opkg: drop S/MIME support

It has never been used by default (due to being too bloated), and it is
properly replaced by usign (which has been the default for a long time
now).

Remove this feature to simplify the build system

Signed-off-by: Felix Fietkau <nbd@nbd.name>

package/Makefile

@@ -74,15 +74,6 @@ $(curdir)/install: $(TMP_DIR)/.build $(curdir)/system/opkg/host/install $(curdir
 
 	$(call prepare_rootfs,$(TARGET_DIR))
 
-PASSOPT=""
-PASSARG=""
-ifndef CONFIG_OPKGSMIME_PASSPHRASE
-  ifneq ($(call qstrip,$(CONFIG_OPKGSMIME_PASSFILE)),)
-    PASSOPT="-passin"
-    PASSARG="file:$(call qstrip,$(CONFIG_OPKGSMIME_PASSFILE))"
-  endif
-endif
-
 $(curdir)/index: FORCE
 	@echo Generating package index...
 	@for d in $(PACKAGE_SUBDIRS); do ( \
@@ -99,25 +90,6 @@ ifdef CONFIG_SIGNED_PACKAGES
 			cd $$d || continue; \
 		$(STAGING_DIR_HOST)/bin/usign -S -m Packages -s $(BUILD_KEY); \
 	); done
-else
-ifeq ($(call qstrip,$(CONFIG_OPKGSMIME_KEY)),)
-	@echo Signing key has not been configured
-else
-ifeq ($(call qstrip,$(CONFIG_OPKGSMIME_CERT)),)
-	@echo Certificate has not been configured
-else
-	@echo Signing package index...
-	@for d in $(PACKAGE_SUBDIRS); do ( \
-		[ -d $$d ] && \
-			cd $$d || continue; \
-		openssl smime -binary -in Packages.gz \
-			-out Packages.sig -outform PEM -sign \
-			-signer $(CONFIG_OPKGSMIME_CERT) \
-			-inkey $(CONFIG_OPKGSMIME_KEY) \
-			$(PASSOPT) $(PASSARG); \
-	); done
-endif
-endif
 endif
 
 $(curdir)/preconfig:

package/base-files/image-config.in

@@ -292,42 +292,3 @@ menuconfig PER_FEED_REPO
 		  Add not enabled feeds as commented out source lines to opkg.conf.
 
 source "tmp/.config-feeds.in"
-
-
-menuconfig SMIMEOPT
-	bool "Package signing options" if IMAGEOPT
-        default n
-	help
-		These options configure the signing key and certificate to
-		be used for signing and verifying packages.
-
-	config OPKGSMIME_CERT
-		string
-		prompt "Path to certificate (PEM certificate format)" if SMIMEOPT
-		help
-		  Path to the certificate to use for signature verification
-
-	config OPKGSMIME_KEY
-		string
-		prompt "Path to signing key (PEM private key format)" if SMIMEOPT
-		help
-		  Path to the key to use for signing packages
-
-	config OPKGSMIME_PASSPHRASE
-		bool
-		default y
-		prompt "Wait for a passphrase when signing packages?" if SMIMEOPT
-		help
-		  If this value is set, then the build will pause and request a passphrase
-                  from the command line when signing packages. This SHOULD NOT be used with
-                  automatic builds. If this value is not set, a file can be specified from
-                  which the passphrase will be read.
-
-	config OPKGSMIME_PASSFILE
-		string
-		prompt "Path to a file containing the passphrase" if SMIMEOPT
-                depends on !OPKGSMIME_PASSPHRASE
-		help
-		  Path to a file containing the passphrase for the signing key.
-                  If the signing key is not encrypted and does not require a passphrase,
-                  this option may be left blank.

package/system/opkg/Makefile

@@ -37,7 +37,7 @@ PKG_INSTALL:=1
 include $(INCLUDE_DIR)/package.mk
 include $(INCLUDE_DIR)/host-build.mk
 
-define Package/opkg/Default
+define Package/opkg
   SECTION:=base
   CATEGORY:=Base system
   TITLE:=opkg package manager
@@ -46,7 +46,7 @@ define Package/opkg/Default
   MENU:=1
 endef
 
