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1782: feat #1733: add F_GET_SEALS and F_ADD_SEALS on FreeBSD r=rtzoeller a=SteveLauC
Closes #1733
Co-authored-by: SteveLauC <stevelauc@outlook.com>
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1776: Add support for the IP_SENDSRCADDR control message r=rtzoeller a=matttpt
This control message is available on FreeBSD, NetBSD, and OpenBSD. When used with `sendmsg`, it sets the IPv4 source address. This adds support through a new `ControlMessage::Ipv4SendSrcAddr` variant that complements `ControlMessageOwned::Ipv4RecvDstAddr`.
A few notes:
* `IP_SENDSRCADDR` is actually just an alias for `IP_RECVDSTADDR` (though the code doesn't depend on this).
* On NetBSD, `IP_PKTINFO` can be used to accomplish the same thing and is already supported by nix. On FreeBSD and OpenBSD, though, `IP_SENDSRCADDR` is the only method I'm aware of.
* The accompanying test binds a UDP socket to all local interfaces (0.0.0.0). If this is not acceptable, please let me know; however, FreeBSD requires this to use `IP_SENDSRCADDR`.
I'll add a change-log entry once I see the PR number.
Thanks!
Co-authored-by: Matthew Ingwersen <matttpt@gmail.com>
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1785: Remove deprecated items r=asomers a=SteveLauC
#### What this pr does
1. Convert `assert!(x == y)` to `assert_eq!(x, y)`
2. Convert `assert!(x != y)` to `assert_ne!(x, y)`
3. Add `.unwrap()` to unused `Result/Option` (in code comments)
4. Convert `std::ixx::MAX` to `ixx::MAX`
5. Convert `Box<Trait>` to `Box<dyn Trait>`
Co-authored-by: SteveLauC <stevelauc@outlook.com>
Co-authored-by: SteveLau <stevelauc@outlook.com>
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1790: minor terminology fix in User docs r=asomers a=oconnor663
Passwords are hashed, not encrypted.
Co-authored-by: Jack O'Connor <oconnor663@gmail.com>
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Passwords are hashed, not encrypted.
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This control message (actually just an alias for IP_RECVDSTADDR) sets
the IPv4 source address when used with sendmsg. It is available on
FreeBSD, NetBSD, OpenBSD, and DragonFlyBSD.
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https://rust-lang.github.io/rust-clippy/master/index.html#assertions_on_result_states
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1772: Add support for RecvOrigDstAddr on Linux r=asomers a=brianmay
Fixes #1767
Co-authored-by: Brian May <brian@linuxpenguins.xyz>
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Fixes #1767
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Memory fds (`memfd`) are implemented and exported by Androids bionic.
Export the `memfd` module if the target os is `android`.
https://cs.android.com/android/platform/superproject/+/master:bionic/libc/include/sys/mman.h;drc=23c7543b8e608ebcbb38b952761b54bb56065577;bpv=1;bpt=1;l=182
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Add note to Changelog.md
Make changes in comments
Co-authored-by: Alan Somers <asomers@gmail.com>
Add Android as target os for ETH_P_ALL
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The major users of this function are functions like gethostname, which
will always properly align their buffers. But out-of-crate consumers
could manually construct an unaligned buffer. Handle that correctly.
Enable Clippy's cast_ptr_alignment lint. It's disabled by default as it
reports many false positives, but it would've caught this problem.
Reported-by: Miri
Fixes: 1769
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1741: SigSet: A new unsafe helper method to create a SigSet from a sigset_t r=rtzoeller a=germag
Currently, the only way to create a `SigSet` from a `sigset_t` object
is by using pointer casts, like:
```
unsafe {
let sigset = *(&sigset as *const libc::sigset_t as *const SigSet)
};
```
This is un-ergonomic for library creators with interfaces to C.
So, let's add a new unsafe method that creates a `SigSet` from a
`libc::sigset_t` object.
We can't implement `From` since converting from `libc::sigset_t` to
`SigSet` is unsafe, because objects of type `libc::sigset_t` must be
initialized by calling either `sigemptyset(3)` or `sigfillset(3)`
before being used. In other case, the results are undefined.
We can't implement `TryFrom` either, because there is no way to check
if an object of type `libc::sigset_t` is initialized.
Signed-off-by: German Maglione <gmaglione@redhat.com>
Co-authored-by: German Maglione <gmaglione@redhat.com>
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IPv4 and stream sockets are unaffected, but for datagram sockets of
other address types libc::recvfrom might overwrite part of the stack.
Fixes #1762
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This commit adds the `repr(transparent)` attribute to the `SigSet`
struct, to make sure that its representation is exactly like the
`sigset_t` struct from C, in all cases.
