RGBCube/serenity
1
Fork 0
mirror of https://github.com/RGBCube/serenity synced 2025-07-26 19:27:45 +00:00
Code Issues Activity Actions

Kernel: Allow uid 0 to read/write/execute any file.

Browse source
This commit is contained in:
Andreas Kling 2019-02-27 17:08:13 +01:00
parent d7d6deaa5c
commit 7c18b86781
1 changed files with 6 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

6
Kernel/InodeMetadata.h
View file

@ -26,6 +26,8 @@ struct InodeMetadata {
bool may_read(uid_t u, const HashTable<gid_t>& g) const bool may_read(uid_t u, const HashTable<gid_t>& g) const
{ {
if (u == 0)
return true;
if (uid == u) if (uid == u)
return mode & 0400; return mode & 0400;
if (g.contains(gid)) if (g.contains(gid))
@ -35,6 +37,8 @@ struct InodeMetadata {
bool may_write(uid_t u, const HashTable<gid_t>& g) const bool may_write(uid_t u, const HashTable<gid_t>& g) const
{ {
if (u == 0)
return true;
if (uid == u) if (uid == u)
return mode & 0200; return mode & 0200;
if (g.contains(gid)) if (g.contains(gid))
@ -44,6 +48,8 @@ struct InodeMetadata {
bool may_execute(uid_t u, const HashTable<gid_t>& g) const bool may_execute(uid_t u, const HashTable<gid_t>& g) const
{ {
if (u == 0)
return true;
if (uid == u) if (uid == u)
return mode & 0100; return mode & 0100;
if (g.contains(gid)) if (g.contains(gid))