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Diffstat (limited to 'version')
-rw-r--r--version/certificate_test.go42
-rw-r--r--version/debugging_linux.go35
-rw-r--r--version/official.go156
-rw-r--r--version/official_windows.go105
-rw-r--r--version/os.go (renamed from version/os_windows.go)2
-rw-r--r--version/useragent.go18
-rw-r--r--version/version.go10
-rw-r--r--version/version.h2
-rw-r--r--version/wintrust/certificate_windows.go59
-rw-r--r--version/wintrust/mksyscall.go8
-rw-r--r--version/wintrust/wintrust_windows.go116
-rw-r--r--version/wintrust/zsyscall_windows.go69
12 files changed, 221 insertions, 401 deletions
diff --git a/version/certificate_test.go b/version/certificate_test.go
new file mode 100644
index 00000000..724c524f
--- /dev/null
+++ b/version/certificate_test.go
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
+ */
+
+package version
+
+import (
+ "fmt"
+ "path/filepath"
+ "testing"
+
+ "golang.org/x/sys/windows"
+)
+
+func TestExtractCertificateNames(t *testing.T) {
+ system32, err := windows.GetSystemDirectory()
+ if err != nil {
+ t.Fatal(err)
+ }
+ names, err := extractCertificateNames(filepath.Join(system32, "ntoskrnl.exe"))
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, name := range names {
+ fmt.Printf("%d: %s\n", i, name)
+ }
+}
+
+func TestExtractCertificateExtension(t *testing.T) {
+ system32, err := windows.GetSystemDirectory()
+ if err != nil {
+ t.Fatal(err)
+ }
+ policies, err := extractCertificatePolicies(filepath.Join(system32, "ntoskrnl.exe"), "2.5.29.32")
+ if err != nil {
+ t.Fatal(err)
+ }
+ for i, policy := range policies {
+ fmt.Printf("%d: %s\n", i, policy)
+ }
+}
diff --git a/version/debugging_linux.go b/version/debugging_linux.go
deleted file mode 100644
index ddea4242..00000000
--- a/version/debugging_linux.go
+++ /dev/null
@@ -1,35 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package version
-
-import (
- "bytes"
- "fmt"
-
- "golang.org/x/sys/unix"
-)
-
-// For testing the updater package from linux. Debug stuff only.
-
-func utsToStr(u [65]byte) string {
- i := bytes.IndexByte(u[:], 0)
- if i < 0 {
- return string(u[:])
- }
- return string(u[:i])
-}
-
-func OsName() string {
- var utsname unix.Utsname
- if unix.Uname(&utsname) != nil {
- return "Unix Unknown"
- }
- return fmt.Sprintf("%s %s %s", utsToStr(utsname.Sysname), utsToStr(utsname.Release), utsToStr(utsname.Version))
-}
-
-func VerifyAuthenticode(path string) bool {
- return true
-}
diff --git a/version/official.go b/version/official.go
new file mode 100644
index 00000000..2951c893
--- /dev/null
+++ b/version/official.go
@@ -0,0 +1,156 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
+ */
+
+package version
+
+import (
+ "errors"
+ "os"
+ "unsafe"
+
+ "golang.org/x/sys/windows"
+)
+
+const (
+ officialCommonName = "WireGuard LLC"
+ evPolicyOid = "2.23.140.1.3"
+ policyExtensionOid = "2.5.29.32"
+)
+
+// These are easily by-passable checks, which do not serve security purposes.
