2024-09-13 11:18:23 +00:00
|
|
|
/* $Id$ */
|
|
|
|
|
|
|
|
#include "tw_server.h"
|
|
|
|
|
|
|
|
#include "tw_config.h"
|
|
|
|
|
|
|
|
#include <unistd.h>
|
|
|
|
#include <string.h>
|
2024-09-13 12:47:34 +00:00
|
|
|
#include <stdbool.h>
|
2024-09-13 11:18:23 +00:00
|
|
|
|
|
|
|
#include <cm_log.h>
|
|
|
|
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
#include <winsock2.h>
|
2024-09-13 12:47:34 +00:00
|
|
|
#include <process.h>
|
2024-09-13 11:18:23 +00:00
|
|
|
#define NO_IPV6
|
|
|
|
#else
|
|
|
|
#include <sys/select.h>
|
|
|
|
#include <sys/socket.h>
|
|
|
|
#include <arpa/inet.h>
|
|
|
|
#include <netinet/in.h>
|
|
|
|
#include <netinet/tcp.h>
|
|
|
|
#endif
|
|
|
|
|
|
|
|
extern struct tw_config config;
|
|
|
|
|
|
|
|
fd_set fdset;
|
|
|
|
int sockcount = 0;
|
|
|
|
|
|
|
|
#ifdef NO_IPV6
|
2024-09-13 11:28:43 +00:00
|
|
|
#define SOCKADDR struct sockaddr_in
|
2024-09-13 11:18:23 +00:00
|
|
|
#else
|
2024-09-13 11:28:43 +00:00
|
|
|
#define SOCKADDR struct sockaddr_in6
|
2024-09-13 11:18:23 +00:00
|
|
|
#endif
|
2024-09-13 11:28:43 +00:00
|
|
|
SOCKADDR addresses[MAX_PORTS];
|
|
|
|
int sockets[MAX_PORTS];
|
2024-09-13 11:18:23 +00:00
|
|
|
|
|
|
|
void close_socket(int sock) {
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
closesocket(sock);
|
|
|
|
#else
|
|
|
|
close(sock);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
int tw_server_init(void) {
|
|
|
|
int i;
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
WSADATA wsa;
|
|
|
|
WSAStartup(MAKEWORD(2, 0), &wsa);
|
|
|
|
#endif
|
|
|
|
for(i = 0; config.ports[i] != -1; i++)
|
|
|
|
;
|
|
|
|
sockcount = i;
|
|
|
|
for(i = 0; config.ports[i] != -1; i++) {
|
|
|
|
#ifdef NO_IPV6
|
|
|
|
int sock = socket(AF_INET, SOCK_STREAM, IPPROTO_TCP);
|
|
|
|
#else
|
|
|
|
int sock = socket(AF_INET6, SOCK_STREAM, IPPROTO_TCP);
|
|
|
|
#endif
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
if(sock == INVALID_SOCKET)
|
|
|
|
#else
|
|
|
|
if(sock < 0)
|
|
|
|
#endif
|
|
|
|
{
|
|
|
|
cm_log("Server", "Socket creation failure");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
int yes = 1;
|
|
|
|
if(setsockopt(sock, SOL_SOCKET, SO_REUSEADDR, (void*)&yes, sizeof(yes)) < 0) {
|
|
|
|
close_socket(sock);
|
|
|
|
cm_log("Server", "setsockopt failure (reuseaddr)");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if(setsockopt(sock, IPPROTO_TCP, TCP_NODELAY, (void*)&yes, sizeof(yes)) < 0) {
|
|
|
|
close_socket(sock);
|
|
|
|
cm_log("Server", "setsockopt failure (nodelay)");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
#ifndef NO_IPV6
|
|
|
|
int no = 0;
|
|
|
|
if(setsockopt(sock, IPPROTO_IPV6, IPV6_V6ONLY, (void*)&no, sizeof(no)) < 0) {
|
|
|
|
close_socket(sock);
|
|
|
|
cm_log("Server", "setsockopt failure (IPv6)");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
#endif
|
|
|
|
memset(&addresses[i], 0, sizeof(addresses[i]));
