118 lines
4.1 KiB
Go
118 lines
4.1 KiB
Go
package util
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import (
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"net"
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"strings"
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"github.com/labstack/gommon/log"
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)
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// Runtime config
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var (
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DisableLogin bool
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BindAddress string
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SmtpHostname string
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SmtpPort int
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SmtpUsername string
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SmtpPassword string
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SmtpNoTLSCheck bool
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SmtpEncryption string
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SmtpAuthType string
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SendgridApiKey string
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EmailFrom string
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EmailFromName string
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SessionSecret []byte
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WgConfTemplate string
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BasePath string
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SubnetRanges map[string]([]*net.IPNet)
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SubnetRangesOrder []string
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)
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const (
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DefaultUsername = "admin"
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DefaultPassword = "admin"
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DefaultIsAdmin = true
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DefaultServerAddress = "10.252.1.0/24"
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DefaultServerPort = 51820
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DefaultDNS = "1.1.1.1"
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DefaultMTU = 1450
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DefaultPersistentKeepalive = 15
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DefaultFirewallMark = "0xca6c" // i.e. 51820
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DefaultTable = "auto"
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DefaultConfigFilePath = "/etc/wireguard/wg0.conf"
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UsernameEnvVar = "WGUI_USERNAME"
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PasswordEnvVar = "WGUI_PASSWORD"
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PasswordFileEnvVar = "WGUI_PASSWORD_FILE"
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PasswordHashEnvVar = "WGUI_PASSWORD_HASH"
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PasswordHashFileEnvVar = "WGUI_PASSWORD_HASH_FILE"
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FaviconFilePathEnvVar = "WGUI_FAVICON_FILE_PATH"
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EndpointAddressEnvVar = "WGUI_ENDPOINT_ADDRESS"
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DNSEnvVar = "WGUI_DNS"
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MTUEnvVar = "WGUI_MTU"
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PersistentKeepaliveEnvVar = "WGUI_PERSISTENT_KEEPALIVE"
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FirewallMarkEnvVar = "WGUI_FIREWALL_MARK"
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TableEnvVar = "WGUI_TABLE"
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ConfigFilePathEnvVar = "WGUI_CONFIG_FILE_PATH"
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LogLevel = "WGUI_LOG_LEVEL"
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ServerAddressesEnvVar = "WGUI_SERVER_INTERFACE_ADDRESSES"
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ServerListenPortEnvVar = "WGUI_SERVER_LISTEN_PORT"
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ServerPostUpScriptEnvVar = "WGUI_SERVER_POST_UP_SCRIPT"
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ServerPostDownScriptEnvVar = "WGUI_SERVER_POST_DOWN_SCRIPT"
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DefaultClientAllowedIpsEnvVar = "WGUI_DEFAULT_CLIENT_ALLOWED_IPS"
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DefaultClientExtraAllowedIpsEnvVar = "WGUI_DEFAULT_CLIENT_EXTRA_ALLOWED_IPS"
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DefaultClientUseServerDNSEnvVar = "WGUI_DEFAULT_CLIENT_USE_SERVER_DNS"
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DefaultClientEnableAfterCreationEnvVar = "WGUI_DEFAULT_CLIENT_ENABLE_AFTER_CREATION"
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)
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func ParseBasePath(basePath string) string {
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if !strings.HasPrefix(basePath, "/") {
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basePath = "/" + basePath
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}
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if strings.HasSuffix(basePath, "/") {
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basePath = strings.TrimSuffix(basePath, "/")
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}
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return basePath
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}
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func ParseSubnetRanges(subnetRangesStr string) map[string]([]*net.IPNet) {
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subnetRanges := map[string]([]*net.IPNet){}
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if subnetRangesStr == "" {
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return subnetRanges
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}
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cidrSet := map[string]bool{}
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subnetRangesStr = strings.TrimSpace(subnetRangesStr)
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subnetRangesStr = strings.Trim(subnetRangesStr, ";:,")
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ranges := strings.Split(subnetRangesStr, ";")
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for _, rng := range ranges {
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rng = strings.TrimSpace(rng)
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rngSpl := strings.Split(rng, ":")
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if len(rngSpl) != 2 {
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log.Warnf("Unable to parse subnet range: %v. Skipped.", rng)
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continue
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}
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rngName := strings.TrimSpace(rngSpl[0])
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subnetRanges[rngName] = make([]*net.IPNet, 0)
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cidrs := strings.Split(rngSpl[1], ",")
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for _, cidr := range cidrs {
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cidr = strings.TrimSpace(cidr)
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_, net, err := net.ParseCIDR(cidr)
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if err != nil {
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log.Warnf("[%v] Unable to parse CIDR: %v. Skipped.", rngName, cidr)
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continue
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}
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if cidrSet[net.String()] {
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log.Warnf("[%v] CIDR already exists: %v. Skipped.", rngName, net.String())
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continue
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}
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cidrSet[net.String()] = true
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subnetRanges[rngName] = append(subnetRanges[rngName], net)
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}
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if len(subnetRanges[rngName]) == 0 {
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delete(subnetRanges, rngName)
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} else {
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SubnetRangesOrder = append(SubnetRangesOrder, rngName)
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}
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}
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return subnetRanges
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}
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