+// DO NOT PLACE SECURITY-SENSITIVE FUNCTIONS IN THIS FILE
+
+func IsRunningOfficialVersion() bool {
+ path, err := os.Executable()
+ if err != nil {
+ return false
+ }
+
+ names, err := extractCertificateNames(path)
+ if err != nil {
+ return false
+ }
+ for _, name := range names {
+ if name == officialCommonName {
+ return true
+ }
+ }
+ return false
+}
+
+func IsRunningEVSigned() bool {
+ path, err := os.Executable()
+ if err != nil {
+ return false
+ }
+
+ policies, err := extractCertificatePolicies(path, policyExtensionOid)
+ if err != nil {
+ return false
+ }
+ for _, policy := range policies {
+ if policy == evPolicyOid {
+ return true
+ }
+ }
+ return false
+}
+
+func extractCertificateNames(path string) ([]string, error) {
+ path16, err := windows.UTF16PtrFromString(path)
+ if err != nil {
+ return nil, err
+ }
+ var certStore windows.Handle
+ err = windows.CryptQueryObject(windows.CERT_QUERY_OBJECT_FILE, unsafe.Pointer(path16), windows.CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED, windows.CERT_QUERY_FORMAT_FLAG_ALL, 0, nil, nil, nil, &certStore, nil, nil)
+ if err != nil {
+ return nil, err
+ }
+ defer windows.CertCloseStore(certStore, 0)
+ var cert *windows.CertContext
+ var names []string
+ for {
+ cert, err = windows.CertEnumCertificatesInStore(certStore, cert)
+ if err != nil {
+ if errors.Is(err, windows.Errno(windows.CRYPT_E_NOT_FOUND)) {
+ break
+ }
+ return nil, err
+ }
+ if cert == nil {
+ break
+ }
+ nameLen := windows.CertGetNameString(cert, windows.CERT_NAME_SIMPLE_DISPLAY_TYPE, 0, nil, nil, 0)
+ if nameLen == 0 {
+ continue
+ }
+ name16 := make([]uint16, nameLen)
+ if windows.CertGetNameString(cert, windows.CERT_NAME_SIMPLE_DISPLAY_TYPE, 0, nil, &name16[0], nameLen) != nameLen {
+ continue
+ }
+ if name16[0] == 0 {
+ continue
+ }
+ names = append(names, windows.UTF16ToString(name16))
+ }
+ if names == nil {
+ return nil, windows.Errno(windows.CRYPT_E_NOT_FOUND)
+ }
+ return names, nil
+}
+
+func extractCertificatePolicies(path, oid string) ([]string, error) {
+ path16, err := windows.UTF16PtrFromString(path)
+ if err != nil {
+ return nil, err
+ }
+ oid8, err := windows.BytePtrFromString(oid)
+ if err != nil {
+ return nil, err
+ }
+ var certStore windows.Handle
+ err = windows.CryptQueryObject(windows.CERT_QUERY_OBJECT_FILE, unsafe.Pointer(path16), windows.CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED, windows.CERT_QUERY_FORMAT_FLAG_ALL, 0, nil, nil, nil, &certStore, nil, nil)
+ if err != nil {
+ return nil, err
+ }
+ defer windows.CertCloseStore(certStore, 0)
+ var cert *windows.CertContext
+ var policies []string
+ for {
+ cert, err = windows.CertEnumCertificatesInStore(certStore, cert)
+ if err != nil {
+ if errors.Is(err, windows.Errno(windows.CRYPT_E_NOT_FOUND)) {
+ break
+ }
+ return nil, err
+ }
+ if cert == nil {
+ break
+ }
+ ext := windows.CertFindExtension(oid8, cert.CertInfo.CountExtensions, cert.CertInfo.Extensions)
+ if ext == nil {
+ continue
+ }
+ var decodedLen uint32
+ err = windows.CryptDecodeObject(windows.X509_ASN_ENCODING|windows.PKCS_7_ASN_ENCODING, ext.ObjId, ext.Value.Data, ext.Value.Size, 0, nil, &decodedLen)
+ if err != nil {
+ return nil, err
+ }
