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Robert Garrett
2025-09-27 10:29:08 -05:00
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# Contributor Covenant Code of Conduct
*Note*: this Code of Conduct pertains to individuals' behavior. Please also see the [Organizational Code of Conduct][OCoC].
## Our Pledge
In the interest of fostering an open and welcoming environment, we as contributors and maintainers pledge to making participation in our project and our community a harassment-free experience for everyone, regardless of age, body size, disability, ethnicity, gender identity and expression, level of experience, nationality, personal appearance, race, religion, or sexual identity and orientation.
## Our Standards
Examples of behavior that contributes to creating a positive environment include:
* Using welcoming and inclusive language
* Being respectful of differing viewpoints and experiences
* Gracefully accepting constructive criticism
* Focusing on what is best for the community
* Showing empathy towards other community members
Examples of unacceptable behavior by participants include:
* The use of sexualized language or imagery and unwelcome sexual attention or advances
* Trolling, insulting/derogatory comments, and personal or political attacks
* Public or private harassment
* Publishing others' private information, such as a physical or electronic address, without explicit permission
* Other conduct which could reasonably be considered inappropriate in a professional setting
## Our Responsibilities
Project maintainers are responsible for clarifying the standards of acceptable behavior and are expected to take appropriate and fair corrective action in response to any instances of unacceptable behavior.
Project maintainers have the right and responsibility to remove, edit, or reject comments, commits, code, wiki edits, issues, and other contributions that are not aligned to this Code of Conduct, or to ban temporarily or permanently any contributor for other behaviors that they deem inappropriate, threatening, offensive, or harmful.
## Scope
This Code of Conduct applies both within project spaces and in public spaces when an individual is representing the project or its community. Examples of representing a project or community include using an official project e-mail address, posting via an official social media account, or acting as an appointed representative at an online or offline event. Representation of a project may be further defined and clarified by project maintainers.
## Enforcement
Instances of abusive, harassing, or otherwise unacceptable behavior may be reported by contacting the Bytecode Alliance CoC team at [report@bytecodealliance.org](mailto:report@bytecodealliance.org). The CoC team will review and investigate all complaints, and will respond in a way that it deems appropriate to the circumstances. The CoC team is obligated to maintain confidentiality with regard to the reporter of an incident. Further details of specific enforcement policies may be posted separately.
Project maintainers who do not follow or enforce the Code of Conduct in good faith may face temporary or permanent repercussions as determined by other members of the Bytecode Alliance's leadership.
## Attribution
This Code of Conduct is adapted from the [Contributor Covenant][homepage], version 1.4, available at [http://contributor-covenant.org/version/1/4][version]
[OCoC]: ORG_CODE_OF_CONDUCT.md
[homepage]: https://www.contributor-covenant.org
[version]: https://www.contributor-covenant.org/version/1/4/

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# Contributing to wasi-core
wasi-core follows the same development style as Cranelift, so checkout
[Cranelift's CONTRIBUTING.md]. Of course, for wasi-core-specific issues, please
use the [wasi-core issue tracker].
[Cranelift's CONTRIBUTING.md]: https://github.com/CraneStation/cranelift/blob/master/CONTRIBUTING.md
[wasi-core issue tracker]: https://github.com/CraneStation/wasi-core/issues/new

