/*
* Empire - A multi-player, client/server Internet based war game.
- * Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
+ * Copyright (C) 1986-2010, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
*
* ---
*
- * See the "LEGAL", "LICENSE", "CREDITS" and "README" files for all the
- * related information and legal notices. It is expected that any future
- * projects/authors will amend these files as needed.
+ * See files README, COPYING and CREDITS in the root of the source
+ * tree for related information and legal notices. It is expected
+ * that future projects/authors will amend these files as needed.
*
* ---
*
* main.c: client main function
- *
+ *
* Known contributors to this file:
* Dave Pare, 1986
* Steve McClure, 1998
+ * Ron Koenderink, 2004-2007
+ * Markus Armbruster, 2005-2009
*/
-#ifdef _NTSDK
-#undef _NTSDK
-#endif
+#include <config.h>
-#include "misc.h"
-#include "proto.h"
-#include "queue.h"
-#include "ioqueue.h"
-
-#include <stdio.h>
#include <stdlib.h>
-#include <string.h>
-#include <sys/types.h>
-#ifndef _WIN32
+#ifdef _WIN32
+#include <windows.h>
+#include "sys/socket.h"
+#else
#include <pwd.h>
#endif
-#include <signal.h>
-#include <errno.h>
-#include <time.h>
-#ifndef _WIN32
-#include <sys/socket.h>
-#include <sys/time.h>
-#include <netinet/in.h>
#include <unistd.h>
-#else
-#include <windows.h>
-#include <winsock.h>
-#include <conio.h>
-#endif
+#include "misc.h"
+#include "version.h"
#ifdef _WIN32
-HANDLE hStdIn;
-#endif
-
-#define RETRY 3
+#define getuid() 0
+#define getpwuid(uid) ((void)(uid), w32_getpw())
+#define sysdep_init() w32_sysdep_init()
-int interrupt;
-int sock;
+struct passwd {
+ char *pw_name;
+};
-void saveargv();
-void getsose();
-int hostport();
-int hostaddr();
-int hostconnect();
-int login();
-void ioq_init();
-void io_init();
-int handleintr();
-int termio();
-int serverio();
-void servercmd();
-void ioq_drain();
+static struct passwd *w32_getpw(void);
+static void w32_sysdep_init(void);
+#else /* !_WIN32 */
+#define sysdep_init() ((void)0)
+#endif /* !_WIN32 */
+static void
+print_usage(char *program_name)
+{
+ printf("Usage: %s [OPTION]...[COUNTRY [PASSWORD]]\n"
+ " -2 FILE Append log of session to FILE\n"
+ " -k Kill connection\n"
+ " -u Use UTF-8\n"
+ " -h display this help and exit\n"
+ " -v display version information and exit\n",
+ program_name);
+}
int
-main(ac, av)
-int ac;
-s_char *av[];
+main(int argc, char **argv)
{
-#ifdef _WIN32
- WSADATA WsaData;
- int err;
- fd_set readfds;
- struct timeval tm;
- INPUT_RECORD InpBuffer[10];
- DWORD numevents;
- DWORD stdinmode;
- SECURITY_ATTRIBUTES security;
- void intr(void);
-#endif
- extern s_char empireport[];
- extern s_char empirehost[];
- fd_set mask;
- fd_set savemask;
- struct ioqueue server;
- s_char *argv[128];
- int i, j;
- s_char *ptr;
- s_char *auxout_fname;
- FILE *auxout_fp;
-#ifndef _WIN32
- struct passwd *pwd;
- void intr();
-#endif
- struct sockaddr_in sin;
- int n;
- s_char *cname;
- s_char *pname;
- int retry = 0;
+ int opt;
+ char *auxfname = NULL;
int send_kill = 0;
+ int utf8 = 0;
+ char **ap;
