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dropbear: allow more complex configuration

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- switch DB_OPT_COMMON and DB_OPT_CONFIG to comma-separated lists:
  this allows to have values with "|" in DB_OPT_COMMON and DB_OPT_CONFIG
  which is more likely to be than values with commas;
  use $(comma) variable for values with commas.
- sort DB_OPT_COMMON and DB_OPT_CONFIG to have "overrides" on top of list.
- allow DB_OPT_COMMON to have values with commas.
- allow to replace multiline definitions in sysoptions.h.

improves e1bd9645

Signed-off-by: Konstantin Demin <rockdrilla@gmail.com>
This commit is contained in:
Konstantin Demin 2024-01-09 03:40:01 +03:00 committed by Rui Salvaterra
parent b5cde26048
commit f2b2293663
1 changed files with 32 additions and 30 deletions
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62
package/network/services/dropbear/Makefile
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@ -99,8 +99,8 @@ CONFIGURE_ARGS += \
##############################################################################
#
# option|value - add option to localoptions.h
# !!option|value - replace option in sysoptions.h
# option,value - add option to localoptions.h
# !!option,value - replace option in sysoptions.h
#
##############################################################################
@ -111,63 +111,65 @@ CONFIGURE_ARGS += \
# - DROPBEAR_DSS
# - DO_MOTD
DB_OPT_COMMON = \
DEFAULT_PATH|"$(TARGET_INIT_PATH)" \
!!LOCAL_IDENT|"SSH-2.0-dropbear" \
DROPBEAR_CLI_NETCAT|0 \
DROPBEAR_DSS|0 \
DO_MOTD|0 \
!!LOCAL_IDENT,"SSH-2.0-dropbear" \
DEFAULT_PATH,"$(TARGET_INIT_PATH)" \
DROPBEAR_DSS,0 \
DROPBEAR_CLI_NETCAT,0 \
DO_MOTD,0 \
##############################################################################
#
# option|config|enabled|disabled = add option to localoptions.h
# !!option|config|enabled|disabled = replace option in sysoptions.h
# option,config,enabled,disabled = add option to localoptions.h
# !!option,config,enabled,disabled = replace option in sysoptions.h
#
# option := (config) ? enabled : disabled
#
##############################################################################
DB_OPT_CONFIG = \
DROPBEAR_CURVE25519|CONFIG_DROPBEAR_CURVE25519|1|0 \
DROPBEAR_ED25519|CONFIG_DROPBEAR_ED25519|1|0 \
DROPBEAR_SK_ED25519|CONFIG_DROPBEAR_ED25519|1|0 \
DROPBEAR_CHACHA20POLY1305|CONFIG_DROPBEAR_CHACHA20POLY1305|1|0 \
DROPBEAR_ECDSA|CONFIG_DROPBEAR_ECC|1|0 \
DROPBEAR_SK_ECDSA|CONFIG_DROPBEAR_ECC|1|0 \
DROPBEAR_ECDH|CONFIG_DROPBEAR_ECC|1|0 \
!!DROPBEAR_ECC_384|CONFIG_DROPBEAR_ECC_FULL|1|0 \
!!DROPBEAR_ECC_521|CONFIG_DROPBEAR_ECC_FULL|1|0 \
DROPBEAR_CLI_ASKPASS_HELPER|CONFIG_DROPBEAR_ASKPASS|1|0 \
DROPBEAR_CLI_AGENTFWD|CONFIG_DROPBEAR_DBCLIENT_AGENTFORWARD|1|0 \
DROPBEAR_SVR_AGENTFWD|CONFIG_DROPBEAR_AGENTFORWARD|1|0 \
!!DROPBEAR_ECC_384,CONFIG_DROPBEAR_ECC_FULL,1,0 \