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# It is not intended for manual editing.
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dependencies = [
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# THIS FILE IS AUTOMATICALLY GENERATED BY CARGO
#
# When uploading crates to the registry Cargo will automatically
# "normalize" Cargo.toml files for maximal compatibility
# with all versions of Cargo and also rewrite `path` dependencies
# to registry (e.g., crates.io) dependencies.
#
# If you are reading this file be aware that the original Cargo.toml
# will likely look very different (and much more reasonable).
# See Cargo.toml.orig for the original contents.
[package]
edition = "2021"
rust-version = "1.82.0"
name = "wasi"
version = "0.14.7+wasi-0.2.4"
build = false
autolib = false
autobins = false
autoexamples = false
autotests = false
autobenches = false
description = "WASI API bindings for Rust"
documentation = "https://docs.rs/wasi"
readme = "README.md"
keywords = [
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categories = [
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"wasm",
]
license = "Apache-2.0 WITH LLVM-exception OR Apache-2.0 OR MIT"
repository = "https://github.com/bytecodealliance/wasi-rs"
[features]
bitflags = ["wasip2/bitflags"]
default = ["wasip2/default"]
std = ["wasip2/std"]
[lib]
name = "wasi"
path = "src/lib.rs"
[[example]]
name = "cli-command"
crate-type = ["cdylib"]
path = "examples/cli-command.rs"
required-features = ["std"]
[[example]]
name = "cli-command-no_std"
crate-type = ["cdylib"]
path = "examples/cli-command-no_std.rs"
[[example]]
name = "hello-world"
path = "examples/hello-world.rs"
required-features = ["std"]
[[example]]
name = "hello-world-no_std"
path = "examples/hello-world-no_std.rs"
[[example]]
name = "http-proxy"
crate-type = ["cdylib"]
path = "examples/http-proxy.rs"
required-features = ["std"]
[[example]]
name = "http-proxy-no_std"
crate-type = ["cdylib"]
path = "examples/http-proxy-no_std.rs"
[dependencies.wasip2]
version = "1.0.1"
default-features = false

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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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otherwise, or (ii) ownership of fifty percent (50%) or more of the
outstanding shares, or (iii) beneficial ownership of such entity.
"You" (or "Your") shall mean an individual or Legal Entity
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"Derivative Works" shall mean any work, whether in Source or Object
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of this License, Derivative Works shall not include works that remain
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You may add Your own copyright statement to Your modifications and
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of your accepting any such warranty or additional liability.
END OF TERMS AND CONDITIONS
APPENDIX: How to apply the Apache License to your work.
To apply the Apache License to your work, attach the following
boilerplate notice, with the fields enclosed by brackets "[]"
replaced with your own identifying information. (Don't include
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Copyright [yyyy] [name of copyright owner]
Licensed under the Apache License, Version 2.0 (the "License");
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Apache License
Version 2.0, January 2004
http://www.apache.org/licenses/
TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
1. Definitions.
"License" shall mean the terms and conditions for use, reproduction,
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APPENDIX: How to apply the Apache License to your work.
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limitations under the License.
--- LLVM Exceptions to the Apache 2.0 License ----
As an exception, if, as a result of your compiling your source code, portions
of this Software are embedded into an Object form of such source code, you
may redistribute such embedded portions in such Object form without complying
with the conditions of Sections 4(a), 4(b) and 4(d) of the License.
In addition, if you combine or link compiled forms of this Software with
software that is licensed under the GPLv2 ("Combined Software") and if a
court of competent jurisdiction determines that the patent provision (Section
3), the indemnity provision (Section 9) or other Section of the License
conflicts with the conditions of the GPLv2, you may retroactively and
prospectively choose to deem waived or otherwise exclude such Section(s) of
the License, but only in their entirety and only with respect to the Combined
Software.

23
vendor/wasi/LICENSE-MIT vendored Normal file
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Permission is hereby granted, free of charge, to any
person obtaining a copy of this software and associated
documentation files (the "Software"), to deal in the
Software without restriction, including without
limitation the rights to use, copy, modify, merge,
publish, distribute, sublicense, and/or sell copies of
the Software, and to permit persons to whom the Software
is furnished to do so, subject to the following
conditions:
The above copyright notice and this permission notice
shall be included in all copies or substantial portions
of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF
ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT
SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR
IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
DEALINGS IN THE SOFTWARE.

