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Capsicumify last(1)

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Reviewed by:	ed (earlier version), emaste (earlier version)
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D8001
This commit is contained in:
Conrad Meyer 2016-12-16 01:47:08 +00:00
parent ec055aeff5
commit 941e22d17d
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=310139
1 changed files with 16 additions and 3 deletions
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19
usr.bin/last/last.c
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@ -40,8 +40,11 @@ static const char sccsid[] = "@(#)last.c 8.2 (Berkeley) 4/2/94";
__FBSDID("$FreeBSD$");
#include <sys/param.h>
#include <sys/capsicum.h>
#include <sys/queue.h>
#include <sys/stat.h>
#include <capsicum_helpers.h>
#include <err.h>
#include <errno.h>
#include <fcntl.h>
@ -56,7 +59,6 @@ __FBSDID("$FreeBSD$");
#include <timeconv.h>
#include <unistd.h>
#include <utmpx.h>
#include <sys/queue.h>
#define NO 0 /* false/no */
#define YES 1 /* true/yes */
@ -176,6 +178,19 @@ main(int argc, char *argv[])
usage();
}
if (caph_limit_stdio() < 0)
err(1, "can't limit stdio rights");
caph_cache_catpages();
caph_cache_tzdata();
/* Cache UTX database. */
if (setutxdb(UTXDB_LOG, file) != 0)
err(1, "%s", file != NULL ? file : "(default utx db)");
if (cap_enter() < 0 && errno != ENOSYS)
err(1, "cap_enter");
if (sflag && width == 8) usage();
if (argc) {
@ -213,8 +228,6 @@ wtmp(void)
(void)time(&t);
/* Load the last entries from the file. */
if (setutxdb(UTXDB_LOG, file) != 0)
err(1, "%s", file);
while ((ut = getutxent()) != NULL) {
if (amount % 128 == 0) {
buf = realloc(buf, (amount + 128) * sizeof *ut);