empserver/src/client/login.c

125 lines
3.2 KiB
C

/*
* Empire - A multi-player, client/server Internet based war game.
* Copyright (C) 1986-2000, Dave Pare, Jeff Bailey, Thomas Ruschak,
* Ken Stevens, Steve McClure
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* ---
*
* 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.
*
* ---
*
* login.c: Log into an empire server
*
* Known contributors to this file:
* Dave Pare, 1989
* Steve McClure, 1998
*/
#include "misc.h"
#include "proto.h"
#include <ctype.h>
#include <stdio.h>
#if !defined(_WIN32)
#include <unistd.h>
#endif
int expect();
int atoi();
void sendcmd();
int
login(s, uname, cname, cpass, kill_proc)
int s;
s_char *uname;
s_char *cname;
s_char *cpass;
int kill_proc;
{
s_char tmp[128];
s_char buf[1024];
s_char *ptr;
s_char *p;
if (!expect(s, C_INIT, buf))
return 0;
(void)sendcmd(s, USER, uname);
if (!expect(s, C_CMDOK, buf))
return 0;
if (cname == 0) {
(void)printf("Country name? ");
cname = fgets(tmp, 128, stdin);
if (cname == 0 || *cname == 0)
return 0;
}
if (cname[strlen(cname) - 1] == '\n')
cname[strlen(cname) - 1] = 0;
if (cname[strlen(cname) - 1] == '\r')
cname[strlen(cname) - 1] = 0;
(void)sendcmd(s, COUN, cname);
if (!expect(s, C_CMDOK, buf)) {
(void)fprintf(stderr, "empire: no such country\n");
return 0;
}
if (cpass == 0) {
#ifndef _WIN32
cpass = (s_char *)getpass("Your name? ");
#else
printf("Note: This is echoed to the screen\n");
printf("Your name? ");
cpass = tmp;
*cpass = 0;
fgets(cpass, 128, stdin);
#endif
if (cpass == 0 || *cpass == 0)
return 0;
}
(void)printf("\n");
(void)sendcmd(s, PASS, cpass);
bzero(cpass, strlen(cpass)); /* for core dumps */
if (!expect(s, C_CMDOK, buf)) {
(void)fprintf(stderr, "Bad password\n");
return 0;
}
if (kill_proc) {
(void)sendcmd(s, KILL, (s_char *)0);
(void)printf("\n\t-=O=-\n");
(void)expect(s, C_EXIT, buf);
fprintf(stderr, "%s\n", buf);
return 0;
}
(void)sendcmd(s, PLAY, (s_char *)0);
(void)printf("\n\t-=O=-\n");
if (!expect(s, C_INIT, buf)) {
fprintf(stderr, "%s\n", buf);
return 0;
}
for (ptr = buf; !isspace(*ptr); ptr++) ;
ptr++;
p = index(ptr, '\n');
if (p != 0)
*p = 0;
if (atoi(ptr) != CLIENTPROTO) {
printf("Empire client out of date; get new version!\n");
printf(" this version: %d, current version: %d\n",
CLIENTPROTO, atoi(ptr));
}
return 1;
}