+ char *country;
+ char *passwd;
+ char *uname;
+ char *host;
+ char *port;
+ int sock;
-#ifdef _WIN32
- err = WSAStartup(0x0101, &WsaData);
- if (err == SOCKET_ERROR) {
- printf("WSAStartup Failed\n");
- return FALSE;
- }
-#else
- FD_ZERO(&mask);
- FD_ZERO(&savemask);
-#endif
- memset(argv, 0, sizeof(argv));
- saveargv(ac, av, argv);
- auxout_fname = 0;
- auxout_fp = 0;
- for (i = j = 1; i < ac; ++i) {
- ptr = argv[i];
- if (strcmp(ptr, "-2") == 0) {
- if (i + 1 >= ac) {
- fprintf(stderr, "-2: Missing filename!\n");
- exit(1);
- }
- auxout_fname = argv[i + 1];
- ++i;
- continue;
- } else if (strcmp(ptr, "-k") == 0) {
+ while ((opt = getopt(argc, argv, "2:kuhv")) != EOF) {
+ switch (opt) {
+ case '2':
+ auxfname = optarg;
+ break;
+ case 'k':
send_kill = 1;
- continue;
+ break;
+ case 'u':
+ utf8 = eight_bit_clean = 1;
+ break;
+ case 'h':
+ print_usage(argv[0]);
+ exit(0);
+ case 'v':
+ printf("%s\n\n%s", version, legal);
+ exit(0);
+ default:
+ print_usage(argv[0]);
+ exit(1);
}
- argv[j] = argv[i];
- ++j;
- }
- ac = j;
- if (auxout_fname && (auxout_fp = fopen(auxout_fname, "a")) == NULL) {
- fprintf(stderr, "Unable to open %s for append\n", auxout_fname);
- exit(1);
}
-#ifndef _WIN32
- pwd = getpwuid(getuid());
- if (pwd == NULL) {
- fprintf(stderr, "You don't exist. Go away\n");
- exit(1);
+
+ ap = argv + optind;
+ if (*ap)
+ country = *ap++;
+ else
+ country = getenv("COUNTRY");
+ if (*ap)
+ passwd = *ap++;
+ else
+ passwd = getenv("PLAYER");
+ port = getenv("EMPIREPORT");
+ if (!port)
+ port = empireport;
+ host = getenv("EMPIREHOST");
+ if (!host)
+ host = empirehost;
+ uname = getenv("LOGNAME");
+ if (uname == NULL) {
+ struct passwd *pwd;
+
+ pwd = getpwuid(getuid());
+ if (pwd == NULL) {
+ fprintf(stderr, "You don't exist. Go away\n");
+ exit(1);
+ }
+ uname = pwd->pw_name;
}
-#endif
+
getsose();
- if (!hostport(getenv("EMPIREPORT"), &sin) &&
- !hostport("empire", &sin) && !hostport(empireport, &sin)) {
- fprintf(stderr, "No empire port\n");
- exit(1);
- }
- if (!hostaddr(getenv("EMPIREHOST"), &sin) &&
- !hostaddr(empirehost, &sin)) {
- fprintf(stderr, "No empire host\n");
+ if (auxfname && (auxfp = fopen(auxfname, "a")) == NULL) {
+ fprintf(stderr, "Unable to open %s for append\n", auxfname);
exit(1);
}
- if ((sock = hostconnect(&sin)) < 0)
- exit(1);
- cname = getenv("COUNTRY");
- pname = getenv("PLAYER");
- if (ac > 1)
- cname = argv[1];
- if (ac > 2)
- pname = argv[2];
-#ifndef _WIN32
- if (!login(sock, pwd->pw_name, cname, pname, send_kill)) {
-#else
- if (!login(sock, "nobody", cname, pname, send_kill)) {
-#endif
- close(sock);
+
+ sysdep_init();
+
+ sock = tcp_connect(host, port);
+
+ if (!login(sock, uname, country, passwd, send_kill, utf8))
exit(1);
- }
- ioq_init(&server, 2048);
- io_init();
- FD_ZERO(&mask);
-#ifndef _WIN32
- FD_SET(0, &savemask);
- FD_SET(sock, &savemask);
-#endif
- (void)signal(SIGINT, intr);
-#ifndef _WIN32
- (void)signal(SIGPIPE, SIG_IGN);
- while (FD_ISSET(sock, &savemask)) {
- mask = savemask;
- n = select(sock + 1, &mask, (fd_set *)0, (fd_set *)0,
- (struct timeval *)0);
