diff options
| -rw-r--r-- | usr.bin/mixerctl/mixerctl.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/usr.bin/mixerctl/mixerctl.c b/usr.bin/mixerctl/mixerctl.c index fc5ac5733b6..913462d3290 100644 --- a/usr.bin/mixerctl/mixerctl.c +++ b/usr.bin/mixerctl/mixerctl.c @@ -1,4 +1,4 @@ -/* $OpenBSD: mixerctl.c,v 1.30 2015/02/08 23:40:34 deraadt Exp $ */ +/* $OpenBSD: mixerctl.c,v 1.31 2018/08/08 19:35:47 mestre Exp $ */ /* $NetBSD: mixerctl.c,v 1.11 1998/04/27 16:55:23 augustss Exp $ */ /* @@ -283,10 +283,20 @@ main(int argc, char **argv) if (argc == 0 && tflag == 0) aflag = 1; - - if ((fd = open(file, O_RDWR)) == -1) + + if (unveil(file, "rw") == -1) + err(1, "unveil"); + + if ((fd = open(file, O_RDWR)) == -1) { + if (unveil(file, "r") == -1) + err(1, "unveil"); + if ((fd = open(file, O_RDONLY)) == -1) err(1, "%s", file); + } + + if (unveil(NULL, NULL) == -1) + err(1, "unveil"); for (ndev = 0; ; ndev++) { dinfo.index = ndev; |