ncutils

func CheckFirewall ¶

func CheckFirewall()

CheckFirewall - checks if iptables of nft install, if not exit

func CheckIPAddress ¶

func CheckIPAddress(ip string) error

func CheckWG ¶

func CheckWG()

CheckWG - Checks if WireGuard is installed. If not, exit

func ConvHostPassToHash ¶ added in v0.20.5

func ConvHostPassToHash(hostPass string) string

ConvHostPassToHash - converts password to md5 hash

func ConvertBytesToKey ¶

func ConvertBytesToKey(data []byte) (*[32]byte, error)

ConvertBytesToKey - util to convert bytes to a key to use elsewhere

func ConvertKeyToBytes ¶

func ConvertKeyToBytes(key *[32]byte) ([]byte, error)

ConvertKeyToBytes - util to convert a key to bytes to use elsewhere

func Copy ¶

func Copy(src, dst string) error

Copy - copies a src file to dest

func DNSFormatString ¶

func DNSFormatString(input string) string

DNSFormatString - Formats a string with correct usage for DNS

func FileExists ¶

func FileExists(f string) bool

FileExists - checks if file exists locally

func GetEmbedded ¶

func GetEmbedded() error

GetEmbedded - if files required for linux, put here

func GetFileAsString ¶

func GetFileAsString(path string) (string, error)

GetFileAsString - returns the string contents of a given file

func GetFileWithRetry ¶

func GetFileWithRetry(path string, retryCount int) ([]byte, error)

GetFileWithRetry - retry getting file X number of times before failing

func GetFreePort ¶

func GetFreePort(rangestart int) (int, error)

GetFreePort - gets free port of machine

func GetFreeTCPPort ¶ added in v0.19.0

func GetFreeTCPPort() (string, error)

GetFreeTCPPort - gets free TCP port

func GetHomeDirWindows ¶

func GetHomeDirWindows() string

GetHomeDirWindows - gets home directory in windows

func GetHostname ¶

func GetHostname() string

GetHostname - Gets hostname of machine

func GetIPNetFromString ¶

func GetIPNetFromString(ip string) (net.IPNet, error)

func GetInterfaceName ¶

func GetInterfaceName() string

GetInterfaceName - fetches the interface name

func GetLocalIP ¶

func GetLocalIP(localrange net.IPNet) (*net.IPNet, error)

GetLocalIP - gets local ip of machine returns first interface that is up, is not a loopback and is

func GetMacAddr ¶

func GetMacAddr() ([]net.HardwareAddr, error)

GetMacAddr - get's mac address

func GetNetworkIPMask ¶

func GetNetworkIPMask(networkstring string) (string, string, error)

GetNetworkIPMask - Pulls the netmask out of the network

func GetNewIface ¶

func GetNewIface(dir string) (string, error)

GetNewIface - Gets the name of the real interface created on Mac

func GetPublicIP ¶

func GetPublicIP(api string) (net.IP, error)

GetPublicIP - gets public ip

func GetPublicIPv6 ¶ added in v0.24.0

func GetPublicIPv6() (net.IP, error)

GetPublicIPv6 - gets public ipv6 address

func GetSeparator ¶

func GetSeparator() string

GetSeparator - gets the separator for OS

func GetWireGuard ¶

func GetWireGuard() string

GetWireGuard - checks if wg is installed

func HasWG ¶

func HasWG() bool

HasWG - returns true if wg command exists

func HasWgQuick ¶

func HasWgQuick() bool

HasWgQuick - checks if WGQuick command is present

func IPIsPrivate ¶

func IPIsPrivate(ipnet net.IP) bool

func InterfaceExists ¶ added in v0.22.0

func InterfaceExists(ifaceName string) (bool, error)

InterfaceExists - checks if iface exists already

func IsBridgeNetwork ¶ added in v0.18.6

func IsBridgeNetwork(ifaceName string) bool

IsBridgeNetwork - check if the interface is a bridge type

func IsEmptyRecord ¶

func IsEmptyRecord(err error) bool

IsEmptyRecord - repeat from database

func IsFreeBSD ¶

func IsFreeBSD() bool

IsFreeBSD - checks if is freebsd

func IsIPTablesPresent ¶

func IsIPTablesPresent() bool

IsIPTablesPresent - returns true if iptables is present, false otherwise Does not consider OS, up to the caller to determine if the OS supports iptables/whether this check is valid.

func IsKernel ¶

func IsKernel() bool

IsKernel - checks if running kernel WireGuard

func IsLinux ¶

func IsLinux() bool

IsLinux - checks if is linux

func IsMac ¶

func IsMac() bool

IsMac - checks if is a mac

func IsNFTablesPresent ¶

func IsNFTablesPresent() bool

IsNFTablesPresent - returns true if nftables is present, false otherwise. Does not consider OS, up to the caller to determine if the OS supports nftables/whether this check is valid.

func IsPortFree ¶ added in v0.21.0

func IsPortFree(port int) (free bool)

IsPortFree - checks if port is free

func IsWindows ¶

func IsWindows() bool

IsWindows - checks if is windows

func RandomMacAddress ¶ added in v0.18.5

func RandomMacAddress() net.HardwareAddr

RandomMacAddress returns a random macaddress

func RandomString ¶ added in v0.20.5

func RandomString(length int) string

RandomString - returns a random string in a charset

func ReadPID ¶

func ReadPID() (int, error)

ReadPID - reads a previously saved pid from disk

func RunCmd ¶

func RunCmd(command string, printerr bool) (string, error)

RunCmd - runs a local command

func RunCmdFormatted ¶

func RunCmdFormatted(command string, printerr bool) (string, error)

RunCmdFormatted - does nothing for linux

func RunCmds ¶

func RunCmds(commands []string, printerr bool) error

RunCmds - runs cmds

func SavePID ¶

func SavePID() error

SavePID - saves the pid of running program to disk

func ServerAddrSliceContains ¶

func ServerAddrSliceContains(slice []models.ServerAddr, item models.ServerAddr) bool

ServerAddrSliceContains - sees if a string slice contains a string element

func SetInterfaceName ¶ added in v0.22.0

func SetInterfaceName(iface string)

func ShortenString ¶

func ShortenString(input string, length int) string

ShortenString - Brings string down to specified length. Stops names from being too long