- if (interrupt) {
- if (!handleintr(sock))
- break;
- errno = 0;
- }
- if (n <= 0) {
- if (errno == EINTR) {
- perror("select");
- (void)close(sock);
- FD_CLR(sock, &savemask);
- }
- } else {
- if (FD_ISSET(0, &mask)) {
- if (!termio(0, sock, auxout_fp)) {
- if (retry++ >= RETRY) {
- FD_CLR(0, &savemask);
- }
- } else {
- retry = 0;
- }
- }
- if (FD_ISSET(sock, &mask)) {
- if (!serverio(sock, &server))
- FD_CLR(sock, &savemask);
- else
- servercmd(&server, auxout_fp);
- }
- }
- }
-#else
- tm.tv_sec = 0;
- tm.tv_usec = 1000;
- security.nLength = sizeof(SECURITY_ATTRIBUTES);
- security.lpSecurityDescriptor = NULL;
- security.bInheritHandle = TRUE;
- hStdIn = CreateFile("CONIN$",
- GENERIC_READ | GENERIC_WRITE,
- FILE_SHARE_READ | FILE_SHARE_WRITE,
- &security, OPEN_EXISTING, (DWORD) NULL, NULL);
+ if (play(sock) < 0)
+ exit(1);
- if (hStdIn == INVALID_HANDLE_VALUE) {
- printf("Error getting hStdIn.\n");
- fflush(stdout);
- }
- err = GetConsoleMode(hStdIn, &stdinmode);
- if (!err) {
- printf("Error getting console mode.\n");
- fflush(stdout);
- }
- stdinmode |= ENABLE_LINE_INPUT | ENABLE_ECHO_INPUT;
- err = SetConsoleMode(hStdIn, stdinmode);
- if (!err) {
- printf("Error setting console mode.\n");
- fflush(stdout);
- }
- while (1) {
- FD_ZERO(&readfds);
- FD_SET(sock, &readfds);
- n = select(sock + 1, &readfds, (fd_set *) 0, (fd_set *) 0,
- (struct timeval *)&tm);
- if (n < 0) {
- if (errno == EINTR) {
- errno = WSAGetLastError();
- perror("select");
- (void)close(sock);
- break;
- }
- } else {
- if (WaitForSingleObject(hStdIn, 10) != WAIT_TIMEOUT) {
- if (!termio(-1, sock, auxout_fp)) {
- if (retry++ >= RETRY) {
- ;
- }
- } else {
- retry = 0;
- }
- FlushConsoleInputBuffer(hStdIn);
- }
- if (FD_ISSET(sock, &readfds)) {
- if (!serverio(sock, &server))
- break;
- else
- servercmd(&server, auxout_fp);
- }
- }
- }
- CloseHandle(hStdIn);
-#endif
- ioq_drain(&server);
- (void)close(sock);
- exit(0);
- return 0; /* Shut the compiler up */
+ return 0;
}
-void
#ifdef _WIN32
-intr(void)
-#else
-intr()
-#endif
+/*
+ * Get Windows user name
+ */
+static struct passwd *
+w32_getpw(void)
{
- interrupt++;
-#ifdef hpux
- signal(SIGINT, intr);
-#endif
+ static char unamebuf[128];
+ static struct passwd pwd;
+ DWORD unamesize;
+
+ unamesize = sizeof(unamebuf);
+ if (GetUserName(unamebuf, &unamesize)) {
+ pwd.pw_name = unamebuf;
+ if (unamesize == 0 || strlen(unamebuf) == 0)
+ pwd.pw_name = "nobody";
+ } else
+ pwd.pw_name = "nobody";
+ return &pwd;
+}
+
+static void
+w32_sysdep_init(void)
+{
+ int err;
+
+ /*
+ * stdout is unbuffered under Windows if connected to a character
+ * device, and putchar() screws up when printing multibyte strings
+ * bytewise to an unbuffered stream. Switch stdout to line-
+ * buffered mode. Unfortunately, ISO C allows implementations to
+ * screw that up, and of course Windows does. Manual flushing
+ * after each prompt is required.
+ */
+ setvbuf(stdout, NULL, _IOLBF, 4096);
+
+ err = w32_socket_init();
+ if (err != 0) {
+ fprintf(stderr, "WSAStartup Failed, error code %d\n", err);
+ exit(1);
+ }
}
+#endif