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This commit is contained in:
5ec1cff
2023-12-12 12:12:42 +08:00
parent 483987b7e6
commit feb34c701d
5 changed files with 80 additions and 20 deletions
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1
zygiskd/src/constants.rs
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@@ -26,6 +26,7 @@ pub const PATH_CP_BIN64: &str = "bin/zygisk-cp64";
pub const PATH_PT_BIN32: &str = "bin/zygisk-ptracer32";
pub const PATH_PT_BIN64: &str = "bin/zygisk-ptracer64";
pub const ZYGOTE_INJECTED: i32 = lp_select!(5, 4);
pub const DAEMON_SET_INFO: i32 = lp_select!(7, 6);
pub const MAX_RESTART_COUNT: i32 = 5;

3
zygiskd/src/utils.rs
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@@ -203,10 +203,13 @@ pub fn unix_listener_from_path(path: &str) -> Result<UnixListener> {
}
pub fn unix_datagram_sendto_abstract(path: &str, buf: &[u8]) -> Result<()> {
// FIXME: shall we set create context every time?
set_socket_create_context(get_current_attr()?.as_str())?;
let addr = SocketAddrUnix::new_abstract_name(path.as_bytes())?;
let socket = socket(AddressFamily::UNIX, SocketType::DGRAM, None)?;
connect_unix(&socket, &addr)?;
sendto_unix(socket, buf, SendFlags::empty(), &addr)?;
set_socket_create_context("u:r:zygote:s0")?;
Ok(())
}

22
zygiskd/src/zygiskd.rs
View File

@@ -32,11 +32,26 @@ struct Context {
pub fn main() -> Result<()> {
log::info!("Welcome to Zygisk Next ({}) !", constants::ZKSU_VERSION);
let magic_path = std::env::var("MAGIC")?;
let controller_path = format!("init_monitor{}", magic_path);
log::info!("socket path {}", controller_path);
let arch = get_arch()?;
log::debug!("Daemon architecture: {arch}");
let modules = load_modules(arch)?;
{
let module_names: Vec<_> = modules.iter()
.map(|m| m.name.as_str()).collect();
let module_info = format!("loaded {} module(s):{}", modules.len(), module_names.join(","));
let mut msg = Vec::<u8>::new();
msg.extend_from_slice(&constants::DAEMON_SET_INFO.to_le_bytes());
msg.extend_from_slice(&(module_info.len() as u32 + 1).to_le_bytes());
msg.extend_from_slice(module_info.as_bytes());
msg.extend_from_slice(&[0u8]);
utils::unix_datagram_sendto_abstract(controller_path.as_str(), msg.as_slice()).expect("failed to send info");
}
let context = Context {
modules,
};
@@ -50,13 +65,8 @@ pub fn main() -> Result<()> {
log::trace!("New daemon action {:?}", action);
match action {
DaemonSocketAction::PingHeartbeat => {
utils::set_socket_create_context(utils::get_current_attr()?.as_str())?;
let magic_path = std::env::var("MAGIC")?;
let socket_path = format!("init_monitor{}", magic_path);
log::info!("socket path {}", socket_path);
let value = constants::ZYGOTE_INJECTED;
utils::unix_datagram_sendto_abstract(socket_path.as_str(), &value.to_le_bytes())?;
utils::set_socket_create_context("u:r:zygote:s0")?;
utils::unix_datagram_sendto_abstract(controller_path.as_str(), &value.to_le_bytes())?;
}
DaemonSocketAction::ZygoteRestart => {
info!("Zygote restarted, clean up companions");