From f187374c1bb9704f683f79cc21a388024d7521c4 Mon Sep 17 00:00:00 2001
From: Andreas Kling <awesomekling@gmail.com>
Date: Sat, 11 Jan 2020 23:19:30 +0100
Subject: [PATCH] Kernel: fork()ed children should inherit pledge promises :^)

Update various places that now need wider promises as they are not
reset by fork() anymore.
---
 Applications/Taskbar/main.cpp  | 4 ++--
 Applications/Terminal/main.cpp | 4 ++--
 Kernel/Process.cpp             | 2 ++
 Servers/SystemServer/main.cpp  | 2 +-
 Servers/WindowServer/main.cpp  | 4 ++--
 5 files changed, 9 insertions(+), 7 deletions(-)

diff --git a/Applications/Taskbar/main.cpp b/Applications/Taskbar/main.cpp
index 5659b1d6fd..c64ba482e9 100644
--- a/Applications/Taskbar/main.cpp
+++ b/Applications/Taskbar/main.cpp
@@ -5,14 +5,14 @@
 
 int main(int argc, char** argv)
 {
-    if (pledge("stdio shared_buffer proc rpath unix cpath fattr", nullptr) < 0) {
+    if (pledge("stdio shared_buffer proc exec rpath unix cpath fattr", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
 
     GApplication app(argc, argv);
 
-    if (pledge("stdio shared_buffer proc rpath unix", nullptr) < 0) {
+    if (pledge("stdio shared_buffer proc exec rpath unix", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
diff --git a/Applications/Terminal/main.cpp b/Applications/Terminal/main.cpp
index 82d327bc82..4fdb2fad9d 100644
--- a/Applications/Terminal/main.cpp
+++ b/Applications/Terminal/main.cpp
@@ -136,7 +136,7 @@ RefPtr<GWindow> create_settings_window(TerminalWidget& terminal, RefPtr<CConfigF
 
 int main(int argc, char** argv)
 {
-    if (pledge("stdio tty rpath cpath wpath shared_buffer proc unix fattr", nullptr) < 0) {
+    if (pledge("stdio tty rpath cpath wpath shared_buffer proc exec unix fattr", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
@@ -153,7 +153,7 @@ int main(int argc, char** argv)
 
     GApplication app(argc, argv);
 
-    if (pledge("stdio tty rpath cpath wpath shared_buffer proc unix", nullptr) < 0) {
+    if (pledge("stdio tty rpath cpath wpath shared_buffer proc exec unix", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
diff --git a/Kernel/Process.cpp b/Kernel/Process.cpp
index 83c58611c3..0fd52f8271 100644
--- a/Kernel/Process.cpp
+++ b/Kernel/Process.cpp
@@ -599,6 +599,8 @@ pid_t Process::sys$fork(RegisterDump& regs)
     Thread* child_first_thread = nullptr;
     auto* child = new Process(child_first_thread, m_name, m_uid, m_gid, m_pid, m_ring, m_cwd, m_executable, m_tty, this);
     child->m_root_directory = m_root_directory;
+    child->m_promises = m_promises;
+    child->m_execpromises = m_execpromises;
 
 #ifdef FORK_DEBUG
     dbgprintf("fork: child=%p\n", child);
diff --git a/Servers/SystemServer/main.cpp b/Servers/SystemServer/main.cpp
index a5f69a3fe5..a9599486bf 100644
--- a/Servers/SystemServer/main.cpp
+++ b/Servers/SystemServer/main.cpp
@@ -77,7 +77,7 @@ static void mount_all_filesystems()
 
 int main(int, char**)
 {
-    if (pledge("stdio proc exec unix rpath cpath chown fattr id", nullptr) < 0) {
+    if (pledge("stdio proc exec unix rpath wpath cpath chown fattr id", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
diff --git a/Servers/WindowServer/main.cpp b/Servers/WindowServer/main.cpp
index d6aa05a635..aeab64d1e7 100644
--- a/Servers/WindowServer/main.cpp
+++ b/Servers/WindowServer/main.cpp
@@ -10,7 +10,7 @@
 
 int main(int, char**)
 {
-    if (pledge("stdio shared_buffer rpath wpath cpath unix proc fattr", nullptr) < 0) {
+    if (pledge("stdio shared_buffer rpath wpath cpath unix proc exec fattr", nullptr) < 0) {
         perror("pledge");
         return 1;
     }
@@ -35,7 +35,7 @@ int main(int, char**)
 
     WSEventLoop loop;
 
-    if (pledge("stdio shared_buffer rpath wpath cpath unix proc", nullptr) < 0) {
+    if (pledge("stdio shared_buffer rpath wpath cpath unix proc exec", nullptr) < 0) {
         perror("pledge");
         return 1;
     }