int main(void)
{
int count = 15;
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mount("sysfs", "/sys", "sysfs", 0, NULL);
klog_init();
klog_set_level(8);
while (1) {
if (!mount_device())
break;
if (count--) {
sleep(2);
dbg("Iago media not found, trying again...\n");
continue;
}
KLOG_ERROR("Iago", "Couldn't find installation media!\n");
exit(1); /* will result in kernel panic */
}
umount("/dev");
umount("/sys");
/* ok, start the real init */
dbg("Installation media mounted, now starting Android init\n");
execl("/init2", "init", NULL);
KLOG_ERROR("Iago", "Failed to execl() Android init: %s\n", strerror(errno));
return EXIT_FAILURE;
}
int main(int argc, char *argv[])
{
int a_flag=0;
int u_flag=0;
int n_flag=0;
char *n_name=NULL;
char *n_blk_dev=NULL;
char *fstab_file=NULL;
struct fstab *fstab=NULL;
klog_set_level(6);
parse_options(argc, argv, &a_flag, &u_flag, &n_flag, &n_name, &n_blk_dev);
/* The name of the fstab file is last, after the option */
fstab_file = argv[argc - 1];
fstab = fs_mgr_read_fstab(fstab_file);
if (a_flag) {
return fs_mgr_mount_all(fstab);
} else if (n_flag) {
return fs_mgr_do_mount(fstab, n_name, n_blk_dev, 0);
} else if (u_flag) {
return fs_mgr_unmount_all(fstab);
} else {
ERROR("%s: Internal error, unknown option\n", me);
exit(1);
}
fs_mgr_free_fstab(fstab);
/* Should not get here */
exit(1);
}
int do_loglevel(int nargs, char **args) {
if (nargs == 2) {
klog_set_level(atoi(args[1]));
return 0;
}
return -1;
}
static int do_loglevel(const std::vector<std::string>& args) {
int log_level = std::stoi(args[1]);
if (log_level < KLOG_ERROR_LEVEL || log_level > KLOG_DEBUG_LEVEL) {
ERROR("loglevel: invalid log level'%d'\n", log_level);
return -EINVAL;
}
klog_set_level(log_level);
return 0;
}
int do_mount_all(int nargs, char **args)
{
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
const char *prop;
struct fstab *fstab;
if (nargs != 2) {
return -1;
}
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
* do the call in the child to provide protection to the main init
* process if anything goes wrong (crash or memory leak), and wait for
* the child to finish in the parent.
*/
pid = fork();
if (pid > 0) {
/* Parent. Wait for the child to return */
waitpid(pid, &status, 0);
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
} else {
ret = -1;
}
} else if (pid == 0) {
/* child, call fs_mgr_mount_all() */
klog_set_level(6); /* So we can see what fs_mgr_mount_all() does */
fstab = fs_mgr_read_fstab(args[1]);
child_ret = fs_mgr_mount_all(fstab);
fs_mgr_free_fstab(fstab);
if (child_ret == -1) {
ERROR("fs_mgr_mount_all returned an error\n");
}
exit(child_ret);
} else {
/* fork failed, return an error */
return -1;
}
/* ret is 1 if the device is encrypted, 0 if not, and -1 on error */
if (ret == 1) {
property_set("ro.crypto.state", "encrypted");
property_set("vold.decrypt", "1");
} else if (ret == 0) {
property_set("ro.crypto.state", "unencrypted");
/* If fs_mgr determined this is an unencrypted device, then trigger
* that action.
*/
action_for_each_trigger("nonencrypted", action_add_queue_tail);
}
return ret;
}
int main() {
int ret;
klog_set_level(KLOG_LEVEL);
ret = uevent_init();
if (ret == 0)
ret = chargeled_mainloop();
return ret;
}
int ueventd_main(int argc, char **argv)
{
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
klog_set_level(KLOG_NOTICE_LEVEL);
NOTICE("ueventd started!\n");
selinux_callback cb;
cb.func_log = selinux_klog_callback;
selinux_set_callback(SELINUX_CB_LOG, cb);
std::string hardware = property_get("ro.hardware");
ueventd_parse_config_file("/ueventd.rc");
ueventd_parse_config_file(android::base::StringPrintf("/ueventd.%s.rc", hardware.c_str()).c_str());
device_init();
pollfd ufd;
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while (true) {
ufd.revents = 0;
int nr = poll(&ufd, 1, -1);
if (nr <= 0) {
continue;
}
if (ufd.revents & POLLIN) {
handle_device_fd();
}
}
return 0;
}
int main(int argc, char* argv[]) {
int seg_fault_on_exit = 0;
int log_target = LOG_ALOG;
bool abbreviated = false;
int ch;
int status = 0xAAAA;
int rc;
while ((ch = getopt(argc, argv, "adk")) != -1) {
switch (ch) {
case 'a':
abbreviated = true;
break;
case 'd':
seg_fault_on_exit = 1;
break;
case 'k':
log_target = LOG_KLOG;
klog_set_level(6);
break;
case '?':
default:
usage();
}
}
argc -= optind;
argv += optind;
if (argc < 1) {
usage();
}
rc = android_fork_execvp_ext(argc, &argv[0], &status, true,
log_target, abbreviated, NULL, NULL, 0);
if (!rc) {
if (WIFEXITED(status))
rc = WEXITSTATUS(status);
else
rc = -ECHILD;
}
if (seg_fault_on_exit) {
uintptr_t fault_address = (uintptr_t) status;
*(int *) fault_address = 0; // causes SIGSEGV with fault_address = status
}
return rc;
}
int main(int argc, char *argv[])
{
int i;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d%s\n", VERSION_MULTIROM, VERSION_DEV_FIX);
return 0;
}
}
srand(time(0));
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
ERROR("Running MultiROM v%d%s\n", VERSION_MULTIROM, VERSION_DEV_FIX);
int exit = multirom();
if(exit >= 0)
{
if(exit & EXIT_REBOOT_MASK)
{
do_reboot(exit);
return 0;
}
if(exit & EXIT_KEXEC)
{
do_kexec();
return 0;
}
// indicates trampoline to keep /realdata mounted
if(!(exit & EXIT_UMOUNT))
close(open(KEEP_REALDATA, O_WRONLY | O_CREAT, 0000));
}
vt_set_mode(0);
return 0;
}
int do_loglevel(int nargs, char **args) {
int log_level;
char log_level_str[PROP_VALUE_MAX] = "";
if (nargs != 2) {
ERROR("loglevel: missing argument\n");
