Markus Armbruster
421119e1f1
Always failed with an empty message, due to misuse of fwrite().
Broken in commit df7dc203, v4.2.20.
133 lines
3.7 KiB
C
133 lines
3.7 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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* turn.c: Turn the game on, off, or set the login message.
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*
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* Known contributors to this file:
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* Marc Olzheim, 2004
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*/
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#include <config.h>
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#include <errno.h>
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#include <unistd.h>
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#include "game.h"
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#include "tel.h"
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#include "commands.h"
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#include "optlist.h"
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/*
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* Enable / disable logins and set the message of the day.
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*/
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int
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turn(void)
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{
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FILE *fptr;
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struct telstr tgm;
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char *p;
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char buf[1024];
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char msgbuf[MAXTELSIZE + 1]; /* UTF-8 */
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char *msgfilepath;
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int len;
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p = getstarg(player->argp[1], "on, off or motd? ", buf);
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if (!p)
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return RET_SYN;
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if (strcmp(p, "off") == 0) {
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msgfilepath = downfil;
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} else if (strcmp(p, "on") == 0) {
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pr("Removing no-login message and re-enabling logins.\n");
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if ((unlink(downfil) == -1) && (errno != ENOENT)) {
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pr("Could not remove no-login file, logins still disabled.\n");
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logerror("Could not remove no-login file (%s).\n", downfil);
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return RET_FAIL;
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}
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game_ctrl_play(1);
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return RET_OK;
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} else {
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msgfilepath = motdfil;
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}
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if (msgfilepath == downfil)
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pr("Enter a message shown to countries trying to log in.\n");
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else
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pr("Enter a new message of the day.\n");
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len = getele("The World", msgbuf);
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if (len < 0) {
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pr("Ignored\n");
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if (msgfilepath == downfil)
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pr("NOT disabling logins.\n");
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return RET_FAIL;
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}
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if (len == 0) {
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if (msgfilepath == motdfil) {
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pr("Removing exsting motd.\n");
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if ((unlink(msgfilepath) == -1) && (errno != ENOENT)) {
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pr("Could not remove motd.\n");
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logerror("Could not remove motd file (%s).\n",
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msgfilepath);
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return RET_FAIL;
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}
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return RET_OK;
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} else
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pr("Writing empty no-login message.\n");
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}
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fptr = fopen(msgfilepath, "wb");
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if (fptr == NULL) {
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pr("Something went wrong opening the message file.\n");
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logerror("Could not open message file (%s).\n", msgfilepath);
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return RET_FAIL;
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}
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if (msgfilepath == downfil)
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pr("Logins disabled.\n");
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memset(&tgm, 0, sizeof(tgm));
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time(&tgm.tel_date);
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tgm.tel_length = len;
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if (fwrite(&tgm, sizeof(tgm), 1, fptr) != 1 ||
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fwrite(msgbuf, 1, tgm.tel_length, fptr) != tgm.tel_length) {
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fclose(fptr);
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pr("Something went wrong writing the message file.\n");
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logerror("Could not properly write message file (%s).\n",
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msgfilepath);
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return RET_FAIL;
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}
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if (fclose(fptr)) {
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pr("Something went wrong closing the message.\n");
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logerror("Could not properly close message file (%s).\n",
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msgfilepath);
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return RET_FAIL;
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}
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pr("\n");
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game_ctrl_play(0);
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return RET_OK;
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}
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