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TelnetServer: Port to LibMain

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This is only a very basic change, since the fallible function calls are
all inside the `on_ready_to_accept` callback.
This commit is contained in:
Sam Atkins 2021-12-25 14:49:38 +00:00 • committed by Andreas Kling
parent 98c8eca70c
commit 143f820c68
2 changed files with 9 additions and 14 deletions
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2
Userland/Services/TelnetServer/CMakeLists.txt
View file

@ -10,4 +10,4 @@ set(SOURCES
)
serenity_bin(TelnetServer)
target_link_libraries(TelnetServer LibCore)
target_link_libraries(TelnetServer LibCore LibMain)

21
Userland/Services/TelnetServer/main.cpp
View file

@ -11,6 +11,7 @@
#include <LibCore/ArgsParser.h>
#include <LibCore/EventLoop.h>
#include <LibCore/TCPServer.h>
#include <LibMain/Main.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
@ -21,7 +22,7 @@ static void run_command(int ptm_fd, String command)
{
pid_t pid = fork();
if (pid == 0) {
const char* tty_name = ptsname(ptm_fd);
char const* tty_name = ptsname(ptm_fd);
if (!tty_name) {
perror("ptsname");
exit(1);
@ -65,12 +66,12 @@ static void run_command(int ptm_fd, String command)
perror("ioctl(TIOCSCTTY)");
exit(1);
}
const char* args[4] = { "/bin/Shell", nullptr, nullptr, nullptr };
char const* args[4] = { "/bin/Shell", nullptr, nullptr, nullptr };
if (!command.is_empty()) {
args[1] = "-c";
args[2] = command.characters();
}
const char* envs[] = { "TERM=xterm", "PATH=/usr/local/bin:/usr/bin:/bin", nullptr };
char const* envs[] = { "TERM=xterm", "PATH=/usr/local/bin:/usr/bin:/bin", nullptr };
rc = execve("/bin/Shell", const_cast<char**>(args), const_cast<char**>(envs));
if (rc < 0) {
perror("execve");
@ -80,15 +81,15 @@ static void run_command(int ptm_fd, String command)
}
}
int main(int argc, char** argv)
ErrorOr<int> serenity_main(Main::Arguments arguments)
{
int port = 23;
const char* command = "";
char const* command = "";
Core::ArgsParser args_parser;
args_parser.add_option(port, "Port to listen on", nullptr, 'p', "port");
args_parser.add_option(command, "Program to run on connection", nullptr, 'c', "command");
args_parser.parse(argc, argv);
args_parser.parse(arguments);
if ((u16)port != port) {
warnln("Invalid port number: {}", port);
@ -148,11 +149,5 @@ int main(int argc, char** argv)
clients.set(id, client);
};
int rc = event_loop.exec();
if (rc != 0) {
fprintf(stderr, "event loop exited badly; rc=%d", rc);
exit(1);
}
return 0;
return event_loop.exec();
}