More flakes work

Removed old git submodules
Started adding Windows cross compilation support
This commit is contained in:
Andrew Rioux 2024-01-24 00:56:53 -05:00
parent 4475d23d1d
commit 862dc3e743
Signed by: andrew.rioux
GPG Key ID: 9B8BAC47C17ABB94
11 changed files with 435 additions and 370 deletions

6
.gitmodules vendored
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@ -1,6 +0,0 @@
[submodule "pcap-sys/libpcap"]
path = pcap-sys/libpcap
url = https://github.com/the-tcpdump-group/libpcap
[submodule "nl-sys/libnl"]
path = nl-sys/libnl
url = https://github.com/thom311/libnl

61
flake.lock generated
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@ -20,6 +20,27 @@
"type": "github"
}
},
"fenix": {
"inputs": {
"nixpkgs": [
"nixpkgs"
],
"rust-analyzer-src": "rust-analyzer-src"
},
"locked": {
"lastModified": 1705991032,
"narHash": "sha256-C+ePPXLMOxkJfJMqihUC1XbNr9Xy2F6BpWrmGDsgzXk=",
"owner": "nix-community",
"repo": "fenix",
"rev": "2189a3d994aaee6f83d3fc92deb13c458dd03dbd",
"type": "github"
},
"original": {
"owner": "nix-community",
"repo": "fenix",
"type": "github"
}
},
"flake-utils": {
"inputs": {
"systems": "systems"
@ -107,11 +128,30 @@
"root": {
"inputs": {
"crane": "crane",
"fenix": "fenix",
"flake-utils": "flake-utils",
"libnl": "libnl",
"libpcap-src": "libpcap-src",
"nixpkgs": "nixpkgs",
"rust-overlay": "rust-overlay"
"rust-overlay": "rust-overlay",
"winpcap": "winpcap"
}
},
"rust-analyzer-src": {
"flake": false,
"locked": {
"lastModified": 1705864945,
"narHash": "sha256-ZATChFWHToTZQFLlzrzDUX8fjEbMHHBIyPaZU1JGmjI=",
"owner": "rust-lang",
"repo": "rust-analyzer",
"rev": "d410d4a2baf9e99b37b03dd42f06238b14374bf7",
"type": "github"
},
"original": {
"owner": "rust-lang",
"ref": "nightly",
"repo": "rust-analyzer",
"type": "github"
}
},
"rust-overlay": {
@ -122,11 +162,11 @@
]
},
"locked": {
"lastModified": 1705976279,
"narHash": "sha256-Zx97bJ3+O8IP70uJPD//rRsr8bcxICISMTZUT/L9eFk=",
"lastModified": 1706062676,
"narHash": "sha256-aIgYdyQyKRHZ8gSmke3DE09D5ypK4tP+XYqrKPAd/3M=",
"owner": "oxalica",
"repo": "rust-overlay",
"rev": "f889dc31ef97835834bdc3662394ebdb3c96b974",
"rev": "81eb4bdb219d97d749f152eb4de6a081b088b08d",
"type": "github"
},
"original": {
@ -164,6 +204,19 @@
"repo": "default",
"type": "github"
}
},
"winpcap": {
"flake": false,
"locked": {
"lastModified": 1277475016,
"narHash": "sha256-lea+6c9obTpxWosi2xRXUxV4+whsCTWMJ7wxZNASRz8=",
"type": "tarball",
"url": "https://www.winpcap.org/install/bin/WpdPack_4_1_2.zip"
},
"original": {
"type": "tarball",
"url": "https://www.winpcap.org/install/bin/WpdPack_4_1_2.zip"
}
}
},
"root": "root",

