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Drop setgid privileges early. Derived from OpenBSD and sent in as PR 5970

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by Joseph Myers <jsm28@cam.ac.uk>.
This commit is contained in:
hubertf 1999-07-21 03:56:53 +00:00
parent 01ec1d5609
commit 054e79fedd
3 changed files with 25 additions and 13 deletions
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7
games/battlestar/battlestar.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: battlestar.c,v 1.6 1997/10/11 02:06:55 lukem Exp $ */
/* $NetBSD: battlestar.c,v 1.7 1999/07/21 03:56:53 hubertf Exp $ */
/*
* Copyright (c) 1983, 1993
@ -43,7 +43,7 @@ __COPYRIGHT("@(#) Copyright (c) 1983, 1993\n\
#if 0
static char sccsid[] = "@(#)battlestar.c 8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: battlestar.c,v 1.6 1997/10/11 02:06:55 lukem Exp $");
__RCSID("$NetBSD: battlestar.c,v 1.7 1999/07/21 03:56:53 hubertf Exp $");
#endif
#endif /* not lint */
@ -66,6 +66,9 @@ main(argc, argv)
char mainbuf[LINELENGTH];
char *next;
/* Open the score file then revoke setgid privileges */
open_score_file();
setregid(getgid(), getgid());
initialize(argc < 2 || strcmp(argv[1], "-r"));
start:
news();

28
games/battlestar/com6.c
View File

@ -1,4 +1,4 @@
/* $NetBSD: com6.c,v 1.10 1999/02/10 01:36:50 hubertf Exp $ */
/* $NetBSD: com6.c,v 1.11 1999/07/21 03:56:53 hubertf Exp $ */
/*
* Copyright (c) 1983, 1993
@ -38,7 +38,7 @@
#if 0
static char sccsid[] = "@(#)com6.c 8.2 (Berkeley) 4/28/95";
#else
__RCSID("$NetBSD: com6.c,v 1.10 1999/02/10 01:36:50 hubertf Exp $");
__RCSID("$NetBSD: com6.c,v 1.11 1999/07/21 03:56:53 hubertf Exp $");
#endif
#endif /* not lint */
@ -105,11 +105,20 @@ live()
exit(0);
}
static FILE *score_fp;
void
open_score_file()
{
score_fp = fopen(_PATH_SCORE, "a");
if (score_fp == NULL)
warn("open %s for append", _PATH_SCORE);
}
void
post(ch)
char ch;
{
FILE *fp;
struct timeval tv;
time_t tvsec;
char *date;
@ -122,17 +131,16 @@ post(ch)
tvsec = (time_t) tv.tv_sec;
date = ctime(&tvsec);
date[24] = '\0';
if ((fp = fopen(_PATH_SCORE, "a")) != NULL) {
fprintf(fp, "%s %8s %c%20s", date, uname, ch, rate());
if (score_fp != NULL) {
fprintf(score_fp, "%s %8s %c%20s", date, uname, ch, rate());
if (wiz)
fprintf(fp, " wizard\n");
fprintf(score_fp, " wizard\n");
else
if (tempwiz)
fprintf(fp, " WIZARD!\n");
fprintf(score_fp, " WIZARD!\n");
else
fprintf(fp, "\n");
} else
warn("fopen %s", _PATH_SCORE);
fprintf(score_fp, "\n");
}
sigprocmask(SIG_SETMASK, &osigset, (sigset_t *) 0);
}

3
games/battlestar/extern.h
View File

@ -1,4 +1,4 @@
/* $NetBSD: extern.h,v 1.10 1999/02/10 01:36:50 hubertf Exp $ */
/* $NetBSD: extern.h,v 1.11 1999/07/21 03:56:53 hubertf Exp $ */
/*
* Copyright (c) 1983, 1993
@ -340,6 +340,7 @@ void murder __P((void));
void news __P((void));
void newway __P((int));
void notarget __P((void));
void open_score_file __P((void));
void parse __P((void));
void post __P((char));
void printobjs __P((void));