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Prevent multiple process clashes to start daemon

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This commit is contained in:
topjohnwu 2017-10-14 21:08:05 +08:00
parent d1b9eca5eb
commit 2dd4cf040e
1 changed files with 13 additions and 12 deletions
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25
jni/daemon/daemon.c
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@ -137,6 +137,18 @@ void start_daemon() {
xdup2(fd, STDERR_FILENO);
close(fd);
// Patch selinux with medium patch before we do anything
load_policydb(SELINUX_POLICY);
sepol_med_rules();
dump_policydb(SELINUX_LOAD);
struct sockaddr_un sun;
fd = setup_socket(&sun);
if (xbind(fd, (struct sockaddr*) &sun, sizeof(sun)) == -1)
exit(1);
xlisten(fd, 10);
if ((is_restart = access(UNBLOCKFILE, F_OK) == 0)) {
// Restart stuffs if the daemon is restarted
exec_command_sync("logcat", "-b", "all", "-c", NULL);
@ -147,21 +159,10 @@ void start_daemon() {
// Start the log monitor
monitor_logs();
LOGI("Magisk v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") daemon started\n");
// Patch selinux with medium patch before we do anything
load_policydb(SELINUX_POLICY);
sepol_med_rules();
dump_policydb(SELINUX_LOAD);
// Continue the larger patch in another thread, we will join later
xpthread_create(&sepol_patch, NULL, large_sepol_patch, NULL);
struct sockaddr_un sun;
fd = setup_socket(&sun);
xbind(fd, (struct sockaddr*) &sun, sizeof(sun));
xlisten(fd, 10);
LOGI("Magisk v" xstr(MAGISK_VERSION) "(" xstr(MAGISK_VER_CODE) ") daemon started\n");
// Change process name
strcpy(argv0, "magisk_daemon");