diff options
| author | Paul Traina <pst@FreeBSD.org> | 1996-05-30 02:18:44 +0000 |
|---|---|---|
| committer | Paul Traina <pst@FreeBSD.org> | 1996-05-30 02:18:44 +0000 |
| commit | 661a5e433a9a2afc2c622f06524018ebd7d7bc04 (patch) | |
| tree | 1e97cf6b0399d73829f5a8315c6ea65afda4bdfc /usr.bin/ipcs/ipcs.c | |
| parent | cd73303c45bb6e18046b71e3675856499c414f07 (diff) | |
Notes
Diffstat (limited to 'usr.bin/ipcs/ipcs.c')
| -rw-r--r-- | usr.bin/ipcs/ipcs.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/usr.bin/ipcs/ipcs.c b/usr.bin/ipcs/ipcs.c index cd4e5cc3c3b8..a755b918be42 100644 --- a/usr.bin/ipcs/ipcs.c +++ b/usr.bin/ipcs/ipcs.c @@ -24,7 +24,7 @@ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * - * $Id: ipcs.c,v 1.3 1994/09/19 10:24:38 davidg Exp $ + * $Id: ipcs.c,v 1.4 1995/07/12 19:10:17 bde Exp $ */ #include <stdio.h> @@ -185,6 +185,14 @@ main(argc, argv) default: usage(); } + + /* + * Discard setgid privileges if not the running kernel so that bad + * guys can't print interesting stuff from kernel memory. + */ + if (namelist != NULL || core != NULL) + setgid(getgid()); + if ((kd = kvm_open(namelist, core, NULL, O_RDONLY, "ipcs")) == NULL) exit(1); |