Allow post-fs-data module scripts to change module state

This commit is contained in:
topjohnwu 2018-12-05 12:47:29 -05:00
parent 4084e8790b
commit e5c62f5750

View File

@ -332,8 +332,7 @@ static void exec_common_script(const char* stage) {
static void exec_module_script(const char* stage) {
for (const char *module : module_list) {
snprintf(buf2, PATH_MAX, "%s/%s/%s.sh", MOUNTPOINT, module, stage);
snprintf(buf, PATH_MAX, "%s/%s/disable", MOUNTPOINT, module);
if (access(buf2, F_OK) == -1 || access(buf, F_OK) == 0)
if (access(buf2, F_OK) == -1)
continue;
LOGI("%s: exec [%s.sh]\n", module, stage);
int pid = exec_command(false, nullptr,
@ -489,6 +488,34 @@ static bool magisk_env() {
return true;
}
static void collect_modules() {
chdir(MOUNTPOINT);
DIR *dir = xopendir(".");
struct dirent *entry;
while ((entry = xreaddir(dir))) {
if (entry->d_type == DT_DIR) {
if (strcmp(entry->d_name, ".") == 0 ||
strcmp(entry->d_name, "..") == 0 ||
strcmp(entry->d_name, ".core") == 0 ||
strcmp(entry->d_name, "lost+found") == 0)
continue;
chdir(entry->d_name);
if (access("remove", F_OK) == 0) {
chdir("..");
LOGI("%s: remove\n", entry->d_name);
rm_rf(entry->d_name);
continue;
}
unlink("update");
if (access("disable", F_OK))
module_list.push_back(entry->d_name);
chdir("..");
}
}
closedir(dir);
chdir("/");
}
static bool prepare_img() {
const char *alt_img[] =
{ "/cache/magisk.img", "/data/magisk_merge.img", "/data/adb/magisk_merge.img" };
@ -526,31 +553,7 @@ static bool prepare_img() {
symlink(SECURE_DIR "/post-fs-data.d", LEGACY_CORE "/post-fs-data.d");
symlink(SECURE_DIR "/service.d", LEGACY_CORE "/service.d");
DIR *dir = xopendir(MOUNTPOINT);
struct dirent *entry;
while ((entry = xreaddir(dir))) {
if (entry->d_type == DT_DIR) {
if (strcmp(entry->d_name, ".") == 0 ||
strcmp(entry->d_name, "..") == 0 ||
strcmp(entry->d_name, ".core") == 0 ||
strcmp(entry->d_name, "lost+found") == 0)
continue;
snprintf(buf, PATH_MAX, "%s/%s", MOUNTPOINT, entry->d_name);
chdir(buf);
if (access("remove", F_OK) == 0) {
chdir("..");
rm_rf(buf);
continue;
}
unlink("update");
if (access("disable", F_OK) == 0)
continue;
module_list.push_back(entry->d_name);
}
}
closedir(dir);
chdir("/");
collect_modules();
return trim_img(MAINIMG, MOUNTPOINT, magiskloop) == 0;
}
@ -805,6 +808,10 @@ void post_fs_data(int client) {
LOGI("* Running module post-fs-data scripts\n");
exec_module_script("post-fs-data");
// Recollect modules
module_list.clear(true);
collect_modules();
// Create the system root entry
node_entry *sys_root = new node_entry("system", IS_INTER);