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Preparation for dynamic tmpfs path

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This commit is contained in:
topjohnwu
2020-04-12 05:34:56 -07:00
parent d739dcac2b
commit e0a281583d
13 changed files with 289 additions and 258 deletions
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39
native/jni/init/init.hpp
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@@ -5,7 +5,7 @@
#include <stdlib.h>
#include <vector>
#include <magisk.hpp>
#include <logging.hpp>
struct cmdline {
bool skip_initramfs;
@@ -57,26 +57,25 @@ public:
class MagiskInit : public BaseInit {
protected:
raw_data self;
const char *persist_dir;
std::string persist_dir;
virtual void early_mount() = 0;
bool patch_sepolicy(const char *file = "/sepolicy");
public:
MagiskInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {};
MagiskInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {}
};
class SARBase : public MagiskInit {
protected:
raw_data config;
std::vector<raw_file> overlays;
std::string tmp_dir;
void backup_files();
void patch_rootdir();
void mount_system_root();
public:
SARBase(char *argv[], cmdline *cmd) : MagiskInit(argv, cmd) {
persist_dir = MIRRDIR "/persist/magisk";
}
SARBase(char *argv[], cmdline *cmd) : MagiskInit(argv, cmd) {}
void start() override {
early_mount();
patch_rootdir();
@@ -92,7 +91,9 @@ class ForcedFirstStageInit : public BaseInit {
private:
void prepare();
public:
ForcedFirstStageInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {};
ForcedFirstStageInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {
LOGD("%s\n", __FUNCTION__);
};
void start() override {
prepare();
exec_init("/system/bin/init");
@@ -103,7 +104,9 @@ class FirstStageInit : public BaseInit {
private:
void prepare();
public:
FirstStageInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {};
FirstStageInit(char *argv[], cmdline *cmd) : BaseInit(argv, cmd) {
LOGD("%s\n", __FUNCTION__);
};
void start() override {
prepare();
exec_init();
@@ -116,7 +119,9 @@ private:
protected:
void early_mount() override;
public:
SARFirstStageInit(char *argv[], cmdline *cmd) : SARBase(argv, cmd) {};
SARFirstStageInit(char *argv[], cmdline *cmd) : SARBase(argv, cmd) {
LOGD("%s\n", __FUNCTION__);
};
void start() override {
early_mount();
traced_exec_init();
@@ -128,7 +133,9 @@ protected:
void early_mount() override;
void cleanup() override { /* Do not do any cleanup */ }
public:
SecondStageInit(char *argv[]) : SARBase(argv, nullptr) {};
SecondStageInit(char *argv[]) : SARBase(argv, nullptr) {
LOGD("%s\n", __FUNCTION__);
};
};
/* ***********
@@ -139,7 +146,9 @@ class SARInit : public SARBase {
protected:
void early_mount() override;
public:
SARInit(char *argv[], cmdline *cmd) : SARBase(argv, cmd) {};
SARInit(char *argv[], cmdline *cmd) : SARBase(argv, cmd) {
LOGD("%s\n", __FUNCTION__);
};
};
/* **********
@@ -148,13 +157,12 @@ public:
class RootFSInit : public MagiskInit {
private:
int root = -1;
void setup_rootfs();
protected:
void early_mount() override;
public:
RootFSInit(char *argv[], cmdline *cmd) : MagiskInit(argv, cmd) {
persist_dir = "/dev/mnt/persist/magisk";
LOGD("%s\n", __FUNCTION__);
}
void start() override {
@@ -164,9 +172,10 @@ public:
}
};
#define INIT_SOCKET "MAGISKINIT"
void load_kernel_info(cmdline *cmd);
int dump_magisk(const char *path, mode_t mode);
int magisk_proxy_main(int argc, char *argv[]);
void setup_klog();
void mount_sbin();
socklen_t setup_sockaddr(struct sockaddr_un *sun);
void setup_tmp(const char *path, const raw_data &self, const raw_data &config);