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@ -12,6 +12,10 @@
inputs.nixpkgs.follows = "nixpkgs";
};
flake-utils.url = "github:numtide/flake-utils";
fenix = {
url = "github:nix-community/fenix";
inputs.nixpkgs.follows = "nixpkgs";
};
libpcap-src = {
url = "git+https://github.com/the-tcpdump-group/libpcap";
@ -21,15 +25,19 @@
url = "git+https://github.com/thom311/libnl";
flake = false;
};
winpcap = {
url = "https://www.winpcap.org/install/bin/WpdPack_4_1_2.zip";
flake = false;
};
};
outputs =
{ self, nixpkgs, flake-utils, crane, rust-overlay, libpcap-src, libnl }:
outputs = { self, nixpkgs, flake-utils, crane, fenix, rust-overlay
, libpcap-src, libnl, winpcap }:
flake-utils.lib.eachDefaultSystem (system:
let
pkgs = import nixpkgs {
inherit system;
overlays = [ (import rust-overlay) ];
overlays = [ (import rust-overlay) fenix.overlays.default ];
};
buildTools = with pkgs; [
@ -104,33 +112,20 @@
cargoExtraArgs = "-p sparse-c2-beacon --locked";
});
in with pkgs; {
devShells.default = craneLib.devShell rec {
devShells.default = craneLib.devShell {
name = "sparse";
buildInputs = buildTools;
buildInputs = windowsBuildTools ++ [ rust-analyzer ];
SPARSE_BUILD_LIBPCAP = "${libpcap-src}";
SPARSE_BUILD_LIBNL = "${libnl}";
};
packages = rec {
packages = {
inherit sparse-05-linux-server sparse-05-windows-server;
inherit sparse-c2-linux-beacon;
default = sparse-c2-linux-beacon;
windows = craneLib.buildPackage (commonArgs // {
doCheck = false;
CARGO_BUILD_TARGET = "x86_64-pc-windows-gnu";
depsBuildBuild = [
pkgsCross.mingwW64.stdenv.cc
pkgsCross.mingwW64.windows.pthreads
];
artifacts = windowsArtifacts;
});
};
});
}

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@ -22,7 +22,8 @@ fn main() -> std::io::Result<()> {
let mut options = CopyOptions::new();
options.copy_inside = true;
copy(std::env!("SPARSE_BUILD_LIBNL"), &libnl_src, &options);
options.skip_exist = true;
copy(std::env!("SPARSE_BUILD_LIBNL"), &libnl_src, &options).expect("could not copy nl");
let dst = autotools::Config::new(libnl_src).reconf("-vi").build();

@ -1 +0,0 @@
Subproject commit cbafad9ddf24caef5230fef715d34f0539603be0

View File

@ -23,7 +23,8 @@ fn main() {
let mut options = CopyOptions::new();
options.copy_inside = true;
copy(std::env!("SPARSE_BUILD_LIBPCAP"), &libpcap_src, &options);
options.skip_exist = true;
copy(std::env!("SPARSE_BUILD_LIBPCAP"), &libpcap_src, &options).expect("could not copy libpcap source code to build");
let dst = cmake::Config::new(&libpcap_src)
.define("BUILD_SHARED_LIBS", "OFF")

