Remove isolated process handling in ptrace
Impossible to achieve only through ptrace
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b36e6d987d
commit
e546884b08
@ -207,16 +207,8 @@ static bool check_pid(int pid) {
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auto it = uid_proc_map.end();
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if (uid % 100000 > 90000) {
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// Isolated process
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it = uid_proc_map.find(-1);
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if (it == uid_proc_map.end())
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// No way to handle isolated process
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goto not_target;
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for (auto &s : it->second) {
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if (str_starts(cmdline, s)) {
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LOGI("proc_monitor: (isolated) [%s] PID=[%d] UID=[%d]\n", cmdline, pid, uid);
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goto inject_and_hide;
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}
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}
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}
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it = uid_proc_map.find(uid);
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@ -226,17 +218,12 @@ static bool check_pid(int pid) {
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if (s != cmdline)
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continue;
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if (str_ends(s, "_zygote")) {
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LOGI("proc_monitor: (app zygote) [%s] PID=[%d] UID=[%d]\n", cmdline, pid, uid);
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goto inject_and_hide;
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}
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// Double check whether ns is separated
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// Check if ns is separated (could be app zygote)
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read_ns(pid, &st);
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for (auto &zit : zygote_map) {
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if (zit.second.st_ino == st.st_ino &&
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zit.second.st_dev == st.st_dev) {
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// For some reason ns is not separated, abort
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// ns not separated, abort
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goto not_target;
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}
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}
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@ -254,11 +241,6 @@ not_target:
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PTRACE_LOG("[%s] is not our target\n", cmdline);
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detach_pid(pid);
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return true;
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inject_and_hide:
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// TODO: handle isolated processes and app zygotes
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detach_pid(pid);
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return true;
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}
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static bool is_process(int pid) {
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