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# Bytecode Alliance Organizational Code of Conduct (OCoC)
*Note*: this Code of Conduct pertains to organizations' behavior. Please also see the [Individual Code of Conduct](CODE_OF_CONDUCT.md).
## Preamble
The Bytecode Alliance (BA) welcomes involvement from organizations,
including commercial organizations. This document is an
*organizational* code of conduct, intended particularly to provide
guidance to commercial organizations. It is distinct from the
[Individual Code of Conduct (ICoC)](CODE_OF_CONDUCT.md), and does not
replace the ICoC. This OCoC applies to any group of people acting in
concert as a BA member or as a participant in BA activities, whether
or not that group is formally incorporated in some jurisdiction.
The code of conduct described below is not a set of rigid rules, and
we did not write it to encompass every conceivable scenario that might
arise. For example, it is theoretically possible there would be times
when asserting patents is in the best interest of the BA community as
a whole. In such instances, consult with the BA, strive for
consensus, and interpret these rules with an intent that is generous
to the community the BA serves.
While we may revise these guidelines from time to time based on
real-world experience, overall they are based on a simple principle:
*Bytecode Alliance members should observe the distinction between
public community functions and private functions — especially
commercial ones — and should ensure that the latter support, or at
least do not harm, the former.*
## Guidelines
* **Do not cause confusion about Wasm standards or interoperability.**
Having an interoperable WebAssembly core is a high priority for
the BA, and members should strive to preserve that core. It is fine
to develop additional non-standard features or APIs, but they
should always be clearly distinguished from the core interoperable
Wasm.
Treat the WebAssembly name and any BA-associated names with
respect, and follow BA trademark and branding guidelines. If you
distribute a customized version of software originally produced by
the BA, or if you build a product or service using BA-derived
software, use names that clearly distinguish your work from the
original. (You should still provide proper attribution to the
original, of course, wherever such attribution would normally be
given.)
Further, do not use the WebAssembly name or BA-associated names in
other public namespaces in ways that could cause confusion, e.g.,
in company names, names of commercial service offerings, domain
names, publicly-visible social media accounts or online service
accounts, etc. It may sometimes be reasonable, however, to
register such a name in a new namespace and then immediately donate
control of that account to the BA, because that would help the project
maintain its identity.
For further guidance, see the BA Trademark and Branding Policy
[TODO: create policy, then insert link].
* **Do not restrict contributors.** If your company requires
employees or contractors to sign non-compete agreements, those
agreements must not prevent people from participating in the BA or
contributing to related projects.
This does not mean that all non-compete agreements are incompatible
with this code of conduct. For example, a company may restrict an
employee's ability to solicit the company's customers. However, an
agreement must not block any form of technical or social
participation in BA activities, including but not limited to the
implementation of particular features.
The accumulation of experience and expertise in individual persons,
who are ultimately free to direct their energy and attention as
they decide, is one of the most important drivers of progress in
open source projects. A company that limits this freedom may hinder
the success of the BA's efforts.
* **Do not use patents as offensive weapons.** If any BA participant
prevents the adoption or development of BA technologies by
asserting its patents, that undermines the purpose of the
coalition. The collaboration fostered by the BA cannot include
members who act to undermine its work.
* **Practice responsible disclosure** for security vulnerabilities.
Use designated, non-public reporting channels to disclose technical
vulnerabilities, and give the project a reasonable period to
respond, remediate, and patch. [TODO: optionally include the
security vulnerability reporting URL here.]
Vulnerability reporters may patch their company's own offerings, as
long as that patching does not significantly delay the reporting of
the vulnerability. Vulnerability information should never be used
for unilateral commercial advantage. Vendors may legitimately
compete on the speed and reliability with which they deploy
security fixes, but withholding vulnerability information damages
everyone in the long run by risking harm to the BA project's
reputation and to the security of all users.
* **Respect the letter and spirit of open source practice.** While
there is not space to list here all possible aspects of standard
open source practice, some examples will help show what we mean:
* Abide by all applicable open source license terms. Do not engage
in copyright violation or misattribution of any kind.
* Do not claim others' ideas or designs as your own.
* When others engage in publicly visible work (e.g., an upcoming
demo that is coordinated in a public issue tracker), do not
unilaterally announce early releases or early demonstrations of
that work ahead of their schedule in order to secure private
advantage (such as marketplace advantage) for yourself.
The BA reserves the right to determine what constitutes good open
source practices and to take action as it deems appropriate to
encourage, and if necessary enforce, such practices.
## Enforcement
Instances of organizational behavior in violation of the OCoC may
be reported by contacting the Bytecode Alliance CoC team at
[report@bytecodealliance.org](mailto:report@bytecodealliance.org). The
CoC team will review and investigate all complaints, and will respond
in a way that it deems appropriate to the circumstances. The CoC team
is obligated to maintain confidentiality with regard to the reporter of
an incident. Further details of specific enforcement policies may be
posted separately.
When the BA deems an organization in violation of this OCoC, the BA
will, at its sole discretion, determine what action to take. The BA
will decide what type, degree, and duration of corrective action is
needed, if any, before a violating organization can be considered for
membership (if it was not already a member) or can have its membership
reinstated (if it was a member and the BA canceled its membership due
to the violation).
In practice, the BA's first approach will be to start a conversation,
with punitive enforcement used only as a last resort. Violations
often turn out to be unintentional and swiftly correctable with all
parties acting in good faith.