return -EINVAL;
}
if (expand_props(log_level_str, args[1], sizeof(log_level_str))) {
ERROR("loglevel: cannot expand '%s'\n", args[1]);
return -EINVAL;
}
log_level = atoi(log_level_str);
if (log_level < KLOG_ERROR_LEVEL || log_level > KLOG_DEBUG_LEVEL) {
ERROR("loglevel: invalid log level'%d'\n", log_level);
return -EINVAL;
}
klog_set_level(log_level);
return 0;
}
int main(int argc, char *argv[])
{
if (argc > 1)
return do_cmdline(argc, argv);
int res;
static char *const cmd[] = { "/init", NULL };
umask(000);
// Init only the little we need, leave the rest for real init
mkdir("/dev", 0755);
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mount("devpts", "/dev/pts", "devpts", 0, NULL);
mount("proc", "/proc", "proc", 0, NULL);
mount("sysfs", "/sys", "sysfs", 0, NULL);
mount("pstore", "/sys/fs/pstore", "pstore", 0, NULL);
#if MR_USE_DEBUGFS_MOUNT
// Mount the debugfs kernel sysfs
mkdir("/sys/kernel/debug", 0755);
mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
#endif
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("trampoline");
INFO("Running trampoline v%d\n", VERSION_TRAMPOLINE);
if(is_charger_mode())
{
INFO("Charger mode detected, skipping multirom\n");
goto run_main_init;
}
#if MR_DEVICE_HOOKS >= 3
tramp_hook_before_device_init();
#endif
INFO("Initializing devices...\n");
devices_init();
INFO("Done initializing\n");
run_core();
// close and destroy everything
devices_close();
run_main_init:
umount("/dev/pts");
rmdir("/dev/pts");
rmdir("/dev/socket");
if(access(KEEP_REALDATA, F_OK) < 0) {
umount("/dev");
}
#if MR_USE_DEBUGFS_MOUNT
umount("/sys/kernel/debug");
#endif
umount("/proc");
umount("/sys/fs/pstore");
umount("/sys");
INFO("Running main_init\n");
fixup_symlinks();
chmod("/main_init", EXEC_MASK);
rename("/main_init", "/init");
res = execve(cmd[0], cmd, NULL);
ERROR("execve returned %d %d %s\n", res, errno, strerror(errno));
return 0;
}
int main(int argc, char **argv)
{
int alarm_time = 5;
int count = -1;
bool abort_on_failure = false;
while (1) {
const static struct option long_options[] = {
{"abort", no_argument, 0, 'a'},
{"count", required_argument, 0, 'c'},
{"time", required_argument, 0, 't'},
};
int c = getopt_long(argc, argv, "ac:t:", long_options, NULL);
if (c < 0) {
break;
}
switch (c) {
case 'a':
abort_on_failure = true;
break;
case 'c':
count = strtoul(optarg, NULL, 0);
break;
case 't':
alarm_time = strtoul(optarg, NULL, 0);
break;
case '?':
usage();
exit(EXIT_FAILURE);
default:
abort();
}
}
klog_init();
klog_set_level(KLOG_INFO_LEVEL);
if (optind < argc) {
fprintf(stderr, "Unexpected argument: %s\n", argv[optind]);
usage();
exit(EXIT_FAILURE);
}
int fd = timerfd_create(CLOCK_BOOTTIME_ALARM, 0);
if (fd < 0) {
perror("timerfd_create failed");
exit(EXIT_FAILURE);
}
struct itimerspec delay = itimerspec();
delay.it_value.tv_sec = alarm_time;
int i = 0;
int epoll_fd = epoll_create(1);
if (epoll_fd < 0) {
perror("epoll_create failed");
exit(EXIT_FAILURE);
}
struct epoll_event ev = epoll_event();
ev.events = EPOLLIN | EPOLLWAKEUP;
int ret = epoll_ctl(epoll_fd, EPOLL_CTL_ADD, fd, &ev);
if (ret < 0) {
perror("epoll_ctl failed");
exit(EXIT_FAILURE);
}
while (count != 0) {
struct timespec expected_time;
struct timespec actual_time;
uint64_t fired = 0;
ret = timerfd_settime(fd, 0, &delay, NULL);
if (ret < 0) {
perror("timerfd_settime failed");
exit(EXIT_FAILURE);
}
ret = clock_gettime(CLOCK_BOOTTIME, &expected_time);
if (ret < 0) {
perror("failed to get time");
exit(EXIT_FAILURE);
}
expected_time.tv_sec += alarm_time;
ret = 0;
while (ret != 1) {
struct epoll_event out_ev;
ret = epoll_wait(epoll_fd, &out_ev, 1, -1);
if (ret < 0 && errno != EINTR) {
perror("epoll_wait failed");
exit(EXIT_FAILURE);
}
}
ssize_t bytes = read(fd, &fired, sizeof(fired));
if (bytes < 0) {
perror("read from timer fd failed");
exit(EXIT_FAILURE);
} else if (bytes < (ssize_t)sizeof(fired)) {
fprintf(stderr, "unexpected read from timer fd: %zd\n", bytes);
}
if (fired != 1) {
fprintf(stderr, "unexpected timer fd fired count: %" PRIu64 "\n", fired);
}
ret = clock_gettime(CLOCK_BOOTTIME, &actual_time);
if (ret < 0) {
perror("failed to get time");
exit(EXIT_FAILURE);
}
long long diff = timediff_ns(&actual_time, &expected_time);
if (llabs(diff) > NSEC_PER_SEC) {
fprintf(stderr, "alarm arrived %lld.%03lld seconds %s\n",
llabs(diff) / NSEC_PER_SEC,
(llabs(diff) / NSEC_PER_MSEC) % MSEC_PER_SEC,
diff > 0 ? "late" : "early");
KLOG_ERROR("suspend_stress", "alarm arrived %lld.%03lld seconds %s\n",
llabs(diff) / NSEC_PER_SEC,
(llabs(diff) / NSEC_PER_MSEC) % MSEC_PER_SEC,
diff > 0 ? "late" : "early");
if (abort_on_failure) {
exit(EXIT_FAILURE);
}
}
time_t t = time(NULL);
i += fired;
printf("timer fired: %d at boottime %lld.%.3ld, %s", i,
(long long)actual_time.tv_sec,
actual_time.tv_nsec / NSEC_PER_MSEC,
ctime(&t));
KLOG_INFO("suspend_stress", "timer fired: %d at boottime %lld.%.3ld, %s", i,
(long long)actual_time.tv_sec,
actual_time.tv_nsec / NSEC_PER_MSEC,
ctime(&t));
if (count > 0)
count--;
}
return 0;
}
/*
* This function might request a reboot, in which case it will
* not return.
*/
int do_mount_all(int nargs, char **args)
{
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
struct fstab *fstab;
if (nargs != 2) {
return -1;
}
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
* do the call in the child to provide protection to the main init
* process if anything goes wrong (crash or memory leak), and wait for
* the child to finish in the parent.
