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Add invincible mode back

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This commit is contained in:
topjohnwu 2018-04-29 12:17:28 +08:00
parent fb491cfdcf
commit 0faed7159c
1 changed files with 29 additions and 2 deletions
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31
native/jni/core/daemon.c
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@ -94,6 +94,30 @@ static void *start_magisk_hide(void *args) {
return NULL;
}
static void daemon_saver() {
int fd, val;
struct sockaddr_un sun;
// Change process name
strcpy(argv0, "magisk_saver");
while (1) {
fd = setup_socket(&sun);
while(connect(fd, (struct sockaddr*) &sun, sizeof(sun)))
usleep(10000);
write_int(fd, DO_NOTHING);
// Should hold forever unless the other side is closed
read(fd, &val, sizeof(int));
// If it came here, the daemon is terminated
close(fd);
if (fork_dont_care() == 0)
start_daemon(0);
}
}
void auto_start_magiskhide() {
char *hide_prop = getprop2(MAGISKHIDE_PROP, 1);
if (hide_prop == NULL || strcmp(hide_prop, "0") != 0) {
@ -113,6 +137,9 @@ void start_daemon(int post_fs_data) {
xdup2(fd, STDERR_FILENO);
close(fd);
if (post_fs_data && fork_dont_care() == 0)
daemon_saver();
// Block user signals
sigset_t block_set;
sigemptyset(&block_set);
@ -140,7 +167,7 @@ void start_daemon(int post_fs_data) {
LOGI("Magisk v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") daemon started\n");
// Change process name
strcpy(argv0, "magisk_daemon");
strcpy(argv0, "magiskd");
// Loop forever to listen for requests
while(1) {
@ -165,7 +192,7 @@ int connect_daemon(int post_fs_data) {
exit(1);
}
if (xfork() == 0) {
if (fork_dont_care() == 0) {
LOGD("client: connect fail, try launching new daemon process\n");
close(fd);
start_daemon(post_fs_data);