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wininet: Fixed race in SSL connection handling.

This commit is contained in:
Jacek Caban 2011-01-19 20:16:02 +01:00 committed by Alexandre Julliard
parent 227efbbf65
commit 59bcbb2d8b
1 changed files with 29 additions and 27 deletions
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56
dlls/wininet/netconnection.c
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@ -368,7 +368,7 @@ static int netconn_secure_verify(int preverify_ok, X509_STORE_CTX *ctx)
DWORD NETCON_init(WININET_NETCONNECTION *connection, BOOL useSSL)
{
connection->useSSL = FALSE;
connection->useSSL = useSSL;
connection->socketFD = -1;
if (useSSL)
{
@ -544,10 +544,7 @@ void NETCON_unload(void)
BOOL NETCON_connected(WININET_NETCONNECTION *connection)
{
if (connection->socketFD == -1)
return FALSE;
else
return TRUE;
return connection->socketFD != -1;
}
/* translate a unix error code into a winsock one */
@ -625,7 +622,7 @@ DWORD NETCON_create(WININET_NETCONNECTION *connection, int domain,
int type, int protocol)
{
#ifdef SONAME_LIBSSL
if (connection->useSSL)
if (connection->ssl_s)
return ERROR_NOT_SUPPORTED;
#endif
@ -647,13 +644,11 @@ DWORD NETCON_close(WININET_NETCONNECTION *connection)
if (!NETCON_connected(connection)) return ERROR_SUCCESS;
#ifdef SONAME_LIBSSL
if (connection->useSSL)
if (connection->ssl_s)
{
pSSL_shutdown(connection->ssl_s);
pSSL_free(connection->ssl_s);
connection->ssl_s = NULL;
connection->useSSL = FALSE;
}
#endif
@ -671,26 +666,26 @@ DWORD NETCON_close(WININET_NETCONNECTION *connection)
*/
DWORD NETCON_secure_connect(WININET_NETCONNECTION *connection, LPWSTR hostname)
{
void *ssl_s;
DWORD res = ERROR_NOT_SUPPORTED;
#ifdef SONAME_LIBSSL
/* can't connect if we are already connected */
if (connection->useSSL)
if (connection->ssl_s)
{
ERR("already connected\n");
return ERROR_INTERNET_CANNOT_CONNECT;
}
connection->ssl_s = pSSL_new(ctx);
if (!connection->ssl_s)
ssl_s = pSSL_new(ctx);
if (!ssl_s)
{
ERR("SSL_new failed: %s\n",
pERR_error_string(pERR_get_error(), 0));
res = ERROR_OUTOFMEMORY;
goto fail;
return ERROR_OUTOFMEMORY;
}
if (!pSSL_set_fd(connection->ssl_s, connection->socketFD))
if (!pSSL_set_fd(ssl_s, connection->socketFD))
{
ERR("SSL_set_fd failed: %s\n",
pERR_error_string(pERR_get_error(), 0));
@ -698,38 +693,37 @@ DWORD NETCON_secure_connect(WININET_NETCONNECTION *connection, LPWSTR hostname)
goto fail;
}
if (!pSSL_set_ex_data(connection->ssl_s, hostname_idx, hostname))
if (!pSSL_set_ex_data(ssl_s, hostname_idx, hostname))
{
ERR("SSL_set_ex_data failed: %s\n",
pERR_error_string(pERR_get_error(), 0));
res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
goto fail;
}
if (!pSSL_set_ex_data(connection->ssl_s, conn_idx, connection))
if (!pSSL_set_ex_data(ssl_s, conn_idx, connection))
{
ERR("SSL_set_ex_data failed: %s\n",
pERR_error_string(pERR_get_error(), 0));
res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
goto fail;
}
if (pSSL_connect(connection->ssl_s) <= 0)
if (pSSL_connect(ssl_s) <= 0)
{
res = (DWORD_PTR)pSSL_get_ex_data(connection->ssl_s, error_idx);
res = (DWORD_PTR)pSSL_get_ex_data(ssl_s, error_idx);
if (!res)
res = ERROR_INTERNET_SECURITY_CHANNEL_ERROR;
ERR("SSL_connect failed: %d\n", res);
goto fail;
}
connection->useSSL = TRUE;
connection->ssl_s = ssl_s;
return ERROR_SUCCESS;
fail:
if (connection->ssl_s)
if (ssl_s)
{
pSSL_shutdown(connection->ssl_s);
pSSL_free(connection->ssl_s);
connection->ssl_s = NULL;
pSSL_shutdown(ssl_s);
pSSL_free(ssl_s);
}
#endif
return res;
@ -776,6 +770,10 @@ DWORD NETCON_send(WININET_NETCONNECTION *connection, const void *msg, size_t len
else
{
#ifdef SONAME_LIBSSL
if(!connection->ssl_s) {
FIXME("not connected\n");
return ERROR_NOT_SUPPORTED;
}
if (flags)
FIXME("SSL_write doesn't support any flags (%08x)\n", flags);
*sent = pSSL_write(connection->ssl_s, msg, len);
@ -810,6 +808,10 @@ DWORD NETCON_recv(WININET_NETCONNECTION *connection, void *buf, size_t len, int
else
{
#ifdef SONAME_LIBSSL
if(!connection->ssl_s) {
FIXME("not connected\n");
return ERROR_NOT_SUPPORTED;
}
*recvd = pSSL_read(connection->ssl_s, buf, len);
/* Check if EOF was received */
@ -852,7 +854,7 @@ BOOL NETCON_query_data_available(WININET_NETCONNECTION *connection, DWORD *avail
else
{
#ifdef SONAME_LIBSSL
*available = pSSL_pending(connection->ssl_s);
*available = connection->ssl_s ? pSSL_pending(connection->ssl_s) : 0;
#endif
}
return TRUE;
@ -864,7 +866,7 @@ LPCVOID NETCON_GetCert(WININET_NETCONNECTION *connection)
X509* cert;
LPCVOID r = NULL;
if (!connection->useSSL)
if (!connection->ssl_s)
return NULL;
cert = pSSL_get_peer_certificate(connection->ssl_s);
@ -885,7 +887,7 @@ int NETCON_GetCipherStrength(WININET_NETCONNECTION *connection)
#endif
int bits = 0;
if (!connection->useSSL)
if (!connection->ssl_s)
return 0;
cipher = pSSL_get_current_cipher(connection->ssl_s);
if (!cipher)