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<div align="center">
<h1><code>wasi</code></h1>
<strong>A <a href="https://bytecodealliance.org/">Bytecode Alliance</a> project</strong>
<p>
<strong>WASI API Bindings for Rust</strong>
</p>
<p>
<a href="https://crates.io/crates/wasi"><img src="https://img.shields.io/crates/v/wasi.svg?style=flat-square" alt="Crates.io version" /></a>
<a href="https://crates.io/crates/wasi"><img src="https://img.shields.io/crates/d/wasi.svg?style=flat-square" alt="Download" /></a>
<a href="https://docs.rs/wasi/"><img src="https://img.shields.io/badge/docs-latest-blue.svg?style=flat-square" alt="docs.rs docs" /></a>
</p>
</div>
This repository contains low-level Rust bindings to WASI APIs which are
distributed and published to crates on crates.io. Crates currently are:
* `wasi` - this is a reexport of the latest stable WASI proposal. At this time
this represents bindings to WASIp2.
* [`wasip2`](./crates/wasip2) - this crate explicitly contains bindings for the
latest stable WASIp2 release generated by the latest stable `wit-bindgen`
release.
* [`wasip1`](./crates/wasip1) - this crate explicitly contains bindings for the
WASIp1 snapshot. Development of the WASIp1 version of the standard has ceased
and this crate is in maintenance mode.
## The `wasi` crate
The `wasi` crate today is a lightweight reexport of the latest stable version
of the WASI standard. Currently that is WASIp2. The `wasi` crate version number
will be bumped every timet he `wasip2` crate version number is bumped, for
example, and its interface and bindings may change over time as WASIp2 APIs are
added or the `wit-bindgen` tool to generate bindings evolves.
To explicitly indicate which version of the WASI standard you'd like to use it's
recommended to use the `wasip2` crate directly.
## Crate version numbers
The `wasi` crate contains "build metadata" which indicates what version of the
WASI standard it contains bindings for. This metadata is purely informational
and cannot be used to constrain a version requirement in Cargo. This scheme
is mirrored for the `wasip2` crate as well, for example.
## WASIp2 vs WASIp1
In January 2024 the WASI subgroup published WASI 0.2.0, colloquially known as
"WASIp2". Around the same time the subgroup additionally decided to name the
previous iteration of WASI as "WASIp1", historically known as "WASI preview1".
This now-historical snapshot of WASI was defined with an entirely different set
of primitives and worked very differently. The interface of the `wasip1` and
`wasip2` crates are entirely different and the `wasi` crate umbrella no longer
reexports `wasip1`.
## Should I use WASIp1 or WASIp2?
This is a bit of a nuanced question/answer but the short answer is to probably
use the latest release of `wasi` if you're unsure.
The longer-form answer of this is that it depends on the Rust targets that you
want to support. Rust WebAssembly targets include:
* `wasm32-unknown-unknown` - do not use this crate because this target indicates
that WASI is not desired.
* `wasm32-wasip1` - this target has been present in Rust for quite some time and
was previously known as `wasm32-wasi`. For this target you probably want the
`wasip1` crate.
* `wasm32-wasip2` - this target you can use either the `wasi` crate or the
`wasip2` crate depending on your use case. Using WASIp2 APIs on this target
is more appropriate than using WASIp1 APIs.
Note that if you use `wasm32-wasip1` it's not necessarily guaranteed you want
the `wasip1` crate. If your users are producing components then you probably
want the `wasip2` or `wasi` crates instead. If you don't know what your users
are producing then you should probably stick with `wasip1`.
Long story short, it's a bit complicated. We're in a development period from
WASIp2-and-beyond and things aren't going to be perfect every step of the way,
so understanding is appreciated!
# License
This project is licensed under the Apache 2.0 license with the LLVM exception.
See [LICENSE](LICENSE) for more details.
### Contribution
Unless you explicitly state otherwise, any contribution intentionally submitted
for inclusion in this project by you, as defined in the Apache-2.0 license,
shall be licensed as above, without any additional terms or conditions.