*/
pid = fork();
if (pid > 0) {
/* Parent. Wait for the child to return */
int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
if (wp_ret < 0) {
/* Unexpected error code. We will continue anyway. */
NOTICE("waitpid failed rc=%d, errno=%d\n", wp_ret, errno);
}
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
} else {
ret = -1;
}
} else if (pid == 0) {
/* child, call fs_mgr_mount_all() */
klog_set_level(6); /* So we can see what fs_mgr_mount_all() does */
fstab = fs_mgr_read_fstab(args[1]);
child_ret = fs_mgr_mount_all(fstab);
fs_mgr_free_fstab(fstab);
if (child_ret == -1) {
ERROR("fs_mgr_mount_all returned an error\n");
}
_exit(child_ret);
} else {
/* fork failed, return an error */
return -1;
}
if (ret == FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION) {
property_set("vold.decrypt", "trigger_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED) {
property_set("ro.crypto.state", "encrypted");
property_set("vold.decrypt", "trigger_default_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
property_set("ro.crypto.state", "unencrypted");
/* If fs_mgr determined this is an unencrypted device, then trigger
* that action.
*/
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
/* Setup a wipe via recovery, and reboot into recovery */
ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
ret = wipe_data_via_recovery();
/* If reboot worked, there is no return. */
} else if (ret > 0) {
ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
}
/* else ... < 0: error */
return ret;
}
int main(int argc, const char *argv[])
{
int i;
const char *rom_to_boot = NULL;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d%s apkL%d\n", VERSION_MULTIROM, VERSION_DEV_FIX, VERSION_APKL);
fflush(stdout);
return 0;
}
else if(strcmp(argv[i], "-apkL") == 0)
{
// Return all (internal and external) installed ROMs needed for the MultiROM Manager app
// external partitions will be mounted to /mnt/mrom/APK and kept mounted so the app
// can manipulate them, use "multirom -apkU" to unmount them when no longer needed
// unmount everything in /mnt/mrom/APK first
//multirom_apk_umount_usb();
int i;
struct multirom_status s;
memset(&s, 0, sizeof(struct multirom_status));
multirom_apk_get_roms(&s);
for(i = 0; s.roms && s.roms[i]; ++i)
{
if (!s.roms[i]->partition)
{
// Internal ROMs
printf("ROM: name=%s base=%s icon=%s\n",
s.roms[i]->name, s.roms[i]->base_path, s.roms[i]->icon_path);
}
else
{
// External ROMs
printf("ROM: name=%s base=%s icon=%s part_name=%s part_mount=%s part_uuid=%s part_fs=%s\n",
s.roms[i]->name, s.roms[i]->base_path, s.roms[i]->icon_path,
s.roms[i]->partition->name, s.roms[i]->partition->mount_path, s.roms[i]->partition->uuid, s.roms[i]->partition->fs);
}
}
fflush(stdout);
multirom_free_status(&s);
return 0;
}
else if(strcmp(argv[i], "-apkU") == 0)
{
// Unmount all partitions mounted in /mnt/mrom/APK
multirom_apk_umount_usb();
return 0;
}
else if(strncmp(argv[i], "--boot-rom=", sizeof("--boot-rom")) == 0)
{
rom_to_boot = argv[i] + sizeof("--boot-rom");
}
}
srand(time(0));
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("multirom");
ERROR("Running MultiROM v%d%s\n", VERSION_MULTIROM, VERSION_DEV_FIX);
// root is mounted read only in android and MultiROM uses
// it to store some temp files, so remount it.
// Yes, there is better solution to this.
if(rom_to_boot)
mount(NULL, "/", NULL, MS_REMOUNT, NULL);
int exit = multirom(rom_to_boot);
if(rom_to_boot)
mount(NULL, "/", NULL, MS_RDONLY | MS_REMOUNT, NULL);
if(exit >= 0)
{
if(exit & EXIT_REBOOT_RECOVERY)
do_reboot(REBOOT_RECOVERY);
else if(exit & EXIT_REBOOT_BOOTLOADER)
do_reboot(REBOOT_BOOTLOADER);
else if(exit & EXIT_SHUTDOWN)
do_reboot(REBOOT_SHUTDOWN);
else if(exit & EXIT_REBOOT)
do_reboot(REBOOT_SYSTEM);
if(exit & EXIT_KEXEC)
{
do_kexec();
return 0;
}
// indicates trampoline to keep /realdata mounted
if(!(exit & EXIT_UMOUNT))
close(open(KEEP_REALDATA, O_WRONLY | O_CREAT, 0000));
}
return 0;
}
int main(int argc, char** argv) {
if (!strcmp(basename(argv[0]), "ueventd")) {
return ueventd_main(argc, argv);
}
if (!strcmp(basename(argv[0]), "watchdogd")) {
return watchdogd_main(argc, argv);
}
// Clear the umask.
umask(0);
add_environment("PATH", _PATH_DEFPATH);
bool is_first_stage = (argc == 1) || (strcmp(argv[1], "--second-stage") != 0);
// Get the basic filesystem setup we need put together in the initramdisk
// on / and then we'll let the rc file figure out the rest.
if (is_first_stage) {
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mount("devpts", "/dev/pts", "devpts", 0, NULL);
#define MAKE_STR(x) __STRING(x)
mount("proc", "/proc", "proc", 0, "hidepid=2,gid=" MAKE_STR(AID_READPROC));
mount("sysfs", "/sys", "sysfs", 0, NULL);
mount("selinuxfs", "/sys/fs/selinux", "selinuxfs", 0, NULL);
}
// We must have some place other than / to create the device nodes for
// kmsg and null, otherwise we won't be able to remount / read-only
// later on. Now that tmpfs is mounted on /dev, we can actually talk
// to the outside world.
open_devnull_stdio();
klog_init();
klog_set_level(KLOG_NOTICE_LEVEL);
NOTICE("init %s started!\n", is_first_stage ? "first stage" : "second stage");
if (!is_first_stage) {
// Indicate that booting is in progress to background fw loaders, etc.
close(open("/dev/.booting", O_WRONLY | O_CREAT | O_CLOEXEC, 0000));
property_init();
// If arguments are passed both on the command line and in DT,
// properties set in DT always have priority over the command-line ones.
process_kernel_dt();
process_kernel_cmdline();
// Propagate the kernel variables to internal variables
// used by init as well as the current required properties.
export_kernel_boot_props();
}
// Set up SELinux, including loading the SELinux policy if we're in the kernel domain.
selinux_initialize(is_first_stage);
// If we're in the kernel domain, re-exec init to transition to the init domain now
// that the SELinux policy has been loaded.
if (is_first_stage) {
if (restorecon("/init") == -1) {
ERROR("restorecon failed: %s\n", strerror(errno));
security_failure();
}
char* path = argv[0];
char* args[] = { path, const_cast<char*>("--second-stage"), nullptr };
if (execv(path, args) == -1) {
ERROR("execv(\"%s\") failed: %s\n", path, strerror(errno));
security_failure();
}
}
// These directories were necessarily created before initial policy load
// and therefore need their security context restored to the proper value.
// This must happen before /dev is populated by ueventd.