+ bytes := make([]byte, decodedLen)
+ certPoliciesInfo := (*windows.CertPoliciesInfo)(unsafe.Pointer(&bytes[0]))
+ err = windows.CryptDecodeObject(windows.X509_ASN_ENCODING|windows.PKCS_7_ASN_ENCODING, ext.ObjId, ext.Value.Data, ext.Value.Size, 0, unsafe.Pointer(&bytes[0]), &decodedLen)
+ if err != nil {
+ return nil, err
+ }
+ for i := uintptr(0); i < uintptr(certPoliciesInfo.Count); i++ {
+ cp := (*windows.CertPolicyInfo)(unsafe.Add(unsafe.Pointer(certPoliciesInfo.PolicyInfos), i*unsafe.Sizeof(*certPoliciesInfo.PolicyInfos)))
+ policies = append(policies, windows.BytePtrToString(cp.Identifier))
+ }
+ }
+ if policies == nil {
+ return nil, windows.Errno(windows.CRYPT_E_NOT_FOUND)
+ }
+ return policies, nil
+}
diff --git a/version/official_windows.go b/version/official_windows.go
deleted file mode 100644
index 5f8ea731..00000000
--- a/version/official_windows.go
+++ /dev/null
@@ -1,105 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package version
-
-import (
- "encoding/asn1"
- "os"
- "unsafe"
-
- "golang.org/x/sys/windows"
- "golang.zx2c4.com/wireguard/windows/version/wintrust"
-)
-
-const (
- officialCommonName = "WireGuard LLC"
- evPolicyOid = "2.23.140.1.3"
- policyExtensionOid = "2.5.29.32"
-)
-
-type policyQualifierInfo struct {
- PolicyQualifierId asn1.ObjectIdentifier
- Qualifier asn1.RawValue
-}
-
-type policyInformation struct {
- Policy asn1.ObjectIdentifier
- Qualifiers []policyQualifierInfo `asn1:"optional"`
-}
-
-func VerifyAuthenticode(path string) bool {
- path16, err := windows.UTF16PtrFromString(path)
- if err != nil {
- return false
- }
- file := &wintrust.WinTrustFileInfo{
- CbStruct: uint32(unsafe.Sizeof(wintrust.WinTrustFileInfo{})),
- FilePath: path16,
- }
- data := &wintrust.WinTrustData{
- CbStruct: uint32(unsafe.Sizeof(wintrust.WinTrustData{})),
- UIChoice: wintrust.WTD_UI_NONE,
- RevocationChecks: wintrust.WTD_REVOKE_WHOLECHAIN, // Full revocation checking, as this is called with network connectivity.
- UnionChoice: wintrust.WTD_CHOICE_FILE,
- StateAction: wintrust.WTD_STATEACTION_VERIFY,
- FileOrCatalogOrBlobOrSgnrOrCert: uintptr(unsafe.Pointer(file)),
- }
- return wintrust.WinVerifyTrust(0, &wintrust.WINTRUST_ACTION_GENERIC_VERIFY_V2, data) == nil
-}
-
-// This is an easily by-passable check, which doesn't serve a security purpose but mostly just a low-grade
-// informational and semantic one.
-func IsRunningOfficialVersion() bool {
- path, err := os.Executable()
- if err != nil {
- return false
- }
-
- // This is easily circumvented. We don't even verify the chain before hand with WinVerifyTrust.
- // False certificates can be appended. But that's okay, as this isn't security related.
-
- certs, err := wintrust.ExtractCertificates(path)
- if err != nil {
- return false
- }
- for _, cert := range certs {
- if cert.Subject.CommonName == officialCommonName {
- return true
- }
- }
- return false
-}
-
-func IsRunningEVSigned() bool {
- path, err := os.Executable()
- if err != nil {
- return false
- }
-
- // This is easily circumvented. We don't even verify the chain before hand with WinVerifyTrust.
- // False certificates can be appended. But that's okay, as this isn't security related.
