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fixes from cgd: 

* sanity check a length (otherwise certain bogus responses can crash ftp)
* allow a transfer encoding type of `binary'; certain firewall vendors
  return this bogus type...
This commit is contained in:
lukem 2000-04-13 08:17:56 +00:00
parent 031f2ed4b1
commit d54eded2a0
1 changed files with 10 additions and 2 deletions
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12
usr.bin/ftp/fetch.c
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@ -1,4 +1,4 @@
/* $NetBSD: fetch.c,v 1.108 2000/04/13 08:13:31 lukem Exp $ */
/* $NetBSD: fetch.c,v 1.109 2000/04/13 08:17:56 lukem Exp $ */
/*-
* Copyright (c) 1997-1999 The NetBSD Foundation, Inc.
@ -38,7 +38,7 @@
#include <sys/cdefs.h>
#ifndef lint
__RCSID("$NetBSD: fetch.c,v 1.108 2000/04/13 08:13:31 lukem Exp $");
__RCSID("$NetBSD: fetch.c,v 1.109 2000/04/13 08:17:56 lukem Exp $");
#endif /* not lint */
/*
@ -628,6 +628,8 @@ fetch_url(url, proxyenv, proxyauth, wwwauth)
continue;
}
plen = strlen(cp);
if (hlen < plen)
continue;
if (strncasecmp(host + hlen - plen,
cp, plen) == 0) {
isproxy = 0;
@ -1000,6 +1002,12 @@ fetch_url(url, proxyenv, proxyauth, wwwauth)
} else if (strncasecmp(cp, TRANSENC,
sizeof(TRANSENC) - 1) == 0) {
cp += sizeof(TRANSENC) - 1;
if (strcasecmp(cp, "binary") == 0) {
warnx(
"Bogus transfer encoding - `%s' (fetching anyway)",
cp);
continue;
}
if (strcasecmp(cp, "chunked") != 0) {
warnx(
"Unsupported transfer encoding - `%s'",