Signed-off-by: German Maglione <gmaglione@redhat.com>
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Currently, the only way to create a `SigSet` from a `sigset_t` object
is by using pointer casts, like:
```
unsafe {
let sigset = *(&sigset as *const libc::sigset_t as *const SigSet)
};
```
This is un-ergonomic for library creators with interfaces to C.
So, let's add a new unsafe method that creates a `SigSet` from a
`libc::sigset_t` object.
We can't implement `From` since converting from `libc::sigset_t` to
`SigSet` is unsafe, because objects of type `libc::sigset_t` must be
initialized by calling either `sigemptyset(3)` or `sigfillset(3)`
before being used. In other case, the results are undefined.
We can't implement `TryFrom` either, because there is no way to check
if an object of type `libc::sigset_t` is initialized.
Signed-off-by: German Maglione <gmaglione@redhat.com>
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1759: More docs for dir and mqueue r=rtzoeller a=asomers
Add doc comments for the `dir` and `mqueue` modules. Also, delete dead code in `mqueue`
1760: Add const constructors for TimeSpec and TimeVal r=rtzoeller a=asomers
These are basically the same as From<libc::timespec> and
From<libc::timeval>, but they're const and require less typing.
Co-authored-by: Alan Somers <asomers@gmail.com>
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These are basically the same as From<libc::timespec> and
From<libc::timeval>, but they're const and require less typing.
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Also, delete some dead code. It's always been dead.
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1745: Change gethostname to use a buffer of MaybeUninit values r=asomers a=nathaniel-daniel
Changing `gethostname` to accept a buffer of `MaybeUninit` bytes allows the user to avoid needlessly initializing a buffer. This is a breaking API change.
Co-authored-by: Nathaniel Daniel <nathaniel.daniel12@gmail.com>
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Add the autocfg crate as a build dependency, and introduce
has_doc_alias as a conditional compilation symbol.
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1748: Add format test to CI r=rtzoeller a=costinsin
To enforce uniformity for all PRs, the CI checks if the code
is formatted right using `cargo fmt` tool.
Results after implementing the format test in CicleCI, but before fixing the format errors: https://cirrus-ci.com/build/4684991404703744
Results after fixing the format errors: https://cirrus-ci.com/build/5423803479097344
Solves #770
Co-authored-by: Costin-Robert Sin <sin.costinrobert@gmail.com>
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Signed-off-by: Costin-Robert Sin <sin.costinrobert@gmail.com>
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1747: Add getrusage wrapper r=rtzoeller a=kov
Includes an enum to specify what to get resource usage for, and a new
struct that provides a more readable view into libc::rusage, including
using TimeVal for user and system CPU time.
Signed-off-by: Gustavo Noronha Silva <gustavo@noronha.dev.br>
Co-authored-by: Gustavo Noronha Silva <gustavo@noronha.dev.br>
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Includes an enum to specify what to get resource usage for, and a new
struct that provides a more readable view into libc::rusage, including
using TimeVal for user and system CPU time.
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Some of the operations inside the pipe function are safe and should
not be included inside an unsafe block.
Signed-off-by: Costin-Robert Sin <sin.costinrobert@gmail.com>
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Signed-off-by: Costin-Robert Sin <sin.costinrobert@gmail.com>
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1739: ppoll: make sigmask parameter optional r=rtzoeller a=stefano-garzarella
ppoll(2) supports 'sigmask' as NULL. In that case no signal mask
manipulation is performed.
Let's make `sigmask` parameter of `nix::poll::ppoll` optional
to allow that behaviour.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
Co-authored-by: Stefano Garzarella <sgarzare@redhat.com>
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ppoll(2) supports 'sigmask' as NULL. In that case no signal mask
manipulation is performed.
Let's make `sigmask` parameter of `nix::poll::ppoll` optional
to allow that behaviour.
Signed-off-by: Stefano Garzarella <sgarzare@redhat.com>
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1736: Fix socket address family checks r=rtzoeller a=qwandor
The `SockaddrLike::from_raw` implementations for `VsockAddr` and `SysControlAddr` were checking against the wrong address family constant. This PR makes them consistent with the values matched against in `SockaddrStorage::from_raw`.
Co-authored-by: Andrew Walbran <qwandor@google.com>
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Remove obsolete references to target_env = wasi, target_os = nacl,
target_os = osx, and a typo'd target_os = fushsia that didn't compile
when fixed.
- target_env = wasi is dead: https://github.com/rust-lang/rust/pull/60117
- target_os = nacl is dead: https://github.com/rust-lang/rust/pull/45041
- target_os = osx is dead, but I can't find a link.
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