@ -1 +0,0 @@
Subproject commit ab3f6a677ba66a9679c6f3412f0320a5776842d0

View File

@ -14,17 +14,15 @@
// along with this program. If not, see <http://www.gnu.org/licenses/>.
use std::{
collections::HashMap,
ffi::{CStr, CString},
os::fd::{AsRawFd, RawFd},
pin::Pin,
ptr, slice,
task::{self, Poll},
ptr, slice
};
pub mod error;
mod ffi;
pub use packets;
#[cfg(target_os = "linux")]
pub mod stream;
pub mod consts {
pub use super::ffi::{
@ -51,9 +49,6 @@ pub mod consts {
}
use ffi::PcapDevIf;
use futures::{ready, StreamExt};
use tokio::io::unix::AsyncFd;
use tokio_stream::StreamMap;
pub struct PcapDevIterator {
dev_if: *const PcapDevIf,
@ -409,327 +404,15 @@ impl<T: NotListening> Interface<T> {
(info.fail_error, count)
}
pub fn stream(mut self) -> error::Result<InterfaceStream<DevActivated>> {
#[cfg(target_os = "linux")]
pub fn stream(mut self) -> error::Result<stream::InterfaceStream<DevActivated>> {
self.set_non_blocking(true)?;
Ok(InterfaceStream {
inner: AsyncFd::with_interest(
InternalInterfaceStream::<DevActivated>::new(unsafe { std::mem::transmute(self) })?,
Ok(stream::InterfaceStream {
inner: tokio::io::unix::AsyncFd::with_interest(
stream::InternalInterfaceStream::<DevActivated>::new(unsafe { std::mem::transmute(self) })?,
tokio::io::Interest::READABLE,
)?,
})
}
}
struct InternalInterfaceStream<T: Activated> {
interface: Interface<T>,
fd: RawFd,
}
impl<T: Activated> InternalInterfaceStream<T> {
fn new(interface: Interface<T>) -> error::Result<InternalInterfaceStream<T>> {
let fd = unsafe { ffi::pcap_get_selectable_fd(interface.dev) };
if fd == -1 {
return Err(error::Error::InvalidPcapFd);
}
Ok(Self { interface, fd })
}
}
impl<T: Activated> AsRawFd for InternalInterfaceStream<T> {
fn as_raw_fd(&self) -> RawFd {
self.fd
}
}
pub struct InterfaceStream<T: Activated> {
inner: AsyncFd<InternalInterfaceStream<T>>,
}
impl<T: Activated> InterfaceStream<T> {
pub fn sendpacket(&mut self, packet: packets::EthernetPkt) -> error::Result<()> {
self.inner.get_mut().interface.sendpacket(packet)
}
pub fn set_filter(
&mut self,
filter: &str,
optimize: bool,
mask: Option<u32>,
) -> error::Result<Box<ffi::BpfProgram>> {
self.inner
.get_mut()
.interface
.set_filter(filter, optimize, mask)
}
}
impl<T: Activated> Unpin for InterfaceStream<T> {}
impl<T: Activated> futures::Stream for InterfaceStream<T> {
type Item = error::Result<packets::EthernetPacket>;
fn poll_next(self: Pin<&mut Self>, cx: &mut task::Context) -> Poll<Option<Self::Item>> {
let stream = Pin::into_inner(self);
loop {
let mut guard = ready!(stream.inner.poll_read_ready_mut(cx))?;
match guard.try_io(|inner| match inner.get_mut().interface.next_packet() {
Ok(p) => Ok(Ok(p)),
Err(e) => Ok(Err(e)),
}) {
Ok(result) => {
return Poll::Ready(Some(result?));
}
Err(_would_block) => continue,
}
}
}
}
pub fn new_aggregate_interface_filtered<F>(
crash: bool,
mut f: F,
) -> error::Result<AggregateInterface<DevDisabled>>
where
F: FnMut(&str) -> bool,
{
let interfaces = if crash {
PcapDevIterator::new()?
.filter(|s| (f)(s))
.map(|if_name| {
let new_name = if_name.clone();
Interface::<DevDisabled>::new(&if_name)
.map(|interface| (if_name, interface))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<HashMap<_, _>>>()?
} else {
PcapDevIterator::new()?
.filter(|s| (f)(s))
.filter_map(|if_name| {
let new_name = if_name.clone();
Interface::<DevDisabled>::new(&if_name)
.map(|interface| (if_name, interface))
.ok()
.or_else(|| {
println!("{} failed to create device", new_name);
None
})
})
.collect::<HashMap<_, _>>()
};
Ok(AggregateInterface { interfaces, crash })
}
pub fn new_aggregate_interface(crash: bool) -> error::Result<AggregateInterface<DevDisabled>> {
new_aggregate_interface_filtered(crash, |_| true)
}
pub struct AggregateInterface<T: State> {
interfaces: HashMap<String, Interface<T>>,
crash: bool,
}
impl<T: State> AggregateInterface<T> {
pub fn set_non_blocking(&mut self, nonblocking: bool) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_non_blocking(nonblocking)
