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https://github.com/pbatard/rufus.git
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[process] print access rights
* Also clean up the code
This commit is contained in:
Pete Batard
parent
7b86943266
commit
7b37208820
3 changed files with 36 additions and 40 deletions
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@ -345,6 +345,7 @@ ULONG PhGetObjectTypeNumber(PUNICODE_STRING TypeName)
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*/
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BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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{
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const char *access_rights_str[4] = { "n", "r", "w", "rw" };
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NTSTATUS status = STATUS_SUCCESS;
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PSYSTEM_HANDLE_INFORMATION_EX handles = NULL;
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POBJECT_NAME_INFORMATION buffer = NULL;
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@ -361,14 +362,15 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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HANDLE dupHandle = NULL;
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HANDLE processHandle = NULL;
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BOOLEAN bFound = FALSE;
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char exe[2][MAX_PATH];
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int cur_exe, cur_pid;
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ULONG access_rights = 0;
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char exe_path[MAX_PATH];
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int cur_pid;
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PF_INIT_OR_SET_STATUS(NtQueryObject, Ntdll);
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PF_INIT_OR_SET_STATUS(NtDuplicateObject, NtDll);
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PF_INIT_OR_SET_STATUS(NtClose, NtDll);
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#ifdef USE_OBJECT_TYPES
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PF_INIT(RtlInitUnicodeString, NtDll);
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PF_INIT_OR_SET_STATUS(RtlInitUnicodeString, NtDll);
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#endif
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if (NT_SUCCESS(status))
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@ -382,10 +384,9 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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goto out;
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}
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pid[0] = (ULONG_PTR)NULL;
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exe_path[0] = 0;
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pid[0] = (ULONG_PTR)0;
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cur_pid = 1;
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exe[0][0] = 0;
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cur_exe = 1;
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wHandleName = utf8_to_wchar(HandleName);
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wHandleNameLen = (USHORT)wcslen(wHandleName);
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@ -400,7 +401,6 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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fileObjectTypeIndex = PhGetObjectTypeNumber(&fileTypeName);
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if (fileObjectTypeIndex < 0)
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uprintf("Warning: Could not get Object Index for file types");
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}
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#endif
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for (i = 0; ; i++) {
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@ -426,6 +426,14 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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if (pid[0] != pid[1]) {
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cur_pid = (cur_pid + 1) % 2;
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// If we're switching process and found a match, print it
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if (bFound) {
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uprintf("o '%s' (pid: %ld, access: %s)", exe_path, pid[cur_pid], access_rights_str[access_rights & 0x3]);
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bFound = FALSE;
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access_rights = 0;
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}
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// Close the previous handle
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if (processHandle != NULL) {
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if (processHandle != NtCurrentProcess())
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@ -483,7 +491,7 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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// A loop is needed because the I/O subsystem likes to give us the wrong return lengths...
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do {
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ULONG returnSize;
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// TODO: We might still need a timeout on ObjectName queries, as PH does...
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// TODO: We might potentially still need a timeout on ObjectName queries, as PH does...
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status = pfNtQueryObject(dupHandle, ObjectNameInformation, buffer, bufferSize, &returnSize);
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if (status == STATUS_BUFFER_OVERFLOW || status == STATUS_INFO_LENGTH_MISMATCH ||
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status == STATUS_BUFFER_TOO_SMALL) {
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@ -513,28 +521,25 @@ BOOL SearchProcess(char* HandleName, BOOL bPartialMatch, BOOL bIgnoreSelf)
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if (wcsncmp(wHandleName, buffer->Name.Buffer, wHandleNameLen) != 0)
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continue;
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if (!bFound) {
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uprintf("\r\nNOTE: The following process(es) are accessing %s:", HandleName);
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// If we are here, we have a process accessing our target!
