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Prevent a non-exploitable remote buffer overflow.

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Reported by:	twitch <twitch@vicar.org>
Submitted by:	Guido van Rooij <guido@gvr.org>
Reviewed by:	security-officer
This commit is contained in:
Kris Kennaway 2000-06-08 03:54:45 +00:00
parent 9369c9fb75
commit a8cc952fab
1 changed files with 3 additions and 3 deletions
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6
usr.sbin/syslogd/syslogd.c
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@ -1791,10 +1791,10 @@ validate(sin, hname)
/* traditional behaviour, allow everything */
return 1;
strncpy(name, hname, sizeof name);
strlcpy(name, hname, sizeof name);
if (strchr(name, '.') == NULL) {
strncat(name, ".", sizeof name - strlen(name) - 1);
strncat(name, LocalDomain, sizeof name - strlen(name) - 1);
strlcat(name, ".", sizeof name);
strlcat(name, LocalDomain, sizeof name);
}
dprintf("validate: dgram from IP %s, port %d, name %s;\n",
addr2ascii(AF_INET, &sin->sin_addr, sizeof(struct in_addr), 0),