rsdate connects to an ntp server, printing the returned time and/or sets the system clock.

Wesley Moore

Last update: Dec 31, 2022

Related tags

Overview

🦀 📅
rsdate

rsdate connects to an ntp server, printing the returned time and/or sets the system clock.

Example:

$ rsdate pool.ntp.org
[2021-10-11T05:02:32Z INFO  rsdate] [pool.ntp.org]	Mon, 11 Oct 2021 15:02:32 +1000

Download

Pre-compiled binaries are available for a number of platforms.

Example to download and extract a binary:

curl https://releases.wezm.net/rsdate/0.2.0/rsdate-0.2.0-x86_64-unknown-linux-musl.tar.gz | tar zxf -

Usage

USAGE:
    rsdate [OPTIONS] 
   
    

ARGS:
    
    
     
        The ntp server to contact.

OPTIONS:
    -h, --help
            Prints help information

    -p, --print
            Print the time returned by the server.

    -r, --retry NUMBER
            If retrieving the time fails retry NUMBER times. Retries are made
            at 1, 2, 4, 8, 16, etc. seconds.  A value of 0 disables retry
            (default). A negative value retries forever.

    -s, --set
            Set the system time to the returned time.

    -t, --timeout TIMEOUT
            Sets response timeout in seconds. [default: 10]

    -l, --syslog
            Print messages to syslog.

    -V, --version
            Prints version information

Build from Source

Minimum Supported Rust Version: 1.53.0

rsdate is implemented in Rust. See the Rust website for instructions on installing the toolchain.

From Git Checkout or Release Tarball

Build the binary with cargo build --release --locked. The binary will be in target/release/rsdate.

From crates.io

cargo install rsdate

Credits

This tool is inspired by rdate.

Licence

This project is dual licenced under either of:

Apache License, Version 2.0 (LICENSE-APACHE)
MIT license (LICENSE-MIT)

at your option.

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Comments

Revert "Bind to '[::]' for IPv6 support"

This reverts commit 4b38bee4b358f6fa370512f411ea8e88b15133fd.

The original change didn't work on macOS and FreeBSD, nor the custom Linux image I'm building for a Raspberry Pi without IPv6 support.

opened by wezm 0
Fails when -l argument is supplied
https://github.com/wezm/rsdate/commit/ab867f2aee36075acc875a9b0039f9580c41063a changed the handling of the -l argument so that the logger could be installed earlier. The problem was that now -l was no handled in the main argument parsing function which cased it to be the first free argument. I.e. the ntp server. This would then fail and return an error. Extract from strace:

sendto(5, "{\"method\":\"io.systemd.Resolve.ResolveHostname\",\"parameters\":{\"name\":\"-l\",\"flags\":0}}\0", 85, MSG_DONTWAIT|MSG_NOSIGNAL, NULL, 0) = 85 mmap(NULL, 135168, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0x7fee476e7000 recvfrom(5, 0x7fee476e7010, 135152, MSG_DONTWAIT, NULL, NULL) = -1 EAGAIN (Resource temporarily unavailable)
opened by wezm 0

Deal with time_t deprecation warning from libc crate

warning: use of deprecated type alias `libc::time_t`: This type is changed to 64-bit in musl 1.2.0, we'll follow that change in the future release. See #1848 for more info.
 --> src/time.rs:4:32
  |
4 | use libc::{c_int, suseconds_t, time_t, timeval, timezone};
  |                                ^^^^^^
  |
  = note: `#[warn(deprecated)]` on by default

opened by wezm 0

Bump regex from 1.5.4 to 1.5.6
Bumps regex from 1.5.4 to 1.5.6.

Changelog

Sourced from regex's changelog.

1.5.6 (2022-05-20)

This release includes a few bug fixes, including a bug that produced incorrect matches when a non-greedy ? operator was used.

[BUG #680](rust-lang/regex#680): Fixes a bug where [[:alnum:][:^ascii:]] dropped [:alnum:] from the class.

[BUG #859](rust-lang/regex#859): Fixes a bug where Hir::is_match_empty returned false for \b.

[BUG #862](rust-lang/regex#862): Fixes a bug where 'ab??' matches 'ab' instead of 'a' in 'ab'.

1.5.5 (2022-03-08)

This releases fixes a security bug in the regex compiler. This bug permits a vector for a denial-of-service attack in cases where the regex being compiled is untrusted. There are no known problems where the regex is itself trusted, including in cases of untrusted haystacks.

SECURITY #GHSA-m5pq-gvj9-9vr8: Fixes a bug in the regex compiler where empty sub-expressions subverted the existing mitigations in place to enforce a size limit on compiled regexes. The Rust Security Response WG published an advisory about this: https://groups.google.com/g/rustlang-security-announcements/c/NcNNL1Jq7Yw

Commits

9aef5b1 1.5.6

2931b07 syntax: bump minimum regex-syntax version to 0.6.26

b41bde0 regex-syntax-0.6.26

d98da65 changelog: 1.5.6

1c19619 syntax: fix literal extraction for 'ab??'

88a2a62 syntax: fix 'is_match_empty' predicate

72f09f1 syntax: fix ascii class union bug

b537286 doc: fix some typos

258bdf7 changelog: 1.5.5

d130381 1.5.5

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opened by dependabot[bot] 1

Owner

Wesley Moore

Developer with an interest in systems ranging from microcontrollers to web applications. Fan of Rust, Linux, and FreeBSD.

GitHub

rsdate connects to an ntp server, printing the returned time and/or sets the system clock.

Related tags

Overview

🦀 📅 rsdate

Download

Usage

Build from Source

From Git Checkout or Release Tarball

From crates.io

Credits

Licence

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Comments

Revert "Bind to '[::]' for IPv6 support"

Fails when -l argument is supplied

Deal with time_t deprecation warning from libc crate

Bump regex from 1.5.4 to 1.5.6

1.5.6 (2022-05-20)

1.5.5 (2022-03-08)

Owner

Wesley Moore

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🦀 📅
rsdate