cryptsetup.1 $(DESTDIR)$(MANDIR)/man1
 	$(INSTALL) -d -m 770 $(DESTDIR)$(SYSCONFDIR)/zkey
 	$(INSTALL) -d -m 770 $(DESTDIR)$(SYSCONFDIR)/zkey/repository
 
-endif
+install-zkey-cryptsetup:
+	$(INSTALL) -g $(GROUP) -o $(OWNER) -m 755 zkey-cryptsetup $(DESTDIR)$(USRBINDIR)
+	$(INSTALL) -m 644 -c zkey-cryptsetup.1 $(DESTDIR)$(MANDIR)/man1
+
+install: all install-common $(INSTALL_TARGETS)
 
 clean:
-	rm -f *.o zkey zkey-cryptsetup
+	rm -f *.o zkey zkey-cryptsetup detect-libcryptsetup.h
 
 .PHONY: all install clean

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File s390-tools-sles15sp1-0017-zkey-Add-build-dependency-for-libcryptsetup-and-json.patch of Package s390-tools

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