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26 lines
680 B
Rust
26 lines
680 B
Rust
// SPDX-License-Identifier: MPL-2.0
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use super::SyscallReturn;
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use crate::{
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fs::file_table::FileDesc,
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prelude::*,
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util::net::{get_socket_from_fd, write_socket_addr_to_user},
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};
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pub fn sys_getpeername(
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sockfd: FileDesc,
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addr: Vaddr,
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addrlen_ptr: Vaddr,
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_ctx: &Context,
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) -> Result<SyscallReturn> {
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debug!("sockfd = {sockfd}, addr = 0x{addr:x}, addrlen_ptr = 0x{addrlen_ptr:x}");
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let peer_addr = {
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let socket = get_socket_from_fd(sockfd)?;
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socket.peer_addr()?
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};
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// FIXME: trunscate write len if addrlen is not big enough
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write_socket_addr_to_user(&peer_addr, addr, addrlen_ptr)?;
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Ok(SyscallReturn::Return(0))
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}
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