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wine-winehq
Commit c595083f authored by Juergen Schmied's avatar Juergen Schmied Committed by Alexandre Julliard
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More parameter checking in RltCopySid.

parent 4a84dc23
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misc/ntdll.c
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...@@ -254,7 +254,8 @@ LPBYTE WINAPI RtlSubAuthorityCountSid(LPSID lpsid) ...@@ -254,7 +254,8 @@ LPBYTE WINAPI RtlSubAuthorityCountSid(LPSID lpsid)
* RtlCopySid [NTDLL.302] * RtlCopySid [NTDLL.302]
*/ */
DWORD WINAPI RtlCopySid(DWORD len,LPSID to,LPSID from) DWORD WINAPI RtlCopySid(DWORD len,LPSID to,LPSID from)
{ { if (!from)
return 0;
if (len<(from->SubAuthorityCount*4+8)) if (len<(from->SubAuthorityCount*4+8))
return STATUS_BUFFER_TOO_SMALL; return STATUS_BUFFER_TOO_SMALL;
memmove(to,from,from->SubAuthorityCount*4+8); memmove(to,from,from->SubAuthorityCount*4+8);
......
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