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remote: Don't leak gnutls session on negotiation error

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This commit is contained in:
Matthias Bolte 2011-03-26 16:43:44 +01:00
parent 42a0fc39c1
commit 4cb5044dcb
1 changed files with 17 additions and 7 deletions
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24
src/remote/remote_driver.c
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@ -1331,6 +1331,7 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
GNUTLS_CRT_OPENPGP,
0
};
bool success = false;
int err;
gnutls_session_t session;
@ -1350,7 +1351,7 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
remoteError(VIR_ERR_GNUTLS_ERROR,
_("unable to set TLS algorithm priority: %s"),
gnutls_strerror (err));
return NULL;
goto cleanup;
}
err =
gnutls_certificate_type_set_priority (session,
@ -1359,7 +1360,7 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
remoteError(VIR_ERR_GNUTLS_ERROR,
_("unable to set certificate priority: %s"),
gnutls_strerror (err));
return NULL;
goto cleanup;
}
/* put the x509 credentials to the current session
@ -1369,7 +1370,7 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
remoteError(VIR_ERR_GNUTLS_ERROR,
_("unable to set session credentials: %s"),
gnutls_strerror (err));
return NULL;
goto cleanup;
}
gnutls_transport_set_ptr (session,
@ -1391,13 +1392,14 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
remoteError(VIR_ERR_GNUTLS_ERROR,
_("unable to complete TLS handshake: %s"),
gnutls_strerror (err));
return NULL;
goto cleanup;
}
/* Verify certificate. */
if (verify_certificate (conn, priv, session) == -1) {
VIR_DEBUG0("failed to verify peer's certificate");
if (!no_verify) return NULL;
if (!no_verify)
goto cleanup;
}
/* At this point, the server is verifying _our_ certificate, IP address,
@ -1413,13 +1415,13 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
remoteError(VIR_ERR_GNUTLS_ERROR,
_("unable to complete TLS initialization: %s"),
gnutls_strerror (len));
return NULL;
goto cleanup;
}
if (len != 1 || buf[0] != '\1') {
remoteError(VIR_ERR_RPC, "%s",
_("server verification (of our certificate or IP "
"address) failed"));
return NULL;
goto cleanup;
}
#if 0
@ -1427,6 +1429,14 @@ negotiate_gnutls_on_connection (virConnectPtr conn,
print_info (session);
#endif
success = true;
cleanup:
if (!success) {
gnutls_deinit(session);
session = NULL;
}
return session;
}