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Log decoded XPC messages

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This commit is contained in:
Jackson Coxson
2025-05-22 21:54:45 -06:00
parent 9a1987d923
commit 9a02e2bb6d
2 changed files with 28 additions and 14 deletions
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26
idevice/src/services/xpc/format.rs
View File

@@ -5,7 +5,7 @@ use std::{
};
use indexmap::IndexMap;
use log::warn;
use log::{debug, warn};
use serde::{Deserialize, Serialize};
use crate::IdeviceError;
@@ -217,6 +217,7 @@ impl XPCObject {
}
pub fn decode(buf: &[u8]) -> Result<Self, IdeviceError> {
debug!("Decoding {buf:02X?}");
if buf.len() < 8 {
return Err(IdeviceError::NotEnoughBytes(buf.len(), 8));
}
@@ -407,6 +408,7 @@ impl XPCMessage {
}
pub fn decode(data: &[u8]) -> Result<XPCMessage, IdeviceError> {
debug!("Decoding {data:02X?}");
if data.len() < 24 {
Err(IdeviceError::NotEnoughBytes(data.len(), 24))?
}
@@ -421,6 +423,7 @@ impl XPCMessage {
let body_len = u64::from_le_bytes([
data[8], data[9], data[10], data[11], data[12], data[13], data[14], data[15],
]);
debug!("Body_len: {body_len}");
let message_id = u64::from_le_bytes([
data[16], data[17], data[18], data[19], data[20], data[21], data[22], data[23],
]);
@@ -429,22 +432,21 @@ impl XPCMessage {
"Body length is {body_len}, but received bytes is {}",
data.len()
);
println!("{}", String::from_utf8_lossy(data));
Err(IdeviceError::PacketSizeMismatch)?
}
if body_len == 0 {
return Ok(XPCMessage {
flags,
message: None,
message_id: Some(message_id),
});
}
Ok(XPCMessage {
let res = XPCMessage {
flags,
message: Some(XPCObject::decode(&data[24..24 + body_len as usize])?),
message: if body_len > 0 {
Some(XPCObject::decode(&data[24..24 + body_len as usize])?)
} else {
None
},
message_id: Some(message_id),
})
};
debug!("Decoded {res:#?}");
Ok(res)
}
pub fn encode(self, message_id: u64) -> Result<Vec<u8>, IdeviceError> {

16
idevice/src/services/xpc/mod.rs
View File

@@ -49,8 +49,9 @@ impl<R: ReadWrite> RemoteXpcClient<R> {
None,
))
.await?;
self.h2_client.read(ROOT_CHANNEL).await?;
self.h2_client.read(ROOT_CHANNEL).await?;
self.recv_root().await?;
self.recv_root().await?;
debug!("Sending weird flags");
self.send_root(XPCMessage::new(Some(XPCFlag::Custom(0x201)), None, None))
@@ -102,6 +103,17 @@ impl<R: ReadWrite> RemoteXpcClient<R> {
}
}
pub async fn recv_root(&mut self) -> Result<Option<plist::Value>, IdeviceError> {
let msg = self.h2_client.read(ROOT_CHANNEL).await?;
let msg = XPCMessage::decode(&msg)?;
if let Some(msg) = msg.message {
Ok(Some(msg.to_plist()))
} else {
Ok(None)
}
}
async fn send_root(&mut self, msg: XPCMessage) -> Result<(), IdeviceError> {
self.h2_client
.send(msg.encode(self.root_id)?, ROOT_CHANNEL)