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added: now we have a fourth part in permissions (guests)

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e.g.: 07555 means:
           7 for owner
           5 for group
           5 for others
           5 for guests (not logged users)
added:     the sticky bit for directories
           e.g. permissions to a directory with a sticky bit set
           can be set to: 017555
rewritten: rm/mv winix functions to correctly understand the sticky bit
added:     Dir::FollowLink() recognizes ".." and "." now
           consequently System::FollowAllLinks recognizes it too
added:     umask -- calculating privileges for new files/directories
           all users have their own umask (in meta)
           and there is one in the config
           (for guests and when a user has not definied its own one)
removed:   mount option: only_root_remove



git-svn-id: svn://ttmath.org/publicrep/winix/trunk@801 e52654a7-88a9-db11-a3e9-0013d4bc506e
This commit is contained in:
Tomasz Sowa
2012-01-24 23:03:36 +00:00
parent 5aaab89cd8
commit 6e2d00bc5b
34 changed files with 1109 additions and 557 deletions
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18
core/system.h
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@@ -2,7 +2,7 @@
* This file is a part of Winix
* and is not publicly distributed
*
* Copyright (c) 2010-2011, Tomasz Sowa
* Copyright (c) 2010-2012, Tomasz Sowa
* All rights reserved.
*
*/
@@ -88,7 +88,8 @@ public:
bool CanChangeUser(const Item & item, long new_user_id);
bool CanChangeGroup(const Item & item, long new_group_id);
bool CanChangePrivileges(const Item & item, int new_priv);
bool HasAccess(const Item & item, int mask);
bool HasReadAccess(const Item & item);
bool HasWriteAccess(const Item & item);
bool HasReadWriteAccess(const Item & item);
@@ -99,6 +100,16 @@ public:
void CheckAccessToItems(std::vector<Item> & item_tab);
void CheckWriteAccessToItems(std::vector<Item> & item_tab);
/*
this method checks the sticky bit and write permissions
it returns true if we can remove/rename an item for the given child_item_user_id user id
*/
bool CanRemoveRenameChild(const Item & dir, long child_item_user_id);
int NewFilePrivileges();
int NewDirPrivileges();
bool CanUseHtml(long user_id);
bool CanUseBBCode(long user_id);
bool CanUseRaw(long user_id);
@@ -156,6 +167,9 @@ private:
std::vector<Item*> root_follow_dir_tab;
Item temp_follow_item;
bool HasAccess(const Item & item, int mask);
int NewPrivileges(int creation_mask);
bool CreateNewFileSimpleFs(Item & item);
bool CreateNewFileHashFs(Item & item);