diff options
Diffstat (limited to 'usr.bin/who/who.c')
| -rw-r--r-- | usr.bin/who/who.c | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/usr.bin/who/who.c b/usr.bin/who/who.c index 7eca651ec02..02cfb420543 100644 --- a/usr.bin/who/who.c +++ b/usr.bin/who/who.c @@ -1,4 +1,4 @@ -/* $OpenBSD: who.c,v 1.27 2015/10/21 16:06:57 millert Exp $ */ +/* $OpenBSD: who.c,v 1.28 2018/08/08 22:55:14 deraadt Exp $ */ /* $NetBSD: who.c,v 1.4 1994/12/07 04:28:49 jtc Exp $ */ /* @@ -74,7 +74,7 @@ main(int argc, char *argv[]) setlocale(LC_ALL, ""); - if (pledge("stdio rpath getpw", NULL) == -1) + if (pledge("stdio unveil rpath getpw", NULL) == -1) err(1, "pledge"); if ((mytty = ttyname(0))) { @@ -122,8 +122,12 @@ main(int argc, char *argv[]) if (show_labels) output_labels(); + if (unveil(_PATH_UTMP, "r") == -1) + err(1, "unveil"); switch (argc) { case 0: /* who */ + if (pledge("stdio rpath getpw", NULL) == -1) + err(1, "pledge"); ufp = file(_PATH_UTMP); if (only_current_term) { @@ -150,6 +154,10 @@ main(int argc, char *argv[]) } break; case 1: /* who utmp_file */ + if (unveil(*argv, "r") == -1) + err(1, "unveil"); + if (pledge("stdio rpath getpw", NULL) == -1) + err(1, "pledge"); ufp = file(*argv); if (only_current_term) { @@ -175,6 +183,8 @@ main(int argc, char *argv[]) } break; case 2: /* who am i */ + if (pledge("stdio rpath getpw", NULL) == -1) + err(1, "pledge"); ufp = file(_PATH_UTMP); who_am_i(ufp); break; |