mirror of
https://github.com/topjohnwu/Magisk.git
synced 2024-12-23 00:17:42 +00:00
119 lines
2.9 KiB
C++
119 lines
2.9 KiB
C++
#include <unistd.h>
|
|
#include <cstdio>
|
|
#include <cstdlib>
|
|
#include <string>
|
|
#include <vector>
|
|
|
|
#include <magisk.h>
|
|
#include <utils.h>
|
|
#include <selinux.h>
|
|
|
|
using namespace std;
|
|
|
|
static void set_path() {
|
|
char buf[4096];
|
|
sprintf(buf, BBPATH ":%s", getenv("PATH"));
|
|
setenv("PATH", buf, 1);
|
|
}
|
|
|
|
static void set_mirror_path() {
|
|
setenv("PATH", BBPATH ":/sbin:" MIRRDIR "/system/bin:"
|
|
MIRRDIR "/system/xbin:" MIRRDIR "/vendor/bin", 1);
|
|
}
|
|
|
|
void exec_common_script(const char *stage) {
|
|
char path[4096];
|
|
DIR *dir;
|
|
struct dirent *entry;
|
|
sprintf(path, SECURE_DIR "/%s.d", stage);
|
|
if (!(dir = xopendir(path)))
|
|
return;
|
|
chdir(path);
|
|
|
|
bool pfs = strcmp(stage, "post-fs-data") == 0;
|
|
while ((entry = xreaddir(dir))) {
|
|
if (entry->d_type == DT_REG) {
|
|
if (access(entry->d_name, X_OK) == -1)
|
|
continue;
|
|
LOGI("%s.d: exec [%s]\n", stage, entry->d_name);
|
|
exec_t exec {
|
|
.pre_exec = pfs ? set_mirror_path : set_path,
|
|
.fork = pfs ? xfork : fork_dont_care
|
|
};
|
|
if (pfs)
|
|
exec_command_sync(exec, MIRRDIR "/system/bin/sh", entry->d_name);
|
|
else
|
|
exec_command(exec, MIRRDIR "/system/bin/sh", entry->d_name);
|
|
}
|
|
}
|
|
|
|
closedir(dir);
|
|
chdir("/");
|
|
}
|
|
|
|
void exec_module_script(const char *stage, const vector<string> &module_list) {
|
|
char path[4096];
|
|
bool pfs = strcmp(stage, "post-fs-data") == 0;
|
|
for (auto &m : module_list) {
|
|
const char* module = m.c_str();
|
|
sprintf(path, MODULEROOT "/%s/%s.sh", module, stage);
|
|
if (access(path, F_OK) == -1)
|
|
continue;
|
|
LOGI("%s: exec [%s.sh]\n", module, stage);
|
|
exec_t exec {
|
|
.pre_exec = pfs ? set_mirror_path : set_path,
|
|
.fork = pfs ? xfork : fork_dont_care
|
|
};
|
|
if (pfs)
|
|
exec_command_sync(exec, MIRRDIR "/system/bin/sh", path);
|
|
else
|
|
exec_command(exec, MIRRDIR "/system/bin/sh", path);
|
|
}
|
|
}
|
|
|
|
static const char migrate_script[] =
|
|
"IMG=/data/adb/tmp.img;"
|
|
"MNT=/dev/img_mnt;"
|
|
"e2fsck -yf $IMG;"
|
|
"mkdir -p $MNT;"
|
|
"for num in 0 1 2 3 4 5 6 7; do"
|
|
" losetup /dev/block/loop${num} $IMG || continue;"
|
|
" mount -t ext4 /dev/block/loop${num} $MNT;"
|
|
" rm -rf $MNT/lost+found $MNT/.core;"
|
|
" magisk --clone $MNT " MODULEROOT ";"
|
|
" umount $MNT;"
|
|
" rm -rf $MNT;"
|
|
" losetup -d /dev/block/loop${num};"
|
|
" break;"
|
|
"done;"
|
|
"rm -rf $IMG";
|
|
|
|
void migrate_img(const char *img) {
|
|
LOGI("* Migrating %s\n", img);
|
|
exec_t exec { .pre_exec = set_path };
|
|
rename(img, "/data/adb/tmp.img");
|
|
exec_command_sync(exec, "/system/bin/sh", "-c", migrate_script);
|
|
}
|
|
|
|
static const char install_script[] =
|
|
"APK=%s;"
|
|
"while true; do"
|
|
" OUT=`pm install -r $APK 2>&1`;"
|
|
" log -t Magisk \"apk_install: $OUT\";"
|
|
" if echo \"$OUT\" | grep -qE \"Can't|Error:\"; then"
|
|
" sleep 5;"
|
|
" continue;"
|
|
" fi;"
|
|
" break;"
|
|
"done;"
|
|
"rm -f $APK";
|
|
|
|
void install_apk(const char *apk) {
|
|
setfilecon(apk, "u:object_r:" SEPOL_FILE_DOMAIN ":s0");
|
|
LOGI("apk_install: %s\n", apk);
|
|
exec_t exec { .pre_exec = set_mirror_path };
|
|
char cmds[sizeof(install_script) + 4096];
|
|
sprintf(cmds, install_script, apk);
|
|
exec_command_sync(exec, MIRRDIR "/system/bin/sh", "-c", cmds);
|
|
}
|