Add m-esr52 at 52.6.0

1 files changed, 385 insertions, 0 deletions

diff --git a/other-licenses/nsis/Contrib/CertCheck/CertCheck.cpp b/other-licenses/nsis/Contrib/CertCheck/CertCheck.cpp
new file mode 100644
index 000000000..172ca22f6
--- /dev/null
+++ b/other-licenses/nsis/Contrib/CertCheck/CertCheck.cpp
@@ -0,0 +1,385 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <windows.h>
+#include <softpub.h>
+#include <wintrust.h>
+
+#pragma comment(lib, "wintrust.lib")
+#pragma comment(lib, "crypt32.lib")
+
+#ifdef UNICODE
+
+#ifndef _T
+#define __T(x)   L ## x
+#define _T(x)    __T(x)
+#define _TEXT(x) __T(x)
+#endif
+
+#else
+
+#ifndef _T
+#define _T(x)    x
+#define _TEXT(x) x
+#endif
+
+#endif // UNICODE
+
+static const int ENCODING = X509_ASN_ENCODING | PKCS_7_ASN_ENCODING;
+
+typedef struct _stack_t {
+  struct _stack_t *next;
+  TCHAR text[MAX_PATH];
+} stack_t;
+
+int popstring(stack_t **stacktop, LPTSTR str, int len);
+void pushstring(stack_t **stacktop, LPCTSTR str, int len);
+
+struct CertificateCheckInfo
+{
+  LPCWSTR name;
+  LPCWSTR issuer;
+};
+
+/**
+ * Checks to see if a file stored at filePath matches the specified info. This
+ * only supports the name and issuer attributes currently.
+ *
+ * @param  certContext  The certificate context of the file
+ * @param  infoToMatch  The acceptable information to match
+ * @return FALSE if the info does not match or if any error occurs in the check
+ */
+BOOL
+DoCertificateAttributesMatch(PCCERT_CONTEXT certContext,
+                             CertificateCheckInfo &infoToMatch)
+{
+  DWORD dwData;
+  LPTSTR szName = NULL;
+
+  // Pass in NULL to get the needed size of the issuer buffer.
+  dwData = CertGetNameString(certContext,
+                             CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                             CERT_NAME_ISSUER_FLAG, NULL,
+                             NULL, 0);
+
+  if (!dwData) {
+    return FALSE;
+  }
+
+  // Allocate memory for Issuer name buffer.
+  szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(WCHAR));
+  if (!szName) {
+    return FALSE;
+  }
+
+  // Get Issuer name.
+  if (!CertGetNameString(certContext, CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                         CERT_NAME_ISSUER_FLAG, NULL, szName, dwData)) {
+    LocalFree(szName);
+    return FALSE;
+  }
+
+  // If the issuer does not match, return a failure.
+  if (!infoToMatch.issuer ||
+      wcscmp(szName, infoToMatch.issuer)) {
+    LocalFree(szName);
+    return FALSE;
+  }
+
+  LocalFree(szName);
+  szName = NULL;
+
+  // Pass in NULL to get the needed size of the name buffer.
+  dwData = CertGetNameString(certContext, CERT_NAME_SIMPLE_DISPLAY_TYPE,
+                             0, NULL, NULL, 0);
+  if (!dwData) {
+    return FALSE;
+  }
+
+  // Allocate memory for the name buffer.
+  szName = (LPTSTR)LocalAlloc(LPTR, dwData * sizeof(WCHAR));
+  if (!szName) {
+    return FALSE;
+  }
+
+  // Obtain the name.
+  if (!(CertGetNameString(certContext, CERT_NAME_SIMPLE_DISPLAY_TYPE, 0,
+                          NULL, szName, dwData))) {
+    LocalFree(szName);
+    return FALSE;
+  }
+
+  // If the issuer does not match, return a failure.
+  if (!infoToMatch.name ||
+      wcscmp(szName, infoToMatch.name)) {
+    LocalFree(szName);
+    return FALSE;
+  }
+
+  // We have a match!
+  LocalFree(szName);
+
+  // If there were any errors we would have aborted by now.
+  return TRUE;
+}
+
+/**
+ * Checks to see if a file stored at filePath matches the specified info. This
+ * only supports the name and issuer attributes currently.
+ *
+ * @param  filePath    The PE file path to check
+ * @param  infoToMatch The acceptable information to match
+ * @return ERROR_SUCCESS if successful, ERROR_NOT_FOUND if the info
+ *         does not match, or the last error otherwise.
+ */
+DWORD
+CheckCertificateForPEFile(LPCWSTR filePath,
+                          CertificateCheckInfo &infoToMatch)
+{
+  HCERTSTORE certStore = NULL;
+  HCRYPTMSG cryptMsg = NULL;
+  PCCERT_CONTEXT certContext = NULL;
+  PCMSG_SIGNER_INFO signerInfo = NULL;
+  DWORD lastError = ERROR_SUCCESS;
+
+  // Get the HCERTSTORE and HCRYPTMSG from the signed file.
