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fix(dhcp): can not renew an ip address

Browse Source 
The dhcp server is systemd-networkd, and the dhcp
plugin can request an ip but can not renew it.
The systemd-networkd just ignore the renew request.

```
2024/09/14 21:46:00 no DHCP packet received within 10s
2024/09/14 21:46:00 retrying in 31.529038 seconds
2024/09/14 21:46:42 no DHCP packet received within 10s
2024/09/14 21:46:42 retrying in 63.150490 seconds
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: no more tries
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: renewal time expired, rebinding
2024/09/14 21:47:45 Link "eth1" down. Attempting to set up
2024/09/14 21:47:45 98184616c91f15419f5cacd012697f85afaa2daeb5d3233e28b0ec21589fb45a/iot/eth1: lease rebound, expiration is 2024-09-14 22:47:45.309270751 +0800 CST m=+11730.048516519
```

Follow the https://datatracker.ietf.org/doc/html/rfc2131#section-4.3.6,
following options must not be sent in renew

- Requested IP Address
- Server Identifier

Since the upstream code has been inactive for 6 years,
we should switch to another dhcpv4 library.
The new selected one is https://github.com/insomniacslk/dhcp.

Signed-off-by: Songmin Li <lisongmin@protonmail.com>
This commit is contained in:
Songmin Li
2024-09-14 22:00:20 +08:00
committed by Casey Callendrello
parent e4950728ce
commit d61e7e5e1f
310 changed files with 12785 additions and 11182 deletions
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28
vendor/github.com/pierrec/lz4/v4/state_gen.go generated vendored Normal file
View File

@@ -0,0 +1,28 @@
// Code generated by "stringer -type=aState -output state_gen.go"; DO NOT EDIT.
package lz4
import "strconv"
func _() {
// An "invalid array index" compiler error signifies that the constant values have changed.
// Re-run the stringer command to generate them again.
var x [1]struct{}
_ = x[noState-0]
_ = x[errorState-1]
_ = x[newState-2]
_ = x[readState-3]
_ = x[writeState-4]
_ = x[closedState-5]
}
const _aState_name = "noStateerrorStatenewStatereadStatewriteStateclosedState"
var _aState_index = [...]uint8{0, 7, 17, 25, 34, 44, 55}
func (i aState) String() string {
if i >= aState(len(_aState_index)-1) {
return "aState(" + strconv.FormatInt(int64(i), 10) + ")"
}
return _aState_name[_aState_index[i]:_aState_index[i+1]]
}