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// PropIDUtils.cpp
#include "StdAfx.h"
#include "../../../../C/CpuArch.h"
#include "../../../Common/IntToString.h"
#include "../../../Common/StringConvert.h"
#include "../../../Windows/FileIO.h"
#include "../../../Windows/PropVariantConv.h"
#include "../../PropID.h"
#include "PropIDUtils.h"
#define Get16(x) GetUi16(x)
#define Get32(x) GetUi32(x)
using namespace NWindows;
static const unsigned kNumWinAtrribFlags = 21;
static const char g_WinAttribChars[kNumWinAtrribFlags + 1] = "RHS8DAdNTsLCOIEV.X.PU";
/*
FILE_ATTRIBUTE_
0 READONLY
1 HIDDEN
2 SYSTEM
3 (Volume label - obsolete)
4 DIRECTORY
5 ARCHIVE
6 DEVICE
7 NORMAL
8 TEMPORARY
9 SPARSE_FILE
10 REPARSE_POINT
11 COMPRESSED
12 OFFLINE
13 NOT_CONTENT_INDEXED (I - Win10 attrib/Explorer)
14 ENCRYPTED
15 INTEGRITY_STREAM (V - ReFS Win8/Win2012)
16 VIRTUAL (reserved)
17 NO_SCRUB_DATA (X - ReFS Win8/Win2012 attrib)
18 RECALL_ON_OPEN or EA
19 PINNED
20 UNPINNED
21 STRICTLY_SEQUENTIAL
22 RECALL_ON_DATA_ACCESS
*/
static const char kPosixTypes[16] = { '0', 'p', 'c', '3', 'd', '5', 'b', '7', '-', '9', 'l', 'B', 's', 'D', 'E', 'F' };
#define MY_ATTR_CHAR(a, n, c) ((a) & (1 << (n))) ? c : '-';
static void ConvertPosixAttribToString(char *s, UInt32 a) throw()
{
s[0] = kPosixTypes[(a >> 12) & 0xF];
for (int i = 6; i >= 0; i -= 3)
{
s[7 - i] = MY_ATTR_CHAR(a, i + 2, 'r');
s[8 - i] = MY_ATTR_CHAR(a, i + 1, 'w');
s[9 - i] = MY_ATTR_CHAR(a, i + 0, 'x');
}
if ((a & 0x800) != 0) s[3] = ((a & (1 << 6)) ? 's' : 'S');
if ((a & 0x400) != 0) s[6] = ((a & (1 << 3)) ? 's' : 'S');
if ((a & 0x200) != 0) s[9] = ((a & (1 << 0)) ? 't' : 'T');
s[10] = 0;
a &= ~(UInt32)0xFFFF;
if (a != 0)
{
s[10] = ' ';
ConvertUInt32ToHex8Digits(a, s + 11);
}
}
void ConvertWinAttribToString(char *s, UInt32 wa) throw()
{
/*
some programs store posix attributes in high 16 bits.
p7zip - stores additional 0x8000 flag marker.
macos - stores additional 0x4000 flag marker.
info-zip - no additional marker.
*/
bool isPosix = ((wa & 0xF0000000) != 0);
UInt32 posix = 0;
if (isPosix)
{
posix = wa >> 16;
wa &= (UInt32)0x3FFF;
}
for (unsigned i = 0; i < kNumWinAtrribFlags; i++)
{
UInt32 flag = (1 << i);
if ((wa & flag) != 0)
{
char c = g_WinAttribChars[i];
if (c != '.')
