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-rw-r--r--bin/win32/BINDInstall/AccountInfo.cpp465
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diff --git a/bin/win32/BINDInstall/AccountInfo.cpp b/bin/win32/BINDInstall/AccountInfo.cpp
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+/*
+ * Copyright (C) Internet Systems Consortium, Inc. ("ISC")
+ *
+ * SPDX-License-Identifier: MPL-2.0
+ *
+ * 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 https://mozilla.org/MPL/2.0/.
+ *
+ * See the COPYRIGHT file distributed with this work for additional
+ * information regarding copyright ownership.
+ */
+
+/* Compiled with UNICODE */
+
+#include "stdafx.h"
+
+#include <windows.h>
+#include <lm.h>
+#include <ntsecapi.h>
+
+#include <isc/ntgroups.h>
+#include <isc/result.h>
+#include "AccountInfo.h"
+
+#define MAX_NAME_LENGTH 256
+
+NTSTATUS
+OpenPolicy(
+ LPWSTR ServerName, /* machine to open policy on (Unicode) */
+ DWORD DesiredAccess, /* desired access to policy */
+ PLSA_HANDLE PolicyHandle /* resultant policy handle */
+ );
+
+BOOL
+GetAccountSid(
+ LPTSTR SystemName, /* where to lookup account */
+ LPTSTR AccountName, /* account of interest */
+ PSID *Sid /* resultant buffer containing SID */
+ );
+
+NTSTATUS
+SetPrivilegeOnAccount(
+ LSA_HANDLE PolicyHandle, /* open policy handle */
+ PSID AccountSid, /* SID to grant privilege to */
+ LPWSTR PrivilegeName, /* privilege to grant (Unicode) */
+ BOOL bEnable /* enable or disable */
+ );
+
+NTSTATUS
+GetPrivilegesOnAccount(
+ LSA_HANDLE PolicyHandle, /* open policy handle */
+ PSID AccountSid, /* SID to grant privilege to */
+ wchar_t **PrivList, /* Ptr to List of Privileges found */
+ unsigned int *PrivCount /* total number of Privileges in list */
+ );
+
+NTSTATUS
+AddPrivilegeToAcccount(
+ LPTSTR AccountName, /* Name of the account */
+ LPWSTR PrivilegeName /* Privilege to Add */
+ );
+
+void
+InitLsaString(
+ PLSA_UNICODE_STRING LsaString, /* destination */
+ LPWSTR String /* source (Unicode) */
+ );
+
+void
+DisplayNtStatus(
+ LPSTR szAPI, /* pointer to function name (ANSI) */
+ NTSTATUS Status /* NTSTATUS error value */
+ );
+
+void
+DisplayWinError(
+ LPSTR szAPI, /* pointer to function name (ANSI) */
+ DWORD WinError /* DWORD WinError */
+ );
+
+#ifndef STATUS_SUCCESS
+#define STATUS_SUCCESS ((NTSTATUS)0x00000000L)
+#endif
+
+/*
+ * Note that this code only retrieves the list of privileges of the
+ * requested account or group. However, all accounts belong to the
+ * Everyone group even though that group is not returned by the
+ * calls to get the groups to which that account belongs.
+ * The Everyone group has two privileges associated with it:
+ * SeChangeNotifyPrivilege and SeNetworkLogonRight
+ * It is not advisable to disable or remove these privileges
+ * from the group nor can the account be removed from the Everyone
+ * group
+ * The None group has no privileges associated with it and is the group
+ * to which an account belongs if it is associated with no group.
+ */
+
+int
+GetAccountPrivileges(char *name, wchar_t **PrivList, unsigned int *PrivCount,
+ char **Accounts, unsigned int *totalAccounts,
+ int maxAccounts)
+{
+ LSA_HANDLE PolicyHandle;
+ TCHAR AccountName[256]; /* static account name buffer */
+ PSID pSid;
+ unsigned int i;
+ NTSTATUS Status;
+ isc_result_t istatus;
+ int iRetVal = RTN_ERROR; /* assume error from main */
+ int n;
+
+ /*
+ * Open the policy on the target machine.
