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fix lengths

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This commit is contained in:
John Smith 2023-12-10 10:50:20 -05:00 committed by Christien Rioux
parent 448267217e
commit 827a3443b0
3 changed files with 19 additions and 5 deletions
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20
veilid-core/src/rpc_processor/coders/operations/operation_value_changed.rs
View File

@ -1,6 +1,8 @@
use super::*;
use crate::storage_manager::SignedValueData;
const MAX_VALUE_CHANGED_SUBKEYS_LEN: usize = 512;
#[derive(Debug, Clone)]
pub(in crate::rpc_processor) struct RPCOperationValueChanged {
key: TypedKey,
@ -16,13 +18,21 @@ impl RPCOperationValueChanged {
subkeys: ValueSubkeyRangeSet,
count: u32,
value: SignedValueData,
) -> Self {
Self {
) -> Result<Self, RPCError> {
// Needed because RangeSetBlaze uses different types here all the time
#[allow(clippy::unnecessary_cast)]
let subkeys_len = subkeys.ranges_len() as usize;
if subkeys_len > MAX_VALUE_CHANGED_SUBKEYS_LEN {
return Err(RPCError::protocol("ValueChanged subkeys length too long"));
}
Ok(Self {
key,
subkeys,
count,
value,
}
})
}
pub fn validate(&mut self, _validate_context: &RPCValidateContext) -> Result<(), RPCError> {
@ -62,6 +72,10 @@ impl RPCOperationValueChanged {
let key = decode_typed_key(&k_reader)?;
let sk_reader = reader.get_subkeys().map_err(RPCError::protocol)?;
if sk_reader.len() as usize > MAX_VALUE_CHANGED_SUBKEYS_LEN {
return Err(RPCError::protocol("ValueChanged subkeys length too long"));
}
let mut subkeys = ValueSubkeyRangeSet::new();
for skr in sk_reader.iter() {
let vskr = (skr.get_start(), skr.get_end());

2
veilid-core/src/rpc_processor/coders/operations/operation_watch_value.rs
View File

@ -185,7 +185,7 @@ impl RPCOperationWatchValueQ {
let mut sk_builder = builder.reborrow().init_subkeys(
self.subkeys
.len()
.ranges_len()
.try_into()
.map_err(RPCError::map_internal("invalid subkey range list length"))?,
);

2
veilid-core/src/rpc_processor/rpc_value_changed.rs
View File

@ -16,7 +16,7 @@ impl RPCProcessor {
count: u32,
value: SignedValueData,
) -> RPCNetworkResult<()> {
let value_changed = RPCOperationValueChanged::new(key, subkeys, count, value);
let value_changed = RPCOperationValueChanged::new(key, subkeys, count, value)?;
let statement =
RPCStatement::new(RPCStatementDetail::ValueChanged(Box::new(value_changed)));