!!DROPBEAR_ECC_521,CONFIG_DROPBEAR_ECC_FULL,1,0 \
DROPBEAR_CURVE25519,CONFIG_DROPBEAR_CURVE25519,1,0 \
DROPBEAR_CHACHA20POLY1305,CONFIG_DROPBEAR_CHACHA20POLY1305,1,0 \
DROPBEAR_ED25519,CONFIG_DROPBEAR_ED25519,1,0 \
DROPBEAR_SK_ED25519,CONFIG_DROPBEAR_ED25519,1,0 \
DROPBEAR_ECDSA,CONFIG_DROPBEAR_ECC,1,0 \
DROPBEAR_SK_ECDSA,CONFIG_DROPBEAR_ECC,1,0 \
DROPBEAR_ECDH,CONFIG_DROPBEAR_ECC,1,0 \
DROPBEAR_CLI_ASKPASS_HELPER,CONFIG_DROPBEAR_ASKPASS,1,0 \
DROPBEAR_CLI_AGENTFWD,CONFIG_DROPBEAR_DBCLIENT_AGENTFORWARD,1,0 \
DROPBEAR_SVR_AGENTFWD,CONFIG_DROPBEAR_AGENTFORWARD,1,0 \
TARGET_CFLAGS += -DARGTYPE=3
xsedx:=$(shell printf '\027')
db_opt_add =echo '\#define $(1) $(2)' >> $(PKG_BUILD_DIR)/localoptions.h
db_opt_replace =$(ESED) 's,^(\#define $(1)) .*$$$$,\1 $(2),g' $(PKG_BUILD_DIR)/sysoptions.h
db_opt_replace =$(ESED) '/^\#define $(1) .*$$$$/{h;:a;$$$$!n;/^\#.+$$$$/bb;/^$$$$/bb;H;ba;:b;x;s$(xsedx)^.+$$$$$(xsedx)\#define $(1) $(2)$(xsedx)p;x};p' -n $(PKG_BUILD_DIR)/sysoptions.h
define Build/Configure/dropbear_headers
$(strip $(foreach s,$(DB_OPT_COMMON), \
$(if $(filter !!%,$(word 1,$(subst |, ,$(s)))), \
$(call db_opt_replace,$(patsubst !!%,%,$(word 1,$(subst |, ,$(s)))),$(word 2,$(subst |, ,$(s)))), \
$(call db_opt_add,$(word 1,$(subst |, ,$(s))),$(word 2,$(subst |, ,$(s)))) \
$(if $(filter !!%,$(word 1,$(subst $(comma),$(space),$(s)))), \
$(call db_opt_replace,$(patsubst !!%,%,$(word 1,$(subst $(comma),$(space),$(s)))),$(subst $(space),$(comma),$(wordlist 2,$(words $(subst $(comma),$(space),$(s))),$(subst $(comma),$(space),$(s))))), \
$(call db_opt_add,$(word 1,$(subst $(comma),$(space),$(s))),$(subst $(space),$(comma),$(wordlist 2,$(words $(subst $(comma),$(space),$(s))),$(subst $(comma),$(space),$(s))))) \
) ; \
))
$(strip $(foreach s,$(DB_OPT_CONFIG), \
$(if $(filter !!%,$(word 1,$(subst |, ,$(s)))), \
$(call db_opt_replace,$(patsubst !!%,%,$(word 1,$(subst |, ,$(s)))),$(if $($(word 2,$(subst |, ,$(s)))),$(word 3,$(subst |, ,$(s))),$(word 4,$(subst |, ,$(s))))), \
$(call db_opt_add,$(word 1,$(subst |, ,$(s))),$(if $($(word 2,$(subst |, ,$(s)))),$(word 3,$(subst |, ,$(s))),$(word 4,$(subst |, ,$(s))))) \
$(if $(filter !!%,$(word 1,$(subst $(comma),$(space),$(s)))), \
$(call db_opt_replace,$(patsubst !!%,%,$(word 1,$(subst $(comma),$(space),$(s)))),$(if $($(word 2,$(subst $(comma),$(space),$(s)))),$(word 3,$(subst $(comma),$(space),$(s))),$(word 4,$(subst $(comma),$(space),$(s))))), \
$(call db_opt_add,$(word 1,$(subst $(comma),$(space),$(s))),$(if $($(word 2,$(subst $(comma),$(space),$(s)))),$(word 3,$(subst $(comma),$(space),$(s))),$(word 4,$(subst $(comma),$(space),$(s))))) \
) ; \
))
endef
define Build/Configure
: > $(PKG_BUILD_DIR)/localoptions.h
rm -f $(PKG_BUILD_DIR)/localoptions.h
$(Build/Configure/Default)
: > $(PKG_BUILD_DIR)/localoptions.h
$(Build/Configure/dropbear_headers)
# Enforce rebuild of svr-chansession.c