NOTICE("Running restorecon...\n");
restorecon("/dev");
restorecon("/dev/socket");
restorecon("/dev/__properties__");
restorecon("/property_contexts");
restorecon_recursive("/sys");
epoll_fd = epoll_create1(EPOLL_CLOEXEC);
if (epoll_fd == -1) {
ERROR("epoll_create1 failed: %s\n", strerror(errno));
exit(1);
}
signal_handler_init();
property_load_boot_defaults();
export_oem_lock_status();
start_property_service();
const BuiltinFunctionMap function_map;
Action::set_function_map(&function_map);
Parser& parser = Parser::GetInstance();
parser.AddSectionParser("service",std::make_unique<ServiceParser>());
parser.AddSectionParser("on", std::make_unique<ActionParser>());
parser.AddSectionParser("import", std::make_unique<ImportParser>());
parser.ParseConfig("/init.rc");
ActionManager& am = ActionManager::GetInstance();
am.QueueEventTrigger("early-init");
// Queue an action that waits for coldboot done so we know ueventd has set up all of /dev...
am.QueueBuiltinAction(wait_for_coldboot_done_action, "wait_for_coldboot_done");
// ... so that we can start queuing up actions that require stuff from /dev.
am.QueueBuiltinAction(mix_hwrng_into_linux_rng_action, "mix_hwrng_into_linux_rng");
am.QueueBuiltinAction(keychord_init_action, "keychord_init");
am.QueueBuiltinAction(console_init_action, "console_init");
// Trigger all the boot actions to get us started.
am.QueueEventTrigger("init");
// Repeat mix_hwrng_into_linux_rng in case /dev/hw_random or /dev/random
// wasn't ready immediately after wait_for_coldboot_done
am.QueueBuiltinAction(mix_hwrng_into_linux_rng_action, "mix_hwrng_into_linux_rng");
// Don't mount filesystems or start core system services in charger mode.
std::string bootmode = property_get("ro.bootmode");
if (bootmode == "charger") {
am.QueueEventTrigger("charger");
} else {
am.QueueEventTrigger("late-init");
}
// Run all property triggers based on current state of the properties.
am.QueueBuiltinAction(queue_property_triggers_action, "queue_property_triggers");
while (true) {
if (!waiting_for_exec) {
am.ExecuteOneCommand();
restart_processes();
}
int timeout = -1;
if (process_needs_restart) {
timeout = (process_needs_restart - gettime()) * 1000;
if (timeout < 0)
timeout = 0;
}
if (am.HasMoreCommands()) {
timeout = 0;
}
bootchart_sample(&timeout);
epoll_event ev;
int nr = TEMP_FAILURE_RETRY(epoll_wait(epoll_fd, &ev, 1, timeout));
if (nr == -1) {
ERROR("epoll_wait failed: %s\n", strerror(errno));
} else if (nr == 1) {
((void (*)()) ev.data.ptr)();
}
}
return 0;
}
int main(int argc, char *argv[]) {
int print_cmd = 0;
int config_cmd = 0;
int add_cmd = 0;
int del_cmd = 0;
int sync_cmd = 0;
int c;
const char *new_partition = NULL;
const char *old_partition = NULL;
const char *type_guid = NULL;
const char *partition_guid = NULL;
unsigned gpt_location = 1;
klog_init();
klog_set_level(6);
const struct option longopts[] = {
{"print", no_argument, 0, 'p'},
{"config-print", no_argument, 0, 'c'},
{"add", no_argument, 0, 'a'},
{"del", no_argument, 0, 'd'},
{"new", required_argument, 0, 'n'},
{"old", required_argument, 0, 'o'},
{"type", required_argument, 0, 't'},
{"sync", required_argument, 0, 's'},
{"guid", required_argument, 0, 'g'},
{"location", required_argument, 0, 'l'},
{0, 0, 0, 0}
};
while (1) {
c = getopt_long(argc, argv, "pcadt:g:n:o:sl:", longopts, NULL);
/* Alphabetical cases */
if (c < 0)
break;
switch (c) {
case 'p':
print_cmd = 1;
break;
case 'c':
config_cmd = 1;
break;
case 'a':
add_cmd = 1;
break;
case 'd':
del_cmd = 1;
break;
case 'n':
new_partition = optarg;
break;
case 'o':
old_partition = optarg;
break;
case 't':
type_guid = optarg;
case 'g':
partition_guid = optarg;
break;
case 's':
sync_cmd = 1;
break;
case 'l':
gpt_location = strtoul(optarg, NULL, 10);
fprintf(stderr, "Got offset as %d", gpt_location);
break;
case '?':
return 1;
default:
abort();
}
}
argc -= optind;
argv += optind;
if (argc < 1) {
usage();
return 1;
}
const char *path = argv[0];
struct GPT_entry_table *table = GPT_get_device(path, gpt_location);
if (table == NULL) {
fprintf(stderr, "unable to get GPT table from %s\n", path);
return 1;
}
if (add_cmd)
addGPT(table, new_partition, partition_guid, type_guid);
if (del_cmd)
deleteGPT(table, old_partition);
if (print_cmd)
printGPT(table);
if (config_cmd)
configPrintGPT(table);
if (sync_cmd)
GPT_sync(table);
GPT_release_device(table);
return 0;
}
int main(int argc, char **argv)
{
int fd_count = 0;
struct pollfd ufds[4];
char *tmpdev;
char* debuggable;
char tmp[32];
int property_set_fd_init = 0;
int signal_fd_init = 0;
int keychord_fd_init = 0;
bool is_charger = false;
#ifdef MTK_INIT
int mt_boot_mode = 0;
klog_set_level(6);
#endif
if (!strcmp(basename(argv[0]), "ueventd"))
return ueventd_main(argc, argv);
if (!strcmp(basename(argv[0]), "watchdogd"))
return watchdogd_main(argc, argv);
/* clear the umask */
umask(0);
/* Get the basic filesystem setup we need put
* together in the initramdisk on / and then we'll
* let the rc file figure out the rest.
*/
mkdir("/dev", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mount("devpts", "/dev/pts", "devpts", 0, NULL);
mount("proc", "/proc", "proc", 0, NULL);
mount("sysfs", "/sys", "sysfs", 0, NULL);
#ifdef INIT_ENG_BUILD
mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
#endif
/* indicate that booting is in progress to background fw loaders, etc */
close(open("/dev/.booting", O_WRONLY | O_CREAT, 0000));
/* We must have some place other than / to create the
* device nodes for kmsg and null, otherwise we won't
* be able to remount / read-only later on.
* Now that tmpfs is mounted on /dev, we can actually
* talk to the outside world.
*/
open_devnull_stdio();
klog_init();
property_init();
get_hardware_name(hardware, &revision);
process_kernel_cmdline();
union selinux_callback cb;
cb.func_log = log_callback;
selinux_set_callback(SELINUX_CB_LOG, cb);
cb.func_audit = audit_callback;
selinux_set_callback(SELINUX_CB_AUDIT, cb);
selinux_initialize();
/* These directories were necessarily created before initial policy load
* and therefore need their security context restored to the proper value.
* This must happen before /dev is populated by ueventd.
