fergalmoran/ladybird
1
0
Fork 0
mirror of https://github.com/fergalmoran/ladybird.git synced 2025-12-28 04:08:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Kernel: Tighten up some promise checks

Browse Source 
Since we're not keeping compatibility with OpenBSD about what promises are
required for which syscalls, tighten things up so that they make more sense.
This commit is contained in:
Sergey Bugaev
2020-05-31 21:58:06 +03:00
committed by Andreas Kling
parent a77405665f
commit 05b7fec517
2 changed files with 5 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files

10
Kernel/Process.cpp
View File

@@ -703,7 +703,7 @@ int Process::sys$gethostname(char* buffer, ssize_t size)
int Process::sys$sethostname(const char* hostname, ssize_t length)
{
REQUIRE_PROMISE(stdio);
REQUIRE_NO_PROMISES;
if (!is_superuser())
return -EPERM;
if (length < 0)
@@ -2495,7 +2495,7 @@ KResultOr<siginfo_t> Process::do_waitid(idtype_t idtype, int id, int options)
pid_t Process::sys$waitid(const Syscall::SC_waitid_params* user_params)
{
REQUIRE_PROMISE(stdio);
REQUIRE_PROMISE(proc);
Syscall::SC_waitid_params params;
if (!validate_read_and_copy_typed(&params, user_params))
@@ -2545,7 +2545,7 @@ bool Process::validate_write(void* address, size_t size) const
pid_t Process::sys$getsid(pid_t pid)
{
REQUIRE_PROMISE(stdio);
REQUIRE_PROMISE(proc);
if (pid == 0)
return m_sid;
InterruptDisabler disabler;
@@ -2576,7 +2576,7 @@ pid_t Process::sys$setsid()
pid_t Process::sys$getpgid(pid_t pid)
{
REQUIRE_PROMISE(stdio);
REQUIRE_PROMISE(proc);
if (pid == 0)
return m_pgid;
InterruptDisabler disabler; // FIXME: Use a ProcessHandle
@@ -2677,7 +2677,7 @@ int Process::sys$dup2(int old_fd, int new_fd)
int Process::sys$sigprocmask(int how, const sigset_t* set, sigset_t* old_set)
{
REQUIRE_PROMISE(stdio);
REQUIRE_PROMISE(sigaction);
if (old_set) {
if (!validate_write_typed(old_set))
return -EFAULT;