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Fix a buffer overflow problem (not a security issue). Thanks to Joe.

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This commit is contained in:
Ted Lemon
2000-05-30 21:43:42 +00:00
parent 67569fa648
commit 7bb809483c
1 changed files with 4 additions and 1 deletions
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5
client/dhclient.c
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@@ -41,7 +41,7 @@
#ifndef lint #ifndef lint
static char ocopyright[] = static char ocopyright[] =
"$Id: dhclient.c,v 1.103 2000/05/30 21:17:04 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 Internet Software Consortium. All rights reserved.\n"; "$Id: dhclient.c,v 1.104 2000/05/30 21:43:42 mellon Exp $ Copyright (c) 1995, 1996, 1997, 1998, 1999 Internet Software Consortium. All rights reserved.\n";
#endif /* not lint */ #endif /* not lint */
#include "dhcpd.h" #include "dhcpd.h"
@@ -179,6 +179,9 @@ int main (argc, argv, envp)
if (status != ISC_R_SUCCESS) if (status != ISC_R_SUCCESS)
log_fatal ("Can't record interface %s:%s", log_fatal ("Can't record interface %s:%s",
argv [i], isc_result_totext (status)); argv [i], isc_result_totext (status));
if (strlen (argv [i]) > sizeof tmp -> name)
log_fatal ("%s: interface name too long (max %d)",
argv [i], strlen (argv [i]));
strcpy (tmp -> name, argv [i]); strcpy (tmp -> name, argv [i]);
if (interfaces) { if (interfaces) {
interface_reference (&tmp -> next, interface_reference (&tmp -> next,