+ */
+ if ((Status = OpenPolicy(NULL,
+ POLICY_LOOKUP_NAMES,
+ &PolicyHandle)) != STATUS_SUCCESS)
+ return (RTN_ERROR);
+
+ /*
+ * Let's see if the account exists. Return if not
+ */
+ n = wnsprintf(AccountName, sizeof(AccountName), TEXT("%hS"), name);
+ if (n < 0 || (size_t)n >= sizeof(AccountName)) {
+ LsaClose(PolicyHandle);
+ return (RTN_ERROR);
+ }
+
+ if (!GetAccountSid(NULL, AccountName, &pSid)) {
+ LsaClose(PolicyHandle);
+ return (RTN_NOACCOUNT);
+ }
+
+ /*
+ * Find out what groups the account belongs to
+ */
+ istatus = isc_ntsecurity_getaccountgroups(name, Accounts, maxAccounts,
+ totalAccounts);
+ if (istatus == ISC_R_NOMEMORY) {
+ LsaClose(PolicyHandle);
+ return (RTN_NOMEMORY);
+ } else if (istatus != ISC_R_SUCCESS) {
+ LsaClose(PolicyHandle);
+ return (RTN_ERROR);
+ }
+
+ Accounts[*totalAccounts] = name; /* Add the account to the list */
+ (*totalAccounts)++;
+
+ /*
+ * Loop through each Account to get the list of privileges
+ */
+ for (i = 0; i < *totalAccounts; i++) {
+ n = wnsprintf(AccountName, sizeof(AccountName), TEXT("%hS"),
+ Accounts[i]);
+ if (n < 0 || (size_t)n >= sizeof(AccountName)) {
+ continue;
+ }
+
+ /* Obtain the SID of the user/group. */
+ if (!GetAccountSid(NULL, AccountName, &pSid)) {
+ continue; /* Try the next one */
+ }
+
+ /* Get the Privileges allocated to this SID */
+ if ((Status = GetPrivilegesOnAccount(PolicyHandle, pSid,
+ PrivList, PrivCount)) == STATUS_SUCCESS)
+ {
+ iRetVal=RTN_OK;
+ if (pSid != NULL)
+ HeapFree(GetProcessHeap(), 0, pSid);
+ } else {
+ if (pSid != NULL)
+ HeapFree(GetProcessHeap(), 0, pSid);
+ continue; /* Try the next one */
+ }
+ }
+
+ /*
+ * Close the policy handle.
+ */
+ LsaClose(PolicyHandle);
+
+ (*totalAccounts)--; /* Correct for the number of groups */
+ return iRetVal;
+}
+
+BOOL
+CreateServiceAccount(char *name, char *password) {
+ NTSTATUS retstat;
+ USER_INFO_1 ui;
+ DWORD dwLevel = 1;
+ DWORD dwError = 0;
+ NET_API_STATUS nStatus;
+
+ size_t namelen = strlen(name);
+ size_t passwdlen = strlen(password);
+ wchar_t AccountName[MAX_NAME_LENGTH];
+ wchar_t AccountPassword[MAX_NAME_LENGTH];
+
+ mbstowcs(AccountName, name, namelen + 1);
+ mbstowcs(AccountPassword, password, passwdlen + 1);
+
+ /*
+ * Set up the USER_INFO_1 structure.
+ * USER_PRIV_USER: name is required here when creating an account
+ * rather than an administrator or a guest.
+ */
+
+ ui.usri1_name = (LPWSTR) &AccountName;
+ ui.usri1_password = (LPWSTR) &AccountPassword;
+ ui.usri1_priv = USER_PRIV_USER;
+ ui.usri1_home_dir = NULL;
+ ui.usri1_comment = L"ISC BIND Service Account";
+ ui.usri1_flags = UF_PASSWD_CANT_CHANGE | UF_DONT_EXPIRE_PASSWD |
+ UF_SCRIPT;
+ ui.usri1_script_path = NULL;
+
+ /*
+ * Call the NetUserAdd function, specifying level 1.
