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Fixed ownership of files created by root with no user mapping 

Ownership of files should always represent the creator of files.
This fixes a situation, currently disabled, where there is no user
mapping and the owner of the parent directory is used as the owner
of the created file.
edge.strict_endians
Jean-Pierre André 2014-06-23 11:11:07 +02:00
parent ae4a797473
commit 973949964c
1 changed files with 17 additions and 8 deletions
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25
libntfs-3g/security.c
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@ -3822,21 +3822,30 @@ static le32 build_inherited_id(struct SECURITY_CONTEXT *scx,
#endif
} else {
/*
* If there is no user mapping, we have to copy owner
* and group from parent directory.
* If there is no user mapping and this is not a root
* user, we have to get owner and group from somewhere,
* and the parent directory has to contribute.
* Windows never has to do that, because it can always
* rely on a user mapping
*/
if (!scx->uid)
usid = adminsid;
else {
#if OWNERFROMACL
usid = ntfs_acl_owner(parentattr);
usid = ntfs_acl_owner(parentattr);
#else
int offowner;
int offowner;
offowner = le32_to_cpu(pphead->owner);
usid = (const SID*)&parentattr[offowner];
offowner = le32_to_cpu(pphead->owner);
usid = (const SID*)&parentattr[offowner];
#endif
offgroup = le32_to_cpu(pphead->group);
gsid = (const SID*)&parentattr[offgroup];
}
if (!scx->gid)
gsid = adminsid;
else {
offgroup = le32_to_cpu(pphead->group);
gsid = (const SID*)&parentattr[offgroup];
}
}
/*
* new attribute is smaller than parent's