{
wa &= ~flag;
// if (i != 7) // we can disable N (NORMAL) printing
*s++ = c;
}
}
}
if (wa != 0)
{
*s++ = ' ';
ConvertUInt32ToHex8Digits(wa, s);
s += strlen(s);
}
*s = 0;
if (isPosix)
{
*s++ = ' ';
ConvertPosixAttribToString(s, posix);
}
}
void ConvertPropertyToShortString2(char *dest, const PROPVARIANT &prop, PROPID propID, int level) throw()
{
*dest = 0;
if (prop.vt == VT_FILETIME)
{
const FILETIME &ft = prop.filetime;
if ((ft.dwHighDateTime == 0 &&
ft.dwLowDateTime == 0))
return;
ConvertUtcFileTimeToString(prop.filetime, dest, level);
return;
}
switch (propID)
{
case kpidCRC:
{
if (prop.vt != VT_UI4)
break;
ConvertUInt32ToHex8Digits(prop.ulVal, dest);
return;
}
case kpidAttrib:
{
if (prop.vt != VT_UI4)
break;
UInt32 a = prop.ulVal;
/*
if ((a & 0x8000) && (a & 0x7FFF) == 0)
ConvertPosixAttribToString(dest, a >> 16);
else
*/
ConvertWinAttribToString(dest, a);
return;
}
case kpidPosixAttrib:
{
if (prop.vt != VT_UI4)
break;
ConvertPosixAttribToString(dest, prop.ulVal);
return;
}
case kpidINode:
{
if (prop.vt != VT_UI8)
break;
ConvertUInt32ToString((UInt32)(prop.uhVal.QuadPart >> 48), dest);
dest += strlen(dest);
*dest++ = '-';
UInt64 low = prop.uhVal.QuadPart & (((UInt64)1 << 48) - 1);
ConvertUInt64ToString(low, dest);
return;
}
case kpidVa:
{
UInt64 v = 0;
if (prop.vt == VT_UI4)
v = prop.ulVal;
else if (prop.vt == VT_UI8)
v = (UInt64)prop.uhVal.QuadPart;
else
break;
dest[0] = '0';
dest[1] = 'x';
ConvertUInt64ToHex(v, dest + 2);
return;
}
}
ConvertPropVariantToShortString(prop, dest);
}
void ConvertPropertyToString2(UString &dest, const PROPVARIANT &prop, PROPID propID, int level)
{
if (prop.vt == VT_BSTR)
{
dest.SetFromBstr(prop.bstrVal);
return;
}
char temp[64];
ConvertPropertyToShortString2(temp, prop, propID, level);
dest = temp;
}
static inline unsigned GetHex(unsigned v)
{
return (v < 10) ? ('0' + v) : ('A' + (v - 10));
}
#ifndef _SFX
static inline void AddHexToString(AString &res, unsigned v)
{
res += (char)GetHex(v >> 4);
res += (char)GetHex(v & 0xF);
}
/*
static AString Data_To_Hex(const Byte *data, size_t size)
{
AString s;
for (size_t i = 0; i < size; i++)
AddHexToString(s, data[i]);
return s;
}
*/
static const char * const sidNames[] =
{
"0"
, "Dialup"
, "Network"
, "Batch"
, "Interactive"
, "Logon" // S-1-5-5-X-Y
, "Service"
, "Anonymous"
, "Proxy"
, "EnterpriseDC"
, "Self"
, "AuthenticatedUsers"
, "RestrictedCode"
, "TerminalServer"
, "RemoteInteractiveLogon"
, "ThisOrganization"
, "16"
, "IUserIIS"
, "LocalSystem"
, "LocalService"
, "NetworkService"
, "Domains"
};
struct CSecID2Name
{
UInt32 n;
const char *sz;
};
static int FindPairIndex(const CSecID2Name * pairs, unsigned num, UInt32 id)
{
for (unsigned i = 0; i < num; i++)
if (pairs[i].n == id)
return i;
return -1;
}
static const CSecID2Name sid_32_Names[] =
{
{ 544, "Administrators" },
{ 545, "Users" },
{ 546, "Guests" },
{ 547, "PowerUsers" },
{ 548, "AccountOperators" },
{ 549, "ServerOperators" },
{ 550, "PrintOperators" },
{ 551, "BackupOperators" },
{ 552, "Replicators" },
{ 553, "Backup Operators" },
{ 554, "PreWindows2000CompatibleAccess" },
{ 555, "RemoteDesktopUsers" },
{ 556, "NetworkConfigurationOperators" },
{ 557, "IncomingForestTrustBuilders" },
{ 558, "PerformanceMonitorUsers" },
{ 559, "PerformanceLogUsers" },
{ 560, "WindowsAuthorizationAccessGroup" },
{ 561, "TerminalServerLicenseServers" },
{ 562, "DistributedCOMUsers" },
{ 569, "CryptographicOperators" },
{ 573, "EventLogReaders" },
{ 574, "CertificateServiceDCOMAccess" }
