Markus Armbruster
eb1041f130
Commit 8c3b8d10 replaced the getpass() for Windows by a generic
ersatz_getpass(). This lost the "switch off echo" feature, with the
excuse that it doesn't work for me (MinGW & Wine). Turns out it works
under real Windows. Restore the feature.
161 lines
4 KiB
C
161 lines
4 KiB
C
/*
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* Empire - A multi-player, client/server Internet based war game.
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* Copyright (C) 1986-2009, Dave Pare, Jeff Bailey, Thomas Ruschak,
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* Ken Stevens, Steve McClure
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*
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* ---
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*
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* See files README, COPYING and CREDITS in the root of the source
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* tree for related information and legal notices. It is expected
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* that future projects/authors will amend these files as needed.
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*
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* ---
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*
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* login.c: Log into an empire server
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*
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* Known contributors to this file:
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* Dave Pare, 1989
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* Steve McClure, 1998
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*/
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#include <config.h>
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#include <ctype.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#if !defined(_WIN32)
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#include <unistd.h>
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#endif
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#include "misc.h"
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#include "proto.h"
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#ifndef HAVE_GETPASS
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#define getpass ersatz_getpass
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static char *
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ersatz_getpass(char *prompt)
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{
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static char buf[128];
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char *p;
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size_t len;
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#ifdef _WIN32
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DWORD mode;
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HANDLE input_handle = GetStdHandle(STD_INPUT_HANDLE);
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if (GetConsoleMode(input_handle, &mode))
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SetConsoleMode(input_handle, mode & ~ENABLE_ECHO_INPUT);
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else
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#endif
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printf("Note: your input is echoed to the screen\n");
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printf("Your name? ");
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fflush(stdout);
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p = fgets(buf, sizeof(buf), stdin);
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#ifdef _WIN32
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if (GetConsoleMode(input_handle, &mode))
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SetConsoleMode(input_handle, mode | ENABLE_ECHO_INPUT);
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#endif
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if (!p)
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return NULL;
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len = strlen(p);
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if (p[len - 1] == '\n')
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p[len - 1] = 0;
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return p;
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}
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#endif
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int
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login(int s, char *uname, char *cname, char *cpass,
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int kill_proc, int utf8)
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{
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char tmp[128];
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char buf[1024];
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char *ptr;
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char *p;
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int len, code;
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if (!expect(s, C_INIT, buf))
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return 0;
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sendcmd(s, "user", uname);
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if (!expect(s, C_CMDOK, buf)) {
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fprintf(stderr, "Server rejects your user name\n");
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return 0;
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}
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if (utf8) {
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sendcmd(s, "options", "utf-8");
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for (;;) {
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code = recvline(s, buf);
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if (code == C_CMDOK)
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break;
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if (code != C_DATA) {
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fprintf(stderr, "Server doesn't support UTF-8\n");
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return 0;
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}
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}
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}
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if (cname == NULL) {
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(void)printf("Country name? ");
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fflush(stdout);
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cname = fgets(tmp, sizeof(tmp), stdin);
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if (cname == NULL || *cname == 0)
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return 0;
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}
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len = strlen(cname);
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if (cname[len-1] == '\n')
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cname[len-1] = 0;
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sendcmd(s, "coun", cname);
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if (!expect(s, C_CMDOK, buf)) {
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(void)fprintf(stderr, "No such country\n");
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return 0;
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}
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if (cpass == NULL) {
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cpass = getpass("Your name? ");
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if (cpass == NULL || *cpass == 0)
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return 0;
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}
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(void)printf("\n");
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sendcmd(s, "pass", cpass);
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memset(cpass, 0, strlen(cpass)); /* for core dumps */
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if (!expect(s, C_CMDOK, buf)) {
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(void)fprintf(stderr, "Bad password\n");
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return 0;
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}
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if (kill_proc) {
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sendcmd(s, "kill", NULL);
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(void)printf("\n\t-=O=-\n");
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(void)expect(s, C_EXIT, buf);
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fprintf(stderr, "%s\n", buf);
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return 0;
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}
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sendcmd(s, "play", NULL);
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(void)printf("\n\t-=O=-\n");
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if (!expect(s, C_INIT, buf)) {
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fprintf(stderr, "%s\n", buf);
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return 0;
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}
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for (ptr = buf; !isspace(*ptr); ptr++) ;
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ptr++;
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p = strchr(ptr, '\n');
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if (p != NULL)
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*p = 0;
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if (atoi(ptr) != CLIENTPROTO) {
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printf("Empire client out of date; get new version!\n");
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printf(" this version: %d, current version: %d\n",
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CLIENTPROTO, atoi(ptr));
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}
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fflush(stdout);
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return 1;
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}
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