constrain to MAXHOSTNAMELEN

1 files changed, 7 insertions, 2 deletions

diff --git a/src/lib/libc/net/getnetent.c b/src/lib/libc/net/getnetent.c
index 862596c40f..8c3ced2214 100644
--- a/src/lib/libc/net/getnetent.c
+++ b/src/lib/libc/net/getnetent.c
@@ -32,7 +32,7 @@
  */
 
 #if defined(LIBC_SCCS) && !defined(lint)
-static char rcsid[] = "$OpenBSD: getnetent.c,v 1.4 1996/08/19 08:28:47 tholo Exp $";
+static char rcsid[] = "$OpenBSD: getnetent.c,v 1.5 1996/09/03 07:27:45 deraadt Exp $";
 #endif /* LIBC_SCCS and not lint */
 
 #include <sys/types.h>
@@ -91,6 +91,8 @@ again:
                 goto again;
         *cp = '\0';
         net.n_name = p;
+        if (strlen(net.n_name) >= MAXHOSTNAMELEN-1)
+                net.n_name[MAXHOSTNAMELEN-1] = '\0';
         cp = strpbrk(p, " \t");
         if (cp == NULL)
                 goto again;
@@ -110,8 +112,11 @@ again:
                         cp++;
                         continue;
                 }
-                if (q < &net_aliases[MAXALIASES - 1])
+                if (q < &net_aliases[MAXALIASES - 1]) {
                         *q++ = cp;
+                        if (strlen(cp) >= MAXHOSTNAMELEN-1)
+                                cp[MAXHOSTNAMELEN-1] = '\0';
+                }
                 cp = strpbrk(cp, " \t");
                 if (cp != NULL)
                         *cp++ = '\0';