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Imported Upstream version 6.12.0.86

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Former-commit-id: 7a84ce7d08c42c458ac8e74b27186ca863315d79
This commit is contained in:
Xamarin Public Jenkins (auto-signing)
2020-07-10 08:44:59 +00:00
parent 92747312ea
commit 0b380204a4
812 changed files with 26901 additions and 9053 deletions
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97
mcs/class/corlib/System.Security.Principal/SecurityIdentifier.cs
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@ -16,10 +16,10 @@
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
@ -48,7 +48,7 @@ namespace System.Security.Principal
{
if (sddlForm == null)
throw new ArgumentNullException ("sddlForm");
buffer = ParseSddlForm (sddlForm);
}
@ -58,42 +58,42 @@ namespace System.Security.Principal
throw new ArgumentNullException ("binaryForm");
if ((offset < 0) || (offset > binaryForm.Length - 2))
throw new ArgumentException ("offset");
fixed (byte* binaryFormPtr = binaryForm)
CreateFromBinaryForm ((IntPtr)(binaryFormPtr + offset), binaryForm.Length - offset);
}
public SecurityIdentifier (IntPtr binaryForm)
{
{
CreateFromBinaryForm (binaryForm, int.MaxValue);
}
void CreateFromBinaryForm (IntPtr binaryForm, int length)
{
{
int revision = Marshal.ReadByte (binaryForm, 0);
int numSubAuthorities = Marshal.ReadByte (binaryForm, 1);
if (revision != 1 || numSubAuthorities > 15)
throw new ArgumentException ("Value was invalid.");
if (length < (8 + (numSubAuthorities * 4)))
throw new ArgumentException ("offset");
buffer = new byte[8 + (numSubAuthorities * 4)];
Marshal.Copy (binaryForm, buffer, 0, buffer.Length);
}
public SecurityIdentifier (WellKnownSidType sidType,
SecurityIdentifier domainSid)
{
WellKnownAccount acct = WellKnownAccount.LookupByType (sidType);
if (acct == null)
throw new ArgumentException ("Unable to convert SID type: " + sidType);
if (acct.IsAbsolute) {
buffer = ParseSddlForm (acct.Sid);
} else {
if (domainSid == null)
throw new ArgumentNullException ("domainSid");
buffer = ParseSddlForm (domainSid.Value + "-" + acct.Rid);
}
}
@ -101,11 +101,11 @@ namespace System.Security.Principal
public SecurityIdentifier AccountDomainSid {
get {
string strForm = this.Value;
// Check prefix, and ensure at least 4 sub authorities
if (!strForm.StartsWith ("S-1-5-21") || buffer[1] < 4)
return null;
// Domain is first four sub-authorities
byte[] temp = new byte[8 + (4 * 4)];
Array.Copy (buffer, 0, temp, 0, temp.Length);
@ -121,15 +121,15 @@ namespace System.Security.Principal
public override string Value {
get {
StringBuilder s = new StringBuilder ();
ulong authority = GetSidAuthority ();
s.AppendFormat (CultureInfo.InvariantCulture, "S-1-{0}", authority);
for (byte i = 0; i < GetSidSubAuthorityCount (); ++i)
s.AppendFormat (
CultureInfo.InvariantCulture,
"-{0}", GetSidSubAuthority (i));
return s.ToString ();
}
}
@ -140,23 +140,23 @@ namespace System.Security.Principal
| (((ulong)buffer [4]) << 24) | (((ulong)buffer [5]) << 16)
| (((ulong)buffer [6]) << 8) | (((ulong)buffer [7]) << 0);
}
byte GetSidSubAuthorityCount ()
{
return buffer [1];
}
uint GetSidSubAuthority (byte index)
{
// Note sub authorities little-endian, authority (above) is big-endian!
int offset = 8 + (index * 4);
return (((uint)buffer [offset + 0]) << 0)
| (((uint)buffer [offset + 1]) << 8)
| (((uint)buffer [offset + 2]) << 16)
| (((uint)buffer [offset + 3]) << 24);
}
// The CompareTo ordering was determined by unit test applied to MS.NET implementation,
// necessary because the CompareTo has no details in its documentation.
// (See MonoTests.System.Security.AccessControl.DiscretionaryAclTest.)
