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gpg: Fix regression in packet parser from Aug 19.

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* g10/parse-packet.c (parse): Use an int to compare to -1.  Use
buf32_to_ulong.
--

Regression-due-to: 0add91ae1ca3718e8140af09294c595f47c958d3
Signed-off-by: Werner Koch <wk@gnupg.org>
This commit is contained in:
Werner Koch 2015-08-23 12:17:43 +02:00
parent 00def10d36
commit 88317ae8c8
No known key found for this signature in database
GPG Key ID: E3FDFF218E45B72B
1 changed files with 8 additions and 15 deletions
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23
g10/parse-packet.c
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@ -558,27 +558,20 @@ parse (IOBUF inp, PACKET * pkt, int onlykeypkts, off_t * retpos,
else if (c == 255)
{
int i;
int eof = 0;
char value[4];
for (i = 0; i < 4; i ++)
if ((value[i] = hdr[hdrlen++] = iobuf_get (inp)) == -1)
{
eof = 1;
break;
}
if (eof)
{
log_error ("%s: 4 byte length invalid\n", iobuf_where (inp));
rc = gpg_error (GPG_ERR_INV_PACKET);
goto leave;
if ((c = iobuf_get (inp)) == -1)
{
log_error ("%s: 4 byte length invalid\n", iobuf_where (inp));
rc = gpg_error (GPG_ERR_INV_PACKET);
goto leave;
}
value[i] = hdr[hdrlen++] = c;
}
pktlen = (((unsigned long) value[0] << 24)
| ((unsigned long) value[1] << 16)
| ((unsigned long) value[2] << 8)
| ((unsigned long) value[3]));
pktlen = buf32_to_ulong (value);
}
else /* Partial body length. */
{