*/
restorecon("/dev");
restorecon("/dev/socket");
restorecon("/dev/__properties__");
restorecon_recursive("/sys");
is_charger = !strcmp(bootmode, "charger");
INFO("property init\n");
property_load_boot_defaults();
#ifndef INIT_ENG_BUILD
property_set("ro.mtprof.disable", "1");
#endif
INFO("reading config file\n");
#ifdef MTK_INIT
/* NEW FEATURE: multi-boot mode */
mt_boot_mode = get_boot_mode();
if ( (mt_boot_mode == MT_FACTORY_BOOT) || (mt_boot_mode == MT_ATE_FACTORY_BOOT) ) {
printf("Factory Mode Booting.....\n");
property_set("sys.mtk.no.factoryimage","1");
init_parse_config_file("/factory_init.rc");
init_parse_config_file("/factory_init.project.rc");
}
else if ( mt_boot_mode == MT_META_BOOT ) {
printf("META Mode Booting.....\n");
init_parse_config_file("/meta_init.rc");
init_parse_config_file("/meta_init.project.rc");
}
else
{
#endif // MTK_INIT
init_parse_config_file("/init.rc");
#ifdef MTK_INIT
}
#endif
#ifdef MTK_INIT
if ( (mt_boot_mode == MT_FACTORY_BOOT) || (mt_boot_mode == MT_ATE_FACTORY_BOOT) ) {
NOTICE("No need modem.rc for factory mode\n");
}
else if ( mt_boot_mode == MT_META_BOOT ) {
init_parse_config_file("/meta_init.modem.rc");
}else {
init_parse_config_file("/init.modem.rc");
}
#endif // MTK_INIT
/**** End of Parsing .rc files ****/
action_for_each_trigger("early-init", action_add_queue_tail);
queue_builtin_action(wait_for_coldboot_done_action, "wait_for_coldboot_done");
queue_builtin_action(mix_hwrng_into_linux_rng_action, "mix_hwrng_into_linux_rng");
queue_builtin_action(keychord_init_action, "keychord_init");
queue_builtin_action(console_init_action, "console_init");
/* execute all the boot actions to get us started */
action_for_each_trigger("init", action_add_queue_tail);
/* Repeat mix_hwrng_into_linux_rng in case /dev/hw_random or /dev/random
* wasn't ready immediately after wait_for_coldboot_done
*/
queue_builtin_action(mix_hwrng_into_linux_rng_action, "mix_hwrng_into_linux_rng");
queue_builtin_action(property_service_init_action, "property_service_init");
queue_builtin_action(signal_init_action, "signal_init");
/* Don't mount filesystems or start core system services if in charger mode. */
if (is_charger) {
action_for_each_trigger("charger", action_add_queue_tail);
}
else
{
action_for_each_trigger("late-init", action_add_queue_tail);
}
/* run all property triggers based on current state of the properties */
queue_builtin_action(queue_property_triggers_action, "queue_property_triggers");
#if BOOTCHART
queue_builtin_action(bootchart_init_action, "bootchart_init");
#endif
for(;;) {
int nr, i, timeout = -1;
execute_one_command();
restart_processes();
if (!property_set_fd_init && get_property_set_fd() > 0) {
ufds[fd_count].fd = get_property_set_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
property_set_fd_init = 1;
}
if (!signal_fd_init && get_signal_fd() > 0) {
ufds[fd_count].fd = get_signal_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
signal_fd_init = 1;
}
if (!keychord_fd_init && get_keychord_fd() > 0) {
ufds[fd_count].fd = get_keychord_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
keychord_fd_init = 1;
}
if (process_needs_restart) {
timeout = (process_needs_restart - gettime()) * 1000;
if (timeout < 0)
timeout = 0;
}
if (!action_queue_empty() || cur_action)
timeout = 0;
#if BOOTCHART
if (bootchart_count > 0) {
if (timeout < 0 || timeout > BOOTCHART_POLLING_MS)
timeout = BOOTCHART_POLLING_MS;
if (bootchart_step() < 0 || --bootchart_count == 0) {
bootchart_finish();
bootchart_count = 0;
}
}
#endif
nr = poll(ufds, fd_count, timeout);
if (nr <= 0)
continue;
for (i = 0; i < fd_count; i++) {
if (ufds[i].revents & POLLIN) {
if (ufds[i].fd == get_property_set_fd())
handle_property_set_fd();
else if (ufds[i].fd == get_keychord_fd())
handle_keychord();
else if (ufds[i].fd == get_signal_fd())
handle_signal();
}
}
}
return 0;
}
int main(int argc, char **argv)
{
int fd_count = 0;
struct pollfd ufds[4];
char *tmpdev;
char* debuggable;
char tmp[32];
int property_set_fd_init = 0;
int signal_fd_init = 0;
int keychord_fd_init = 0;
bool is_charger = false;
klog_set_level(LOG_DEFAULT_LEVEL);
if (!strcmp(basename(argv[0]), "ueventd"))
return ueventd_main(argc, argv);
if (!strcmp(basename(argv[0]), "watchdogd"))
return watchdogd_main(argc, argv);
/* clear the umask */
umask(0);
/* Get the basic filesystem setup we need put
* together in the initramdisk on / and then we'll
* let the rc file figure out the rest.
*/
mkdir("/dev", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mount("devpts", "/dev/pts", "devpts", 0, NULL);
mount("proc", "/proc", "proc", 0, NULL);
mount("sysfs", "/sys", "sysfs", 0, NULL);
#ifdef INIT_ENG_BUILD
mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
#endif
/* indicate that booting is in progress to background fw loaders, etc */
close(open("/dev/.booting", O_WRONLY | O_CREAT, 0000));
/* We must have some place other than / to create the
* device nodes for kmsg and null, otherwise we won't
* be able to remount / read-only later on.
* Now that tmpfs is mounted on /dev, we can actually
* talk to the outside world.
*/
//open_devnull_stdio();
klog_init();
property_init();
get_hardware_name(hardware, &revision);
process_kernel_cmdline();
#ifdef HAVE_SELINUX
union selinux_callback cb;
cb.func_log = klog_write;
selinux_set_callback(SELINUX_CB_LOG, cb);
cb.func_audit = audit_callback;
selinux_set_callback(SELINUX_CB_AUDIT, cb);
INFO("loading selinux policy\n");
if (selinux_enabled) {
if (selinux_android_load_policy() < 0) {
selinux_enabled = 0;
INFO("SELinux: Disabled due to failed policy load\n");
} else {
selinux_init_all_handles();
}
} else {
INFO("SELinux: Disabled by command line option\n");
}
/* These directories were necessarily created before initial policy load
* and therefore need their security context restored to the proper value.
* This must happen before /dev is populated by ueventd.
