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有谁知道在从源代码(AOSP)构建 android 时如何包含超级用户权限?

4

1 回答 1

12

要获得 root(ed) shell,请在 android 源代码中编辑system/core/rootdir或与您的设备(例如device/ti/panda/init.rcpandaboard)关联的 init.rc,然后更改这些行:

service console /system/bin/sh
    class core
    console
    disabled
    user shell
    group log

进入:

service console /system/bin/sh
    class core
    console
    disabled
    user root 
    group root

要将 Superuser.apk 嵌入 AOSP,您必须获取并构建:

  1. 子二进制(例如 in external/)和存根/删除system/extras/su包。
  2. 超级用户(例如 in packages/app/

您可能还需要/system/xbin/su在 su-binary/Android.mk 中设置粘性位。例如,我使用了以下 makefile:

LOCAL_PATH := $(call my-dir)
include $(CLEAR_VARS)

LOCAL_MODULE := su
LOCAL_SRC_FILES := su.c db.c activity.cpp

SU_SHARED_LIBRARIES := liblog libsqlite
ifeq ($(PLATFORM_SDK_VERSION),4)
    LOCAL_CFLAGS += -DSU_LEGACY_BUILD
    SU_SHARED_LIBRARIES += libandroid_runtime
else
    SU_SHARED_LIBRARIES += libcutils libbinder libutils
    LOCAL_MODULE_TAGS := eng
endif

LOCAL_C_INCLUDES += external/sqlite/dist

LOCAL_SHARED_LIBRARIES := $(SU_SHARED_LIBRARIES)

LOCAL_MODULE_PATH := $(TARGET_OUT_OPTIONAL_EXECUTABLES)


SU_INSTALL_DIR := $(TARGET_OUT)/xbin
SU_BINARY := $(SU_INSTALL_DIR)/su
# taken from busybox-android
$(SU_BINARY)-post: su
    @echo "Setting SUID/GUID to su-binary..."
    chmod ug+s $(TARGET_OUT_OPTIONAL_EXECUTABLES)/su

SU_CMD := su
SYMLINKS := $(addprefix $(TARGET_OUT_EXECUTABLES)/,$(SU_CMD))
$(SYMLINKS): $(LOCAL_INSTALLED_MODULE) $(SU_BINARY)-post $(LOCAL_PATH)/Android.mk
    @echo "Symlink: $@ -> /system/xbin/$(SU_CMD)"
    @mkdir -p $(dir $@)
    @rm -rf $@
    @ln -sf /system/xbin/$(SU_CMD) $@

ALL_DEFAULT_INSTALLED_MODULES += $(SU_BINARY)-post $(SYMLINKS)

include $(BUILD_EXECUTABLE)
于 2012-09-27T14:44:48.850 回答