Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

wasm: strip only Custom Sections with precompiled Wasm modules. #13775

Merged
merged 3 commits into from
Oct 29, 2020
Merged

wasm: strip only Custom Sections with precompiled Wasm modules. #13775

Show file tree
Hide file tree
Changes from 1 commit
Commits
Show all changes
3 commits
Select commit Hold shift + click to select a range
969bba9
wasm: strip only Custom Sections with precompiled Wasm modules.
PiotrSikora Oct 27, 2020
ef3a2d8
review: fix format.
PiotrSikora Oct 27, 2020
71969cf
review: fix format (take 2).
PiotrSikora Oct 28, 2020
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
6 changes: 3 additions & 3 deletions bazel/repository_locations.bzl
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -830,8 +830,8 @@ REPOSITORY_LOCATIONS_SPEC = dict(
project_name = "WebAssembly for Proxies (C++ host implementation)",
project_desc = "WebAssembly for Proxies (C++ host implementation)",
project_url = "https://github.com/proxy-wasm/proxy-wasm-cpp-host",
version = "d54b3795e7c3e61015dac2c2110b0da2be999b8e",
sha256 = "e95ad57b6b550b039d4baa35c896f7f523e427b7278ba56f22fac6e1bef8c7f0",
version = "40fd3d03842c07d65fed907a6b6ed0f89d68d531",
sha256 = "b5ae746e66b6209ea0cce86d6c21de99dacbec1da9cdadd53a9ec46bc296a3ba",
strip_prefix = "proxy-wasm-cpp-host-{version}",
urls = ["https://github.com/proxy-wasm/proxy-wasm-cpp-host/archive/{version}.tar.gz"],
use_category = ["dataplane_ext"],
Expand All @@ -842,7 +842,7 @@ REPOSITORY_LOCATIONS_SPEC = dict(
"envoy.filters.network.wasm",
"envoy.stat_sinks.wasm",
],
release_date = "2020-10-22",
release_date = "2020-10-27",
cpe = "N/A",
),
emscripten_toolchain = dict(
Expand Down
18 changes: 15 additions & 3 deletions test/tools/wee8_compile/wee8_compile.cc
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -126,10 +126,22 @@ wasm::vec<byte_t> stripWasmModule(const wasm::vec<byte_t>& module) {
std::cerr << "ERROR: Failed to parse corrupted Wasm module." << std::endl;
return wasm::vec<byte_t>::invalid();
}
if (section_type != 0 /* custom section */) {
stripped.insert(stripped.end(), section_start, pos + section_len);
if (section_type == 0 /* custom section */) {
const auto section_data_start = pos;
const auto section_name_len = parseVarint(pos, end);
if (section_name_len == static_cast<uint32_t>(-1) || pos + section_name_len > end) {
std::cerr << "ERROR: Failed to parse corrupted Wasm module." << std::endl;
return wasm::vec<byte_t>::invalid();
}
auto section_name = std::string_view(pos, section_name_len);
if (section_name.find("precompiled_") == std::string::npos) {
stripped.insert(stripped.end(), section_start, section_data_start + section_len);
}
pos = section_data_start + section_len;
} else {
pos += section_len;
stripped.insert(stripped.end(), section_start, pos /* section end */);
}
pos += section_len;
}

return wasm::vec<byte_t>::make(stripped.size(), stripped.data());
Expand Down