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Refactor sepolicy.rules resolve native

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Co-authored-by: LoveSy <shana@zju.edu.cn>
This commit is contained in:
vvb2060
2023-03-08 14:42:54 +08:00
committed by John Wu
parent 4de93cfd4b
commit 362eea741f
12 changed files with 163 additions and 122 deletions
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19
native/src/init/rootdir.cpp
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@@ -1,5 +1,6 @@
#include <sys/mount.h>
#include <libgen.h>
#include <sys/sysmacros.h>
#include <magisk.hpp>
#include <base.hpp>
@@ -181,11 +182,27 @@ static void extract_files(bool sbin) {
}
}
void MagiskInit::parse_config_file() {
dev_t dev = 0;
parse_prop_file("/data/.backup/.magisk", [&dev](auto key, auto value) -> bool {
if (key == "RULESDEVICE") {
unsigned int dev_major = 0;
unsigned int dev_minor = 0;
sscanf(value.data(), "%u:%u", &dev_major, &dev_minor);
dev = makedev(dev_major, dev_minor);
return false;
}
return true;
});
rules_dev = dev;
}
#define ROOTMIR MIRRDIR "/system_root"
#define NEW_INITRC "/system/etc/init/hw/init.rc"
void MagiskInit::patch_ro_root() {
mount_list.emplace_back("/data");
parse_config_file();
string tmp_dir;
@@ -272,6 +289,8 @@ void RootFSInit::prepare() {
void MagiskInit::patch_rw_root() {
mount_list.emplace_back("/data");
parse_config_file();
// Create hardlink mirror of /sbin to /root
mkdir("/root", 0777);
clone_attr("/sbin", "/root");