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# Security Policy
Building secure foundations for software development is at the core of what we do in the Bytecode Alliance. Contributions of external security researchers are a vital part of that.
## Scope
If you believe you've found a security issue in any website, service, or software owned or operated by the Bytecode Alliance, we encourage you to notify us.
## How to Submit a Report
To submit a vulnerability report to the Bytecode Alliance, please contact us at [security@bytecodealliance.org](mailto:security@bytecodealliance.org). Your submission will be reviewed and validated by a member of our security team.
## Safe Harbor
The Bytecode Alliance supports safe harbor for security researchers who:
* Make a good faith effort to avoid privacy violations, destruction of data, and interruption or degradation of our services.
* Only interact with accounts you own or with explicit permission of the account holder. If you do encounter Personally Identifiable Information (PII) contact us immediately, do not proceed with access, and immediately purge any local information.
* Provide us with a reasonable amount of time to resolve vulnerabilities prior to any disclosure to the public or a third-party.
We will consider activities conducted consistent with this policy to constitute "authorized" conduct and will not pursue civil action or initiate a complaint to law enforcement. We will help to the extent we can if legal action is initiated by a third party against you.
Please submit a report to us before engaging in conduct that may be inconsistent with or unaddressed by this policy.
## Preferences
* Please provide detailed reports with reproducible steps and a clearly defined impact.
* Submit one vulnerability per report.
* Social engineering (e.g. phishing, vishing, smishing) is prohibited.

