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Fix various buffer overflows that may or may not be exploitable.

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Fixes PR 2588

Reviewed by:	Dan Cross?
Submitted by:	Julian Assange
This commit is contained in:
Warner Losh 1997-03-24 06:01:39 +00:00
parent a51e2c9b04
commit 0f5e6a0d00
1 changed files with 7 additions and 5 deletions
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12
libexec/rlogind/rlogind.c
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@ -30,7 +30,7 @@
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id$
* $Id: rlogind.c,v 1.15 1997/02/22 14:22:08 peter Exp $
*/
#ifndef lint
@ -226,10 +226,12 @@ doit(f, fromp)
fromp->sin_port = ntohs((u_short)fromp->sin_port);
hp = gethostbyaddr((char *)&fromp->sin_addr, sizeof(struct in_addr),
fromp->sin_family);
if (hp)
(void)strcpy(hostname, hp->h_name);
else
(void)strcpy(hostname, inet_ntoa(fromp->sin_addr));
if (hp) {
(void)strncpy(hostname, hp->h_name, sizeof(hostname));
} else {
(void)strncpy(hostname, inet_ntoa(fromp->sin_addr), sizeof(hostname));
}
hostname[sizeof(hostname) - 1] = '\0';
#ifdef KERBEROS
if (use_kerberos) {