Ensure a terminating null when processing hostname strings from

arbitrary sources.
Obtained from:	OpenBSD
This commit is contained in:
Chris Timmons 1998-12-29 23:14:50 +00:00
parent 7a91724556
commit c807beb495
Notes: svn2git 2020-12-20 02:59:44 +00:00
svn path=/head/; revision=42154

View file

@ -42,7 +42,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)syslogd.c 8.3 (Berkeley) 4/4/94";
#endif
static const char rcsid[] =
"$Id: syslogd.c,v 1.44 1998/12/28 00:39:14 cwt Exp $";
"$Id: syslogd.c,v 1.45 1998/12/29 20:36:22 cwt Exp $";
#endif /* not lint */
/*
@ -741,7 +741,8 @@ logmsg(pri, msg, from, flags)
f->f_prevpri = pri;
(void)strncpy(f->f_lasttime, timestamp, 15);
(void)strncpy(f->f_prevhost, from,
sizeof(f->f_prevhost));
sizeof(f->f_prevhost)-1);
f->f_prevhost[sizeof(f->f_prevhost)-1] = '\0';
if (msglen < MAXSVLINE) {
f->f_prevlen = msglen;
(void)strcpy(f->f_prevline, msg);
@ -1466,8 +1467,10 @@ cfline(line, f, prog)
switch (*p)
{
case '@':
(void)strcpy(f->f_un.f_forw.f_hname, ++p);
hp = gethostbyname(p);
(void)strncpy(f->f_un.f_forw.f_hname, ++p,
sizeof(f->f_un.f_forw.f_hname)-1);
f->f_un.f_forw.f_hname[sizeof(f->f_un.f_forw.f_hname)-1] = '\0';
hp = gethostbyname(f->f_un.f_forw.f_hname);
if (hp == NULL) {
extern int h_errno;