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update wasm-parser dep; use it for validation

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This commit is contained in:
Mark McCaskey 2019-04-03 17:21:57 -07:00
parent 2ac7b6408c
commit bda5b19098
5 changed files with 19 additions and 15 deletions
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8
Cargo.lock generated
View File

@ -2340,7 +2340,7 @@ dependencies = [
"serde-bench 0.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_bytes 0.10.5 (registry+https://github.com/rust-lang/crates.io-index)",
"serde_derive 1.0.89 (registry+https://github.com/rust-lang/crates.io-index)",
"wasmparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)",
"wasmparser 0.29.2 (registry+https://github.com/rust-lang/crates.io-index)",
"winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
]
@ -2382,6 +2382,11 @@ name = "wasmparser"
version = "0.28.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "wasmparser"
version = "0.29.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "which"
version = "2.0.1"
@ -2755,6 +2760,7 @@ dependencies = [
"checksum wasmparser 0.22.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f46e666ecb4a406483a59a49f9d0c17f327e70da53a128eccddae2eadb95865c"
"checksum wasmparser 0.23.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b5e01c420bc7d36e778bd242e1167b079562ba8b34087122cc9057187026d060"
"checksum wasmparser 0.28.0 (registry+https://github.com/rust-lang/crates.io-index)" = "40f426b1929bd26517fb10702e2a8e520d1845c49567aa4d244f426f10b206c1"
"checksum wasmparser 0.29.2 (registry+https://github.com/rust-lang/crates.io-index)" = "981a8797cf89762e0233ec45fae731cb79a4dfaee12d9f0fe6cee01e4ac58d00"
"checksum which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b57acb10231b9493c8472b20cb57317d0679a49e0bdbee44b3b803a6473af164"
"checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
"checksum winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"

2
lib/runtime-core/Cargo.toml
View File

@ -10,7 +10,7 @@ edition = "2018"
[dependencies]
nix = "0.12.0"
page_size = "0.4.1"
wasmparser = "0.23.0"
wasmparser = "0.29.2"
parking_lot = "0.7.1"
lazy_static = "1.2.0"
indexmap = "1.0.2"

9
lib/runtime-core/src/lib.rs
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@ -93,13 +93,18 @@ pub fn compile_with_config(
/// WebAssembly specification. Returns `true` if validation
/// succeeded, `false` if validation failed.
pub fn validate(wasm: &[u8]) -> bool {
validate_and_report_errors(wasm).is_ok()
}
/// The same as `validate` but with an Error message on failure
pub fn validate_and_report_errors(wasm: &[u8]) -> ::std::result::Result<(), String> {
use wasmparser::WasmDecoder;
let mut parser = wasmparser::ValidatingParser::new(wasm, None);
loop {
let state = parser.read();
match *state {
wasmparser::ParserState::EndWasm => break true,
wasmparser::ParserState::Error(_) => break false,
wasmparser::ParserState::EndWasm => break Ok(()),
wasmparser::ParserState::Error(e) => break Err(format!("{}", e)),
_ => {}
}
}

2
lib/runtime-core/src/module.rs
View File

@ -73,7 +73,7 @@ impl ModuleInfo {
let len = reader.bytes_remaining();
let bytes = reader.read_bytes(len)?;
let data = bytes.to_vec();
let name = String::from_utf8_lossy(name).to_string();
let name = name.to_string();
self.custom_sections.insert(name, data);
}
}

13
src/bin/wasmer.rs
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@ -14,7 +14,7 @@ use wasmer::webassembly::InstanceABI;
use wasmer::*;
use wasmer_emscripten;
use wasmer_runtime::cache::{Cache as BaseCache, FileSystemCache, WasmHash, WASMER_VERSION_HASH};
use wasmer_runtime_core::backend::CompilerConfig;
use wasmer_runtime_core::{self, backend::CompilerConfig};
#[derive(Debug, StructOpt)]
#[structopt(name = "wasmer", about = "Wasm execution runtime.")]
@ -270,15 +270,8 @@ fn validate_wasm(validate: Validate) -> Result<(), String> {
));
}
wabt::Module::read_binary(wasm_binary, &Default::default())
.map_err(|err| {
format!(
"Failed to read \"{}\" as a WASM binary: {}",
wasm_path_as_str, err
)
})?
.validate()
.map_err(|err| format!("Failed to validate \"{}\": {}", wasm_path_as_str, err))?;
wasmer_runtime_core::validate_and_report_errors(&wasm_binary)
.map_err(|err| format!("Validation failed: {}", err))?;
Ok(())
}