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Add some basic setgroups(), getgroups() and initgroups().

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Also teach /bin/id to print the user's supplemental groups.
This commit is contained in:
Andreas Kling 2018-11-07 01:38:51 +01:00
parent d3bd3791cb
commit a7f1d892a9
12 changed files with 167 additions and 19 deletions
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5
VirtualFileSystem/InodeMetadata.h
View file

@ -2,6 +2,7 @@
#include "InodeIdentifier.h"
#include "UnixTypes.h"
#include <AK/HashTable.h>
inline bool isDirectory(Unix::mode_t mode) { return (mode & 0170000) == 0040000; }
inline bool isCharacterDevice(Unix::mode_t mode) { return (mode & 0170000) == 0020000; }
@ -17,11 +18,11 @@ inline bool isSetGID(Unix::mode_t mode) { return mode & 02000; }
struct InodeMetadata {
bool isValid() const { return inode.isValid(); }
bool mayExecute(uid_t u, gid_t g) const
bool mayExecute(uid_t u, const HashTable<gid_t>& g) const
{
if (uid == u)
return mode & 0100;
if (gid == g)
if (g.contains(gid))
return mode & 0010;
return mode & 0001;
}