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topjohnwu 2016-12-11 05:10:48 +08:00
parent 8d6d619eed
commit b2431b982f
1 changed files with 73 additions and 69 deletions
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142
jni/magiskhide.c
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@ -194,88 +194,92 @@ void *monitor_list(void *path) {
return NULL;
}
void run_as_daemon() {
switch(fork()) {
case -1:
exit(-1);
case 0:
if (setsid() < 0)
exit(-1);
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
break;
default:
exit(0);
}
}
int main(int argc, char **argv, char **envp) {
pid_t forkpid = fork();
run_as_daemon();
if (forkpid < 0)
return 1;
logfile = fopen(LOGFILE, "a+");
setbuf(logfile, NULL);
if (forkpid == 0) {
if (setsid() < 0)
return 1;
close(STDIN_FILENO);
close(STDOUT_FILENO);
close(STDERR_FILENO);
logfile = fopen(LOGFILE, "a+");
setbuf(logfile, NULL);
// Fork a child to handle namespace switches and unmounts
pipe(pipefd);
forkpid = fork();
if (forkpid < 0)
return 1;
if (forkpid == 0)
// Fork a child to handle namespace switches and unmounts
pipe(pipefd);
switch(fork()) {
case -1:
exit(-1);
case 0:
return hideMagisk();
default:
break;
}
close(pipefd[0]);
close(pipefd[0]);
// Start a thread to constantly check the hide list
pthread_t list_monitor;
pthread_mutex_init(&mutex, NULL);
pthread_create(&list_monitor, NULL, monitor_list, HIDELIST);
// Start a thread to constantly check the hide list
pthread_t list_monitor;
pthread_mutex_init(&mutex, NULL);
pthread_create(&list_monitor, NULL, monitor_list, HIDELIST);
char buffer[512];
FILE *p = popen("while true; do logcat -b events -v raw -s am_proc_start; sleep 1; done", "r");
char buffer[512];
FILE *p = popen("while true; do logcat -b events -v raw -s am_proc_start; sleep 1; done", "r");
while(!feof(p)) {
//Format of am_proc_start is (as of Android 5.1 and 6.0)
//UserID, pid, unix uid, processName, hostingType, hostingName
fgets(buffer, sizeof(buffer), p);
while(!feof(p)) {
//Format of am_proc_start is (as of Android 5.1 and 6.0)
//UserID, pid, unix uid, processName, hostingType, hostingName
fgets(buffer, sizeof(buffer), p);
char *pos = buffer;
while(1) {
pos = strchr(pos, ',');
if(pos == NULL)
break;
pos[0] = ' ';
}
int user, pid, uid;
char processName[256], hostingType[16], hostingName[256];
int ret = sscanf(buffer, "[%d %d %d %256s %16s %256s]",
&user, &pid, &uid,
processName, hostingType, hostingName);
if(ret != 6)
continue;
for (i = 0; i < list_size; ++i) {
if(strstr(processName, hide_list[i])) {
fprintf(logfile, "MagiskHide: Disabling for process=%s, PID=%d, UID=%d\n", processName, pid, uid);
write(pipefd[1], &pid, sizeof(pid));
}
}
char *pos = buffer;
while(1) {
pos = strchr(pos, ',');
if(pos == NULL)
break;
pos[0] = ' ';
}
// Close the logcat monitor
pclose(p);
int user, pid, uid;
char processName[256], hostingType[16], hostingName[256];
int ret = sscanf(buffer, "[%d %d %d %256s %16s %256s]",
&user, &pid, &uid,
processName, hostingType, hostingName);
// Close the config list monitor
pthread_kill(list_monitor, SIGQUIT);
pthread_mutex_destroy(&mutex);
if(ret != 6)
continue;
// Terminate our children
i = -1;
write(pipefd[1], &i, sizeof(i));
fprintf(logfile, "MagiskHide: Cannot read from logcat, abort...\n");
fclose(logfile);
return 1;
for (i = 0; i < list_size; ++i) {
if(strstr(processName, hide_list[i])) {
fprintf(logfile, "MagiskHide: Disabling for process=%s, PID=%d, UID=%d\n", processName, pid, uid);
write(pipefd[1], &pid, sizeof(pid));
}
}
}
return 0;
// Close the logcat monitor
pclose(p);
// Close the config list monitor
pthread_kill(list_monitor, SIGQUIT);
pthread_mutex_destroy(&mutex);
// Terminate our children
i = -1;
write(pipefd[1], &i, sizeof(i));
fprintf(logfile, "MagiskHide: Cannot read from logcat, abort...\n");
fclose(logfile);
return 1;
}