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#!/bin/sh
set -ex
suffix() {
name="$1"
extra="$2"
cargo metadata | jq -r \
".packages.[] | select(.name==\"${name}\") | (\"rust-\" + .name + \"-\" + .version + \"-from-crates-io${extra}\")"
}
generate() {
file="$1"
shift
wit-bindgen rust "$@" --format
}
# ==============================================================================
# WASIp2 bindings
generate_p2() {
file="$1"
generate "$@" --std-feature ./crates/wasip2/wit --out-dir crates/wasip2/src
sed -z -i 's/#\[unsafe(\n link_section = "\(.*\)"\n)\]/\
#[cfg_attr(feature = "rustc-dep-of-std", unsafe(link_section = "\1-in-libstd"))]\
#[cfg_attr(not(feature = "rustc-dep-of-std"), unsafe(link_section = "\1"))]\
/' $file
}
# Generate the main body of the bindings which includes all imports from the two
# worlds below.
generate_p2 crates/wasip2/src/imports.rs \
--type-section-suffix $(suffix "wasip2") \
--generate-all \
--world wasi:cli/imports
# Generate bindings for the `wasi:cli/command` world specifically, namely the
# macro `export_command`.
#
# Note that `--with` is used to point at the previously generated bindings.
with="wasi:cli/environment@0.2.4=crate::cli::environment"
with="$with,wasi:cli/exit@0.2.4=crate::cli::exit"
with="$with,wasi:cli/stdin@0.2.4=crate::cli::stdin"
with="$with,wasi:cli/stdout@0.2.4=crate::cli::stdout"
with="$with,wasi:cli/stderr@0.2.4=crate::cli::stderr"
with="$with,wasi:cli/terminal-input@0.2.4=crate::cli::terminal_input"
with="$with,wasi:cli/terminal-output@0.2.4=crate::cli::terminal_output"
with="$with,wasi:cli/terminal-stdin@0.2.4=crate::cli::terminal_stdin"
with="$with,wasi:cli/terminal-stdout@0.2.4=crate::cli::terminal_stdout"
with="$with,wasi:cli/terminal-stderr@0.2.4=crate::cli::terminal_stderr"
with="$with,wasi:clocks/monotonic-clock@0.2.4=crate::clocks::monotonic_clock"
with="$with,wasi:clocks/wall-clock@0.2.4=crate::clocks::wall_clock"
with="$with,wasi:filesystem/types@0.2.4=crate::filesystem::types"
with="$with,wasi:filesystem/preopens@0.2.4=crate::filesystem::preopens"
with="$with,wasi:io/error@0.2.4=crate::io::error"
with="$with,wasi:io/poll@0.2.4=crate::io::poll"
with="$with,wasi:io/streams@0.2.4=crate::io::streams"
with="$with,wasi:random/random@0.2.4=crate::random::random"
with="$with,wasi:random/insecure@0.2.4=crate::random::insecure"
with="$with,wasi:random/insecure-seed@0.2.4=crate::random::insecure_seed"
with="$with,wasi:sockets/network@0.2.4=crate::sockets::network"
with="$with,wasi:sockets/instance-network@0.2.4=crate::sockets::instance_network"
with="$with,wasi:sockets/tcp@0.2.4=crate::sockets::tcp"
with="$with,wasi:sockets/tcp-create-socket@0.2.4=crate::sockets::tcp_create_socket"
with="$with,wasi:sockets/udp@0.2.4=crate::sockets::udp"
with="$with,wasi:sockets/udp-create-socket@0.2.4=crate::sockets::udp_create_socket"
with="$with,wasi:sockets/ip-name-lookup@0.2.4=crate::sockets::ip_name_lookup"
generate_p2 crates/wasip2/src/command.rs \
--world wasi:cli/command \
--with "$with" \
--type-section-suffix $(suffix "wasip2" "-command-world") \
--default-bindings-module '$crate' \
--pub-export-macro \
--export-macro-name _export_command
# Same as the `command` world, but for the proxy world.
with="wasi:cli/stdin@0.2.4=crate::cli::stdin"
with="$with,wasi:cli/stdout@0.2.4=crate::cli::stdout"
with="$with,wasi:cli/stderr@0.2.4=crate::cli::stderr"
with="$with,wasi:clocks/monotonic-clock@0.2.4=crate::clocks::monotonic_clock"
with="$with,wasi:clocks/wall-clock@0.2.4=crate::clocks::wall_clock"
with="$with,wasi:io/error@0.2.4=crate::io::error"
with="$with,wasi:io/poll@0.2.4=crate::io::poll"
with="$with,wasi:io/streams@0.2.4=crate::io::streams"
with="$with,wasi:random/random@0.2.4=crate::random::random"
generate_p2 crates/wasip2/src/proxy.rs \
--world wasi:http/proxy \
--with "$with" \
--type-section-suffix $(suffix "wasip2" "-proxy-world") \
--default-bindings-module '$crate' \
--pub-export-macro \
--export-macro-name _export_proxy
# ==============================================================================
# WASIp3 bindings
generate_p3() {
generate "$@" ./crates/wasip3/wit --out-dir crates/wasip3/src
}
generate_p3 crates/wasip3/src/imports.rs \
--type-section-suffix $(suffix "wasip3") \
--generate-all \
--world wasi:cli/imports
with="wasi:cli/environment@0.3.0-rc-2025-08-15=crate::cli::environment"
with="$with,wasi:cli/exit@0.3.0-rc-2025-08-15=crate::cli::exit"
with="$with,wasi:cli/stdin@0.3.0-rc-2025-08-15=crate::cli::stdin"
with="$with,wasi:cli/stdout@0.3.0-rc-2025-08-15=crate::cli::stdout"
with="$with,wasi:cli/stderr@0.3.0-rc-2025-08-15=crate::cli::stderr"
with="$with,wasi:cli/terminal-input@0.3.0-rc-2025-08-15=crate::cli::terminal_input"
with="$with,wasi:cli/terminal-output@0.3.0-rc-2025-08-15=crate::cli::terminal_output"
with="$with,wasi:cli/terminal-stdin@0.3.0-rc-2025-08-15=crate::cli::terminal_stdin"
with="$with,wasi:cli/terminal-stdout@0.3.0-rc-2025-08-15=crate::cli::terminal_stdout"
with="$with,wasi:cli/terminal-stderr@0.3.0-rc-2025-08-15=crate::cli::terminal_stderr"
with="$with,wasi:clocks/monotonic-clock@0.3.0-rc-2025-08-15=crate::clocks::monotonic_clock"
with="$with,wasi:clocks/wall-clock@0.3.0-rc-2025-08-15=crate::clocks::wall_clock"
with="$with,wasi:filesystem/types@0.3.0-rc-2025-08-15=crate::filesystem::types"
with="$with,wasi:filesystem/preopens@0.3.0-rc-2025-08-15=crate::filesystem::preopens"
with="$with,wasi:random/random@0.3.0-rc-2025-08-15=crate::random::random"
with="$with,wasi:random/insecure@0.3.0-rc-2025-08-15=crate::random::insecure"
with="$with,wasi:random/insecure-seed@0.3.0-rc-2025-08-15=crate::random::insecure_seed"
with="$with,wasi:sockets/types@0.3.0-rc-2025-08-15=crate::sockets::types"
with="$with,wasi:sockets/ip-name-lookup@0.3.0-rc-2025-08-15=crate::sockets::ip_name_lookup"
generate_p3 crates/wasip3/src/command.rs \
--world wasi:cli/command \
--with "$with" \
--type-section-suffix $(suffix "wasip3" "-command-world") \
--default-bindings-module '$crate' \
--pub-export-macro \
--async 'wasi:cli/run@0.3.0-rc-2025-08-15#run' \
--export-macro-name _export_command
with="wasi:cli/stdin@0.3.0-rc-2025-08-15=crate::cli::stdin"
with="$with,wasi:cli/stdout@0.3.0-rc-2025-08-15=crate::cli::stdout"
with="$with,wasi:cli/stderr@0.3.0-rc-2025-08-15=crate::cli::stderr"
with="$with,wasi:clocks/monotonic-clock@0.3.0-rc-2025-08-15=crate::clocks::monotonic_clock"
with="$with,wasi:clocks/wall-clock@0.3.0-rc-2025-08-15=crate::clocks::wall_clock"
with="$with,wasi:random/random@0.3.0-rc-2025-08-15=crate::random::random"
generate_p3 crates/wasip3/src/proxy.rs \
--world wasi:http/proxy \
--with "$with" \
--type-section-suffix $(suffix "wasip3" "-proxy-world") \
--default-bindings-module '$crate' \
--pub-export-macro \
--export-macro-name _export_proxy

