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Add API for running independent proc_monitor test

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This commit is contained in:
topjohnwu 2019-05-25 16:08:53 -07:00
parent 75405b2b25
commit 21984fac8b
4 changed files with 26 additions and 22 deletions
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7
native/jni/magiskhide/hide_utils.cpp
View File

@ -328,3 +328,10 @@ void auto_start_magiskhide() {
});
}
}
void test_proc_monitor() {
if (procfp == nullptr && (procfp = opendir("/proc")) == nullptr)
exit(1);
proc_monitor();
exit(0);
}

17
native/jni/magiskhide/magiskhide.cpp
View File

@ -13,6 +13,8 @@
#include "magiskhide.h"
using namespace std::literals;
bool hide_enabled = false;
[[noreturn]] static void usage(char *arg0) {
@ -26,6 +28,7 @@ bool hide_enabled = false;
" --add PKG [PROC] Add a new target to the hide list\n"
" --rm PKG [PROC] Remove from the hide list\n"
" --ls List the current hide list\n"
" --test Run process monitor test\n"
, arg0);
exit(1);
}
@ -77,18 +80,20 @@ int magiskhide_main(int argc, char *argv[]) {
usage(argv[0]);
int req;
if (strcmp(argv[1], "--enable") == 0)
if (argv[1] == "--enable"sv)
req = LAUNCH_MAGISKHIDE;
else if (strcmp(argv[1], "--disable") == 0)
else if (argv[1] == "--disable"sv)
req = STOP_MAGISKHIDE;
else if (strcmp(argv[1], "--add") == 0 && argc > 2)
else if (argv[1] == "--add"sv)
req = ADD_HIDELIST;
else if (strcmp(argv[1], "--rm") == 0 && argc > 2)
else if (argv[1] == "--rm"sv)
req = RM_HIDELIST;
else if (strcmp(argv[1], "--ls") == 0)
else if (argv[1] == "--ls"sv)
req = LS_HIDELIST;
else if (strcmp(argv[1], "--status") == 0)
else if (argv[1] == "--status"sv)
req = HIDE_STATUS;
else if (argv[1] == "--test"sv)
test_proc_monitor();
else
usage(argv[0]);

1
native/jni/magiskhide/magiskhide.h
View File

@ -25,6 +25,7 @@ int stop_magiskhide();
int add_list(int client);
int rm_list(int client);
void ls_list(int client);
[[noreturn]] void test_proc_monitor();
// Process monitoring
void proc_monitor();

23
native/jni/magiskhide/proc_monitor.cpp
View File

@ -1,12 +1,3 @@
/* proc_monitor.cpp - Monitor am_proc_start events and unmount
*
* We monitor the listed APK files from /data/app until they get opened
* via inotify to detect a new app launch.
*
* If it's a target we pause it ASAP, and fork a new process to join
* its mount namespace and do all the unmounting/mocking.
*/
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
@ -188,9 +179,6 @@ static void setup_inotify() {
} else {
inotify_add_watch(inotify_fd, APP_PROC, IN_ACCESS);
}
// First find existing zygotes
check_zygote();
}
/*************************
@ -291,12 +279,12 @@ static void term_thread(int) {
* Ptrace Madness
******************/
/* Ptrace is super tricky, preserve all excessive debug in code
/* Ptrace is super tricky, preserve all excessive logging in code
* but disable when actually building for usage (you won't want
* your logcat spammed with new thread events from all apps) */
//#define PTRACE_LOG(fmt, args...) LOGD("PID=[%d] " fmt, pid, ##args)
#define PTRACE_LOG(...)
#define PTRACE_LOG(fmt, args...) LOGD("PID=[%d] " fmt, pid, ##args)
//#define PTRACE_LOG(...)
static void detach_pid(int pid, int signal = 0) {
char path[128];
@ -371,7 +359,7 @@ static bool check_pid(int pid) {
}
}
}
PTRACE_LOG("not our target\n");
PTRACE_LOG("[%s] not our target\n", cmdline);
detach_pid(pid);
return true;
}
@ -414,6 +402,9 @@ void proc_monitor() {
setup_inotify();
// First find existing zygotes
check_zygote();
int status;
for (;;) {