-
- certs, err := wintrust.ExtractCertificates(path)
- if err != nil {
- return false
- }
- for _, cert := range certs {
- for _, extension := range cert.Extensions {
- if extension.Id.String() == policyExtensionOid {
- var policies []policyInformation
- if _, err = asn1.Unmarshal(extension.Value, &policies); err != nil {
- continue
- }
- for _, policy := range policies {
- if policy.Policy.String() == evPolicyOid {
- return true
- }
- }
- }
- }
- }
- return false
-}
diff --git a/version/os_windows.go b/version/os.go
index 670d3da7..ff9188bb 100644
--- a/version/os_windows.go
+++ b/version/os.go
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: MIT
*
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
+ * Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
*/
package version
diff --git a/version/useragent.go b/version/useragent.go
index 1c1adf55..3b5240c6 100644
--- a/version/useragent.go
+++ b/version/useragent.go
@@ -1,6 +1,6 @@
/* SPDX-License-Identifier: MIT
*
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
+ * Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
*/
package version
@@ -10,11 +10,17 @@ import (
"runtime"
)
-// #include "version.h"
-import "C"
-
-const Number = C.WIREGUARD_WINDOWS_VERSION_STRING
+func Arch() string {
+ switch runtime.GOARCH {
+ case "arm", "arm64", "amd64":
+ return runtime.GOARCH
+ case "386":
+ return "x86"
+ default:
+ panic("Unrecognized GOARCH")
+ }
+}
func UserAgent() string {
- return fmt.Sprintf("WireGuard/%s (%s; %s)", Number, OsName(), runtime.GOARCH)
+ return fmt.Sprintf("WireGuard/%s (%s; %s)", Number, OsName(), Arch())
}
diff --git a/version/version.go b/version/version.go
new file mode 100644
index 00000000..a7f908e8
--- /dev/null
+++ b/version/version.go
@@ -0,0 +1,10 @@
+/* SPDX-License-Identifier: MIT
+ *
+ * Copyright (C) 2019-2022 WireGuard LLC. All Rights Reserved.
+ */
+
+package version
+
+const (
+ Number = "0.5.3"
+)
diff --git a/version/version.h b/version/version.h
deleted file mode 100644
index 0da08178..00000000
--- a/version/version.h
+++ /dev/null
@@ -1,2 +0,0 @@
-#define WIREGUARD_WINDOWS_VERSION_ARRAY 0,1,1
-#define WIREGUARD_WINDOWS_VERSION_STRING "0.1.1"
diff --git a/version/wintrust/certificate_windows.go b/version/wintrust/certificate_windows.go
deleted file mode 100644
index 1e145095..00000000
--- a/version/wintrust/certificate_windows.go
+++ /dev/null
@@ -1,59 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package wintrust
-
-import (
- "crypto/x509"
- "syscall"
- "unsafe"
-
- "golang.org/x/sys/windows"
-)
-
-const (
- _CERT_QUERY_OBJECT_FILE = 1
- _CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED = 1024
- _CERT_QUERY_FORMAT_FLAG_ALL = 14
-)
-
-//sys cryptQueryObject(objectType uint32, object uintptr, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *windows.Handle, msg *windows.Handle, context *uintptr) (err error) = crypt32.CryptQueryObject
-
-func ExtractCertificates(path string) ([]x509.Certificate, error) {
- path16, err := windows.UTF16PtrFromString(path)
- if err != nil {
- return nil, err
- }
- var certStore windows.Handle
- err = cryptQueryObject(_CERT_QUERY_OBJECT_FILE, uintptr(unsafe.Pointer(path16)), _CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED, _CERT_QUERY_FORMAT_FLAG_ALL, 0, nil, nil, nil, &certStore, nil, nil)
- if err != nil {
- return nil, err
- }
- defer windows.CertCloseStore(certStore, 0)
- var certs []x509.Certificate
- var cert *windows.CertContext
- for {
- cert, err = windows.CertEnumCertificatesInStore(certStore, cert)
- if err != nil {
- if errno, ok := err.(syscall.Errno); ok {
- if errno == syscall.Errno(windows.CRYPT_E_NOT_FOUND) {
- break
- }
- }
- return nil, err
- }
- if cert == nil {
- break
- }
- buf := make([]byte, cert.Length)
- copy(buf, (*[1 << 20]byte)(unsafe.Pointer(cert.EncodedCert))[:])
- if c, err := x509.ParseCertificate(buf); err == nil {
- certs = append(certs, *c)
- } else {
- return nil, err
- }
- }
- return certs, nil
-}
diff --git a/version/wintrust/mksyscall.go b/version/wintrust/mksyscall.go
deleted file mode 100644
index 890b2668..00000000
--- a/version/wintrust/mksyscall.go
+++ /dev/null
@@ -1,8 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package wintrust
-
-//go:generate go run golang.org/x/sys/windows/mkwinsyscall -output zsyscall_windows.go wintrust_windows.go certificate_windows.go
diff --git a/version/wintrust/wintrust_windows.go b/version/wintrust/wintrust_windows.go
deleted file mode 100644
index fa3b2f0b..00000000
--- a/version/wintrust/wintrust_windows.go
+++ /dev/null
@@ -1,116 +0,0 @@
-/* SPDX-License-Identifier: MIT
- *
- * Copyright (C) 2019 WireGuard LLC. All Rights Reserved.