.map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn lookupnets(&self) -> error::Result<HashMap<&str, (u32, u32)>> {
self.interfaces
.iter()
.map(|(name, interface)| {
interface
.lookupnet()
.map(|net| (&**name, net))
.map_err(|e| e.add_ifname(&name))
})
.collect::<error::Result<_>>()
}
pub fn get_ifnames(&self) -> Vec<&str> {
self.interfaces.keys().map(|n| &**n).collect::<_>()
}
}
impl<T: Disabled> AggregateInterface<T> {
pub fn set_promisc(&mut self, promisc: bool) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_promisc(promisc).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn set_buffer_size(&mut self, bufsize: i32) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_buffer_size(bufsize).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn set_timeout(&mut self, timeout: i32) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_timeout(timeout).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn activate(self) -> error::Result<AggregateInterface<DevActivated>> {
Ok(AggregateInterface {
interfaces: if self.crash {
self.interfaces
.into_iter()
.map(|(name, interface)| {
let new_name = name.clone();
interface
.activate()
.map(|interface| (name, interface))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<_>>()?
} else {
self.interfaces
.into_iter()
.filter_map(|(name, interface)| {
let name_clone = name.clone();
interface
.activate()
.map(|interface| (name, interface))
.ok()
.or_else(|| {
println!("{} failed to activate", name_clone);
None
})
})
.collect::<_>()
},
crash: self.crash,
})
}
}
impl<T: Activated> AggregateInterface<T> {
pub fn datalinks(&self) -> HashMap<&str, i32> {
self.interfaces
.iter()
.map(|(name, interface)| (&**name, interface.datalink()))
.collect::<_>()
}
pub fn prune<F>(&mut self, mut f: F)
where
F: FnMut(&str, &mut Interface<T>) -> bool,
{
let to_prune = self
.interfaces
.iter_mut()
.filter_map(|(k, v)| if (f)(k, v) { Some(k.clone()) } else { None })
.collect::<Vec<_>>();
for name in to_prune {
self.interfaces.remove(&name);
}
}
pub fn set_filter(
&mut self,
filter: &str,
optimize: bool,
mask: Option<u32>,
) -> error::Result<HashMap<&str, Box<ffi::BpfProgram>>> {
if self.crash {
self.interfaces
.iter_mut()
.map(|(name, interface)| {
interface
.set_filter(filter, optimize, mask)
.map(|bpf| (&**name, bpf))
.map_err(|e| e.add_ifname(&name))
})
.collect::<error::Result<_>>()
} else {
Ok(self
.interfaces
.iter_mut()
.filter_map(|(name, interface)| {
let name_clone = name.clone();
interface
.set_filter(filter, optimize, mask)
.map(|bpf| (&**name, bpf))
.ok()
.or_else(|| {
println!("{} failed to set filter", name_clone);
None
})
})
.collect::<_>())
}
}
pub fn sendpacket(&self, ifname: &str, packet: packets::EthernetPkt) -> error::Result<()> {
if let Some(interface) = self.interfaces.get(ifname) {
interface
.sendpacket(packet)
.map_err(|e| e.add_ifname(ifname))?;
}
Ok(())
}
}
impl<T: NotListening> AggregateInterface<T> {
pub fn stream(self) -> error::Result<AggregateInterfaceStream<DevActivated>> {
Ok(AggregateInterfaceStream {
streams: self
.interfaces
.into_iter()
.map(|(ifname, interface)| {
let new_name = ifname.clone();
interface
.stream()
.map(|stream| (ifname, stream))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<_>>()?,
})
}
}
pub struct AggregateInterfaceStream<T: Activated> {
streams: StreamMap<String, InterfaceStream<T>>,
}
impl<T: Activated> AggregateInterfaceStream<T> {
pub fn get_ifnames(&self) -> Vec<&str> {
self.streams.keys().map(|n| &**n).collect::<_>()
}
pub fn sendpacket(&mut self, ifname: &str, packet: packets::EthernetPkt) -> error::Result<()> {
if let Some(interface) = self.streams.values_mut().find(|interface| {
interface.inner.get_ref().interface.dev_name.as_bytes() == ifname.as_bytes()
}) {
interface.sendpacket(packet)?;
}
Ok(())
}
}
impl<T: Activated> futures::Stream for AggregateInterfaceStream<T> {
type Item = (String, error::Result<packets::EthernetPacket>);
fn poll_next(mut self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Option<Self::Item>> {
self.streams.poll_next_unpin(cx)
}
}