+  DWORD encoding, contentType, formatType;
+  BOOL result = CryptQueryObject(CERT_QUERY_OBJECT_FILE,
+                                 filePath,
+                                 CERT_QUERY_CONTENT_FLAG_PKCS7_SIGNED_EMBED,
+                                 CERT_QUERY_CONTENT_FLAG_ALL,
+                                 0, &encoding, &contentType,
+                                 &formatType, &certStore, &cryptMsg, NULL);
+  if (!result) {
+    lastError = GetLastError();
+    goto cleanup;
+  }
+
+  // Pass in NULL to get the needed signer information size.
+  DWORD signerInfoSize;
+  result = CryptMsgGetParam(cryptMsg, CMSG_SIGNER_INFO_PARAM, 0,
+                            NULL, &signerInfoSize);
+  if (!result) {
+    lastError = GetLastError();
+    goto cleanup;
+  }
+
+  // Allocate the needed size for the signer information.
+  signerInfo = (PCMSG_SIGNER_INFO)LocalAlloc(LPTR, signerInfoSize);
+  if (!signerInfo) {
+    lastError = GetLastError();
+    goto cleanup;
+  }
+
+  // Get the signer information (PCMSG_SIGNER_INFO).
+  // In particular we want the issuer and serial number.
+  result = CryptMsgGetParam(cryptMsg, CMSG_SIGNER_INFO_PARAM, 0,
+                            (PVOID)signerInfo, &signerInfoSize);
+  if (!result) {
+    lastError = GetLastError();
+    goto cleanup;
+  }
+
+  // Search for the signer certificate in the certificate store.
+  CERT_INFO certInfo;
+  certInfo.Issuer = signerInfo->Issuer;
+  certInfo.SerialNumber = signerInfo->SerialNumber;
+  certContext = CertFindCertificateInStore(certStore, ENCODING, 0,
+                                           CERT_FIND_SUBJECT_CERT,
+                                           (PVOID)&certInfo, NULL);
+  if (!certContext) {
+    lastError = GetLastError();
+    goto cleanup;
+  }
+
+  if (!DoCertificateAttributesMatch(certContext, infoToMatch)) {
+    lastError = ERROR_NOT_FOUND;
+    goto cleanup;
+  }
+
+cleanup:
+  if (signerInfo) {
+    LocalFree(signerInfo);
+  }
+  if (certContext) {
+    CertFreeCertificateContext(certContext);
+  }
+  if (certStore) {
+    CertCloseStore(certStore, 0);
+  }
+  if (cryptMsg) {
+    CryptMsgClose(cryptMsg);
+  }
+  return lastError;
+}
+
+/**
+ * Compares the certificate name and issuer values for a signed file's with the
+ * values provided.
+ *
+ * @param  stacktop  A pointer to the top of the stack. The stack should contain
+ *                   from the top the file's path, the expected value for the
+ *                   certificate's name attribute, and the expected value for
+ *                   the certificate's issuer attribute.
+ * @param  variables A pointer to the NSIS variables
+ * @return 1 if the certificate name and issuer attributes matched the expected
+ *         values, 0 if they don't match the expected values.
+ */
+extern "C" void __declspec(dllexport)
+VerifyCertNameIssuer(HWND hwndParent, int string_size,
+               TCHAR *variables, stack_t **stacktop, void *extra)
+{
+  TCHAR tmp1[MAX_PATH + 1] = { _T('\0') };
+  TCHAR tmp2[MAX_PATH + 1] = { _T('\0') };
+  TCHAR tmp3[MAX_PATH + 1] = { _T('\0') };
+  WCHAR filePath[MAX_PATH + 1] = { L'\0' };
+  WCHAR certName[MAX_PATH + 1] = { L'\0' };
+  WCHAR certIssuer[MAX_PATH + 1] = { L'\0' };
+
+  popstring(stacktop, tmp1, MAX_PATH);
+  popstring(stacktop, tmp2, MAX_PATH);
+  popstring(stacktop, tmp3, MAX_PATH);
+
+#if !defined(UNICODE)
+    MultiByteToWideChar(CP_ACP, 0, tmp1, -1, filePath, MAX_PATH);
+    MultiByteToWideChar(CP_ACP, 0, tmp2, -1, certName, MAX_PATH);
+    MultiByteToWideChar(CP_ACP, 0, tmp3, -1, certIssuer, MAX_PATH);
+#else
+    wcsncpy(filePath, tmp1, MAX_PATH);
+    wcsncpy(certName, tmp2, MAX_PATH);
+    wcsncpy(certIssuer, tmp3, MAX_PATH);
+#endif
+
+  CertificateCheckInfo allowedCertificate = {
+    certName,
+    certIssuer,
+  };
+
+  LONG retCode = CheckCertificateForPEFile(filePath, allowedCertificate);
+  if (retCode == ERROR_SUCCESS) {
+    pushstring(stacktop, TEXT("1"), 2);
+  } else {
+    pushstring(stacktop, TEXT("0"), 2);
+  }
+}
+
+/**
+ * Verifies the trust of a signed file's certificate.