@ -165,7 +165,7 @@ namespace System.Security.Principal
{
if (sid == null)
throw new ArgumentNullException ("sid");
int result;
if (0 != (result = GetSidAuthority ().CompareTo (sid.GetSidAuthority ()))) return result;
if (0 != (result = GetSidSubAuthorityCount ().CompareTo (sid.GetSidSubAuthorityCount ()))) return result;
@ -192,7 +192,7 @@ namespace System.Security.Principal
throw new ArgumentNullException ("binaryForm");
if ((offset < 0) || (offset > binaryForm.Length - buffer.Length))
throw new ArgumentException ("offset");
Array.Copy (buffer, 0, binaryForm, offset, buffer.Length);
}
@ -211,7 +211,7 @@ namespace System.Security.Principal
SecurityIdentifier domSid = AccountDomainSid;
if (domSid == null)
return false;
return domSid.Equals (sid.AccountDomainSid);
}
@ -229,12 +229,12 @@ namespace System.Security.Principal
WellKnownAccount acct = WellKnownAccount.LookupByType (type);
if (acct == null)
return false;
string sid = Value;
if (acct.IsAbsolute)
return sid == acct.Sid;
return sid.StartsWith ("S-1-5-21", StringComparison.OrdinalIgnoreCase)
&& sid.EndsWith ("-" + acct.Rid, StringComparison.OrdinalIgnoreCase);
}
@ -248,15 +248,15 @@ namespace System.Security.Principal
{
if (targetType == typeof(SecurityIdentifier))
return this;
if (targetType == typeof(NTAccount)) {
WellKnownAccount acct = WellKnownAccount.LookupBySid (this.Value);
if (acct == null || acct.Name == null)
throw new IdentityNotMappedException ("Unable to map SID: " + this.Value);
return new NTAccount (acct.Name);
}
throw new ArgumentException ("Unknown type.", "targetType");
}
@ -281,11 +281,11 @@ namespace System.Security.Principal
internal string GetSddlForm()
{
string sidString = Value;
WellKnownAccount acct = WellKnownAccount.LookupBySid(sidString);
if(acct == null || acct.SddlForm == null)
return sidString;
return acct.SddlForm;
}
@ -293,30 +293,34 @@ namespace System.Security.Principal
{
if (sddlForm.Length - pos < 2)
throw new ArgumentException("Invalid SDDL string.", "sddlForm");
string sid;
int len;
string prefix = sddlForm.Substring(pos, 2).ToUpperInvariant();
if (prefix == "S-")
{
// Looks like a SID, try to parse it.
int endPos = pos;
char ch = Char.ToUpperInvariant(sddlForm[endPos]);
while (ch == 'S' || ch == '-' || ch == 'X'
|| (ch >= '0' && ch <= '9') || (ch >= 'A' && ch <= 'F')) {
++endPos;
ch = Char.ToUpperInvariant(sddlForm[endPos]);
}
if (ch == ':' && sddlForm[endPos - 1] == 'D') {
endPos--;
}
sid = sddlForm.Substring(pos, endPos - pos);
len = endPos - pos;
} else {
sid = prefix;
len = 2;
}
SecurityIdentifier ret = new SecurityIdentifier(sid);
pos += len;
return ret;
@ -325,7 +329,7 @@ namespace System.Security.Principal
private static byte[] ParseSddlForm (string sddlForm)
{
string sid = sddlForm;
// If only 2 characters long, can't be a full SID string - so assume
// it's an attempted alias. Do that conversion first.
if(sddlForm.Length == 2) {
@ -341,20 +345,20 @@ namespace System.Security.Principal
sid = acct.Sid;
}
string[] elements = sid.ToUpperInvariant ().Split ('-');
int numSubAuthorities = elements.Length - 3;
if (elements.Length < 3 || elements[0] != "S" || numSubAuthorities > 15)
throw new ArgumentException ("Value was invalid.");
if (elements[1] != "1")
throw new ArgumentException ("Only SIDs with revision 1 are supported");
byte[] buffer = new byte[8 + (numSubAuthorities * 4)];
buffer[0] = 1;
buffer[1] = (byte)numSubAuthorities;
ulong authority;
if (!TryParseAuthority (elements[2], out authority))
throw new ArgumentException ("Value was invalid.");
@ -364,14 +368,14 @@ namespace System.Security.Principal
buffer[5] = (byte)((authority >> 16) & 0xFF);
buffer[6] = (byte)((authority >> 8) & 0xFF);
buffer[7] = (byte)((authority >> 0) & 0xFF);
for (int i = 0; i < numSubAuthorities; ++i) {
uint subAuthority;
if (!TryParseSubAuthority (elements[i + 3],
out subAuthority))
throw new ArgumentException ("Value was invalid.");
// Note sub authorities little-endian!
int offset = 8 + (i * 4);
buffer[offset + 0] = (byte)(subAuthority >> 0);
@ -379,7 +383,7 @@ namespace System.Security.Principal
buffer[offset + 2] = (byte)(subAuthority >> 16);
buffer[offset + 3] = (byte)(subAuthority >> 24);
}
return buffer;
}
@ -412,4 +416,3 @@ namespace System.Security.Principal
}
}
}