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Recognized local users group as meaning world

N2009_11_14_FIXES
jpandre 2007-10-24 07:18:44 +00:00
parent b31b4cb124
commit 9551e7eee6
1 changed files with 21 additions and 13 deletions
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34
libntfs-3g/security.c
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@ -504,10 +504,8 @@ le32 ntfs_security_hash(const SECURITY_DESCRIPTOR_RELATIVE *sd, const u32 len)
const le32 *end = pos + (len >> 2);
u32 hash = 0;
while (pos < end) {
hash = le32_to_cpup(pos) + ntfs_rol32(hash, 3);
pos++;
}
while (pos < end)
hash = le32_to_cpup(pos++) + ntfs_rol32(hash, 3);
return cpu_to_le32(hash);
}
@ -2578,15 +2576,25 @@ static char *getsecurityattr(ntfs_volume *vol,
/*
* Test whether a SID means "world user"
* Local users group also recognized as world
*/
static int is_world_sid(const SID * usid)
{
/* check whether S-1-1-0 */
return ((usid->sub_authority_count == 1)
&& (usid->identifier_authority.high_part == cpu_to_be32(0))
&& (usid->identifier_authority.low_part == cpu_to_be32(1))
&& (usid->sub_authority[0] == 0));
return (
/* check whether S-1-1-0 : world */
((usid->sub_authority_count == 1)
&& (usid->identifier_authority.high_part == cpu_to_be32(0))
&& (usid->identifier_authority.low_part == cpu_to_be32(1))
&& (usid->sub_authority[0] == 0))
/* check whether S-1-5-32-545 : local user */
|| ((usid->sub_authority_count == 2)
&& (usid->identifier_authority.high_part == cpu_to_be32(0))
&& (usid->identifier_authority.low_part == cpu_to_be32(5))
&& (usid->sub_authority[0] == 32)
&& (usid->sub_authority[0] == 545))
);
}
/*
@ -2597,10 +2605,10 @@ static int is_world_sid(const SID * usid)
static int is_user_sid(const SID * usid)
{
return ((usid->sub_authority_count == 5)
&& (usid->identifier_authority.high_part == cpu_to_be32(0))
&& (usid->identifier_authority.low_part == cpu_to_be32(5))
&& (usid->sub_authority[0] == cpu_to_le32(21)));
return ((usid->sub_authority_count == 5)
&& (usid->identifier_authority.high_part == cpu_to_be32(0))
&& (usid->identifier_authority.low_part == cpu_to_be32(5))
&& (usid->sub_authority[0] == cpu_to_le32(21)));
}
/*