diff options
| author | mouring <mouring> | 2002-06-09 20:01:48 +0000 |
|---|---|---|
| committer | mouring <mouring> | 2002-06-09 20:01:48 +0000 |
| commit | 4d05a05c3c6d888ce053c508f81248cf55d3f28e (patch) | |
| tree | 4b484257650e8877f319c1aae8c34d2ddb70445c /ssh-keysign.c | |
| parent | 684d85ac57f55c058a516842644d4bbc873e5f1b (diff) | |
| download | openssh-4d05a05c3c6d888ce053c508f81248cf55d3f28e.tar.gz | |
- markus@cvs.openbsd.org 2002/06/08 05:07:09
[ssh-keysign.c]
only accept 20 byte session ids
Diffstat (limited to 'ssh-keysign.c')
| -rw-r--r-- | ssh-keysign.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/ssh-keysign.c b/ssh-keysign.c index 78929b2e..52092782 100644 --- a/ssh-keysign.c +++ b/ssh-keysign.c @@ -22,7 +22,7 @@ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #include "includes.h" -RCSID("$OpenBSD: ssh-keysign.c,v 1.2 2002/05/31 10:30:33 markus Exp $"); +RCSID("$OpenBSD: ssh-keysign.c,v 1.3 2002/06/08 05:07:09 markus Exp $"); #include <openssl/evp.h> @@ -60,8 +60,12 @@ valid_request(struct passwd *pw, char *host, Key **ret, u_char *data, buffer_init(&b); buffer_append(&b, data, datalen); - /* session id */ - buffer_skip_string(&b); + /* session id, currently limited to SHA1 (20 bytes) */ + p = buffer_get_string(&b, &len); + if (len != 20) + fail++; + xfree(p); + if (buffer_get_char(&b) != SSH2_MSG_USERAUTH_REQUEST) fail++; |