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Fix #147

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This commit is contained in:
Andrea Fioraldi 2021-06-04 14:03:31 +02:00
parent de933fee63
commit 42997dbde9
1 changed files with 58 additions and 21 deletions
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79
libafl/src/events/llmp.rs
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@ -19,7 +19,7 @@ use std::net::{SocketAddr, ToSocketAddrs};
use crate::{
bolts::{
llmp::{self, Flags, LlmpClientDescription, LlmpSender, Tag},
llmp::{self, Flags, LlmpClientDescription, LlmpConnection, LlmpSender, Tag},
shmem::ShMemProvider,
},
events::{BrokerEventResult, Event, EventFirer, EventManager, EventProcessor, EventRestarter},
@ -273,6 +273,16 @@ where
OT: ObserversTuple,
SP: ShMemProvider + 'static,
{
/// Create a manager from a raw llmp client
pub fn new(llmp: llmp::LlmpClient<SP>) -> Result<Self, Error> {
Ok(Self {
llmp,
#[cfg(feature = "llmp_compression")]
compressor: GzipCompressor::new(COMPRESS_THRESHOLD),
phantom: PhantomData,
})
}
/// Create llmp on a port
/// If the port is not yet bound, it will act as broker
/// Else, it will act as client.
@ -715,36 +725,63 @@ where
)
.is_err()
{
let broker_things = |mut broker: LlmpEventBroker<I, SP, ST>, remote_broker_addr| {
if let Some(remote_broker_addr) = remote_broker_addr {
println!("B2b: Connecting to {:?}", &remote_broker_addr);
broker.connect_b2b(remote_broker_addr)?;
};
broker.broker_loop()
};
// We get here if we are on Unix, or we are a broker on Windows.
let core_id = match self.kind {
ManagerKind::Broker | ManagerKind::Any => {
let mut broker = LlmpEventBroker::<I, SP, ST>::new_on_port(
let (mgr, core_id) = match self.kind {
ManagerKind::Any => {
let connection =
LlmpConnection::on_port(self.shmem_provider.clone(), self.broker_port)?;
match connection {
LlmpConnection::IsBroker { broker } => {
let event_broker = LlmpEventBroker::<I, SP, ST>::new(
broker,
self.stats.take().unwrap(),
)?;
// Yep, broker. Just loop here.
println!(
"Doing broker things. Run this tool again to start fuzzing in a client."
);
broker_things(event_broker, self.remote_broker_addr)?;
return Err(Error::ShuttingDown);
}
LlmpConnection::IsClient { client } => {
let mgr = LlmpEventManager::<I, OT, S, SP>::new(client)?;
(mgr, None)
}
}
}
ManagerKind::Broker => {
let event_broker = LlmpEventBroker::<I, SP, ST>::new_on_port(
self.shmem_provider.clone(),
self.stats.take().unwrap(),
self.broker_port,
)?;
// Yep, broker. Just loop here.
println!(
"Doing broker things. Run this tool again to start fuzzing in a client."
);
broker_things(event_broker, self.remote_broker_addr)?;
if let Some(remote_broker_addr) = self.remote_broker_addr {
println!("B2b: Connecting to {:?}", &remote_broker_addr);
broker.connect_b2b(remote_broker_addr)?;
};
broker.broker_loop()?;
return Err(Error::ShuttingDown);
}
ManagerKind::Client { cpu_core } => cpu_core,
};
ManagerKind::Client { cpu_core } => {
// We are a client
let mgr = LlmpEventManager::<I, OT, S, SP>::new_on_port(
self.shmem_provider.clone(),
self.broker_port,
)?;
// We are a client
let mgr = LlmpEventManager::<I, OT, S, SP>::new_on_port(
self.shmem_provider.clone(),
self.broker_port,
)?;
(mgr, cpu_core)
}
};
if let Some(core_id) = core_id {
println!("Setting core affinity to {:?}", core_id);