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bFound = TRUE;
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}
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// TODO: only list processes with conflicting access rights (ignore "Read attributes" or "Synchronize")
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if (GetModuleFileNameExU(processHandle, 0, exe[cur_exe], MAX_PATH - 1)) {
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// Avoid printing the same path repeatedly
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if (strcmp(exe[0], exe[1]) != 0) {
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uprintf("o %s", exe[cur_exe]);
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cur_exe = (cur_exe + 1) % 2;
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}
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} else {
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uprintf("o Unknown (Process ID %d)", GetProcessId(processHandle));
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}
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// Keep a mask of all the access rights being used
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access_rights |= handleInfo->GrantedAccess;
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// If this is the very first process we find, print a header
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if (exe_path[0] == 0)
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uprintf("\r\nNOTE: The following process(es) or service(s) are accessing %s:", HandleName);
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if (!GetModuleFileNameExU(processHandle, 0, exe_path, MAX_PATH - 1))
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safe_sprintf(exe_path, MAX_PATH, "Unknown_Process_%ld", handleInfo->UniqueProcessId);
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}
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out:
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if (bFound)
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if (exe_path[0] != 0)
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uprintf("You should try to close these applications before attempting to reformat the drive.");
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else
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uprintf("NOTE: " APPLICATION_NAME " was not able to identify the process(es) preventing access to %s", HandleName);
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uprintf(APPLICATION_NAME " was unable to identify the process(es) or service(s) preventing access to %s", HandleName);
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free(wHandleName);
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PhFree(buffer);
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@ -109,18 +109,9 @@ typedef struct _OBJECT_TYPE_INFORMATION
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ULONG DefaultNonPagedPoolCharge;
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} OBJECT_TYPE_INFORMATION, *POBJECT_TYPE_INFORMATION;
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typedef enum _MY_OBJECT_INFORMATION_CLASS
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{
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_ObjectBasicInformation, // OBJECT_BASIC_INFORMATION
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ObjectNameInformation, // OBJECT_NAME_INFORMATION
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_ObjectTypeInformation, // OBJECT_TYPE_INFORMATION
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ObjectTypesInformation, // OBJECT_TYPES_INFORMATION
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ObjectHandleFlagInformation, // OBJECT_HANDLE_FLAG_INFORMATION
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ObjectSessionInformation,
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ObjectSessionObjectInformation,
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MaxObjectInfoClass
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} MY_OBJECT_INFORMATION_CLASS;
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#define ObjectNameInformation 1
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#endif
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#define ObjectTypesInformation 3
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typedef struct _OBJECT_TYPES_INFORMATION
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{
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10
src/rufus.rc
10
src/rufus.rc
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@ -33,7 +33,7 @@ LANGUAGE LANG_NEUTRAL, SUBLANG_NEUTRAL
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IDD_DIALOG DIALOGEX 12, 12, 242, 376
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STYLE DS_SETFONT | DS_MODALFRAME | DS_CENTER | WS_MINIMIZEBOX | WS_POPUP | WS_CAPTION | WS_SYSMENU
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EXSTYLE WS_EX_ACCEPTFILES
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CAPTION "Rufus 2.15.1100"
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CAPTION "Rufus 2.15.1101"
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FONT 8, "Segoe UI Symbol", 400, 0, 0x0
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BEGIN
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LTEXT "Device",IDS_DEVICE_TXT,9,6,200,8
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@ -334,8 +334,8 @@ END
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//
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VS_VERSION_INFO VERSIONINFO
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FILEVERSION 2,15,1100,0
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PRODUCTVERSION 2,15,1100,0
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FILEVERSION 2,15,1101,0
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PRODUCTVERSION 2,15,1101,0
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FILEFLAGSMASK 0x3fL
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#ifdef _DEBUG
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FILEFLAGS 0x1L
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@ -352,13 +352,13 @@ BEGIN
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BEGIN
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VALUE "CompanyName", "Akeo Consulting (http://akeo.ie)"
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VALUE "FileDescription", "Rufus"
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VALUE "FileVersion", "2.15.1100"
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VALUE "FileVersion", "2.15.1101"
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VALUE "InternalName", "Rufus"
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VALUE "LegalCopyright", "© 2011-2017 Pete Batard (GPL v3)"
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VALUE "LegalTrademarks", "http://www.gnu.org/copyleft/gpl.html"
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VALUE "OriginalFilename", "rufus.exe"
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VALUE "ProductName", "Rufus"
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VALUE "ProductVersion", "2.15.1100"
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VALUE "ProductVersion", "2.15.1101"
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END
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END
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BLOCK "VarFileInfo"
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