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https://github.com/jackpal/gateway
A golang library for discovering the address of a LAN gateway.
https://github.com/jackpal/gateway
Last synced: 3 months ago
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A golang library for discovering the address of a LAN gateway.
- Host: GitHub
- URL: https://github.com/jackpal/gateway
- Owner: jackpal
- License: bsd-3-clause
- Created: 2015-04-18T16:38:39.000Z (almost 10 years ago)
- Default Branch: master
- Last Pushed: 2024-05-08T04:16:49.000Z (9 months ago)
- Last Synced: 2024-08-02T01:26:27.497Z (6 months ago)
- Language: Go
- Homepage:
- Size: 111 KB
- Stars: 225
- Watchers: 5
- Forks: 69
- Open Issues: 1
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Awesome Lists containing this project
README
# gateway
A simple library for discovering the IP address of the default gateway.
Example:
```go
package main
import (
"fmt"
"github.com/jackpal/gateway"
)
func main() {
gateway, err := gateway.DiscoverGateway()
if err != nil {
fmt.Println(err)
} else {
fmt.Println("Gateway:", gateway.String())
}
}
```
Provides implementations for:
+ Darwin (macOS)
+ Dragonfly
+ FreeBSD
+ Linux
+ NetBSD
+ OpenBSD
+ Solaris and illumos
+ Windows
Other platforms use an implementation that always returns an error.
Pull requests for other OSs happily considered!
## Versions
### v1.0.15
Update dependencies to latest versions. This was done to squelch a github security
alert caused by depending upon an old version of x/net. This is the first time I've
updated module versions, the tests pass, so hopefully everything's good.
### v1.0.14
+ [Fix panic when interface not set in Solaris `netstat -rn` output.](https://github.com/jackpal/gateway/pull/42)
### v1.0.13
+ Add tools/check-cross-compile.sh to check that the code compiles for various OSs.
+ Fix compilation errors exposed by tools/check-cross-compile.sh.
### v1.0.12
+ If there are multiple default gateways, Windows now returns the gateway with the lowest metric.
+ Fix solaris build break. (In theory, IDK how to test this easily.)
+ Upgrade to golang 1.21
+ Upgrade golang.org/x/net version, makes dependabot happy. Probably was not any actual security
issue because gateway doesn't use any of the APIs of golang.org/x/net that had security issues.
### v1.0.11
+ Implement DiscoverInterface for BSD-like OSes.
### v1.0.10
+ Fix non-BSD-based builds.
### v1.0.9
+ Add go.mod and go.sum files.
+ Use "golang.org/x/net/route" to implement all BSD variants.
+ As a side effect this adds support for Dragonfly and NetBSD.
+ Add example to README.
+ Remove broken continuous integration.
### v1.0.8
+ Add support for OpenBSD
+ Linux parser now supports gateways with an IP address of 0.0.0.0
+ Fall back to `netstat` on darwin systems if `route` fails.
+ Simplify Linux /proc/net/route parsers.