*/
restorecon("/dev");
restorecon("/dev/socket");
#endif
is_charger = !strcmp(bootmode, "charger");
INFO("property init\n");
if (!is_charger)
property_load_boot_defaults();
#ifdef HAVE_AEE_FEATURE
INFO("reading AEE config file\n");
#ifndef PARTIAL_BUILD
init_parse_config_file("/init.aee.mtk.rc");
#else
init_parse_config_file("/init.aee.customer.rc");
#endif // PARTIAL_BUILD
#endif // HAVE_AEE_FEATURE
INFO("reading config file\n");
#ifdef USE_BUILT_IN_FACTORY
ERROR("USE_BUILT_IN_FACTORY");
if (is_factory_boot())
{
ERROR("This is factory boot");
property_set("sys.mtk.no.factoryimage","1");
init_parse_config_file("/factory_init.rc");
INFO("reading project config file\n");
init_parse_config_file("/factory_init.project.rc");
}
else
{
if(is_meta_boot())
{
ERROR("Parsing meta_init.rc ...\n");
init_parse_config_file("/meta_init.rc");
INFO("reading project config file\n");
init_parse_config_file("/meta_init.project.rc");
init_parse_config_file("/meta_init.modem.rc");
}
else if(is_advanced_meta_boot())
{
ERROR("Parsing advanced_meta_init.rc ...\n");
init_parse_config_file("/advanced_meta_init.rc");
INFO("reading project config file\n");
init_parse_config_file("/advanced_meta_init.project.rc");
#ifdef MTK_FAT_ON_NAND
printf("reading init.fon.rc file\n");
init_parse_config_file("/init.fon.rc");
#endif
}
#if defined (MTK_KERNEL_POWER_OFF_CHARGING_SUPPORT)
else if (is_kernel_power_off_charging_boot())
{
ERROR("Parsing init.charging.rc ...\n");
if (init_parse_config_file("/init.charging.rc") < 0)
{
init_parse_config_file("/init.rc");
INFO("reading project config file\n");
init_parse_config_file("/init.project.rc");
init_parse_config_file("/init.modem.rc");
}
}
#endif
else
{
printf("Parsing init.rc ...\n");
init_parse_config_file("/init.rc");
INFO("reading project config file\n");
init_parse_config_file("/init.project.rc");
init_parse_config_file("/init.modem.rc");
#ifdef MTK_FAT_ON_NAND
printf("reading init.fon.rc file\n");
init_parse_config_file("/init.fon.rc");
#endif
}
}
#else
if(is_meta_boot())
{
ERROR("Parsing meta_init.rc ...\n");
init_parse_config_file("/meta_init.rc");
INFO("reading project config file\n");
init_parse_config_file("/meta_init.project.rc");
init_parse_config_file("/meta_init.modem.rc");
}
else if(is_advanced_meta_boot())
{
ERROR("Parsing advanced_meta_init.rc ...\n");
init_parse_config_file("/advanced_meta_init.rc");
INFO("reading project config file\n");
init_parse_config_file("/advanced_meta_init.project.rc");
}
else
{
printf("Parsing init.rc ...\n");
init_parse_config_file("/init.rc");
INFO("reading project config file\n");
init_parse_config_file("/init.project.rc");
init_parse_config_file("/init.modem.rc");
}
#endif
#ifdef MTK_SHARED_SDCARD
if(is_support_sdcard_share_boot())
{
#ifdef MTK_2SDCARD_SWAP
printf("Parsing init.ssd_sdswap.rc ...\n");
init_parse_config_file("/init.ssd_nomuser.rc");
#else
printf("Parsing init.ssd.rc ...\n");
init_parse_config_file("/init.ssd.rc");
#endif
}
else
{
printf("Parsing init.no_ssd.rc ...\n");
init_parse_config_file("/init.no_ssd.rc");
}
#else
printf("Parsing init.no_ssd.rc ...\n");
init_parse_config_file("/init.no_ssd.rc");
#endif
#ifndef INIT_ENG_BUILD
property_set("ro.mtprof.disable", "1");
#endif
if(is_support_protected_data_boot())
{
printf("Parsing init.protect.rc ...\n");
init_parse_config_file("/init.protect.rc");
}
snprintf(tmp, sizeof(tmp), "/init.%s.rc", hardware);
init_parse_config_file(tmp);
action_for_each_trigger("early-init", action_add_queue_tail);
queue_builtin_action(wait_for_coldboot_done_action, "wait_for_coldboot_done");
queue_builtin_action(keychord_init_action, "keychord_init");
queue_builtin_action(console_init_action, "console_init");
/* execute all the boot actions to get us started */
action_for_each_trigger("init", action_add_queue_tail);
/* skip mounting filesystems in charger mode */
if (!is_charger) {
queue_builtin_action(queue_fs_property_triggers_action, "queue_fs_propety_triggers");
action_for_each_trigger("early-fs", action_add_queue_tail);
action_for_each_trigger("fs", action_add_queue_tail);
action_for_each_trigger("post-fs", action_add_queue_tail);
action_for_each_trigger("post-fs-data", action_add_queue_tail);
}
queue_builtin_action(property_service_init_action, "property_service_init");
queue_builtin_action(signal_init_action, "signal_init");
queue_builtin_action(check_startup_action, "check_startup");
queue_builtin_action(queue_early_property_triggers_action, "queue_early_propety_triggers");
if (is_charger) {
action_for_each_trigger("charger", action_add_queue_tail);
}
#if defined (MTK_KERNEL_POWER_OFF_CHARGING_SUPPORT)
else if (is_kernel_power_off_charging_boot()){
action_for_each_trigger("ipo", action_add_queue_tail);
}
#endif
else {
action_for_each_trigger("early-boot", action_add_queue_tail);
action_for_each_trigger("boot", action_add_queue_tail);
}
/* run all property triggers based on current state of the properties */
queue_builtin_action(queue_property_triggers_action, "queue_property_triggers");
/* change USB function by meta_com_id */
#ifdef USE_BUILT_IN_FACTORY
if (is_meta_boot() || is_factory_boot()) {
queue_builtin_action(queue_com_triggers_action, "queue_com_triggers");
}
#else
if (is_meta_boot()) {
queue_builtin_action(queue_com_triggers_action, "queue_com_triggers");
}
#endif
#if BOOTCHART
queue_builtin_action(bootchart_init_action, "bootchart_init");
#endif
for(;;) {
int nr, i, timeout = -1;
execute_one_command();
restart_processes();
if (!property_set_fd_init && get_property_set_fd() > 0) {
ufds[fd_count].fd = get_property_set_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
property_set_fd_init = 1;
}
if (!signal_fd_init && get_signal_fd() > 0) {
ufds[fd_count].fd = get_signal_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
signal_fd_init = 1;
}
if (!keychord_fd_init && get_keychord_fd() > 0) {
ufds[fd_count].fd = get_keychord_fd();
ufds[fd_count].events = POLLIN;
ufds[fd_count].revents = 0;
fd_count++;
keychord_fd_init = 1;
}
if (process_needs_restart) {
timeout = (process_needs_restart - gettime()) * 1000;
if (timeout < 0)
timeout = 0;
}
if (!action_queue_empty() || cur_action)
timeout = 0;
#if BOOTCHART
if (bootchart_count > 0) {
if (timeout < 0 || timeout > BOOTCHART_POLLING_MS)
timeout = BOOTCHART_POLLING_MS;
if (bootchart_step() < 0 || --bootchart_count == 0) {
bootchart_finish();
bootchart_count = 0;
}
}
#endif
nr = poll(ufds, fd_count, timeout);
if (nr <= 0)
continue;
for (i = 0; i < fd_count; i++) {
if (ufds[i].revents == POLLIN) {
if (ufds[i].fd == get_property_set_fd())
handle_property_set_fd();
else if (ufds[i].fd == get_keychord_fd())
handle_keychord();
else if (ufds[i].fd == get_signal_fd())
handle_signal();
}
}
}
return 0;
}
/*
* This function might request a reboot, in which case it will
* not return.
