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Capsicumize col(1)

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This commit is contained in:
Baptiste Daroussin 2015-05-02 12:22:24 +00:00
parent 078fd35f79
commit e5ea68e766
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=282342
1 changed files with 19 additions and 0 deletions
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19
usr.bin/col/col.c
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@ -45,11 +45,15 @@ static char sccsid[] = "@(#)col.c 8.5 (Berkeley) 5/4/95";
#include <sys/cdefs.h>
__FBSDID("$FreeBSD$");
#include <sys/capsicum.h>
#include <err.h>
#include <errno.h>
#include <locale.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <termios.h>
#include <unistd.h>
#include <wchar.h>
#include <wctype.h>
@ -129,9 +133,24 @@ main(int argc, char **argv)
int this_line; /* line l points to */
int nflushd_lines; /* number of lines that were flushed */
int adjust, opt, warned, width;
cap_rights_t rights;
unsigned long cmd;
(void)setlocale(LC_CTYPE, "");
cap_rights_init(&rights, CAP_FSTAT, CAP_READ);
if (cap_rights_limit(STDIN_FILENO, &rights) < 0 && errno != ENOSYS)
err(1, "unable to limit rights for stdin");
cap_rights_init(&rights, CAP_FSTAT, CAP_WRITE, CAP_IOCTL);
if (cap_rights_limit(STDOUT_FILENO, &rights) < 0 && errno != ENOSYS)
err(1, "unable to limit rights for stdout");
cmd = TIOCGETA; /* required by isatty(3) in printf(3) */
if (cap_ioctls_limit(STDOUT_FILENO, &cmd, 1) < 0 && errno != ENOSYS)
err(1, "unable to limit ioctls for stdout");
if (cap_enter() < 0 && errno != ENOSYS)
err(1, "unable to enter capability mode");
max_bufd_lines = 128;
compress_spaces = 1; /* compress spaces into tabs */
while ((opt = getopt(argc, argv, "bfhl:px")) != -1)