- */
-
-package wintrust
-
-import (
- "syscall"
-
- "golang.org/x/sys/windows"
-)
-
-type WinTrustData struct {
- CbStruct uint32
- PolicyCallbackData uintptr
- SIPClientData uintptr
- UIChoice uint32
- RevocationChecks uint32
- UnionChoice uint32
- FileOrCatalogOrBlobOrSgnrOrCert uintptr
- StateAction uint32
- StateData syscall.Handle
- URLReference *uint16
- ProvFlags uint32
- UIContext uint32
- SignatureSettings *WintrustSignatureSettings
-}
-
-const (
- WTD_UI_ALL = 1
- WTD_UI_NONE = 2
- WTD_UI_NOBAD = 3
- WTD_UI_NOGOOD = 4
-)
-
-const (
- WTD_REVOKE_NONE = 0
- WTD_REVOKE_WHOLECHAIN = 1
-)
-
-const (
- WTD_CHOICE_FILE = 1
- WTD_CHOICE_CATALOG = 2
- WTD_CHOICE_BLOB = 3
- WTD_CHOICE_SIGNER = 4
- WTD_CHOICE_CERT = 5
-)
-
-const (
- WTD_STATEACTION_IGNORE = 0x00000000
- WTD_STATEACTION_VERIFY = 0x00000010
- WTD_STATEACTION_CLOSE = 0x00000002
- WTD_STATEACTION_AUTO_CACHE = 0x00000003
- WTD_STATEACTION_AUTO_CACHE_FLUSH = 0x00000004
-)
-
-const (
- WTD_USE_IE4_TRUST_FLAG = 0x1
- WTD_NO_IE4_CHAIN_FLAG = 0x2
- WTD_NO_POLICY_USAGE_FLAG = 0x4
- WTD_REVOCATION_CHECK_NONE = 0x10
- WTD_REVOCATION_CHECK_END_CERT = 0x20
- WTD_REVOCATION_CHECK_CHAIN = 0x40
- WTD_REVOCATION_CHECK_CHAIN_EXCLUDE_ROOT = 0x80
- WTD_SAFER_FLAG = 0x100
- WTD_HASH_ONLY_FLAG = 0x200
- WTD_USE_DEFAULT_OSVER_CHECK = 0x400
- WTD_LIFETIME_SIGNING_FLAG = 0x800
- WTD_CACHE_ONLY_URL_RETRIEVAL = 0x1000
- WTD_DISABLE_MD2_MD4 = 0x2000
- WTD_MOTW = 0x4000
-)
-
-const (
- TRUST_E_NOSIGNATURE = 0x800B0100
- TRUST_E_EXPLICIT_DISTRUST = 0x800B0111
- TRUST_E_SUBJECT_NOT_TRUSTED = 0x800B0004
- CRYPT_E_SECURITY_SETTINGS = 0x80092026
-)
-
-const (
- WTD_UICONTEXT_EXECUTE = 0
- WTD_UICONTEXT_INSTALL = 1
-)
-
-var WINTRUST_ACTION_GENERIC_VERIFY_V2 = windows.GUID{
- Data1: 0xaac56b,
- Data2: 0xcd44,
- Data3: 0x11d0,
- Data4: [8]byte{0x8c, 0xc2, 0x0, 0xc0, 0x4f, 0xc2, 0x95, 0xee},
-}
-
-type WinTrustFileInfo struct {
- CbStruct uint32
- FilePath *uint16
- File windows.Handle
- KnownSubject *windows.GUID
-}
-
-type WintrustSignatureSettings struct {
- CbStruct uint32
- Index uint32
- Flags uint32
- SecondarySigs uint32
- VerifiedSigIndex uint32
- CryptoPolicy *CertStrongSignPara
-}
-
-type CertStrongSignPara struct {
- CbStruct uint32
- InfoChoice uint32
- InfoOrSerializedInfoOrOID uintptr
-}
-
-//sys WinVerifyTrust(hWnd windows.Handle, actionId *windows.GUID, data *WinTrustData) (err error) [r1 != 0] = wintrust.WinVerifyTrust
diff --git a/version/wintrust/zsyscall_windows.go b/version/wintrust/zsyscall_windows.go
deleted file mode 100644
index 4d73cc5e..00000000
--- a/version/wintrust/zsyscall_windows.go
+++ /dev/null
@@ -1,69 +0,0 @@
-// Code generated by 'go generate'; DO NOT EDIT.