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#!/usr/bin/env bash
# Script to re-vendor the WIT files that wasi-rs uses as defined by a
# particular tag in upstream repositories.
#
# This script is executed on CI to ensure that everything is up-to-date.
set -ex
# Space-separated list of wasi proposals that are vendored here along with the
# tag that they're all vendored at.
#
# This assumes that the repositories all have the pattern:
# https://github.com/WebAssembly/wasi-$repo
# and every repository has a tag `v$tag` here. That is currently done as part
# of the WASI release process.
tag=0.2.4
dst=wit/deps
vendor() {
dst="$1"
tag="$2"
subdir="$3"
repos="$4"
rm -rf $dst
mkdir -p $dst
for repo in $repos; do
mkdir $dst/$repo
curl -L https://github.com/WebAssembly/wasi-$repo/archive/refs/tags/v$tag.tar.gz | \
tar xzf - --strip-components=2 -C $dst/$repo wasi-$repo-$tag/$subdir
rm -rf $dst/$repo/deps*
done
}
vendor crates/wasip2/wit/deps 0.2.4 wit "cli clocks filesystem http io random sockets"
vendor crates/wasip3/wit/deps 0.3.0-rc-2025-08-15 wit-0.3.0-draft "cli clocks filesystem http random sockets"
# WASIp1 vendoring logic
wasip1_rev="0ba0c5e2"
curl -o crates/wasip1/typenames.witx -L \
https://raw.githubusercontent.com/WebAssembly/WASI/$wasip1_rev/phases/snapshot/witx/typenames.witx
curl -o crates/wasip1/wasi_snapshot_preview1.witx -L \
https://raw.githubusercontent.com/WebAssembly/WASI/$wasip1_rev/phases/snapshot/witx/wasi_snapshot_preview1.witx

