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Kernel: Require "tty" for ioctl() on TTY and MasterPTY

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SystemServer now pledges "tty" since it's used when spawning services.
This commit is contained in:
Andreas Kling 2020-01-12 13:28:45 +01:00
parent 35c84504cd
commit 62a191b59a
Notes: sideshowbarker 2024-07-19 10:08:00 +09:00 
Author: https://github.com/awesomekling
Commit: https://github.com/SerenityOS/serenity/commit/62a191b59a8
3 changed files with 3 additions and 1 deletions
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1
Kernel/TTY/MasterPTY.cpp
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@ -98,6 +98,7 @@ void MasterPTY::close()
int MasterPTY::ioctl(FileDescription& description, unsigned request, unsigned arg)
{
REQUIRE_PROMISE(tty);
if (!m_slave)
return -EIO;
if (request == TIOCSWINSZ || request == TIOCGPGRP)

1
Kernel/TTY/TTY.cpp
View file

@ -242,6 +242,7 @@ void TTY::set_termios(const termios& t)
int TTY::ioctl(FileDescription&, unsigned request, unsigned arg)
{
REQUIRE_PROMISE(tty);
auto& process = current->process();
pid_t pgid;
termios* tp;

2
Servers/SystemServer/main.cpp
View file

@ -77,7 +77,7 @@ static void mount_all_filesystems()
int main(int, char**)
{
if (pledge("stdio proc exec unix rpath wpath cpath chown fattr id", nullptr) < 0) {
if (pledge("stdio proc exec tty unix rpath wpath cpath chown fattr id", nullptr) < 0) {
perror("pledge");
return 1;
}