-
-package wintrust
-
-import (
- "syscall"
- "unsafe"
-
- "golang.org/x/sys/windows"
-)
-
-var _ unsafe.Pointer
-
-// Do the interface allocations only once for common
-// Errno values.
-const (
- errnoERROR_IO_PENDING = 997
-)
-
-var (
- errERROR_IO_PENDING error = syscall.Errno(errnoERROR_IO_PENDING)
-)
-
-// errnoErr returns common boxed Errno values, to prevent
-// allocations at runtime.
-func errnoErr(e syscall.Errno) error {
- switch e {
- case 0:
- return nil
- case errnoERROR_IO_PENDING:
- return errERROR_IO_PENDING
- }
- // TODO: add more here, after collecting data on the common
- // error values see on Windows. (perhaps when running
- // all.bat?)
- return e
-}
-
-var (
- modwintrust = windows.NewLazySystemDLL("wintrust.dll")
- modcrypt32 = windows.NewLazySystemDLL("crypt32.dll")
-
- procWinVerifyTrust = modwintrust.NewProc("WinVerifyTrust")
- procCryptQueryObject = modcrypt32.NewProc("CryptQueryObject")
-)
-
-func WinVerifyTrust(hWnd windows.Handle, actionId *windows.GUID, data *WinTrustData) (err error) {
- r1, _, e1 := syscall.Syscall(procWinVerifyTrust.Addr(), 3, uintptr(hWnd), uintptr(unsafe.Pointer(actionId)), uintptr(unsafe.Pointer(data)))
- if r1 != 0 {
- if e1 != 0 {
- err = errnoErr(e1)
- } else {
- err = syscall.EINVAL
- }
- }
- return
-}
-
-func cryptQueryObject(objectType uint32, object uintptr, expectedContentTypeFlags uint32, expectedFormatTypeFlags uint32, flags uint32, msgAndCertEncodingType *uint32, contentType *uint32, formatType *uint32, certStore *windows.Handle, msg *windows.Handle, context *uintptr) (err error) {
- r1, _, e1 := syscall.Syscall12(procCryptQueryObject.Addr(), 11, uintptr(objectType), uintptr(object), uintptr(expectedContentTypeFlags), uintptr(expectedFormatTypeFlags), uintptr(flags), uintptr(unsafe.Pointer(msgAndCertEncodingType)), uintptr(unsafe.Pointer(contentType)), uintptr(unsafe.Pointer(formatType)), uintptr(unsafe.Pointer(certStore)), uintptr(unsafe.Pointer(msg)), uintptr(unsafe.Pointer(context)), 0)
- if r1 == 0 {
- if e1 != 0 {
- err = errnoErr(e1)
- } else {
- err = syscall.EINVAL
- }
- }
- return
-}
Copyright © 1996 – 2023 Jason A. Donenfeld. All Rights Reverse Engineered.