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Fixed accept socket call

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This commit is contained in:
Syrus Akbary 2018-12-05 16:16:17 -08:00
parent d2d8a0c039
commit e09205a391
1 changed files with 26 additions and 11 deletions
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37
src/apis/emscripten/syscalls.rs
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@ -61,7 +61,8 @@ use libc::{
sockaddr_in,
FIOCLEX,
SOL_SOCKET,
TIOCGWINSZ
TIOCGWINSZ,
c_char
};
// use std::sys::fd::FileDesc;
@ -249,6 +250,11 @@ pub extern "C" fn ___syscall102(
// debug!("GuestSockaddrIn = {}", size_of::<GuestSockaddrIn>());
pub struct LinuxSockAddr {
pub sa_family: u16,
pub sa_data: [c_char; 14],
}
match call {
1 => {
debug!("socket: socket");
@ -336,9 +342,9 @@ pub extern "C" fn ___syscall102(
debug!("socket: accept");
// accept (socket: c_int, address: *mut sockaddr, address_len: *mut socklen_t) -> c_int
let socket: i32 = socket_varargs.get(instance);
let address: u32 = socket_varargs.get(instance);
let address_addr: u32 = socket_varargs.get(instance);
let address_len: u32 = socket_varargs.get(instance);
let address = instance.memory_offset_addr(0, address as usize) as *mut sockaddr;
let address = instance.memory_offset_addr(0, address_addr as usize) as *mut sockaddr;
debug!("=> socket: {}, address: {:?}, address_len: {}", socket, address, address_len);
@ -349,14 +355,23 @@ pub extern "C" fn ___syscall102(
let fd = unsafe { accept(socket, address, address_len_addr) };
// Debug received address
unsafe {
let proper_address = address as *const GuestSockaddrIn;
debug!(
"=> address.sin_family: {:?}, address.sin_port: {:?}, address.sin_addr.s_addr: {:?}",
(*proper_address).sin_family, (*proper_address).sin_port, (*proper_address).sin_addr.s_addr
);
}
unsafe {
let address_linux = instance.memory_offset_addr(0, address_addr as usize) as *mut LinuxSockAddr;
(*address_linux).sa_family = (*address).sa_family as u16;
(*address_linux).sa_data = (*address).sa_data;
};
// // Debug received address
// unsafe {
// let proper_address = address as *const GuestSockaddrIn;
// debug!(
// "=> address.sin_family: {:?}, address.sin_port: {:?}, address.sin_addr.s_addr: {:?}",
// (*proper_address).sin_family, (*proper_address).sin_port, (*proper_address).sin_addr.s_addr
// );
// debug!(
// "=> address.sa_family: {:?}",
// (*address).sa_family
// );
// }
// set_cloexec
unsafe {
ioctl(fd, FIOCLEX);