-define Package/opkg/Default/description
+define Package/opkg/description
   Lightweight package management system
   opkg is the opkg Package Management System, for handling
   installation and removal of packages on a system. It can
@@ -66,47 +66,12 @@ config OPKG_SUPPORT_MD5
 	Old opkg used md5s, new uses sha. This options enables understanding both while prefering sha.
 endef
 
-define Package/opkg
-  $(call Package/opkg/Default)
-  VARIANT:=unsigned
-endef
-
-define Package/opkg/description
-  $(call Package/opkg/Default/description)
-endef
-
 define Package/opkg/conffiles
 /etc/opkg.conf
 /etc/opkg/keys/
 /etc/opkg/customfeeds.conf
 endef
 
-
-define Package/opkg-smime
-  $(call Package/opkg/Default)
-  TITLE+= (with S/MIME signature support)
-  DEPENDS+=+PACKAGE_opkg-smime:libopenssl
-  VARIANT:=smime
-endef
-
-define Package/opkg-smime/description
-  $(call Package/opkg/Default/description)
-
-  This package allows the Package index to be verified with S/MIME.
-endef
-
-define Package/opkg-smime/config
-config OPKG_SMIME_SUPPORT_MD5
-  bool
-  default n
-  depends on PACKAGE_opkg-smime
-  prompt "Support reading old md5 hashes."
-  help
-	Old opkg used md5s, new uses sha. This options enables understanding both while prefering sha.
-endef
-
-Package/opkg-smime/conffiles = $(Package/opkg/conffiles)
-
 TARGET_CFLAGS += -ffunction-sections -fdata-sections
 EXTRA_CFLAGS += $(TARGET_CPPFLAGS)
 
@@ -117,22 +82,13 @@ CONFIGURE_ARGS += \
 	--with-opkgetcdir=/etc \
 	--with-opkglockfile=/var/lock/opkg.lock
 
-ifeq ($(BUILD_VARIANT),smime)
-  CONFIGURE_ARGS += --enable-openssl --disable-usign
-  ifeq ($(CONFIG_OPKG_SMIME_SUPPORT_MD5),y)
-    CONFIGURE_ARGS += --enable-md5
-  else
-    CONFIGURE_ARGS += --disable-md5
-  endif
+ifndef CONFIG_SIGNED_PACKAGES
+  CONFIGURE_ARGS += --disable-usign
+endif
+ifeq ($(CONFIG_OPKG_SUPPORT_MD5),y)
+  CONFIGURE_ARGS += --enable-md5
 else
-  ifndef CONFIG_SIGNED_PACKAGES
-    CONFIGURE_ARGS += --disable-usign
-  endif
-  ifeq ($(CONFIG_OPKG_SUPPORT_MD5),y)
-    CONFIGURE_ARGS += --enable-md5
-  else
-    CONFIGURE_ARGS += --disable-md5
-  endif
+  CONFIGURE_ARGS += --disable-md5
 endif
 
 MAKE_FLAGS = \
@@ -163,12 +119,6 @@ define Package/opkg/install
 	$(INSTALL_BIN) ./files/opkg-key $(1)/usr/sbin/
 endef
 
-define Package/opkg-smime/install
-	$(call Package/opkg/Default/install,$(1),-smime)
-	$(INSTALL_DIR) $(1)/etc/ssl/certs
-	$(if $(CONFIG_OPKGSMIME_CERT),$(INSTALL_DATA) $(call qstrip,$(CONFIG_OPKGSMIME_CERT)) $(1)/etc/ssl/certs/opkg.pem,)
-endef
-
 define Build/InstallDev
 	mkdir -p $(1)/usr/include
 	$(CP) $(PKG_INSTALL_DIR)/usr/include/libopkg $(1)/usr/include/
@@ -191,5 +141,4 @@ define Host/Install
 endef
 
 $(eval $(call BuildPackage,opkg))
-$(eval $(call BuildPackage,opkg-smime))
 $(eval $(call HostBuild))