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Be extra paranoid about trusting the size of the address returned from
gethostbyaddr. Submitted by: Julian Assange
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Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=31954
@ -42,7 +42,7 @@ static const char copyright[] =
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static char sccsid[] = "@(#)ifconfig.c 8.2 (Berkeley) 2/16/94";
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*/
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static const char rcsid[] =
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"$Id: ifconfig.c,v 1.31 1997/10/16 03:55:28 peter Exp $";
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"$Id: ifconfig.c,v 1.32 1997/10/27 03:28:44 steve Exp $";
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#endif /* not lint */
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#include <sys/param.h>
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@ -1035,7 +1035,7 @@ in_getaddr(s, which)
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if (inet_aton(s, &sin->sin_addr))
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return;
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if ((hp = gethostbyname(s)) != 0)
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bcopy(hp->h_addr, (char *)&sin->sin_addr, hp->h_length);
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bcopy(hp->h_addr, (char *)&sin->sin_addr, MIN(hp->h_length, sizeof(sin->sin_addr)));
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else if ((np = getnetbyname(s)) != 0)
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sin->sin_addr = inet_makeaddr(np->n_net, INADDR_ANY);
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else
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