};
static const CSecID2Name sid_21_Names[] =
{
{ 500, "Administrator" },
{ 501, "Guest" },
{ 502, "KRBTGT" },
{ 512, "DomainAdmins" },
{ 513, "DomainUsers" },
{ 515, "DomainComputers" },
{ 516, "DomainControllers" },
{ 517, "CertPublishers" },
{ 518, "SchemaAdmins" },
{ 519, "EnterpriseAdmins" },
{ 520, "GroupPolicyCreatorOwners" },
{ 553, "RASandIASServers" },
{ 553, "RASandIASServers" },
{ 571, "AllowedRODCPasswordReplicationGroup" },
{ 572, "DeniedRODCPasswordReplicationGroup" }
};
struct CServicesToName
{
UInt32 n[5];
const char *sz;
};
static const CServicesToName services_to_name[] =
{
{ { 0x38FB89B5, 0xCBC28419, 0x6D236C5C, 0x6E770057, 0x876402C0 } , "TrustedInstaller" }
};
static void ParseSid(AString &s, const Byte *p, UInt32 lim, UInt32 &sidSize)
{
sidSize = 0;
if (lim < 8)
{
s += "ERROR";
return;
}
UInt32 rev = p[0];
if (rev != 1)
{
s += "UNSUPPORTED";
return;
}
UInt32 num = p[1];
if (8 + num * 4 > lim)
{
s += "ERROR";
return;
}
sidSize = 8 + num * 4;
UInt32 authority = GetBe32(p + 4);
if (p[2] == 0 && p[3] == 0 && authority == 5 && num >= 1)
{
UInt32 v0 = Get32(p + 8);
if (v0 < ARRAY_SIZE(sidNames))
{
s += sidNames[v0];
return;
}
if (v0 == 32 && num == 2)
{
UInt32 v1 = Get32(p + 12);
int index = FindPairIndex(sid_32_Names, ARRAY_SIZE(sid_32_Names), v1);
if (index >= 0)
{
s += sid_32_Names[(unsigned)index].sz;
return;
}
}
if (v0 == 21 && num == 5)
{
UInt32 v4 = Get32(p + 8 + 4 * 4);
int index = FindPairIndex(sid_21_Names, ARRAY_SIZE(sid_21_Names), v4);
if (index >= 0)
{
s += sid_21_Names[(unsigned)index].sz;
return;
}
}
if (v0 == 80 && num == 6)
{
for (unsigned i = 0; i < ARRAY_SIZE(services_to_name); i++)
{
const CServicesToName &sn = services_to_name[i];
int j;
for (j = 0; j < 5 && sn.n[j] == Get32(p + 8 + 4 + j * 4); j++);
if (j == 5)
{
s += sn.sz;
return;
}
}
}
}
s += "S-1-";
if (p[2] == 0 && p[3] == 0)
s.Add_UInt32(authority);
else
{
s += "0x";
for (int i = 2; i < 8; i++)
AddHexToString(s, p[i]);
}
for (UInt32 i = 0; i < num; i++)
{
s += '-';
s.Add_UInt32(Get32(p + 8 + i * 4));
}
}
static void ParseOwner(AString &s, const Byte *p, UInt32 size, UInt32 pos)
{
if (pos > size)
{
s += "ERROR";
return;
}
UInt32 sidSize = 0;
ParseSid(s, p + pos, size - pos, sidSize);
}
static void ParseAcl(AString &s, const Byte *p, UInt32 size, const char *strName, UInt32 flags, UInt32 offset)
{
UInt32 control = Get16(p + 2);
if ((flags & control) == 0)
return;
UInt32 pos = Get32(p + offset);
s.Add_Space();
s += strName;
if (pos >= size)
return;
p += pos;
size -= pos;
if (size < 8)
return;
if (Get16(p) != 2) // revision
return;
UInt32 num = Get32(p + 4);
s.Add_UInt32(num);
/*
UInt32 aclSize = Get16(p + 2);
if (num >= (1 << 16))
return;
if (aclSize > size)
return;
size = aclSize;
size -= 8;
p += 8;
for (UInt32 i = 0 ; i < num; i++)
{
if (size <= 8)
return;
// Byte type = p[0];
// Byte flags = p[1];
// UInt32 aceSize = Get16(p + 2);
// UInt32 mask = Get32(p + 4);
p += 8;
size -= 8;
UInt32 sidSize = 0;
s.Add_Space();
ParseSid(s, p, size, sidSize);
if (sidSize == 0)
return;
p += sidSize;
size -= sidSize;
}
// the tail can contain zeros. So (size != 0) is not ERROR
// if (size != 0) s += " ERROR";
*/
}
#define MY_SE_OWNER_DEFAULTED (0x0001)
#define MY_SE_GROUP_DEFAULTED (0x0002)
#define MY_SE_DACL_PRESENT (0x0004)
#define MY_SE_DACL_DEFAULTED (0x0008)
#define MY_SE_SACL_PRESENT (0x0010)
#define MY_SE_SACL_DEFAULTED (0x0020)
#define MY_SE_DACL_AUTO_INHERIT_REQ (0x0100)
#define MY_SE_SACL_AUTO_INHERIT_REQ (0x0200)