340
pcap-sys/src/stream.rs Normal file
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@ -0,0 +1,340 @@
// Copyright (C) 2023 Andrew Rioux
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
use std::{
collections::HashMap,
os::fd::{AsRawFd, RawFd},
pin::Pin,
task::{self, Poll},
};
use futures::{ready, StreamExt};
use tokio::io::unix::AsyncFd;
use tokio_stream::StreamMap;
use super::{error, ffi, packets, Activated, NotListening, Disabled, State, Interface, DevActivated, DevDisabled, PcapDevIterator};
pub(crate) struct InternalInterfaceStream<T: Activated> {
interface: Interface<T>,
fd: RawFd,
}
impl<T: Activated> InternalInterfaceStream<T> {
pub(crate) fn new(interface: Interface<T>) -> error::Result<InternalInterfaceStream<T>> {
let fd = unsafe { ffi::pcap_get_selectable_fd(interface.dev) };
if fd == -1 {
return Err(error::Error::InvalidPcapFd);
}
Ok(Self { interface, fd })
}
}
impl<T: Activated> AsRawFd for InternalInterfaceStream<T> {
fn as_raw_fd(&self) -> RawFd {
self.fd
}
}
pub struct InterfaceStream<T: Activated> {
pub(crate) inner: AsyncFd<InternalInterfaceStream<T>>,
}
impl<T: Activated> InterfaceStream<T> {
pub fn sendpacket(&mut self, packet: packets::EthernetPkt) -> error::Result<()> {
self.inner.get_mut().interface.sendpacket(packet)
}
pub fn set_filter(
&mut self,
filter: &str,
optimize: bool,
mask: Option<u32>,
) -> error::Result<Box<ffi::BpfProgram>> {
self.inner
.get_mut()
.interface
.set_filter(filter, optimize, mask)
}
}
impl<T: Activated> Unpin for InterfaceStream<T> {}
impl<T: Activated> futures::Stream for InterfaceStream<T> {
type Item = error::Result<packets::EthernetPacket>;
fn poll_next(self: Pin<&mut Self>, cx: &mut task::Context) -> Poll<Option<Self::Item>> {
let stream = Pin::into_inner(self);
loop {
let mut guard = ready!(stream.inner.poll_read_ready_mut(cx))?;
match guard.try_io(|inner| match inner.get_mut().interface.next_packet() {
Ok(p) => Ok(Ok(p)),
Err(e) => Ok(Err(e)),
}) {
Ok(result) => {
return Poll::Ready(Some(result?));
}
Err(_would_block) => continue,
}
}
}
}
pub fn new_aggregate_interface_filtered<F>(
crash: bool,
mut f: F,
) -> error::Result<AggregateInterface<DevDisabled>>
where
F: FnMut(&str) -> bool,
{
let interfaces = if crash {
PcapDevIterator::new()?
.filter(|s| (f)(s))
.map(|if_name| {
let new_name = if_name.clone();
Interface::<DevDisabled>::new(&if_name)
.map(|interface| (if_name, interface))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<HashMap<_, _>>>()?
} else {
PcapDevIterator::new()?
.filter(|s| (f)(s))
.filter_map(|if_name| {
let new_name = if_name.clone();
Interface::<DevDisabled>::new(&if_name)
.map(|interface| (if_name, interface))
.ok()
.or_else(|| {
println!("{} failed to create device", new_name);
None
})
})
.collect::<HashMap<_, _>>()
};
Ok(AggregateInterface { interfaces, crash })
}
pub fn new_aggregate_interface(crash: bool) -> error::Result<AggregateInterface<DevDisabled>> {
new_aggregate_interface_filtered(crash, |_| true)
}
pub struct AggregateInterface<T: State> {
interfaces: HashMap<String, Interface<T>>,
crash: bool,
}
impl<T: State> AggregateInterface<T> {
pub fn set_non_blocking(&mut self, nonblocking: bool) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_non_blocking(nonblocking)
.map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn lookupnets(&self) -> error::Result<HashMap<&str, (u32, u32)>> {
self.interfaces
.iter()
.map(|(name, interface)| {
interface
.lookupnet()
.map(|net| (&**name, net))
.map_err(|e| e.add_ifname(&name))
})
.collect::<error::Result<_>>()
}
pub fn get_ifnames(&self) -> Vec<&str> {
self.interfaces.keys().map(|n| &**n).collect::<_>()
}
}
impl<T: Disabled> AggregateInterface<T> {
