diff options
| author | Theo de Raadt <deraadt@cvs.openbsd.org> | 2015-10-04 18:49:31 +0000 |
|---|---|---|
| committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 2015-10-04 18:49:31 +0000 |
| commit | c945f58d0b75d4bfbe966aa8285cc37578ddeeaa (patch) | |
| tree | 183aa8d75eb59397f560a4bf44d50a0c37d2bbd5 /sbin | |
| parent | db728ac8d9c0997cd0d1fd9b6d51f87047839f44 (diff) | |
dmesg has two modes. The normal sysctl mode, and the -M/-N kvm searcher.
In both cases once the relevant setup is done, it can drop to tame "stdio".
Diffstat (limited to 'sbin')
| -rw-r--r-- | sbin/dmesg/dmesg.c | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/sbin/dmesg/dmesg.c b/sbin/dmesg/dmesg.c index 53455ec3318..28c83f56c8d 100644 --- a/sbin/dmesg/dmesg.c +++ b/sbin/dmesg/dmesg.c @@ -1,4 +1,4 @@ -/* $OpenBSD: dmesg.c,v 1.25 2015/01/16 06:39:57 deraadt Exp $ */ +/* $OpenBSD: dmesg.c,v 1.26 2015/10/04 18:49:30 deraadt Exp $ */ /* $NetBSD: dmesg.c,v 1.8 1995/03/18 14:54:49 cgd Exp $ */ /*- @@ -108,6 +108,9 @@ main(int argc, char *argv[]) if (sysctl(mib, 2, bufdata, &len, NULL, 0)) err(1, "sysctl: KERN_MSGBUF"); + if (tame("stdio", NULL) == -1) + err(1, "tame"); + memcpy(&cur, bufdata, sizeof(cur)); bufdata = ((struct msgbuf *)bufdata)->msg_bufc; } else { @@ -120,6 +123,9 @@ main(int argc, char *argv[]) "dmesg")) == NULL) return (1); + if (tame("stdio", NULL) == -1) + err(1, "tame"); + if (kvm_nlist(kd, nl) == -1) errx(1, "kvm_nlist: %s", kvm_geterr(kd)); if (nl[X_MSGBUF].n_type == 0) |