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| author |   millert <millert@openbsd.org> | 2005-01-01 00:07:14 +0000 |
|---|---|---|
| committer | millert <millert@openbsd.org> | 2005-01-01 00:07:14 +0000 |
| commit | beab8a87ef1fc4b473117110bf24f7efa339c7d7 (patch) | |
| tree | 15f85723cbd44f2badfb8e80503aad820b28ea70 /lib | |
| parent | ip6.4 comes back, rewritten from scratch (diff) | |
| download | wireguard-openbsd-beab8a87ef1fc4b473117110bf24f7efa339c7d7.tar.xz wireguard-openbsd-beab8a87ef1fc4b473117110bf24f7efa339c7d7.zip | |
Add example; OK ian@ deraadt@ jaredy@
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libc/sys/chroot.2 | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/lib/libc/sys/chroot.2 b/lib/libc/sys/chroot.2 index 4eea335cc9d..eda3f3a4211 100644 --- a/lib/libc/sys/chroot.2 +++ b/lib/libc/sys/chroot.2 @@ -1,4 +1,4 @@ -.\" $OpenBSD: chroot.2,v 1.12 2004/01/24 16:17:50 jmc Exp $ +.\" $OpenBSD: chroot.2,v 1.13 2005/01/01 00:07:14 millert Exp $ .\" $NetBSD: chroot.2,v 1.7 1995/02/27 12:32:12 cgd Exp $ .\" .\" Copyright (c) 1983, 1991, 1993 @@ -71,6 +71,20 @@ Upon successful completion, a value of 0 is returned. Otherwise, a value of \-1 is returned and .Va errno is set to indicate an error. +.Sh EXAMPLES +The following example changes the root directory to +.Va newroot , +sets the current directory to the new root, and drops any +setuid privileges. +.Bd -literal -offset indent +#include <err.h> +#include <unistd.h> + +if (chroot(newroot) != 0 || chdir("/") != 0) + err(1, "%s", newroot); +seteuid(getuid()); +setuid(getuid()); +.Ed .Sh ERRORS .Fn chroot will fail and the root directory will be unchanged if: |