|
|
|
|
#ifdef NO_IPV6
|
|
|
|
addresses[i].sin_family = AF_INET;
|
|
|
|
addresses[i].sin_addr.s_addr = INADDR_ANY;
|
|
|
|
addresses[i].sin_port = htons(config.ports[i]);
|
|
|
|
#else
|
|
|
|
addresses[i].sin6_family = AF_INET6;
|
|
|
|
addresses[i].sin6_addr = in6addr_any;
|
|
|
|
addresses[i].sin6_port = htons(config.ports[i]);
|
|
|
|
#endif
|
|
|
|
if(bind(sock, (struct sockaddr*)&addresses[i], sizeof(addresses[i])) < 0) {
|
|
|
|
close_socket(sock);
|
|
|
|
cm_log("Server", "Bind failure");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
if(listen(sock, 128) < 0) {
|
|
|
|
close_socket(sock);
|
|
|
|
cm_log("Server", "Listen failure");
|
|
|
|
return 1;
|
|
|
|
}
|
|
|
|
sockets[i] = sock;
|
|
|
|
}
|
|
|
|
return 0;
|
|
|
|
}
|
2024-09-13 11:28:43 +00:00
|
|
|
|
2024-09-13 12:47:34 +00:00
|
|
|
#ifdef __MINGW32__
|
|
|
|
struct pass_entry {
|
|
|
|
int sock;
|
|
|
|
bool ssl;
|
|
|
|
};
|
|
|
|
|
|
|
|
unsigned int WINAPI tw_server_pass(void* ptr) {
|
|
|
|
int sock = ((struct pass_entry*)ptr)->sock;
|
|
|
|
bool ssl = ((struct pass_entry*)ptr)->ssl;
|
|
|
|
#else
|
|
|
|
void tw_server_pass(int sock, bool ssl) {
|
|
|
|
#endif
|
|
|
|
close_socket(sock);
|
|
|
|
#ifdef __MINGW32__
|
|
|
|
_endthreadex(0);
|
|
|
|
#endif
|
|
|
|
}
|
|
|
|
|
|
|
|
void tw_server_loop(void) {
|
2024-09-13 11:28:43 +00:00
|
|
|
struct timeval tv;
|
2024-09-13 12:47:34 +00:00
|
|
|
while(1) {
|
2024-09-13 12:06:13 +00:00
|
|
|
FD_ZERO(&fdset);
|
|
|
|
int i;
|
2024-09-13 12:47:34 +00:00
|
|
|
for(i = 0; i < sockcount; i++) {
|
2024-09-13 12:06:13 +00:00
|
|
|
FD_SET(sockets[i], &fdset);
|
|
|
|
}
|
2024-09-13 11:28:43 +00:00
|
|
|
tv.tv_sec = 1;
|
|
|
|
tv.tv_usec = 0;
|
2024-09-13 12:06:13 +00:00
|
|
|
int ret = select(FD_SETSIZE, &fdset, NULL, NULL, &tv);
|
2024-09-13 12:47:34 +00:00
|
|
|
if(ret == -1) {
|
2024-09-13 11:28:43 +00:00
|
|
|
break;
|
2024-09-13 12:47:34 +00:00
|
|
|
} else if(ret > 0) {
|
2024-09-13 11:28:43 +00:00
|
|
|
/* connection */
|
|
|
|
int i;
|
2024-09-13 12:47:34 +00:00
|
|
|
for(i = 0; i < sockcount; i++) {
|
|
|
|
if(FD_ISSET(sockets[i], &fdset)) {
|
2024-09-13 11:28:43 +00:00
|
|
|
SOCKADDR claddr;
|
|
|
|
int clen = sizeof(claddr);
|
|
|
|
int sock = accept(sockets[i], (struct sockaddr*)&claddr, &clen);
|
2024-09-13 12:47:34 +00:00
|
|
|
#ifdef __MINGW32__
|
|
|
|
HANDLE thread;
|
|
|
|
struct pass_entry* e = malloc(sizeof(*e));
|
|
|
|
e->sock = sock;
|
|
|
|
e->ssl = config.ports[i] & (1ULL << 32);
|
|
|
|
thread = (HANDLE)_beginthreadex(NULL, 0, tw_server_pass, e, 0, NULL);
|
|
|
|
#else
|
|
|
|
pid_t pid = fork();
|
|
|
|
if(pid == 0) {
|
|
|
|
tw_server_pass(sock, config.ports[i] & (1ULL << 32));
|
|
|
|
_exit(0);
|
|
|
|
} else {
|
|
|
|
close_socket(sock);
|
|
|
|
}
|
|
|
|
#endif
|
2024-09-13 11:28:43 +00:00
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|
|
|
|
}
|