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kernel: phase out devpts_hook

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* Since it's interceptable from LSM Hook,
then we just need to remove ksu_handle_devpts and
make a decoy for it.

Signed-off-by: rsuntk <rsuntk@yukiprjkt.my.id>
This commit is contained in:
rsuntk
2025-06-25 14:53:34 +07:00
committed by ShirkNeko
parent f1ba7127b8
commit f820b9aaa8
3 changed files with 20 additions and 28 deletions
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14
kernel/Makefile
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@@ -99,20 +99,6 @@ ifeq ($(shell grep -q "int\s\+path_umount" $(srctree)/fs/namespace.c; echo $$?),
ccflags-y += -DKSU_HAS_PATH_UMOUNT
endif
# we have pts_unix98/devpts_get_priv hook compat !!
KSU_HAS_DEVPTS_INODE := $(shell grep -q "ksu_handle_devpts" $(srctree)/fs/devpts/inode.c; echo $$?)
KSU_HAS_PTS_UNIX98 := $(shell grep -q "ksu_handle_devpts" $(srctree)/drivers/tty/pty.c; echo $$?)
# Codes:
# - 0: Both of them exist (impossible)
# - 1: Neither fs/devpts/inode.c or drivers/tty/pty.c have ksu_handle_devpts
# - 2: Both of them did not exist
$(eval KSU_DEVPTS_HANDLER_EXIST=$(shell expr $(KSU_HAS_DEVPTS_INODE) + $(KSU_HAS_PTS_UNIX98)))
ifeq ($(KSU_DEVPTS_HANDLER_EXIST),1)
$(info -- KernelSU: Kernel have devpts handler)
ccflags-y += -DKSU_HAS_DEVPTS_HANDLER
endif
# Checks Samsung UH drivers
ifeq ($(shell grep -q "CONFIG_KDP_CRED" $(srctree)/kernel/cred.c; echo $$?),0)
ccflags-y += -DSAMSUNG_UH_DRIVER_EXIST