new feature: range section for mapping range ports

This commit is contained in:
fatedier
2018-01-25 23:05:07 +08:00
parent eede31c064
commit ce8fde793c
4 changed files with 151 additions and 43 deletions

View File

@ -20,6 +20,8 @@ import (
"strings"
ini "github.com/vaughan0/go-ini"
"github.com/fatedier/frp/utils/util"
)
var ServerCommonCfg *ServerCommonConf
@ -238,43 +240,14 @@ func LoadServerCommonConf(conf ini.File) (cfg *ServerCommonConf, err error) {
allowPortsStr, ok := conf.Get("common", "privilege_allow_ports")
if ok {
// e.g. 1000-2000,2001,2002,3000-4000
portRanges := strings.Split(allowPortsStr, ",")
for _, portRangeStr := range portRanges {
// 1000-2000 or 2001
portArray := strings.Split(portRangeStr, "-")
// length: only 1 or 2 is correct
rangeType := len(portArray)
if rangeType == 1 {
// single port
singlePort, errRet := strconv.ParseInt(portArray[0], 10, 64)
if errRet != nil {
err = fmt.Errorf("Parse conf error: privilege_allow_ports is incorrect, %v", errRet)
return
}
cfg.PrivilegeAllowPorts[int(singlePort)] = struct{}{}
} else if rangeType == 2 {
// range ports
min, errRet := strconv.ParseInt(portArray[0], 10, 64)
if errRet != nil {
err = fmt.Errorf("Parse conf error: privilege_allow_ports is incorrect, %v", errRet)
return
}
max, errRet := strconv.ParseInt(portArray[1], 10, 64)
if errRet != nil {
err = fmt.Errorf("Parse conf error: privilege_allow_ports is incorrect, %v", errRet)
return
}
if max < min {
err = fmt.Errorf("Parse conf error: privilege_allow_ports range incorrect")
return
}
for i := min; i <= max; i++ {
cfg.PrivilegeAllowPorts[int(i)] = struct{}{}
}
} else {
err = fmt.Errorf("Parse conf error: privilege_allow_ports is incorrect")
return
}
ports, errRet := util.ParseRangeNumbers(allowPortsStr)
if errRet != nil {
err = fmt.Errorf("Parse conf error: privilege_allow_ports: %v", errRet)
return
}
for _, port := range ports {
cfg.PrivilegeAllowPorts[int(port)] = struct{}{}
}
}
}