From 02e249f30bfe08b8a5cde1226ca0161f9e370927 Mon Sep 17 00:00:00 2001
From: LoGin <longjin@DragonOS.org>
Date: Sun, 12 Nov 2023 14:11:33 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0uid=E3=80=81gid=E7=9A=84?=
 =?UTF-8?q?=E7=B3=BB=E7=BB=9F=E8=B0=83=E7=94=A8=EF=BC=88=E6=9A=B4=E5=8A=9B?=
 =?UTF-8?q?=E5=B0=81=E8=A3=85=E8=BF=94=E5=9B=9E0=EF=BC=89=20(#434)?=
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---
 kernel/src/process/syscall.rs | 20 ++++++++++++++++++++
 kernel/src/syscall/mod.rs     | 25 +++++++++++++++++++++++++
 2 files changed, 45 insertions(+)

diff --git a/kernel/src/process/syscall.rs b/kernel/src/process/syscall.rs
index 08bbaf77..aa820a75 100644
--- a/kernel/src/process/syscall.rs
+++ b/kernel/src/process/syscall.rs
@@ -300,4 +300,24 @@ impl Syscall {
         let pcb = ProcessManager::current_pcb();
         Ok(pcb.pid)
     }
+
+    pub fn getuid() -> Result<usize, SystemError> {
+        // todo: 增加credit功能之后，需要修改
+        return Ok(0);
+    }
+
+    pub fn getgid() -> Result<usize, SystemError> {
+        // todo: 增加credit功能之后，需要修改
+        return Ok(0);
+    }
+
+    pub fn geteuid() -> Result<usize, SystemError> {
+        // todo: 增加credit功能之后，需要修改
+        return Ok(0);
+    }
+
+    pub fn getegid() -> Result<usize, SystemError> {
+        // todo: 增加credit功能之后，需要修改
+        return Ok(0);
+    }
 }
diff --git a/kernel/src/syscall/mod.rs b/kernel/src/syscall/mod.rs
index 29e041b6..65e6be2e 100644
--- a/kernel/src/syscall/mod.rs
+++ b/kernel/src/syscall/mod.rs
@@ -401,6 +401,15 @@ pub const SYS_MKDIR: usize = 83;
 
 pub const SYS_GETTIMEOFDAY: usize = 96;
 
+pub const SYS_GETUID: usize = 102;
+pub const SYS_SYSLOG: usize = 103;
+pub const SYS_GETGID: usize = 104;
+pub const SYS_SETUID: usize = 105;
+
+pub const SYS_SETGID: usize = 106;
+pub const SYS_GETEUID: usize = 107;
+pub const SYS_GETEGID: usize = 108;
+
 pub const SYS_GETPPID: usize = 110;
 pub const SYS_GETPGID: usize = 121;
 
@@ -1139,6 +1148,22 @@ impl Syscall {
                 Ok(0)
             }
             SYS_GETTID => Self::gettid().map(|tid| tid.into()),
+            SYS_GETUID => Self::getuid().map(|uid| uid.into()),
+            SYS_SYSLOG => {
+                kwarn!("SYS_SYSLOG has not yet been implemented");
+                Ok(0)
+            }
+            SYS_GETGID => Self::getgid().map(|gid| gid.into()),
+            SYS_SETUID => {
+                kwarn!("SYS_SETUID has not yet been implemented");
+                Ok(0)
+            }
+            SYS_SETGID => {
+                kwarn!("SYS_SETGID has not yet been implemented");
+                Ok(0)
+            }
+            SYS_GETEUID => Self::geteuid().map(|euid| euid.into()),
+            SYS_GETEGID => Self::getegid().map(|egid| egid.into()),
 
             _ => panic!("Unsupported syscall ID: {}", syscall_num),
         };