pub fn set_promisc(&mut self, promisc: bool) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_promisc(promisc).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn set_buffer_size(&mut self, bufsize: i32) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_buffer_size(bufsize).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn set_timeout(&mut self, timeout: i32) -> error::Result<()> {
for (n, i) in self.interfaces.iter_mut() {
i.set_timeout(timeout).map_err(|e| e.add_ifname(n))?;
}
Ok(())
}
pub fn activate(self) -> error::Result<AggregateInterface<DevActivated>> {
Ok(AggregateInterface {
interfaces: if self.crash {
self.interfaces
.into_iter()
.map(|(name, interface)| {
let new_name = name.clone();
interface
.activate()
.map(|interface| (name, interface))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<_>>()?
} else {
self.interfaces
.into_iter()
.filter_map(|(name, interface)| {
let name_clone = name.clone();
interface
.activate()
.map(|interface| (name, interface))
.ok()
.or_else(|| {
println!("{} failed to activate", name_clone);
None
})
})
.collect::<_>()
},
crash: self.crash,
})
}
}
impl<T: Activated> AggregateInterface<T> {
pub fn datalinks(&self) -> HashMap<&str, i32> {
self.interfaces
.iter()
.map(|(name, interface)| (&**name, interface.datalink()))
.collect::<_>()
}
pub fn prune<F>(&mut self, mut f: F)
where
F: FnMut(&str, &mut Interface<T>) -> bool,
{
let to_prune = self
.interfaces
.iter_mut()
.filter_map(|(k, v)| if (f)(k, v) { Some(k.clone()) } else { None })
.collect::<Vec<_>>();
for name in to_prune {
self.interfaces.remove(&name);
}
}
pub fn set_filter(
&mut self,
filter: &str,
optimize: bool,
mask: Option<u32>,
) -> error::Result<HashMap<&str, Box<ffi::BpfProgram>>> {
if self.crash {
self.interfaces
.iter_mut()
.map(|(name, interface)| {
interface
.set_filter(filter, optimize, mask)
.map(|bpf| (&**name, bpf))
.map_err(|e| e.add_ifname(&name))
})
.collect::<error::Result<_>>()
} else {
Ok(self
.interfaces
.iter_mut()
.filter_map(|(name, interface)| {
let name_clone = name.clone();
interface
.set_filter(filter, optimize, mask)
.map(|bpf| (&**name, bpf))
.ok()
.or_else(|| {
println!("{} failed to set filter", name_clone);
None
})
})
.collect::<_>())
}
}
pub fn sendpacket(&self, ifname: &str, packet: packets::EthernetPkt) -> error::Result<()> {
if let Some(interface) = self.interfaces.get(ifname) {
interface
.sendpacket(packet)
.map_err(|e| e.add_ifname(ifname))?;
}
Ok(())
}
}
impl<T: NotListening> AggregateInterface<T> {
pub fn stream(self) -> error::Result<AggregateInterfaceStream<DevActivated>> {
Ok(AggregateInterfaceStream {
streams: self
.interfaces
.into_iter()
.map(|(ifname, interface)| {
let new_name = ifname.clone();
interface
.stream()
.map(|stream| (ifname, stream))
.map_err(|e| e.add_ifname(&new_name))
})
.collect::<error::Result<_>>()?,
})
}
}
pub struct AggregateInterfaceStream<T: Activated> {
streams: StreamMap<String, InterfaceStream<T>>,
}
impl<T: Activated> AggregateInterfaceStream<T> {
pub fn get_ifnames(&self) -> Vec<&str> {
self.streams.keys().map(|n| &**n).collect::<_>()
}
pub fn sendpacket(&mut self, ifname: &str, packet: packets::EthernetPkt) -> error::Result<()> {
if let Some(interface) = self.streams.values_mut().find(|interface| {
interface.inner.get_ref().interface.dev_name.as_bytes() == ifname.as_bytes()
}) {
interface.sendpacket(packet)?;
}
Ok(())
}
}
impl<T: Activated> futures::Stream for AggregateInterfaceStream<T> {
type Item = (String, error::Result<packets::EthernetPacket>);
fn poll_next(mut self: Pin<&mut Self>, cx: &mut task::Context<'_>) -> Poll<Option<Self::Item>> {
self.streams.poll_next_unpin(cx)
}
}

