diff options
Diffstat (limited to 'winsup/cygwin/security.h')
| -rw-r--r-- | winsup/cygwin/security.h | 8 |
1 files changed, 5 insertions, 3 deletions
diff --git a/winsup/cygwin/security.h b/winsup/cygwin/security.h index 7af737fd7..9b1edbc84 100644 --- a/winsup/cygwin/security.h +++ b/winsup/cygwin/security.h @@ -44,8 +44,10 @@ void uinfo_init (); #define gid16togid32(g16) ((g16)==ILLEGAL_GID16?ILLEGAL_GID:(gid_t)(g16)) #endif - -#define MAX_SID_LEN 40 +#define MAX_SUBAUTH_CNT 11 +#define MAX_SID_LEN (2 * sizeof (BYTE) \ + + sizeof (SID_IDENTIFIER_AUTHORITY) \ + + MAX_SUBAUTH_CNT * sizeof (DWORD)) #define MAX_DACL_LEN(n) (sizeof (ACL) \ + (n) * (sizeof (ACCESS_ALLOWED_ACE) - sizeof (DWORD) + MAX_SID_LEN)) #define SD_MIN_SIZE (sizeof (SECURITY_DESCRIPTOR) + MAX_DACL_LEN (1)) @@ -99,7 +101,7 @@ typedef struct { BYTE Revision; BYTE SubAuthorityCount; SID_IDENTIFIER_AUTHORITY IdentifierAuthority; - DWORD SubAuthority[8]; + DWORD SubAuthority[MAX_SUBAUTH_CNT]; } DBGSID, *PDBGSID; /* Macro to define variable length SID structures */ |