+ */
+ nStatus = NetUserAdd(NULL, dwLevel, (LPBYTE)&ui, &dwError);
+ if (nStatus != NERR_Success) {
+ return (FALSE);
+ }
+
+ retstat = AddPrivilegeToAcccount(name, SE_SERVICE_LOGON_PRIV);
+ if (retstat != RTN_OK) {
+ return (FALSE);
+ }
+
+ return (TRUE);
+}
+
+NTSTATUS
+AddPrivilegeToAcccount(LPTSTR name, LPWSTR PrivilegeName) {
+ LSA_HANDLE PolicyHandle;
+ TCHAR AccountName[256]; /* static account name buffer */
+ PSID pSid;
+ NTSTATUS Status;
+ unsigned long err;
+ int n;
+
+ /*
+ * Open the policy on the target machine.
+ */
+ Status = OpenPolicy(NULL, POLICY_ALL_ACCESS, &PolicyHandle);
+ if (Status != STATUS_SUCCESS) {
+ return (RTN_ERROR);
+ }
+
+ /*
+ * Let's see if the account exists. Return if not
+ */
+ n = wnsprintf(AccountName, sizeof(AccountName), TEXT("%hS"), name);
+ if (n < 0 || (size_t)n >= sizeof(AccountName)) {
+ LsaClose(PolicyHandle);
+ return (RTN_ERROR);
+ }
+
+ if (!GetAccountSid(NULL, AccountName, &pSid)) {
+ LsaClose(PolicyHandle);
+ return (RTN_NOACCOUNT);
+ }
+
+ err = LsaNtStatusToWinError(SetPrivilegeOnAccount(PolicyHandle,
+ pSid, PrivilegeName, TRUE));
+
+ LsaClose(PolicyHandle);
+ if (err == ERROR_SUCCESS) {
+ return (RTN_OK);
+ } else {
+ return (err);
+ }
+}
+
+void
+InitLsaString(PLSA_UNICODE_STRING LsaString, LPWSTR String){
+ size_t StringLength;
+
+ if (String == NULL) {
+ LsaString->Buffer = NULL;
+ LsaString->Length = 0;
+ LsaString->MaximumLength = 0;
+ return;
+ }
+
+ StringLength = wcslen(String);
+ LsaString->Buffer = String;
+ LsaString->Length = (USHORT) StringLength * sizeof(WCHAR);
+ LsaString->MaximumLength = (USHORT)(StringLength+1) * sizeof(WCHAR);
+}
+
+NTSTATUS
+OpenPolicy(LPWSTR ServerName, DWORD DesiredAccess, PLSA_HANDLE PolicyHandle){
+ LSA_OBJECT_ATTRIBUTES ObjectAttributes;
+ LSA_UNICODE_STRING ServerString;
+ PLSA_UNICODE_STRING Server = NULL;
+
+ /*
+ * Always initialize the object attributes to all zeroes.
+ */
+ ZeroMemory(&ObjectAttributes, sizeof(ObjectAttributes));
+
+ if (ServerName != NULL) {
+ /*
+ * Make a LSA_UNICODE_STRING out of the LPWSTR passed in
+ */
+ InitLsaString(&ServerString, ServerName);
+ Server = &ServerString;
+ }
+
+ /*
+ * Attempt to open the policy.
+ */
+ return (LsaOpenPolicy(Server, &ObjectAttributes, DesiredAccess,
+ PolicyHandle));
+}
+
+BOOL
+GetAccountSid(LPTSTR SystemName, LPTSTR AccountName, PSID *Sid) {
+ LPTSTR ReferencedDomain = NULL;
+ DWORD cbSid = 128; /* initial allocation attempt */
+ DWORD cbReferencedDomain = 16; /* initial allocation size */
+ SID_NAME_USE peUse;
+ BOOL bSuccess = FALSE; /* assume this function will fail */
+
+ __try {
+ /*
+ * initial memory allocations
+ */
+ if ((*Sid = HeapAlloc(GetProcessHeap(), 0, cbSid)) == NULL)
+ __leave;
+
+ if ((ReferencedDomain = (LPTSTR) HeapAlloc(GetProcessHeap(), 0,
+ cbReferencedDomain)) == NULL) __leave;
+
+ /*
+ * Obtain the SID of the specified account on the specified system.
