buildroot/package/dropbear/dropbear.mk

142 lines
4.9 KiB
Makefile

################################################################################
#
# dropbear
#
################################################################################
DROPBEAR_VERSION = 2022.83
DROPBEAR_SITE = https://matt.ucc.asn.au/dropbear/releases
DROPBEAR_SOURCE = dropbear-$(DROPBEAR_VERSION).tar.bz2
DROPBEAR_LICENSE = MIT, BSD-2-Clause, Public domain
DROPBEAR_LICENSE_FILES = LICENSE
DROPBEAR_TARGET_BINS = dropbearkey dropbearconvert scp
DROPBEAR_PROGRAMS = dropbear $(DROPBEAR_TARGET_BINS)
DROPBEAR_CPE_ID_VENDOR = dropbear_ssh_project
DROPBEAR_CPE_ID_PRODUCT = dropbear_ssh
# 0001-Implement-Strict-KEX-mode.patch
DROPBEAR_IGNORE_CVES += CVE-2023-48795
# Disable hardening flags added by dropbear configure.ac, and let
# Buildroot add them when the relevant options are enabled. This
# prevents dropbear from using SSP support when not available.
DROPBEAR_CONF_OPTS = --disable-harden
ifeq ($(BR2_PACKAGE_DROPBEAR_CLIENT),y)
# Build dbclient, and create a convenience symlink named ssh
DROPBEAR_PROGRAMS += dbclient
DROPBEAR_TARGET_BINS += dbclient ssh
endif
DROPBEAR_MAKE = \
$(MAKE) MULTI=1 SCPPROGRESS=1 \
PROGRAMS="$(DROPBEAR_PROGRAMS)"
# With BR2_SHARED_STATIC_LIBS=y the generic infrastructure adds a
# --enable-static flags causing dropbear to be built as a static
# binary. Adding a --disable-static reverts this
ifeq ($(BR2_SHARED_STATIC_LIBS),y)
DROPBEAR_CONF_OPTS += --disable-static
endif
ifeq ($(BR2_PACKAGE_LINUX_PAM),y)
define DROPBEAR_SVR_PAM_AUTH
echo '#define DROPBEAR_SVR_PASSWORD_AUTH 0' >> $(@D)/localoptions.h
echo '#define DROPBEAR_SVR_PAM_AUTH 1' >> $(@D)/localoptions.h
endef
define DROPBEAR_INSTALL_PAM_CONF
$(INSTALL) -D -m 644 package/dropbear/etc-pam.d-sshd $(TARGET_DIR)/etc/pam.d/sshd
endef
DROPBEAR_DEPENDENCIES += linux-pam
DROPBEAR_CONF_OPTS += --enable-pam
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_SVR_PAM_AUTH
DROPBEAR_POST_INSTALL_TARGET_HOOKS += DROPBEAR_INSTALL_PAM_CONF
else
# Ensure that dropbear doesn't use crypt() when it's not available
define DROPBEAR_SVR_PASSWORD_AUTH
echo '#if !HAVE_CRYPT' >> $(@D)/localoptions.h
echo '#define DROPBEAR_SVR_PASSWORD_AUTH 0' >> $(@D)/localoptions.h
echo '#endif' >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_SVR_PASSWORD_AUTH
endif
ifeq ($(BR2_PACKAGE_DROPBEAR_LEGACY_CRYPTO),y)
define DROPBEAR_ENABLE_LEGACY_CRYPTO
echo '#define DROPBEAR_3DES 1' >> $(@D)/localoptions.h
echo '#define DROPBEAR_ENABLE_CBC_MODE 1' >> $(@D)/localoptions.h
echo '#define DROPBEAR_SHA1_96_HMAC 1' >> $(@D)/localoptions.h
echo '#define DROPBEAR_DH_GROUP1 1' >> $(@D)/localoptions.h
echo '#define DROPBEAR_DSS 1' >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_ENABLE_LEGACY_CRYPTO
endif
ifeq ($(BR2_PACKAGE_DROPBEAR_DISABLE_REVERSEDNS),)
define DROPBEAR_ENABLE_REVERSE_DNS
echo '#define DO_HOST_LOOKUP 1' >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_ENABLE_REVERSE_DNS
endif
ifeq ($(BR2_PACKAGE_DROPBEAR_SMALL),y)
DROPBEAR_LICENSE += , Unlicense, WTFPL
DROPBEAR_LICENSE_FILES += libtommath/LICENSE libtomcrypt/LICENSE
DROPBEAR_CONF_OPTS += --disable-zlib --enable-bundled-libtom
else
define DROPBEAR_BUILD_FEATURED
echo '#define DROPBEAR_SMALL_CODE 0' >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_BUILD_FEATURED
DROPBEAR_DEPENDENCIES += zlib libtomcrypt
DROPBEAR_CONF_OPTS += --disable-bundled-libtom
endif
define DROPBEAR_CUSTOM_PATH
echo '#define DEFAULT_PATH $(BR2_SYSTEM_DEFAULT_PATH)' >>$(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_CUSTOM_PATH
define DROPBEAR_INSTALL_INIT_SYSTEMD
$(INSTALL) -D -m 644 package/dropbear/dropbear.service \
$(TARGET_DIR)/usr/lib/systemd/system/dropbear.service
endef
ifeq ($(BR2_USE_MMU),y)
define DROPBEAR_INSTALL_INIT_SYSV
$(INSTALL) -D -m 755 package/dropbear/S50dropbear \
$(TARGET_DIR)/etc/init.d/S50dropbear
endef
else
define DROPBEAR_DISABLE_STANDALONE
echo '#define NON_INETD_MODE 0' >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_DISABLE_STANDALONE
endif
ifneq ($(BR2_PACKAGE_DROPBEAR_WTMP),y)
DROPBEAR_CONF_OPTS += --disable-wtmp
endif
ifneq ($(BR2_PACKAGE_DROPBEAR_LASTLOG),y)
DROPBEAR_CONF_OPTS += --disable-lastlog
endif
DROPBEAR_LOCALOPTIONS_FILE = $(call qstrip,$(BR2_PACKAGE_DROPBEAR_LOCALOPTIONS_FILE))
ifneq ($(DROPBEAR_LOCALOPTIONS_FILE),)
define DROPBEAR_APPEND_LOCALOPTIONS_FILE
cat $(DROPBEAR_LOCALOPTIONS_FILE) >> $(@D)/localoptions.h
endef
DROPBEAR_POST_EXTRACT_HOOKS += DROPBEAR_APPEND_LOCALOPTIONS_FILE
endif
define DROPBEAR_INSTALL_TARGET_CMDS
$(INSTALL) -m 755 $(@D)/dropbearmulti $(TARGET_DIR)/usr/sbin/dropbear
for f in $(DROPBEAR_TARGET_BINS); do \
ln -snf ../sbin/dropbear $(TARGET_DIR)/usr/bin/$$f ; \
done
ln -snf /var/run/dropbear $(TARGET_DIR)/etc/dropbear
endef
$(eval $(autotools-package))