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Two fixes:

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1) Correct strncpy usage
	2) gethostbyaddr paranoia from Julian Assange
This commit is contained in:
Warner Losh 1997-12-24 00:59:49 +00:00
parent 71116d9863
commit 006b3faebb
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=31958
1 changed files with 8 additions and 6 deletions
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14
sbin/route/route.c
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@ -43,7 +43,7 @@ static const char copyright[] =
static char sccsid[] = "@(#)route.c 8.3 (Berkeley) 3/19/94";
*/
static const char rcsid[] =
"$Id: route.c,v 1.25 1997/06/18 06:30:34 charnier Exp $";
"$Id: route.c,v 1.26 1997/07/18 09:05:12 julian Exp $";
#endif /* not lint */
#include <sys/param.h>
@ -338,9 +338,10 @@ routename(sa)
cp = hp->h_name;
}
}
if (cp)
strncpy(line, cp, sizeof line);
else {
if (cp) {
strncpy(line, cp, sizeof(line) - 1);
line[sizeof(line) - 1] = '\0';
} else {
/* XXX - why not inet_ntoa()? */
#define C(x) (unsigned)((x) & 0xff)
in.s_addr = ntohl(in.s_addr);
@ -656,7 +657,7 @@ newroute(argc, argv)
if (af == AF_INET && *gateway && hp && hp->h_addr_list[1]) {
hp->h_addr_list++;
bcopy(hp->h_addr_list[0], &so_gate.sin.sin_addr,
hp->h_length);
MIN(hp->h_length, sizeof(so_gate.sin.sin_addr)));
} else
break;
}
@ -918,7 +919,8 @@ netdone:
if (hp) {
*hpp = hp;
su->sin.sin_family = hp->h_addrtype;
bcopy(hp->h_addr, (char *)&su->sin.sin_addr, hp->h_length);
bcopy(hp->h_addr, (char *)&su->sin.sin_addr,
MIN(hp->h_length, sizeof(su->sin.sin_addr)));
return (1);
}
errx(EX_NOHOST, "bad address: %s", s);