2 * Empire - A multi-player, client/server Internet based war game.
3 * Copyright (C) 1986-2006, 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: Allow the player to login
30 * Known contributors to this file:
33 * Markus Armbruster, 2004-2005
39 #include "prototypes.h"
44 #include "empthread.h"
56 #include <netinet/in.h>
60 extern struct cmndstr login_coms[];
65 player_login(void *ud)
72 player->proc = empth_self();
74 pr_id(player, C_INIT, "Empire server ready\n");
76 while (!io_eof(player->iop) && !io_error(player->iop)) {
77 io_output(player->iop, IO_WAIT);
78 if (io_gets(player->iop, buf, sizeof(buf)) < 0) {
79 io_input(player->iop, IO_WAIT);
82 ac = parse(buf, player->argp, NULL, space, NULL);
83 cmd = comtch(player->argp[0], login_coms, 0);
85 pr_id(player, C_BADCMD, "Command %s not found\n", player->argp[0]);
88 switch (login_coms[cmd].c_addr()) {
94 pr_id(player, C_BADCMD, "Usage %s\n", login_coms[cmd].c_form);
99 if (player->state >= PS_SHUTDOWN)
102 player->state = PS_SHUTDOWN;
103 if (!io_eof(player->iop)) {
104 pr_id(player, C_EXIT, "so long...\n");
105 io_noblocking(player->iop, 0);
106 while (io_output(player->iop, IO_WAIT) > 0) ;
108 player_delete(player);
118 if (!player->argp[1])
121 for (i = 1; player->argp[i]; ++i) {
123 strncat(player->client, " ", sizeof(player->client) - 1);
124 strncat(player->client, player->argp[i], sizeof(player->client) - 1);
126 player->client[sizeof(player->client) - 1] = '\0';
127 pr_id(player, C_CMDOK, "talking to %s\n", player->client);
134 if (!player->argp[1])
136 strncpy(player->userid, player->argp[1], sizeof(player->userid) - 1);
137 player->userid[sizeof(player->userid) - 1] = '\0';
138 pr_id(player, C_CMDOK, "hello %s\n", player->userid);
150 pr_id(player, C_BADCMD, "Command %s not found\n", player->argp[0]);
154 snxtitem_all(&ni, EF_NATION);
155 while (nxtitem(&ni, &nat)) {
156 if (nat.nat_stat != STAT_SANCT)
159 pr_id(player, C_DATA,
160 "The following countries are still in sanctuary:\n");
163 pr_id(player, C_DATA, "%s\n", nat.nat_cnam);
166 pr_id(player, C_CMDOK, "There are no countries in sanctuary\n");
168 pr_id(player, C_CMDOK, "\n");
177 if (!player->argp[1])
179 if (natbyname(player->argp[1], &cnum) < 0) {
180 pr_id(player, C_CMDERR, "country %s does not exist\n", player->argp[1]);
184 player->authenticated = 0;
185 pr_id(player, C_CMDOK, "country name %s\n", player->argp[1]);
192 if (!player->argp[1])
194 if (player->cnum == 255) {
195 pr_id(player, C_CMDERR, "need country first\n");
198 if (!natpass(player->cnum, player->argp[1])) {
199 pr_id(player, C_CMDERR, "password bad, logging entry\n");
200 logerror("%s tried country #%d with %s",
201 praddr(player), player->cnum, player->argp[1]);
204 player->authenticated = 1;
205 pr_id(player, C_CMDOK, "password ok\n");
206 logerror("%s using country #%d", praddr(player), player->cnum);
214 * The option mechanism allows arbitrary string values, but so far
215 * all options are flags in struct player. Should be easy to
216 * generalize if needed.
222 static struct logoptstr login_opts[] = {
230 if (!player->argp[1]) {
231 for (i = 0; i < sizeof(login_opts) / sizeof(*login_opts); ++i)
232 pr_id(player, C_DATA, "%s=%d\n",
234 (player->flags & login_opts[i].val) != 0);
235 pr_id(player, C_CMDOK, "\n");
239 for (ap = player->argp+1; *ap; ++ap) {
240 p = strchr(*ap, '=');
243 opt = stmtch(*ap, login_opts,
244 offsetof(struct logoptstr, name),
245 sizeof(struct logoptstr));
247 pr_id(player, C_BADCMD, "Option %s not found\n", *ap);
251 player->flags |= login_opts[opt].val;
253 player->flags &= ~login_opts[opt].val;
256 pr_id(player, C_CMDOK, "Accepted\n");
266 if (player->cnum == 255 || !player->authenticated) {
267 pr_id(player, C_CMDERR, "need country and password\n");
270 /* TODO strstr() cheesy, compare IP against IP/BITS ... */
271 np = getnatp(player->cnum);
272 if (np->nat_stat == STAT_GOD && *privip
273 && !strstr(privip, player->hostaddr)) {
274 logerror("Deity login from untrusted host attempted by %s",
276 logerror("To allow this, add %s to econfig key privip",
278 pr_id(player, C_EXIT,
279 "Deity login not allowed from this IP!"
280 " See log for help on how to allow it.\n");
289 struct player *other;
296 strncpy(player->userid, *ap, sizeof(player->userid) - 1);
297 player->userid[sizeof(player->userid) - 1] = '\0';
298 player->authenticated = 0;
301 if (natbyname(*ap, &cnum) < 0) {
302 pr_id(player, C_CMDERR, "country %s does not exist\n", *ap);
307 if (!natpass(cnum, *ap)) {
308 pr_id(player, C_CMDERR, "password bad, logging entry\n");
309 logerror("%s tried country #%d with %s",
310 praddr(player), cnum, *ap);
314 player->authenticated = 1;
318 other = getplayer((natid)player->cnum);
320 natp = getnatp(player->cnum);
321 if (natp->nat_stat != STAT_VIS) {
322 pr_id(player, C_EXIT, "country in use by %s\n", praddr(other));
324 pr_id(player, C_EXIT, "country in use\n");
328 logerror("%s logged in as country #%d", praddr(player), player->cnum);
329 pr_id(player, C_INIT, "%d\n", CLIENTPROTO);
331 logerror("%s logged out, country #%d", praddr(player), player->cnum);
332 player->state = PS_SHUTDOWN;
339 struct player *other;
343 other = getplayer(player->cnum);
345 pr_id(player, C_EXIT, "country not in use\n");
348 logerror("%s killed country #%d", praddr(player), player->cnum);
349 io_shutdown(other->iop, IO_READ | IO_WRITE);
350 pr_id(player, C_EXIT, "closed socket of offending job\n");
357 pr_id(player, C_EXIT, "so long\n");
358 io_shutdown(player->iop, IO_READ);
362 static struct cmndstr login_coms[] = {
363 {"client client-id...", 0, client_cmd, 0, 0},
364 {"coun country", 0, coun_cmd, 0, 0},
365 {"kill", 0, kill_cmd, 0, 0},
366 {"options option=value...", 0, options_cmd, 0, 0},
367 {"pass password", 0, pass_cmd, 0, 0},
368 {"play [user [country [password]]]", 0, play_cmd, 0, 0},
369 {"quit", 0, quit_cmd, 0, 0},
370 {"sanc", 0, sanc_cmd, 0, 0},
371 {"user name", 0, user_cmd, 0, 0},