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Code Issues Packages Projects Releases 1 Wiki Activity

Isolated processes might still be hide-able

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topjohnwu
2021-01-15 20:22:49 -08:00
parent 20be99ec8a
commit 13fbf397d1
3 changed files with 47 additions and 59 deletions
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native/jni/magiskhide/hide_utils.cpp
+28 -26
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@@ -337,6 +337,32 @@ void auto_start_magiskhide(bool late_props) {
}
}
bool is_hide_target(int uid, string_view process) {
mutex_guard lock(hide_state_lock);
if (uid % 100000 >= 90000) {
// Isolated processes
auto it = uid_proc_map.find(-1);
if (it == uid_proc_map.end())
return false;
for (auto &s : it->second) {
if (str_starts(process, s))
return true;
}
} else {
auto it = uid_proc_map.find(uid);
if (it == uid_proc_map.end())
return false;
for (auto &s : it->second) {
if (s == process)
return true;
}
}
return false;
}
#if !ENABLE_INJECT
void test_proc_monitor() {
if (procfp == nullptr && (procfp = opendir("/proc")) == nullptr)
@@ -347,35 +373,11 @@ void test_proc_monitor() {
#if ENABLE_INJECT
int check_uid_map(int client) {
mutex_guard lock(hide_state_lock);
if (!hide_state)
if (!hide_enabled())
return 0;
int uid = read_int(client);
string process = read_string(client);
if (uid % 100000 > 90000) {
// Isolated process
auto it = uid_proc_map.find(-1);
if (it == uid_proc_map.end())
return 0;
for (auto &s : it->second) {
if (str_starts(process, s))
return 1;
}
} else {
auto it = uid_proc_map.find(uid);
if (it == uid_proc_map.end())
return 0;
for (auto &s : it->second) {
if (process == s)
return 1;
}
}
return 0;
return is_hide_target(uid, process) ? 1 : 0;
}
#endif