*/
int do_mount_all(int nargs, char **args)
{
pid_t pid;
int ret = -1;
int child_ret = -1;
int status;
char boot_mode[PROP_VALUE_MAX] = {0};
struct fstab *fstab;
if (nargs != 2) {
return -1;
}
/*
* Call fs_mgr_mount_all() to mount all filesystems. We fork(2) and
* do the call in the child to provide protection to the main init
* process if anything goes wrong (crash or memory leak), and wait for
* the child to finish in the parent.
*/
pid = fork();
if (pid > 0) {
/* Parent. Wait for the child to return */
int wp_ret = TEMP_FAILURE_RETRY(waitpid(pid, &status, 0));
if (wp_ret < 0) {
/* Unexpected error code. We will continue anyway. */
NOTICE("waitpid failed rc=%d: %s\n", wp_ret, strerror(errno));
}
if (WIFEXITED(status)) {
ret = WEXITSTATUS(status);
} else {
ret = -1;
}
} else if (pid == 0) {
/* child, call fs_mgr_mount_all() */
klog_set_level(6); /* So we can see what fs_mgr_mount_all() does */
fstab = fs_mgr_read_fstab(args[1]);
child_ret = fs_mgr_mount_all(fstab);
fs_mgr_free_fstab(fstab);
if (child_ret == -1) {
ERROR("fs_mgr_mount_all returned an error\n");
}
_exit(child_ret);
} else {
/* fork failed, return an error */
return -1;
}
if (ret == FS_MGR_MNTALL_DEV_NEEDS_ENCRYPTION) {
property_set("vold.decrypt", "trigger_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_MIGHT_BE_ENCRYPTED) {
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "block");
property_set("vold.decrypt", "trigger_default_encryption");
} else if (ret == FS_MGR_MNTALL_DEV_NOT_ENCRYPTED) {
property_set("ro.crypto.state", "unencrypted");
/* If fs_mgr determined this is an unencrypted device and we are
* not booting into ffbm(fast factory boot mode),then trigger
* that action.
*/
property_get("ro.bootmode", boot_mode);
if (strncmp(boot_mode, "ffbm", 4))
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NEEDS_RECOVERY) {
/* Setup a wipe via recovery, and reboot into recovery */
ERROR("fs_mgr_mount_all suggested recovery, so wiping data via recovery.\n");
ret = wipe_data_via_recovery();
/* If reboot worked, there is no return. */
} else if (ret == FS_MGR_MNTALL_DEV_DEFAULT_FILE_ENCRYPTED) {
if (e4crypt_install_keyring()) {
return -1;
}
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "file");
// Although encrypted, we have device key, so we do not need to
// do anything different from the nonencrypted case.
property_get("ro.bootmode", boot_mode);
if (strncmp(boot_mode, "ffbm", 4))
action_for_each_trigger("nonencrypted", action_add_queue_tail);
} else if (ret == FS_MGR_MNTALL_DEV_NON_DEFAULT_FILE_ENCRYPTED) {
if (e4crypt_install_keyring()) {
return -1;
}
property_set("ro.crypto.state", "encrypted");
property_set("ro.crypto.type", "file");
property_set("vold.decrypt", "trigger_restart_min_framework");
} else if (ret > 0) {
ERROR("fs_mgr_mount_all returned unexpected error %d\n", ret);
}
/* else ... < 0: error */
return ret;
}
int main(int argc, char *argv[])
{
int i;
int res = 1;
int cmd = CMD_NONE;
int stdout_fd;
char footer_location[256];
struct fstab *fstab;
struct fstab_part *p;
char *argument = NULL;
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("trampoline_encmnt");
mrom_set_dir("/mrom_enc/");
for(i = 1; i < argc; ++i)
{
if(!strcmp(argv[i], "-h") || !strcmp(argv[i], "--help"))
{
print_help(argv);
return 0;
}
else if(cmd == CMD_NONE)
{
if(strcmp(argv[i], "decrypt") == 0)
cmd = CMD_DECRYPT;
else if(strcmp(argv[i], "remove") == 0)
cmd = CMD_REMOVE;
else if(strcmp(argv[i], "pwtype") == 0)
cmd = CMD_PWTYPE;
}
else if(!argument)
{
argument = argv[i];
}
}
if(argc == 1 || cmd == CMD_NONE)
{
print_help(argv);
return 0;
}
fstab = fstab_auto_load();
if(!fstab)
{
ERROR("Failed to load fstab!");
return 1;
}
p = fstab_find_first_by_path(fstab, "/data");
if(!p)
{
ERROR("Failed to find /data partition in fstab\n");
goto exit;
}
strcpy(footer_location, "");
if(p->options != NULL && get_footer_from_opts(footer_location,
sizeof(footer_location), p->options) < 0)
goto exit;
if(p->options2 != NULL && strcmp(footer_location, "") == 0 &&
get_footer_from_opts(footer_location, sizeof(footer_location),
p->options2) < 0)
goto exit;
INFO("Setting encrypted partition data to %s %s %s\n", p->device, footer_location, p->type);
set_partition_data(p->device, footer_location, p->type);
// cryptfs prints informations, we don't want that
stdout_fd = dup(1);
freopen("/dev/null", "ae", stdout);
switch(cmd)
{
case CMD_PWTYPE:
if(handle_pwtype(stdout_fd) < 0)
goto exit;
break;
case CMD_DECRYPT:
if(handle_decrypt(stdout_fd, argument) < 0)
goto exit;
break;
case CMD_REMOVE:
if(handle_remove() < 0)
goto exit;
break;
}
res = 0;
exit:
fstab_destroy(fstab);
return res;
}
int main(int argc, const char *argv[])
{
int i;
const char *rom_to_boot = NULL;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d%s\n", VERSION_MULTIROM, VERSION_DEV_FIX);
fflush(stdout);
return 0;
}
else if(strncmp(argv[i], "--boot-rom=", sizeof("--boot-rom")) == 0)
{
rom_to_boot = argv[i] + sizeof("--boot-rom");
}
}
srand(time(0));
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("multirom");
ERROR("Running MultiROM v%d%s\n", VERSION_MULTIROM, VERSION_DEV_FIX);
// root is mounted read only in android and MultiROM uses
// it to store some temp files, so remount it.
