Fix d2i_SSL_SESSION for DTLS1_BAD_VER

Some Cisco appliances use a pre-standard version number for DTLS. We support
this as DTLS1_BAD_VER within the code.

This change fixes d2i_SSL_SESSION for that DTLS version.

Based on an original patch by David Woodhouse <dwmw2@infradead.org>

RT#3704

Reviewed-by: Tim Hudson <tjh@openssl.org>
Conflicts:
	ssl/ssl_asn1.c

diff --git a/ssl/dtls1.h b/ssl/dtls1.h
index 4af7e4a7f62ad42e67edafd8009e6cc050f52592..30bbcf278a4361a76ddf1c25119d10f5697a401b 100644 (file)
--- a/ssl/dtls1.h
+++ b/ssl/dtls1.h
@@ -86,6 +86,7 @@ extern "C" {
 # define DTLS1_VERSION                   0xFEFF
 # define DTLS1_2_VERSION                 0xFEFD
 # define DTLS_MAX_VERSION                DTLS1_2_VERSION
+# define DTLS1_VERSION_MAJOR             0xFE
 
 # define DTLS1_BAD_VER                   0x0100
 

diff --git a/ssl/ssl_asn1.c b/ssl/ssl_asn1.c
index f8c265cdde77744094f80f7446d42d39ca0ec65e..39d48eabf03b95c07a8cab1312ca941c6e1a2e71 100644 (file)
--- a/ssl/ssl_asn1.c
+++ b/ssl/ssl_asn1.c
@@ -421,7 +421,9 @@ SSL_SESSION *d2i_SSL_SESSION(SSL_SESSION **a, const unsigned char **pp,
         id = 0x02000000L |
             ((unsigned long)os.data[0] << 16L) |
             ((unsigned long)os.data[1] << 8L) | (unsigned long)os.data[2];
-    } else if ((ssl_version >> 8) >= SSL3_VERSION_MAJOR) {
+    } else if ((ssl_version >> 8) == SSL3_VERSION_MAJOR
+        || (ssl_version >> 8) == DTLS1_VERSION_MAJOR
+        || ssl_version == DTLS1_BAD_VER) {
         if (os.length != 2) {
             c.error = SSL_R_CIPHER_CODE_WRONG_LENGTH;
             c.line = __LINE__;