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Subnet range selector, interface fixes (#481)

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0xCA 2023-12-27 13:08:55 +05:00 • committed by GitHub
parent e73047b14f
commit a9be53899c
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12 changed files with 473 additions and 44 deletions
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83
util/config.go
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@ -1,24 +1,31 @@
package util
import "strings"
import (
"net"
"strings"
"github.com/labstack/gommon/log"
)
// Runtime config
var (
DisableLogin bool
BindAddress string
SmtpHostname string
SmtpPort int
SmtpUsername string
SmtpPassword string
SmtpNoTLSCheck bool
SmtpEncryption string
SmtpAuthType string
SendgridApiKey string
EmailFrom string
EmailFromName string
SessionSecret []byte
WgConfTemplate string
BasePath string
DisableLogin bool
BindAddress string
SmtpHostname string
SmtpPort int
SmtpUsername string
SmtpPassword string
SmtpNoTLSCheck bool
SmtpEncryption string
SmtpAuthType string
SendgridApiKey string
EmailFrom string
EmailFromName string
SessionSecret []byte
WgConfTemplate string
BasePath string
SubnetRanges map[string]([]*net.IPNet)
SubnetRangesOrder []string
)
const (
@ -30,7 +37,7 @@ const (
DefaultDNS = "1.1.1.1"
DefaultMTU = 1450
DefaultPersistentKeepalive = 15
DefaultFirewallMark = "0xca6c" // i.e. 51820
DefaultFirewallMark = "0xca6c" // i.e. 51820
DefaultTable = "auto"
DefaultConfigFilePath = "/etc/wireguard/wg0.conf"
UsernameEnvVar = "WGUI_USERNAME"
@ -66,3 +73,45 @@ func ParseBasePath(basePath string) string {
}
return basePath
}
func ParseSubnetRanges(subnetRangesStr string) map[string]([]*net.IPNet) {
subnetRanges := map[string]([]*net.IPNet){}
if subnetRangesStr == "" {
return subnetRanges
}
cidrSet := map[string]bool{}
subnetRangesStr = strings.TrimSpace(subnetRangesStr)
subnetRangesStr = strings.Trim(subnetRangesStr, ";:,")
ranges := strings.Split(subnetRangesStr, ";")
for _, rng := range ranges {
rng = strings.TrimSpace(rng)
rngSpl := strings.Split(rng, ":")
if len(rngSpl) != 2 {
log.Warnf("Unable to parse subnet range: %v. Skipped.", rng)
continue
}
rngName := strings.TrimSpace(rngSpl[0])
subnetRanges[rngName] = make([]*net.IPNet, 0)
cidrs := strings.Split(rngSpl[1], ",")
for _, cidr := range cidrs {
cidr = strings.TrimSpace(cidr)
_, net, err := net.ParseCIDR(cidr)
if err != nil {
log.Warnf("[%v] Unable to parse CIDR: %v. Skipped.", rngName, cidr)
continue
}
if cidrSet[net.String()] {
log.Warnf("[%v] CIDR already exists: %v. Skipped.", rngName, net.String())
continue
}
cidrSet[net.String()] = true
subnetRanges[rngName] = append(subnetRanges[rngName], net)
}
if len(subnetRanges[rngName]) == 0 {
delete(subnetRanges, rngName)
} else {
SubnetRangesOrder = append(SubnetRangesOrder, rngName)
}
}
return subnetRanges
}