2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2007, 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 * login.c: Log into an empire server
30 * Known contributors to this file:
48 login(int s, char *uname, char *cname, char *cpass,
49 int kill_proc, int utf8)
57 if (!expect(s, C_INIT, buf))
59 sendcmd(s, "user", uname);
60 if (!expect(s, C_CMDOK, buf)) {
61 fprintf(stderr, "Server rejects your user name\n");
65 sendcmd(s, "options", "utf-8");
67 code = recvline(s, buf);
71 fprintf(stderr, "Server doesn't support UTF-8\n");
77 (void)printf("Country name? ");
79 cname = fgets(tmp, sizeof(tmp), stdin);
80 if (cname == NULL || *cname == 0)
84 if (cname[len-1] == '\n')
86 sendcmd(s, "coun", cname);
87 if (!expect(s, C_CMDOK, buf)) {
88 (void)fprintf(stderr, "No such country\n");
92 cpass = getpass("Your name? ");
93 if (cpass == NULL || *cpass == 0)
97 sendcmd(s, "pass", cpass);
98 memset(cpass, 0, strlen(cpass)); /* for core dumps */
99 if (!expect(s, C_CMDOK, buf)) {
100 (void)fprintf(stderr, "Bad password\n");
104 sendcmd(s, "kill", NULL);
105 (void)printf("\n\t-=O=-\n");
106 (void)expect(s, C_EXIT, buf);
107 fprintf(stderr, "%s\n", buf);
110 sendcmd(s, "play", NULL);
111 (void)printf("\n\t-=O=-\n");
112 if (!expect(s, C_INIT, buf)) {
113 fprintf(stderr, "%s\n", buf);
116 for (ptr = buf; !isspace(*ptr); ptr++) ;
118 p = strchr(ptr, '\n');
121 if (atoi(ptr) != CLIENTPROTO) {
122 printf("Empire client out of date; get new version!\n");
123 printf(" this version: %d, current version: %d\n",
124 CLIENTPROTO, atoi(ptr));