View File

@ -1,5 +1,5 @@
[toolchain]
channel = "stable"
components = [ "rustfmt", "rust-std", "rustc-dev" ]
components = []
targets = [ "x86_64-pc-windows-gnu", "x86_64-unknown-linux-musl" ]
profile = "minimal"

View File

@ -1,8 +1,8 @@
use std::net::{Ipv4Addr, SocketAddrV4, UdpSocket};
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
use std::{sync::Arc, thread};
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
use anyhow::{anyhow, bail};
use packets::{self, EthernetPkt};
@ -17,7 +17,7 @@ pub enum Interface {
impl Interface {
pub fn new(ttype: TransportType, port: u16) -> anyhow::Result<Interface> {
match ttype {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
TransportType::RawUdp => {
let mut interfaces = pcap_sys::PcapDevIterator::new()?;
let interface_name = interfaces
@ -52,7 +52,7 @@ impl Interface {
retry!(interface.set_promisc(false));
retry!(interface.set_timeout(10));
let mut interface = retry!(interface.activate());
let interface = retry!(interface.activate());
retry!(interface.set_filter(&format!("inbound and port {port}"), true, None));
@ -65,7 +65,7 @@ impl Interface {
Ok(Interface::RawUdp(interface, port))
}
#[cfg(target_os = "windows")]
#[cfg(not(feature = "pcap"))]
TransportType::RawUdp => {
panic!("transport not available!");
}
@ -78,7 +78,7 @@ impl Interface {
pub fn split(self) -> anyhow::Result<(InterfaceSender, InterfaceReceiver)> {
match self {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
Self::RawUdp(interface, _) => {
let arc = Arc::new(interface);
Ok((
@ -98,7 +98,7 @@ impl Interface {
}
pub enum InterfaceSender {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
RawUdp(Arc<pcap_sys::Interface<pcap_sys::DevActivated>>),
Udp(UdpSocket),
}
@ -106,7 +106,7 @@ pub enum InterfaceSender {
impl InterfaceSender {
pub fn sendpacket(&self, packet: EthernetPkt) -> anyhow::Result<()> {
match self {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
Self::RawUdp(interf) => Ok(interf.sendpacket(packet)?),
Self::Udp(interf) => {
use packets::*;
@ -128,7 +128,7 @@ impl InterfaceSender {
}
pub enum InterfaceReceiver {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
RawUdp(Arc<pcap_sys::Interface<pcap_sys::DevActivated>>),
Udp(UdpSocket, u16),
}
@ -139,7 +139,7 @@ impl InterfaceReceiver {
F: FnMut(packets::EthernetPacket) -> anyhow::Result<()>,
{
match self {
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
Self::RawUdp(interf) => interf.listen(
move |_, packet| {
let _ = (f)(packet.to_owned());
@ -176,7 +176,7 @@ impl InterfaceReceiver {
},
};
#[cfg(target_os = "linux")]
#[cfg(feature = "pcap")]
Ok(())
}
}