#define MY_SE_DACL_AUTO_INHERITED (0x0400)
#define MY_SE_SACL_AUTO_INHERITED (0x0800)
#define MY_SE_DACL_PROTECTED (0x1000)
#define MY_SE_SACL_PROTECTED (0x2000)
#define MY_SE_RM_CONTROL_VALID (0x4000)
#define MY_SE_SELF_RELATIVE (0x8000)
void ConvertNtSecureToString(const Byte *data, UInt32 size, AString &s)
{
s.Empty();
if (size < 20 || size > (1 << 18))
{
s += "ERROR";
return;
}
if (Get16(data) != 1) // revision
{
s += "UNSUPPORTED";
return;
}
ParseOwner(s, data, size, Get32(data + 4));
s.Add_Space();
ParseOwner(s, data, size, Get32(data + 8));
ParseAcl(s, data, size, "s:", MY_SE_SACL_PRESENT, 12);
ParseAcl(s, data, size, "d:", MY_SE_DACL_PRESENT, 16);
s.Add_Space();
s.Add_UInt32(size);
// s += '\n';
// s += Data_To_Hex(data, size);
}
#ifdef _WIN32
static bool CheckSid(const Byte *data, UInt32 size, UInt32 pos) throw()
{
if (pos >= size)
return false;
size -= pos;
if (size < 8)
return false;
UInt32 rev = data[pos];
if (rev != 1)
return false;
UInt32 num = data[pos + 1];
return (8 + num * 4 <= size);
}
static bool CheckAcl(const Byte *p, UInt32 size, UInt32 flags, UInt32 offset) throw()
{
UInt32 control = Get16(p + 2);
if ((flags & control) == 0)
return true;
UInt32 pos = Get32(p + offset);
if (pos >= size)
return false;
p += pos;
size -= pos;
if (size < 8)
return false;
UInt32 aclSize = Get16(p + 2);
return (aclSize <= size);
}
bool CheckNtSecure(const Byte *data, UInt32 size) throw()
{
if (size < 20)
return false;
if (Get16(data) != 1) // revision
return true; // windows function can handle such error, so we allow it
if (size > (1 << 18))
return false;
if (!CheckSid(data, size, Get32(data + 4))) return false;
if (!CheckSid(data, size, Get32(data + 8))) return false;
if (!CheckAcl(data, size, MY_SE_SACL_PRESENT, 12)) return false;
if (!CheckAcl(data, size, MY_SE_DACL_PRESENT, 16)) return false;
return true;
}
#endif
// IO_REPARSE_TAG_*
static const CSecID2Name k_ReparseTags[] =
{
{ 0xA0000003, "MOUNT_POINT" },
{ 0xC0000004, "HSM" },
{ 0x80000005, "DRIVE_EXTENDER" },
{ 0x80000006, "HSM2" },
{ 0x80000007, "SIS" },
{ 0x80000008, "WIM" },
{ 0x80000009, "CSV" },
{ 0x8000000A, "DFS" },
{ 0x8000000B, "FILTER_MANAGER" },
{ 0xA000000C, "SYMLINK" },
{ 0xA0000010, "IIS_CACHE" },
{ 0x80000012, "DFSR" },
{ 0x80000013, "DEDUP" },
{ 0xC0000014, "APPXSTRM" },
{ 0x80000014, "NFS" },
{ 0x80000015, "FILE_PLACEHOLDER" },
{ 0x80000016, "DFM" },
{ 0x80000017, "WOF" }
};
bool ConvertNtReparseToString(const Byte *data, UInt32 size, UString &s)
{
s.Empty();
NFile::CReparseAttr attr;
DWORD errorCode = 0;
if (attr.Parse(data, size, errorCode))
{
if (!attr.IsSymLink())
s += "Junction: ";
s += attr.GetPath();
if (!attr.IsOkNamePair())
{
s += " : ";
s += attr.PrintName;
}
return true;
}
if (size < 8)
return false;
UInt32 tag = Get32(data);
UInt32 len = Get16(data + 4);
if (len + 8 > size)
return false;
if (Get16(data + 6) != 0) // padding
return false;
/*
#define _my_IO_REPARSE_TAG_DEDUP (0x80000013L)
if (tag == _my_IO_REPARSE_TAG_DEDUP)
{
}
*/
{
int index = FindPairIndex(k_ReparseTags, ARRAY_SIZE(k_ReparseTags), tag);
if (index >= 0)
s += k_ReparseTags[(unsigned)index].sz;
else
{
s += "REPARSE:";
char hex[16];
ConvertUInt32ToHex8Digits(tag, hex);
s += hex;
}
}
s += ":";
s.Add_UInt32(len);
if (len != 0)
{
s.Add_Space();
data += 8;
for (UInt32 i = 0; i < len; i++)
{
if (i >= 8)
{
s += "...";
break;
}
unsigned b = data[i];
s += (char)GetHex((b >> 4) & 0xF);
s += (char)GetHex(b & 0xF);
}
}
return true;
}
#endif