2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure
6 * This program is free software; you can redistribute it and/or modify
7 * it under the terms of the GNU General Public License as published by
8 * the Free Software Foundation; either version 2 of the License, or
9 * (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 * See files README, COPYING and CREDITS in the root of the source
23 * tree for related information and legal notices. It is expected
24 * that future projects/authors will amend these files as needed.
28 * main.c: client main function
30 * Known contributors to this file:
33 * Ron Koenderink, 2004-2005
34 * Markus Armbruster, 2005
48 #include <sys/types.h>
55 #include <sys/socket.h>
57 #include <netinet/in.h>
74 static volatile sig_atomic_t interrupt;
75 static void intr(int sig);
76 static int handleintr(int);
79 main(int ac, char **av)
82 WORD wVersionRequested;
88 SECURITY_ATTRIBUTES security;
97 struct ioqueue server;
114 * stdout is unbuffered under Windows if connected to a character
115 * device, and putchar() screws up when printing multibyte strings
116 * bytewise to an unbuffered stream. Switch stdout to line-
117 * buffered mode. Unfortunately, ISO C allows implementations to
118 * screw that up, and of course Windows does. Manual flushing
119 * after each prompt is required.
121 setvbuf(stdout, NULL, _IOLBF, 4096);
122 wVersionRequested = MAKEWORD(2, 0);
123 err = WSAStartup(wVersionRequested, &WsaData);
125 printf("WSAStartup Failed, error code %d\n", err);
132 memset(argv, 0, sizeof(argv));
133 saveargv(ac, av, argv);
136 for (i = j = 1; i < ac; ++i) {
138 if (strcmp(ptr, "-2") == 0) {
140 fprintf(stderr, "-2: Missing filename!\n");
143 auxout_fname = argv[i + 1];
146 } else if (strcmp(ptr, "-k") == 0) {
149 } else if (strcmp(ptr, "-u") == 0) {
150 utf8 = eight_bit_clean = 1;
157 if (auxout_fname && (auxout_fp = fopen(auxout_fname, "a")) == NULL) {
158 fprintf(stderr, "Unable to open %s for append\n", auxout_fname);
162 port = getenv("EMPIREPORT");
165 host = getenv("EMPIREHOST");
168 sock = tcp_connect(host, port);
169 cname = getenv("COUNTRY");
172 pname = getenv("PLAYER");
175 uname = getenv("LOGNAME");
180 pwd = getpwuid(getuid());
182 fprintf(stderr, "You don't exist. Go away\n");
185 uname = pwd->pw_name;
189 unamesize = sizeof(unamebuf);
190 if (GetUserName(unamebuf, &unamesize)) {
192 if ((unamesize <= 0 ) || (strlen(uname) <= 0))
198 if (!login(sock, uname, cname, pname, send_kill, utf8)) {
202 ioq_init(&server, 2048);
206 FD_SET(0, &savemask);
207 FD_SET(sock, &savemask);
208 sigemptyset(&sa.sa_mask);
210 sa.sa_handler = intr;
211 sigaction(SIGINT, &sa, NULL);
212 sa.sa_handler = SIG_IGN;
213 sigaction(SIGPIPE, &sa, NULL);
214 while (FD_ISSET(sock, &savemask)) {
216 n = select(sock + 1, &mask, NULL, NULL, NULL);
218 if (!handleintr(sock))
223 if (errno == EINTR) {
226 FD_CLR(sock, &savemask);
229 if (FD_ISSET(0, &mask)) {
230 if (!termio(0, sock, auxout_fp)) {
231 if (retry++ >= RETRY) {
232 FD_CLR(0, &savemask);
238 if (FD_ISSET(sock, &mask)) {
239 if (!serverio(sock, &server))
240 FD_CLR(sock, &savemask);
242 servercmd(&server, auxout_fp);
247 signal(SIGINT, intr);
253 if (!_isatty(_fileno(stdin)))
256 security.nLength = sizeof(SECURITY_ATTRIBUTES);
257 security.lpSecurityDescriptor = NULL;
258 security.bInheritHandle = TRUE;
259 hStdIn = CreateFile("CONIN$",
260 GENERIC_READ | GENERIC_WRITE,
261 FILE_SHARE_READ | FILE_SHARE_WRITE,
262 &security, OPEN_EXISTING, (DWORD) NULL, NULL);
264 if (hStdIn == INVALID_HANDLE_VALUE) {
265 printf("Error getting hStdIn.\n");
270 err = GetConsoleMode(hStdIn, &stdinmode);
272 printf("Error getting console mode.\n");
276 stdinmode |= ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT;
277 err = SetConsoleMode(hStdIn, stdinmode);
279 printf("Error setting console mode.\n");
287 FD_SET(sock, &readfds);
288 n = select(sock + 1, &readfds, NULL, NULL, &tm);
290 if (!handleintr(sock))
295 if (errno == EINTR) {
296 errno = WSAGetLastError();
302 if (bRedirected == 1) {
303 if (!termio(0, sock, auxout_fp))
305 } else if (bRedirected == 0) {
306 if (WaitForSingleObject(hStdIn, 10) != WAIT_TIMEOUT) {
307 termio(-1, sock, auxout_fp);
308 FlushConsoleInputBuffer(hStdIn);
311 if (FD_ISSET(sock, &readfds)) {
312 if (!serverio(sock, &server))
315 servercmd(&server, auxout_fp);
319 if (bRedirected == 0)
324 return 0; /* Shut the compiler up */
332 signal(SIGINT, intr);
340 /* tacky, but it works */
342 if (write(s, "\naborted\n", 1 + 7 + 1) <= 0)
344 if (send(s, "\naborted\n", 1 + 7 + 1, 0) <= 0)