+ *
+ * @param  filePath  The file path to check.
+ * @return ERROR_SUCCESS if successful, or the last error code otherwise.
+ */
+DWORD
+VerifyCertificateTrustForFile(LPCWSTR filePath)
+{
+  // Setup the file to check.
+  WINTRUST_FILE_INFO fileToCheck;
+  ZeroMemory(&fileToCheck, sizeof(fileToCheck));
+  fileToCheck.cbStruct = sizeof(WINTRUST_FILE_INFO);
+  fileToCheck.pcwszFilePath = filePath;
+
+  // Setup what to check, we want to check it is signed and trusted.
+  WINTRUST_DATA trustData;
+  ZeroMemory(&trustData, sizeof(trustData));
+  trustData.cbStruct = sizeof(trustData);
+  trustData.pPolicyCallbackData = NULL;
+  trustData.pSIPClientData = NULL;
+  trustData.dwUIChoice = WTD_UI_NONE;
+  trustData.fdwRevocationChecks = WTD_REVOKE_NONE;
+  trustData.dwUnionChoice = WTD_CHOICE_FILE;
+  trustData.dwStateAction = 0;
+  trustData.hWVTStateData = NULL;
+  trustData.pwszURLReference = NULL;
+  // no UI
+  trustData.dwUIContext = 0;
+  trustData.pFile = &fileToCheck;
+
+  GUID policyGUID = WINTRUST_ACTION_GENERIC_VERIFY_V2;
+  // Check if the file is signed by something that is trusted.
+  LONG ret = WinVerifyTrust(NULL, &policyGUID, &trustData);
+  return ret;
+}
+
+/**
+ * Verifies the trust of a signed file's certificate.
+ *
+ * @param  stacktop  A pointer to the top of the stack. This should be the file
+ *                   path for the file that will have its trust verified.
+ * @param  variables A pointer to the NSIS variables
+ * @return 1 if the file's trust was verified successfully, 0 if it was not
+ */
+extern "C" void __declspec(dllexport)
+VerifyCertTrust(HWND hwndParent, int string_size,
+                TCHAR *variables, stack_t **stacktop, void *extra)
+{
+  TCHAR tmp[MAX_PATH + 1] = { _T('\0') };
+  WCHAR filePath[MAX_PATH + 1] = { L'\0' };
+
+  popstring(stacktop, tmp, MAX_PATH);
+
+#if !defined(UNICODE)
+    MultiByteToWideChar(CP_ACP, 0, tmp, -1, filePath, MAX_PATH);
+#else
+    wcsncpy(filePath, tmp, MAX_PATH);
+#endif
+
+  LONG retCode = VerifyCertificateTrustForFile(filePath);
+  if (retCode == ERROR_SUCCESS) {
+    pushstring(stacktop, TEXT("1"), 2);
+  } else {
+    pushstring(stacktop, TEXT("0"), 2);
+  }
+}
+
+BOOL WINAPI
+DllMain(HANDLE hInst, ULONG ul_reason_for_call, LPVOID lpReserved)
+{
+  return TRUE;
+}
+
+/**
+ * Removes an element from the top of the NSIS stack
+ *
+ * @param  stacktop A pointer to the top of the stack
+ * @param  str      The string to pop to
+ * @param  len      The max length
+ * @return 0 on success
+*/
+int popstring(stack_t **stacktop, TCHAR *str, int len)
+{
+  // Removes the element from the top of the stack and puts it in the buffer
+  stack_t *th;
+  if (!stacktop || !*stacktop) {
+    return 1;
+  }
+
+  th = (*stacktop);
+  lstrcpyn(str,th->text, len);
+  *stacktop = th->next;
+  GlobalFree((HGLOBAL)th);
+  return 0;
+}
+
+/**
+ * Adds an element to the top of the NSIS stack
+ *
+ * @param  stacktop A pointer to the top of the stack
+ * @param  str      The string to push on the stack
+ * @param  len      The length of the string to push on the stack
+ * @return 0 on success
+*/
+void pushstring(stack_t **stacktop, const TCHAR *str, int len)
+{
+  stack_t *th;
+  if (!stacktop) { 
+    return;
+  }
+
+  th = (stack_t*)GlobalAlloc(GPTR, sizeof(stack_t) + len);
+  lstrcpyn(th->text, str, len);
+  th->next = *stacktop;
+  *stacktop = th;
+}