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dropbear: rework recipes that configure build

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- add two helper functions to avoid mistakes with
  choice of correct header file to work with
- update rules accordingly

Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>
This commit is contained in:
Konstantin Demin 2020-11-25 07:33:25 +03:00 committed by Petr Štetiar
parent 42eff7c7e6
commit 79d5c24724
1 changed files with 17 additions and 22 deletions
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39
package/network/services/dropbear/Makefile
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@ -99,43 +99,38 @@ CONFIGURE_ARGS += \
TARGET_CFLAGS += -DARGTYPE=3 -ffunction-sections -fdata-sections -flto
TARGET_LDFLAGS += -Wl,--gc-sections -flto=jobserver
db_opt_add =echo '\#define $(1) $(2)' >> $(PKG_BUILD_DIR)/localoptions.h
db_opt_replace =$(ESED) 's,^(\#define $(1)) .*$$$$,\1 $(2),g' $(PKG_BUILD_DIR)/sysoptions.h
define Build/Configure
: > $(PKG_BUILD_DIR)/localoptions.h
$(Build/Configure/Default)
echo '#define DEFAULT_PATH "$(TARGET_INIT_PATH)"' >> \
$(PKG_BUILD_DIR)/localoptions.h
$(call db_opt_add,DEFAULT_PATH,"$(TARGET_INIT_PATH)")
# remove protocol idented software version number
$(ESED) 's,^(#define LOCAL_IDENT) .*$$$$,\1 "SSH-2.0-dropbear",g' \
$(PKG_BUILD_DIR)/sysoptions.h
$(call db_opt_replace,LOCAL_IDENT,"SSH-2.0-dropbear")
# disable legacy/unsafe methods and unused functionality
for OPTION in INETD_MODE DROPBEAR_CLI_NETCAT DROPBEAR_DSS DO_MOTD ; do \
echo "#define $$$$OPTION 0" >> \
$(PKG_BUILD_DIR)/localoptions.h; \
done
$(foreach opt,INETD_MODE DROPBEAR_CLI_NETCAT DROPBEAR_DSS DO_MOTD, \
$(call db_opt_add,$(opt),0) ; \
)
echo '#define DROPBEAR_CURVE25519 $(if $(CONFIG_DROPBEAR_CURVE25519),1,0)' >> \
$(PKG_BUILD_DIR)/localoptions.h
$(call db_opt_add,DROPBEAR_CURVE25519,$(if $(CONFIG_DROPBEAR_CURVE25519),1,0))
echo '#define DROPBEAR_ED25519 $(if $(CONFIG_DROPBEAR_ED25519),1,0)' >> \
$(PKG_BUILD_DIR)/localoptions.h
$(call db_opt_add,DROPBEAR_ED25519,$(if $(CONFIG_DROPBEAR_ED25519),1,0))
echo '#define DROPBEAR_CHACHA20POLY1305 $(if $(CONFIG_DROPBEAR_CHACHA20POLY1305),1,0)' >> \
$(PKG_BUILD_DIR)/localoptions.h
$(call db_opt_add,DROPBEAR_CHACHA20POLY1305,$(if $(CONFIG_DROPBEAR_CHACHA20POLY1305),1,0))
for OPTION in DROPBEAR_ECDSA DROPBEAR_ECDH; do \
echo "#define $$$$OPTION $(if $(CONFIG_DROPBEAR_ECC),1,0)" >> \
$(PKG_BUILD_DIR)/localoptions.h; \
done
$(foreach opt,DROPBEAR_ECDSA DROPBEAR_ECDH, \
$(call db_opt_add,$(opt),$(if $(CONFIG_DROPBEAR_ECC),1,0)) ; \
)
# enable nistp384 and nistp521 only if full ECC support was requested
for OPTION in DROPBEAR_ECC_384 DROPBEAR_ECC_521; do \
$(ESED) 's,^(#define '$$$$OPTION') .*$$$$,\1 $(if $(CONFIG_DROPBEAR_ECC_FULL),1,0),g' \
$(PKG_BUILD_DIR)/sysoptions.h; \
done
$(foreach opt,DROPBEAR_ECC_384 DROPBEAR_ECC_521, \
$(call db_opt_replace,$(opt),$(if $(CONFIG_DROPBEAR_ECC_FULL),1,0)) ; \
)
# Enforce rebuild of svr-chansession.c
rm -f $(PKG_BUILD_DIR)/svr-chansession.o