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vendor/wasi/examples/cli-command-no_std.rs vendored Normal file
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wasip2::cli::command::export!(Example);
struct Example;
impl wasip2::exports::cli::run::Guest for Example {
fn run() -> Result<(), ()> {
let stdout = wasip2::cli::stdout::get_stdout();
stdout.blocking_write_and_flush(b"Hello, WASI!").unwrap();
Ok(())
}
}

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use std::io::Write as _;
wasip2::cli::command::export!(Example);
struct Example;
impl wasip2::exports::cli::run::Guest for Example {
fn run() -> Result<(), ()> {
let mut stdout = wasip2::cli::stdout::get_stdout();
stdout.write_all(b"Hello, WASI!").unwrap();
stdout.flush().unwrap();
Ok(())
}
}

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vendor/wasi/examples/hello-world-no_std.rs vendored Normal file
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@@ -0,0 +1,4 @@
fn main() {
let stdout = wasip2::cli::stdout::get_stdout();
stdout.blocking_write_and_flush(b"Hello, world!\n").unwrap();
}

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@@ -0,0 +1,7 @@
use std::io::Write as _;
fn main() {
let mut stdout = wasip2::cli::stdout::get_stdout();
stdout.write_all(b"Hello, world!\n").unwrap();
stdout.flush().unwrap();
}

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vendor/wasi/examples/http-proxy-no_std.rs vendored Normal file
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use wasip2::http::types::{
Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam,
};
wasip2::http::proxy::export!(Example);
struct Example;
impl wasip2::exports::http::incoming_handler::Guest for Example {
fn handle(_request: IncomingRequest, response_out: ResponseOutparam) {
let resp = OutgoingResponse::new(Fields::new());
let body = resp.body().unwrap();
ResponseOutparam::set(response_out, Ok(resp));
let out = body.write().unwrap();
out.blocking_write_and_flush(b"Hello, WASI!").unwrap();
drop(out);
OutgoingBody::finish(body, None).unwrap();
}
}

25
vendor/wasi/examples/http-proxy.rs vendored Normal file
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use std::io::Write as _;
use wasip2::http::types::{
Fields, IncomingRequest, OutgoingBody, OutgoingResponse, ResponseOutparam,
};
wasip2::http::proxy::export!(Example);
struct Example;
impl wasip2::exports::http::incoming_handler::Guest for Example {
fn handle(_request: IncomingRequest, response_out: ResponseOutparam) {
let resp = OutgoingResponse::new(Fields::new());
let body = resp.body().unwrap();
ResponseOutparam::set(response_out, Ok(resp));
let mut out = body.write().unwrap();
out.write_all(b"Hello, WASI!").unwrap();
out.flush().unwrap();
drop(out);
OutgoingBody::finish(body, None).unwrap();
}
}

2
vendor/wasi/src/lib.rs vendored Normal file
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#![no_std]
pub use wasip2::*;