From dc97ffb40eb16408585cb4a0a3c5a0e60bb67af6 Mon Sep 17 00:00:00 2001
From: Vincent Li <vincent.mc.li@gmail.com>
Date: Sun, 15 Sep 2024 18:36:47 +0000
Subject: [PATCH] lunatik: Unknown symbol in module

lunatik requires lunatik_sym.h before build
generate the symbols in chroot build.

remove lunatik_sym.h in origin lunatik source Makefile

root@r210:/home/vincent/go/src/github.com/vincentmli/BPFire/cache/lunatik-5.3.2# git diff
diff --git a/Makefile b/Makefile
index ec172541..1c72f3e1 100644
--- a/Makefile
+++ b/Makefile
@@ -3,14 +3,14 @@

 MODULES_INSTALL_PATH = /lib/modules/${shell uname -r}
 SCRIPTS_INSTALL_PATH = /lib/modules/lua
-LUNATIK_INSTALL_PATH = /usr/local/sbin
-LUA_API = lua/lua.h lua/lauxlib.h lua/lualib.h
+LUNATIK_INSTALL_PATH = /usr/sbin
+LUNATIK_EBPF_INSTALL_PATH = /usr/lib/bpf
 KDIR ?= ${MODULES_INSTALL_PATH}/build
 RM = rm -f
 MKDIR = mkdir -p -m 0755
 INSTALL = install -o root -g root

-all: lunatik_sym.h
+all:
        ${MAKE} -C ${KDIR} M=${PWD} CONFIG_LUNATIK=m    \
        CONFIG_LUNATIK_RUN=m CONFIG_LUNATIK_RUNTIME=y CONFIG_LUNATIK_DEVICE=m   \
        CONFIG_LUNATIK_LINUX=m CONFIG_LUNATIK_NOTIFIER=m CONFIG_LUNATIK_SOCKET=m \
@@ -46,6 +46,7 @@ examples_install:
        ${INSTALL} -m 0644 examples/echod/*.lua ${SCRIPTS_INSTALL_PATH}/examples/echod
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/filter
        ${INSTALL} -m 0644 examples/filter/*.lua ${SCRIPTS_INSTALL_PATH}/examples/filter
+       ${INSTALL} -m 0644 examples/filter/*.o ${LUNATIK_EBPF_INSTALL_PATH}
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/dnsblock
        ${INSTALL} -m 0644 examples/dnsblock/*.lua ${SCRIPTS_INSTALL_PATH}/examples/dnsblock
        ${MKDIR} ${SCRIPTS_INSTALL_PATH}/examples/dnsdoctor
@@ -69,7 +70,3 @@ install: scripts_install modules_install

 uninstall: scripts_uninstall modules_uninstall
        depmod -a
-
-lunatik_sym.h: $(LUA_API)
-       ${shell ./gensymbols.sh $(LUA_API) > lunatik_sym.h}
-

Signed-off-by: Vincent Li <vincent.mc.li@gmail.com>
---
 config/rootfiles/common/lunatik | 1 +
 lfs/lunatik                     | 6 ++++--
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/config/rootfiles/common/lunatik b/config/rootfiles/common/lunatik
index 47c0a264c..78ac290e1 100644
--- a/config/rootfiles/common/lunatik
+++ b/config/rootfiles/common/lunatik
@@ -44,3 +44,4 @@ lib/modules/lua/socket/inet.lua
 lib/modules/lua/syscall
 lib/modules/lua/syscall/table.lua
 usr/sbin/lunatik
+usr/lib/bpf/https.o
diff --git a/lfs/lunatik b/lfs/lunatik
index 4969d16f9..6fed6cfab 100644
--- a/lfs/lunatik
+++ b/lfs/lunatik
@@ -41,7 +41,7 @@ objects = $(DL_FILE)
 
 $(DL_FILE) = $(DL_FROM)/$(DL_FILE)
 
-$(DL_FILE)_BLAKE2 = ea116236c073b038bedc1c1c3a61b1eff7e4dc9fed105fdf469190002ff54b45216fc84a4a7257bf12e8adb5207c7c93aab32e017d64ab522c91cca131ac86d6
+$(DL_FILE)_BLAKE2 = 96bee0f721e4098cf8523134a325290272cc4e99583bbdd775594b1ff38119e8cafa431987e570994dc69f2a45c2a78d298029eb29da457401e2c5993a0edb6f
 
 install : $(TARGET)
 
@@ -72,11 +72,13 @@ $(TARGET) : $(patsubst %,$(DIR_DL)/%,$(objects))
 	@$(PREBUILD)
 	@rm -rf $(DIR_APP) && cd $(DIR_SRC) && tar zxf $(DIR_DL)/$(DL_FILE)
 
+	#generate lunatik symbols before build
+	cd $(DIR_APP) && ./gensymbols.sh lua/lua.h lua/lauxlib.h lua/lualib.h > lunatik_sym.h
 	cd $(DIR_APP) && make btf_install
 	cd $(DIR_APP) && make
 	cd $(DIR_APP) && make install
-	cd $(DIR_APP) && make examples_install
 	cd $(DIR_APP)/examples/filter && make
+	cd $(DIR_APP) && make examples_install
 
 	@rm -rf $(DIR_APP)
 	@$(POSTBUILD)