+ */
+ while (!LookupAccountName(SystemName, AccountName, *Sid, &cbSid,
+ ReferencedDomain, &cbReferencedDomain,
+ &peUse))
+ {
+ if (GetLastError() == ERROR_INSUFFICIENT_BUFFER) {
+ /* reallocate memory */
+ if ((*Sid = HeapReAlloc(GetProcessHeap(), 0,
+ *Sid, cbSid)) == NULL) __leave;
+
+ if ((ReferencedDomain= (LPTSTR) HeapReAlloc(
+ GetProcessHeap(), 0, ReferencedDomain,
+ cbReferencedDomain)) == NULL)
+ __leave;
+ }
+ else
+ __leave;
+ }
+ bSuccess = TRUE;
+ } /* finally */
+ __finally {
+
+ /* Cleanup and indicate failure, if appropriate. */
+
+ HeapFree(GetProcessHeap(), 0, ReferencedDomain);
+
+ if (!bSuccess) {
+ if (*Sid != NULL) {
+ HeapFree(GetProcessHeap(), 0, *Sid);
+ *Sid = NULL;
+ }
+ }
+
+ }
+
+ return (bSuccess);
+}
+
+NTSTATUS
+SetPrivilegeOnAccount(LSA_HANDLE PolicyHandle, PSID AccountSid,
+ LPWSTR PrivilegeName, BOOL bEnable)
+{
+ LSA_UNICODE_STRING PrivilegeString;
+
+ /* Create a LSA_UNICODE_STRING for the privilege name. */
+ InitLsaString(&PrivilegeString, PrivilegeName);
+
+ /* grant or revoke the privilege, accordingly */
+ if (bEnable)
+ return (LsaAddAccountRights(PolicyHandle, AccountSid,
+ &PrivilegeString, 1));
+ else
+ return (LsaRemoveAccountRights(PolicyHandle, AccountSid,
+ FALSE, &PrivilegeString, 1));
+}
+
+NTSTATUS
+GetPrivilegesOnAccount(LSA_HANDLE PolicyHandle, PSID AccountSid,
+ wchar_t **PrivList, unsigned int *PrivCount)
+{
+ NTSTATUS Status;
+ LSA_UNICODE_STRING *UserRights;
+ ULONG CountOfRights;
+ DWORD i, j;
+ int found;
+
+ Status = LsaEnumerateAccountRights(PolicyHandle, AccountSid,
+ &UserRights, &CountOfRights);
+ /* Only continue if there is something */
+ if (UserRights == NULL || Status != STATUS_SUCCESS)
+ return (Status);
+
+ for (i = 0; i < CountOfRights; i++) {
+ unsigned int retlen;
+ found = -1;
+ retlen = UserRights[i].Length/sizeof(wchar_t);
+ for (j = 0; j < *PrivCount; j++) {
+ found = wcsncmp(PrivList[j], UserRights[i].Buffer,
+ retlen);
+ if (found == 0)
+ break;
+ }
+ if (found != 0) {
+ PrivList[*PrivCount] =
+ (wchar_t *)malloc(UserRights[i].MaximumLength);
+ if (PrivList[*PrivCount] == NULL)
+ return (RTN_NOMEMORY);
+
+ wcsncpy(PrivList[*PrivCount], UserRights[i].Buffer,
+ retlen);
+ PrivList[*PrivCount][retlen] = L'\0';
+ (*PrivCount)++;
+ }
+
+ }
+
+ return (Status);
+}
+
+void
+DisplayNtStatus(LPSTR szAPI, NTSTATUS Status) {
+ /* Convert the NTSTATUS to Winerror. Then call DisplayWinError(). */
+ DisplayWinError(szAPI, LsaNtStatusToWinError(Status));
+}
+
+void
+DisplayWinError(LPSTR szAPI, DWORD WinError) {
+ LPSTR MessageBuffer;
+ DWORD dwBufferLength;
+
+ if (dwBufferLength=FormatMessageA(
+ FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM,
+ NULL, WinError, GetUserDefaultLangID(),
+ (LPSTR) &MessageBuffer, 0, NULL)){
+ DWORD dwBytesWritten; /* unused */
+
+ /* Output message string on stderr. */
+ WriteFile(GetStdHandle(STD_ERROR_HANDLE), MessageBuffer,
+ dwBufferLength, &dwBytesWritten, NULL);
+
+ /* Free the buffer allocated by the system. */
+ LocalFree(MessageBuffer);
+ }
+}