* cmd: fix cli when admin endpoint uses new unix socket permission format
Fixes a bug where the following Caddyfile
```Caddyfile
{
admin unix/admin.sock|0660
}
```
and `caddy reload --config Caddyfile`
would throw the following error instead of reloading it:
```
INFO using provided configuration {"config_file": "Caddyfile", "config_adapter": ""}
Error: sending configuration to instance: performing request: Post "http://127.0.0.1/load": dial unix admin.sock|0660: connect: no such file or directory
[ERROR] exit status 1
```
---
This bug also affected `caddy start` and `caddy stop`.
* Move splitter function to internal
---------
Co-authored-by: Matthew Holt <mholt@users.noreply.github.com>
* reverseproxy: do not parse upstream address too early if it contains replaceble parts
* remove unused method
* cleanup
* accommodate partially replaceable port
* caddyhttp: Make use of http.ResponseController
Also syncs the reverseproxy implementation with stdlib's which now uses ResponseController as well 2449bbb5e6
* Enable full-duplex for HTTP/1.1
* Appease linter
* Add warning for builds with Go 1.20, so it's less surprising to users
* Improved godoc for EnableFullDuplex, copied text from stdlib
* Only wrap in encode if not already wrapped
* update quic-go to v0.37.0
* Bump to Go 1.20
* Bump golangci-lint version, yml syntax consistency
* Use skip-pkg-cache workaround
* Workaround needed for both?
* Seeding weakrand is no longer necessary
---------
Co-authored-by: Matt Holt <mholt@users.noreply.github.com>
Co-authored-by: Francis Lavoie <lavofr@gmail.com>
* core: Add optional unix socket file permissions
This commit also changes the default unix socket file permissions to `u=w,g=,o=` (octal: `0200`).
It used to default to the shell's umask (usually `u=rwx,g=rx,o=rx`, octal: `0755`).
`/run/caddy.sock` -> `/run/caddy.sock` with `0200` default perms
`/run/caddy.sock|0222` -> `/run/caddy.sock` with `0222` perms
`|` instead of `:` is used as a separator, to account for the `:` in Windows drive letters (e.g. `C:\absolute\path.sock`)
Fun fact:
The old unix(7) man page (pre Jun 2016) stated a socket needs both read and write perms.
Turns out, only write perms are needed.
Corrected in 7578ea2f85
Despite this, most implementations still default to read+write to this date.
* Add cases with Windows paths to test
* Require write perms for the owning user
* added weighted round robin algorithm to load balancer
* added an adapt integration test for wrr and fixed a typo
* changed args format to Caddyfile args convention
* added provisioner and validator for wrr
* simplified the code and improved doc