// Yes, there is better solution to this.
if(rom_to_boot)
mount(NULL, "/", NULL, MS_REMOUNT, NULL);
int exit = multirom(rom_to_boot);
if(rom_to_boot)
mount(NULL, "/", NULL, MS_RDONLY | MS_REMOUNT, NULL);
if(exit >= 0)
{
if(exit & EXIT_REBOOT_RECOVERY)
do_reboot(REBOOT_RECOVERY);
else if(exit & EXIT_REBOOT_BOOTLOADER)
do_reboot(REBOOT_BOOTLOADER);
else if(exit & EXIT_SHUTDOWN)
do_reboot(REBOOT_SHUTDOWN);
else if(exit & EXIT_REBOOT)
do_reboot(REBOOT_SYSTEM);
if(exit & EXIT_KEXEC)
{
do_kexec();
return 0;
}
// indicates trampoline to keep /realdata mounted
if(!(exit & EXIT_UMOUNT))
close(open(KEEP_REALDATA, O_WRONLY | O_CREAT, 0000));
}
vt_set_mode(0);
return 0;
}
int main(int argc, char *argv[])
{
int i, res;
static char *const cmd[] = { "/init", NULL };
struct fstab *fstab = NULL;
char *inject_path = NULL;
char *mrom_dir = NULL;
int force_inject = 0;
for(i = 1; i < argc; ++i)
{
if(strcmp(argv[i], "-v") == 0)
{
printf("%d\n", VERSION_TRAMPOLINE);
fflush(stdout);
return 0;
}
else if(strstartswith(argv[i], "--inject="))
inject_path = argv[i] + strlen("--inject=");
else if(strstartswith(argv[i], "--mrom_dir="))
mrom_dir = argv[i] + strlen("--mrom_dir=");
else if(strcmp(argv[i], "-f") == 0)
force_inject = 1;
}
if(inject_path)
{
if(!mrom_dir)
{
printf("--mrom_dir=[path to multirom's data dir] needs to be specified!\n");
fflush(stdout);
return 1;
}
mrom_set_dir(mrom_dir);
mrom_set_log_tag("trampoline_inject");
return inject_bootimg(inject_path, force_inject);
}
umask(000);
// Init only the little we need, leave the rest for real init
mkdir("/dev", 0755);
mkdir("/dev/pts", 0755);
mkdir("/dev/socket", 0755);
mkdir("/proc", 0755);
mkdir("/sys", 0755);
mount("tmpfs", "/dev", "tmpfs", MS_NOSUID, "mode=0755");
mount("devpts", "/dev/pts", "devpts", 0, NULL);
mount("proc", "/proc", "proc", 0, NULL);
mount("sysfs", "/sys", "sysfs", 0, NULL);
mount("pstore", "/sys/fs/pstore", "pstore", 0, NULL);
#if MR_USE_DEBUGFS_MOUNT
// Mount the debugfs kernel sysfs
mkdir("/sys/kernel/debug", 0755);
mount("debugfs", "/sys/kernel/debug", "debugfs", 0, NULL);
#endif
klog_init();
// output all messages to dmesg,
// but it is possible to filter out INFO messages
klog_set_level(6);
mrom_set_log_tag("trampoline");
INFO("Running trampoline v%d\n", VERSION_TRAMPOLINE);
if(is_charger_mode())
{
INFO("Charger mode detected, skipping multirom\n");
goto run_main_init;
}
#if MR_DEVICE_HOOKS >= 3
tramp_hook_before_device_init();
#endif
INFO("Initializing devices...\n");
devices_init();
INFO("Done initializing\n");
if(wait_for_file("/dev/graphics/fb0", 5) < 0)
{
ERROR("Waiting too long for fb0");
goto exit;
}
#ifdef MR_POPULATE_BY_NAME_PATH
//nkk71 M7 hack
Populate_ByName_using_emmc();
#endif
fstab = fstab_auto_load();
if(!fstab)
goto exit;
#if 0
fstab_dump(fstab); //debug
#endif
// mount and run multirom from sdcard
if(mount_and_run(fstab) < 0 && mrom_is_second_boot())
{
ERROR("This is second boot and we couldn't mount /data, reboot!\n");
sync();
android_reboot(ANDROID_RB_RESTART, 0, 0);
while(1)
sleep(1);
}
exit:
if(fstab)
fstab_destroy(fstab);
// close and destroy everything
devices_close();
run_main_init:
umount("/dev/pts");
rmdir("/dev/pts");
rmdir("/dev/socket");
if(access(KEEP_REALDATA, F_OK) < 0)
{
umount(REALDATA);
umount("/dev");
rmdir(REALDATA);
encryption_destroy();
}
encryption_cleanup();
#if MR_USE_DEBUGFS_MOUNT
umount("/sys/kernel/debug");
#endif
umount("/proc");
umount("/sys/fs/pstore");
umount("/sys");
INFO("Running main_init\n");
fixup_symlinks();
chmod("/main_init", EXEC_MASK);
rename("/main_init", "/init");
res = execve(cmd[0], cmd, NULL);
ERROR("execve returned %d %d %s\n", res, errno, strerror(errno));
return 0;
}
int ueventd_main(int argc, char **argv)
{
struct pollfd ufd;
int nr;
char tmp[32];
/*
* init sets the umask to 077 for forked processes. We need to
* create files with exact permissions, without modification by
* the umask.
*/
umask(000);
/* Prevent fire-and-forget children from becoming zombies.
* If we should need to wait() for some children in the future
* (as opposed to none right now), double-forking here instead
* of ignoring SIGCHLD may be the better solution.
*/
signal(SIGCHLD, SIG_IGN);
open_devnull_stdio();
klog_init();
#if LOG_UEVENTS
/* Ensure we're at a logging level that will show the events */
if (klog_get_level() < KLOG_INFO_LEVEL) {
klog_set_level(KLOG_INFO_LEVEL);
}
#endif
union selinux_callback cb;
cb.func_log = log_callback;
selinux_set_callback(SELINUX_CB_LOG, cb);
INFO("starting ueventd\n");
/* Respect hardware passed in through the kernel cmd line. Here we will look
* for androidboot.hardware param in kernel cmdline, and save its value in
* hardware[]. */
import_kernel_cmdline(0, import_kernel_nv);
get_hardware_name(hardware, &revision);
ueventd_parse_config_file("/ueventd.rc");
snprintf(tmp, sizeof(tmp), "/ueventd.%s.rc", hardware);
ueventd_parse_config_file(tmp);
device_init();
ufd.events = POLLIN;
ufd.fd = get_device_fd();
while(1) {
ufd.revents = 0;
nr = poll(&ufd, 1, -1);
if (nr <= 0)
continue;
if (ufd.revents & POLLIN)
handle_device_fd();
}
}
