freebsd-dev/games/battlestar/save.c
Eivind Eklund 34a13bf4cb Change games from setuid games to setgid games.
Reviewed by:	maybe@yes.no
Obtained from:	OpenBSD (mostly deraadt@openbsd.org)
1997-09-01 00:34:51 +00:00

186 lines
6.0 KiB
C

/*
* Copyright (c) 1983, 1993
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef lint
static char sccsid[] = "@(#)save.c 8.1 (Berkeley) 5/31/93";
#endif /* not lint */
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/param.h> /* MAXPATHLEN */
#include <fcntl.h>
#include "externs.h"
void
restore()
{
char *getenv();
char *home;
char home1[MAXPATHLEN];
register int n;
int tmp;
register FILE *fp;
if ( (home = getenv("HOME")) != NULL)
sprintf(home1, "%.*s/Bstar", MAXPATHLEN - 7, home);
else return;
setegid(egid);
if ((fp = fopen(home1, "r")) == 0) {
perror(home1);
setegid(getgid());
return;
}
setegid(getgid());
fread(&WEIGHT, sizeof WEIGHT, 1, fp);
fread(&CUMBER, sizeof CUMBER, 1, fp);
fread(&gclock, sizeof gclock, 1, fp);
fread(&tmp, sizeof tmp, 1, fp);
location = tmp ? dayfile : nightfile;
for (n = 1; n <= NUMOFROOMS; n++) {
fread(location[n].link, sizeof location[n].link, 1, fp);
fread(location[n].objects, sizeof location[n].objects, 1, fp);
}
fread(inven, sizeof inven, 1, fp);
fread(wear, sizeof wear, 1, fp);
fread(injuries, sizeof injuries, 1, fp);
fread(notes, sizeof notes, 1, fp);
fread(&direction, sizeof direction, 1, fp);
fread(&position, sizeof position, 1, fp);
fread(&gtime, sizeof gtime, 1, fp);
fread(&fuel, sizeof fuel, 1, fp);
fread(&torps, sizeof torps, 1, fp);
fread(&carrying, sizeof carrying, 1, fp);
fread(&encumber, sizeof encumber, 1, fp);
fread(&rythmn, sizeof rythmn, 1, fp);
fread(&followfight, sizeof followfight, 1, fp);
fread(&ate, sizeof ate, 1, fp);
fread(&snooze, sizeof snooze, 1, fp);
fread(&meetgirl, sizeof meetgirl, 1, fp);
fread(&followgod, sizeof followgod, 1, fp);
fread(&godready, sizeof godready, 1, fp);
fread(&win, sizeof win, 1, fp);
fread(&wintime, sizeof wintime, 1, fp);
fread(&matchlight, sizeof matchlight, 1, fp);
fread(&matchcount, sizeof matchcount, 1, fp);
fread(&loved, sizeof loved, 1, fp);
fread(&pleasure, sizeof pleasure, 1, fp);
fread(&power, sizeof power, 1, fp);
fread(&ego, sizeof ego, 1, fp);
}
void
save()
{
struct stat sbuf;
char *getenv();
char *home;
char home1[MAXPATHLEN];
register int n;
int tmp, fd;
FILE *fp;
home = getenv("HOME");
if (home == 0)
return;
sprintf(home1, "%.*s/Bstar", MAXPATHLEN - 7, home);
setegid(egid);
/* Try to open the file safely. */
if (stat(home1, &sbuf) < 0) {
fd = open(home1, O_WRONLY|O_CREAT|O_EXCL);
if (fd < 0) {
fprintf(stderr, "Can't create %s\n", home1);
setegid(getgid());
return;
}
} else {
if (sbuf.st_mode & S_IFLNK) {
fprintf(stderr, "No symlinks!\n");
setegid(getgid());
return;
}
fd = open(home1, O_WRONLY|O_EXCL);
if (fd < 0) {
fprintf(stderr, "Can't open %s for writing\n", home1);
setegid(getgid());
return;
}
}
if ((fp = fdopen(fd, "w")) == 0) {
perror(home1);
setegid(getgid());
return;
}
setegid(getgid());
printf("Saved in %s.\n", home1);
fwrite(&WEIGHT, sizeof WEIGHT, 1, fp);
fwrite(&CUMBER, sizeof CUMBER, 1, fp);
fwrite(&gclock, sizeof gclock, 1, fp);
tmp = location == dayfile;
fwrite(&tmp, sizeof tmp, 1, fp);
for (n = 1; n <= NUMOFROOMS; n++) {
fwrite(location[n].link, sizeof location[n].link, 1, fp);
fwrite(location[n].objects, sizeof location[n].objects, 1, fp);
}
fwrite(inven, sizeof inven, 1, fp);
fwrite(wear, sizeof wear, 1, fp);
fwrite(injuries, sizeof injuries, 1, fp);
fwrite(notes, sizeof notes, 1, fp);
fwrite(&direction, sizeof direction, 1, fp);
fwrite(&position, sizeof position, 1, fp);
fwrite(&gtime, sizeof gtime, 1, fp);
fwrite(&fuel, sizeof fuel, 1, fp);
fwrite(&torps, sizeof torps, 1, fp);
fwrite(&carrying, sizeof carrying, 1, fp);
fwrite(&encumber, sizeof encumber, 1, fp);
fwrite(&rythmn, sizeof rythmn, 1, fp);
fwrite(&followfight, sizeof followfight, 1, fp);
fwrite(&ate, sizeof ate, 1, fp);
fwrite(&snooze, sizeof snooze, 1, fp);
fwrite(&meetgirl, sizeof meetgirl, 1, fp);
fwrite(&followgod, sizeof followgod, 1, fp);
fwrite(&godready, sizeof godready, 1, fp);
fwrite(&win, sizeof win, 1, fp);
fwrite(&wintime, sizeof wintime, 1, fp);
fwrite(&matchlight, sizeof matchlight, 1, fp);
fwrite(&matchcount, sizeof matchcount, 1, fp);
fwrite(&loved, sizeof loved, 1, fp);
fwrite(&pleasure, sizeof pleasure, 1, fp);
fwrite(&power, sizeof power, 1, fp);
fwrite(&ego, sizeof ego, 1, fp);
}