2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2011, Dave Pare, Jeff Bailey, Thomas Ruschak,
4 * Ken Stevens, Steve McClure, Markus Armbruster
6 * Empire 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 3 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, see <http://www.gnu.org/licenses/>.
21 * See files README, COPYING and CREDITS in the root of the source
22 * tree for related information and legal notices. It is expected
23 * that future projects/authors will amend these files as needed.
27 * main.c: client main function
29 * Known contributors to this file:
32 * Ron Koenderink, 2004-2007
33 * Markus Armbruster, 2005-2009
42 #include "sys/socket.h"
52 #define getpwuid(uid) ((void)(uid), w32_getpw())
53 #define sysdep_init() w32_sysdep_init()
59 static struct passwd *w32_getpw(void);
60 static void w32_sysdep_init(void);
62 #define sysdep_init() ((void)0)
66 print_usage(char *program_name)
68 printf("Usage: %s [OPTION]...[COUNTRY [PASSWORD]]\n"
69 " -2 FILE Append log of session to FILE\n"
70 " -k Kill connection\n"
71 " -s [HOST:]PORT Specify server HOST and PORT\n"
73 " -h display this help and exit\n"
74 " -v display version information and exit\n",
79 main(int argc, char **argv)
82 char *auxfname = NULL;
94 while ((opt = getopt(argc, argv, "2:ks:uhv")) != EOF) {
103 port = strdup(optarg);
104 colon = strrchr(port, ':');
112 utf8 = eight_bit_clean = 1;
115 print_usage(argv[0]);
118 printf("%s\n\n%s", version, legal);
121 fprintf(stderr, "Try -h for help.\n");
130 country = getenv("COUNTRY");
134 passwd = getenv("PLAYER");
136 port = getenv("EMPIREPORT");
140 host = getenv("EMPIREHOST");
143 uname = getenv("LOGNAME");
147 pwd = getpwuid(getuid());
149 fprintf(stderr, "You don't exist. Go away\n");
152 uname = pwd->pw_name;
155 fprintf(stderr, "%s: extra operand %s\n", argv[0], *ap);
156 fprintf(stderr, "Try -h for help.\n");
161 if (auxfname && (auxfp = fopen(auxfname, "a")) == NULL) {
162 fprintf(stderr, "Unable to open %s for append\n", auxfname);
168 sock = tcp_connect(host, port);
170 if (!login(sock, uname, country, passwd, send_kill, utf8))
181 * Get Windows user name
183 static struct passwd *
186 static char unamebuf[128];
187 static struct passwd pwd;
190 unamesize = sizeof(unamebuf);
191 if (GetUserName(unamebuf, &unamesize)) {
192 pwd.pw_name = unamebuf;
193 if (unamesize == 0 || strlen(unamebuf) == 0)
194 pwd.pw_name = "nobody";
196 pwd.pw_name = "nobody";
201 w32_sysdep_init(void)
206 * stdout is unbuffered under Windows if connected to a character
207 * device, and putchar() screws up when printing multibyte strings
208 * bytewise to an unbuffered stream. Switch stdout to line-
209 * buffered mode. Unfortunately, ISO C allows implementations to
210 * screw that up, and of course Windows does. Manual flushing
211 * after each prompt is required.
213 setvbuf(stdout, NULL, _IOLBF, 4096);
215 err = w32_socket_init();
217 fprintf(stderr, "WSAStartup Failed, error code %d\n", err);