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#include "TerminalWrapper.h"
#include "ProcessStateWidget.h"
#include <AK/String.h>
#include <LibCore/CConfigFile.h>
#include <LibGUI/GBoxLayout.h>
#include <LibGUI/GMessageBox.h>
#include <LibVT/TerminalWidget.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/ioctl.h>
#include <sys/wait.h>
#include <unistd.h>
void TerminalWrapper::run_command(const String& command)
{
if (m_pid != -1) {
GMessageBox::show(
"A command is already running in this TerminalWrapper",
"Can't run command",
GMessageBox::Type::Error,
GMessageBox::InputType::OK,
window());
return;
}
int ptm_fd = open("/dev/ptmx", O_RDWR);
if (ptm_fd < 0) {
perror("open(ptmx)");
ASSERT_NOT_REACHED();
}
m_terminal_widget->set_pty_master_fd(ptm_fd);
m_terminal_widget->on_command_exit = [this] {
int wstatus;
int rc = waitpid(m_pid, &wstatus, 0);
if (rc < 0) {
perror("waitpid");
ASSERT_NOT_REACHED();
}
if (WIFEXITED(wstatus)) {
m_terminal_widget->inject_string(String::format("\033[%d;1m(Command exited with code %d)\033[0m\n", wstatus == 0 ? 32 : 31, WEXITSTATUS(wstatus)));
} else if (WIFSTOPPED(wstatus)) {
m_terminal_widget->inject_string(String::format("\033[34;1m(Command stopped!)\033[0m\n"));
} else if (WIFSIGNALED(wstatus)) {
m_terminal_widget->inject_string(String::format("\033[34;1m(Command signaled with %s!)\033[0m\n", strsignal(WTERMSIG(wstatus))));
}
m_process_state_widget->set_pid(-1);
m_pid = -1;
};
m_pid = fork();
if (m_pid == 0) {
const char* tty_name = ptsname(ptm_fd);
if (!tty_name) {
perror("ptsname");
exit(1);
}
close(ptm_fd);
int pts_fd = open(tty_name, O_RDWR);
if (pts_fd < 0) {
perror("open");
exit(1);
}
// NOTE: It's okay if this fails.
(void)ioctl(0, TIOCNOTTY);
close(0);
close(1);
close(2);
int rc = dup2(pts_fd, 0);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = dup2(pts_fd, 1);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = dup2(pts_fd, 2);
if (rc < 0) {
perror("dup2");
exit(1);
}
rc = close(pts_fd);
if (rc < 0) {
perror("close");
exit(1);
}
rc = ioctl(0, TIOCSCTTY);
if (rc < 0) {
perror("ioctl(TIOCSCTTY)");
exit(1);
}
const char* args[4] = { "/bin/Shell", nullptr, nullptr, nullptr };
if (!command.is_empty()) {
args[1] = "-c";
args[2] = command.characters();
}
const char* envs[] = { "TERM=xterm", "PATH=/bin:/usr/bin:/usr/local/bin", nullptr };
rc = execve("/bin/Shell", const_cast<char**>(args), const_cast<char**>(envs));
if (rc < 0) {
perror("execve");
exit(1);
}
ASSERT_NOT_REACHED();
}
// Parent process, cont'd.
m_process_state_widget->set_pid(m_pid);
}
TerminalWrapper::TerminalWrapper(GWidget* parent)
: GWidget(parent)
{
set_layout(make<GBoxLayout>(Orientation::Vertical));
m_process_state_widget = ProcessStateWidget::construct(this);
RefPtr<CConfigFile> config = CConfigFile::get_for_app("Terminal");
m_terminal_widget = TerminalWidget::construct(-1, false, config);
add_child(*m_terminal_widget);
}
TerminalWrapper::~TerminalWrapper()
{
}
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