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RPC: Limit getProgramAccounts memcpy filter string to 128 bytes (bp #15483) (#15490)

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* Limit getProgramAccounts memcpy filter string to 128 bytes

(cherry picked from commit 65f1afe5e1)

* Limit the number of getProgramAccounts filters

(cherry picked from commit 4b0114b991)

Co-authored-by: Michael Vines <mvines@gmail.com>
This commit is contained in:
mergify[bot]
2021-02-23 19:57:46 +00:00
committed by GitHub
parent e5bb1597a4
commit e255c85bef
4 changed files with 56 additions and 10 deletions
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8
core/src/rpc.rs
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@@ -28,7 +28,7 @@ use solana_client::{
rpc_request::{
TokenAccountsFilter, DELINQUENT_VALIDATOR_SLOT_DISTANCE, MAX_GET_CONFIRMED_BLOCKS_RANGE,
MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS2_LIMIT,
MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS_SLOT_RANGE,
MAX_GET_CONFIRMED_SIGNATURES_FOR_ADDRESS_SLOT_RANGE, MAX_GET_PROGRAM_ACCOUNT_FILTERS,
MAX_GET_SIGNATURE_STATUSES_QUERY_ITEMS, MAX_MULTIPLE_ACCOUNTS, NUM_LARGEST_ACCOUNTS,
},
rpc_response::Response as RpcResponse,
@@ -2223,6 +2223,12 @@ impl RpcSol for RpcSolImpl {
} else {
(None, vec![])
};
if filters.len() > MAX_GET_PROGRAM_ACCOUNT_FILTERS {
return Err(Error::invalid_params(format!(
"Too many filters provided; max {}",
MAX_GET_PROGRAM_ACCOUNT_FILTERS
)));
}
for filter in &filters {
verify_filter(filter)?;
}