Treat handshake_failure in response to ClientHello special.

Add a dedicated error code to the queue for a handshake_failure alert in
response to ClientHello. This matches NSS's client behavior and gives a better
error on a (probable) failure to negotiate initial parameters.

BUG=https://crbug.com/446505

Change-Id: I34368712085a6cbf0031902daf2c00393783d96d
Reviewed-on: https://boringssl-review.googlesource.com/2751
Reviewed-by: Adam Langley <agl@google.com>
This commit is contained in:
David Benjamin 2015-01-06 12:03:19 -05:00 committed by Adam Langley
parent 2be62c304c
commit 780d6dd0fe
4 changed files with 22 additions and 0 deletions

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@ -2736,6 +2736,7 @@ OPENSSL_EXPORT void ERR_load_SSL_strings(void);
#define SSL_R_SESSION_MAY_NOT_BE_CREATED 442
#define SSL_R_INVALID_SSL_SESSION 443
#define SSL_R_BAD_ALERT 444
#define SSL_R_HANDSHAKE_FAILURE_ON_CLIENT_HELLO 445
#define SSL_R_SSLV3_ALERT_CLOSE_NOTIFY 1000
#define SSL_R_SSLV3_ALERT_UNEXPECTED_MESSAGE 1010
#define SSL_R_SSLV3_ALERT_BAD_RECORD_MAC 1020

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@ -748,6 +748,18 @@ int ssl3_get_server_hello(SSL *s) {
SSL_GET_MESSAGE_HASH_MESSAGE, &ok);
if (!ok) {
uint32_t err = ERR_peek_error();
if (ERR_GET_LIB(err) == ERR_LIB_SSL &&
ERR_GET_REASON(err) == SSL_R_SSLV3_ALERT_HANDSHAKE_FAILURE) {
/* Add a dedicated error code to the queue for a handshake_failure alert
* in response to ClientHello. This matches NSS's client behavior and
* gives a better error on a (probable) failure to negotiate initial
* parameters. Note: this error code comes after the original one.
*
* See https://crbug.com/446505. */
OPENSSL_PUT_ERROR(SSL, ssl3_get_server_hello,
SSL_R_HANDSHAKE_FAILURE_ON_CLIENT_HELLO);
}
return n;
}

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@ -314,6 +314,7 @@ const ERR_STRING_DATA SSL_error_string_data[] = {
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_GOT_CHANNEL_ID_BEFORE_A_CCS), "GOT_CHANNEL_ID_BEFORE_A_CCS"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_GOT_NEXT_PROTO_BEFORE_A_CCS), "GOT_NEXT_PROTO_BEFORE_A_CCS"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_GOT_NEXT_PROTO_WITHOUT_EXTENSION), "GOT_NEXT_PROTO_WITHOUT_EXTENSION"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HANDSHAKE_FAILURE_ON_CLIENT_HELLO), "HANDSHAKE_FAILURE_ON_CLIENT_HELLO"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HANDSHAKE_RECORD_BEFORE_CCS), "HANDSHAKE_RECORD_BEFORE_CCS"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HTTPS_PROXY_REQUEST), "HTTPS_PROXY_REQUEST"},
{ERR_PACK(ERR_LIB_SSL, 0, SSL_R_HTTP_REQUEST), "HTTP_REQUEST"},

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@ -556,6 +556,14 @@ var testCases = []testCase{
shouldFail: true,
expectedError: ":WRONG_SSL_VERSION:",
},
{
name: "NoSharedCipher",
config: Config{
CipherSuites: []uint16{},
},
shouldFail: true,
expectedError: ":HANDSHAKE_FAILURE_ON_CLIENT_HELLO:",
},
}
func doExchange(test *testCase, config *Config, conn net.Conn, messageLen int, isResume bool) error {