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- markus@cvs.openbsd.org 2002/06/06 17:12:44 

[sftp-server.c]
     discard remaining bytes of current request; ok provos@
This commit is contained in:
Ben Lindstrom 2002-06-06 21:57:54 +00:00
parent d9d6ab6372
commit 2c14047ada
2 changed files with 19 additions and 4 deletions
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5
ChangeLog
View File

@ -124,6 +124,9 @@
- stevesk@cvs.openbsd.org 2002/06/06 01:09:41
[monitor.h]
no trailing comma in enum; china@thewrittenword.com
- markus@cvs.openbsd.org 2002/06/06 17:12:44
[sftp-server.c]
discard remaining bytes of current request; ok provos@
20020604
- (stevesk) [channels.c] bug #164 patch from YOSHIFUJI Hideaki (changed
@ -808,4 +811,4 @@
- (stevesk) entropy.c: typo in debug message
- (djm) ssh-keygen -i needs seeded RNG; report from markus@
$Id: ChangeLog,v 1.2177 2002/06/06 21:57:01 mouring Exp $
$Id: ChangeLog,v 1.2178 2002/06/06 21:57:54 mouring Exp $

18
sftp-server.c
View File

@ -22,7 +22,7 @@
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
RCSID("$OpenBSD: sftp-server.c,v 1.33 2002/02/13 00:28:13 markus Exp $");
RCSID("$OpenBSD: sftp-server.c,v 1.34 2002/06/06 17:12:44 markus Exp $");
#include "buffer.h"
#include "bufaux.h"
@ -956,10 +956,13 @@ static void
process(void)
{
u_int msg_len;
u_int buf_len;
u_int consumed;
u_int type;
u_char *cp;
if (buffer_len(&iqueue) < 5)
buf_len = buffer_len(&iqueue);
if (buf_len < 5)
return; /* Incomplete message. */
cp = buffer_ptr(&iqueue);
msg_len = GET_32BIT(cp);
@ -967,9 +970,10 @@ process(void)
error("bad message ");
exit(11);
}
if (buffer_len(&iqueue) < msg_len + 4)
if (buf_len < msg_len + 4)
return;
buffer_consume(&iqueue, 4);
buf_len -= 4;
type = buffer_get_char(&iqueue);
switch (type) {
case SSH2_FXP_INIT:
@ -1036,6 +1040,14 @@ process(void)
error("Unknown message %d", type);
break;
}
/* discard the remaining bytes from the current packet */
if (buf_len < buffer_len(&iqueue))
fatal("iqueue grows");
consumed = buf_len - buffer_len(&iqueue);
if (msg_len < consumed)
fatal("msg_len %d < consumed %d", msg_len, consumed);
if (msg_len > consumed)
buffer_consume(&iqueue, msg_len - consumed);
}
int