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Ghaf Framework

Utility Go-API

utility

Section titled “utility”
import "givc/modules/pkgs/utility"

SPDX-FileCopyrightText: 2024-2026 TII (SSRC) and the Ghaf contributors SPDX-License-Identifier: Apache-2.0

SPDX-FileCopyrightText: 2024-2026 TII (SSRC) and the Ghaf contributors SPDX-License-Identifier: Apache-2.0

Index

Section titled “Index”

Variables

Section titled “Variables”

var (
    CIPHER_SUITES = []uint16{
        tls.TLS_ECDHE_ECDSA_WITH_AES_128_GCM_SHA256,
        tls.TLS_ECDHE_ECDSA_WITH_AES_256_GCM_SHA384,
        tls.TLS_ECDHE_ECDSA_WITH_CHACHA20_POLY1305,
    }
)

func CertIPVerifyStreamInterceptor

Section titled “func CertIPVerifyStreamInterceptor”
func CertIPVerifyStreamInterceptor(srv any, ss grpc.ServerStream, info *grpc.StreamServerInfo, handler grpc.StreamHandler) error

func CertIPVerifyUnaryInterceptor

Section titled “func CertIPVerifyUnaryInterceptor”
func CertIPVerifyUnaryInterceptor(ctx context.Context, req any, info *grpc.UnaryServerInfo, handler grpc.UnaryHandler) (any, error)

func CheckStringInArray

Section titled “func CheckStringInArray”
func CheckStringInArray(element string, array []string) bool

func FindCGroupPath

Section titled “func FindCGroupPath”
func FindCGroupPath(serviceName string) (string, error)

func GetCGroupPathForProcess

Section titled “func GetCGroupPathForProcess”
func GetCGroupPathForProcess(pid uint32) (string, error)

func GetFqdn

Section titled “func GetFqdn”
func GetFqdn(addrs []net.IP) (string, error)

func GetHostname

Section titled “func GetHostname”
func GetHostname() (string, error)

func GetInterfaceIpv4

Section titled “func GetInterfaceIpv4”
func GetInterfaceIpv4(ifname string) (string, error)

func GetInterfaceIpv4Dns

Section titled “func GetInterfaceIpv4Dns”
func GetInterfaceIpv4Dns(hostname string) (string, error)

func GetIps

Section titled “func GetIps”
func GetIps(hostname string) ([]net.IP, error)

func GetOutboundIP

Section titled “func GetOutboundIP”
func GetOutboundIP() net.IP

func IsRoot

Section titled “func IsRoot”
func IsRoot() bool

func IsUser

Section titled “func IsUser”
func IsUser(username string) bool

func ParseVsockAddress

Section titled “func ParseVsockAddress”
func ParseVsockAddress(addr string) (uint32, uint32, error)

func TlsClientConfig

Section titled “func TlsClientConfig”
func TlsClientConfig(cacertFilePath string, certFilePath string, keyFilePath string, serverName string) (*tls.Config, error)

func TlsClientConfigFromTlsConfig

Section titled “func TlsClientConfigFromTlsConfig”
func TlsClientConfigFromTlsConfig(tlsConfig *tls.Config, serverName string) (*tls.Config, error)

func TlsServerConfig

Section titled “func TlsServerConfig”
func TlsServerConfig(cacertFilePath string, certFilePath string, keyFilePath string, mutual bool) (*tls.Config, error)

func extractIPFromAddr

Section titled “func extractIPFromAddr”
func extractIPFromAddr(addr net.Addr) (net.IP, error)

extractIPFromAddr extracts the IP address from a net.Addr

func ipInCertSAN

Section titled “func ipInCertSAN”
func ipInCertSAN(cert *x509.Certificate, ip net.IP) bool

ipInCertSAN checks if the given IP is in the certificate’s SubjectAltName IP addresses

func verifyPeerIP

Section titled “func verifyPeerIP”
func verifyPeerIP(ctx context.Context, addr net.Addr) error

verifyPeerIP contains the shared logic for both unary and stream interceptors.

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