Mirrors/Magisk
1
0
Fork 0
mirror of https://github.com/topjohnwu/Magisk.git synced 2025-06-13 05:37:47 +02:00
Code Issues Packages Projects Releases Wiki Activity

Separate hide policies

Browse Source
This commit is contained in:
topjohnwu
2019-05-26 02:47:57 -07:00
parent 92400ebcab
commit 8b7b05da68
5 changed files with 109 additions and 101 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
native/jni/magiskhide/proc_monitor.cpp
View File

@ -49,11 +49,6 @@ static inline int read_ns(const int pid, struct stat *st) {
return stat(path, st);
}
static inline void lazy_unmount(const char* mountpoint) {
if (umount2(mountpoint, MNT_DETACH) != -1)
LOGD("hide_daemon: Unmounted (%s)\n", mountpoint);
}
static int parse_ppid(int pid) {
char path[32];
int ppid;
@ -177,57 +172,6 @@ static void setup_inotify() {
}
}
/*************************
* The actual hide daemon
*************************/
static void hide_daemon(int pid) {
RunFinally fin([=]() -> void {
// Send resume signal
tgkill(pid, pid, SIGCONT);
_exit(0);
});
if (switch_mnt_ns(pid))
return;
LOGD("hide_daemon: handling PID=[%d]\n", pid);
manage_selinux();
clean_magisk_props();
vector<string> targets;
// Unmount dummy skeletons and /sbin links
file_readline("/proc/self/mounts", [&](string_view s) -> bool {
if (str_contains(s, "tmpfs /system/") || str_contains(s, "tmpfs /vendor/") ||
str_contains(s, "tmpfs /sbin")) {
char *path = (char *) s.data();
// Skip first token
strtok_r(nullptr, " ", &path);
targets.emplace_back(strtok_r(nullptr, " ", &path));
}
return true;
});
for (auto &s : targets)
lazy_unmount(s.data());
targets.clear();
// Unmount all Magisk created mounts
file_readline("/proc/self/mounts", [&](string_view s) -> bool {
if (str_contains(s, BLOCKDIR)) {
char *path = (char *) s.data();
// Skip first token
strtok_r(nullptr, " ", &path);
targets.emplace_back(strtok_r(nullptr, " ", &path));
}
return true;
});
for (auto &s : targets)
lazy_unmount(s.data());
}
/************************
* Async signal handlers
************************/