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Diffstat (limited to 'lib/libutee/tee_socket_pta.c')
| -rw-r--r-- | lib/libutee/tee_socket_pta.c | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/lib/libutee/tee_socket_pta.c b/lib/libutee/tee_socket_pta.c new file mode 100644 index 0000000..ddb4fb7 --- /dev/null +++ b/lib/libutee/tee_socket_pta.c @@ -0,0 +1,182 @@ +/* + * Copyright (c) 2016-2017, Linaro Limited + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are met: + * + * 1. Redistributions of source code must retain the above copyright notice, + * this list of conditions and the following disclaimer. + * + * 2. Redistributions in binary form must reproduce the above copyright notice, + * this list of conditions and the following disclaimer in the documentation + * and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#include <pta_socket.h> +#include <string.h> +#include <tee_internal_api.h> +#include <__tee_tcpsocket_defines.h> +#include <__tee_udpsocket_defines.h> + +#include "tee_socket_private.h" + +static TEE_Result invoke_socket_pta(uint32_t cmd_id, uint32_t param_types, + TEE_Param params[TEE_NUM_PARAMS]) +{ + static TEE_TASessionHandle sess = TEE_HANDLE_NULL; + static const TEE_UUID socket_uuid = PTA_SOCKET_UUID; + + if (sess == TEE_HANDLE_NULL) { + TEE_Result res = TEE_OpenTASession(&socket_uuid, 0, 0, NULL, + &sess, NULL); + + if (res != TEE_SUCCESS) + return res; + } + + return TEE_InvokeTACommand(sess, 0, cmd_id, param_types, params, NULL); +} + +TEE_Result __tee_socket_pta_open(TEE_ipSocket_ipVersion ip_vers, + const char *addr, uint16_t port, + uint32_t protocol, uint32_t *handle) +{ + TEE_Result res; + uint32_t param_types; + TEE_Param params[TEE_NUM_PARAMS]; + + param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_MEMREF_INPUT, + TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_VALUE_OUTPUT); + memset(params, 0, sizeof(params)); + + switch (ip_vers) { + case TEE_IP_VERSION_DC: + case TEE_IP_VERSION_4: + case TEE_IP_VERSION_6: + params[0].value.a = ip_vers; + break; + default: + return TEE_ERROR_BAD_PARAMETERS; + } + + params[0].value.b = port; + + if (!addr) + return TEE_ERROR_BAD_PARAMETERS; + params[1].memref.buffer = (void *)addr; + params[1].memref.size = strlen(addr) + 1; + + switch (protocol) { + case TEE_ISOCKET_PROTOCOLID_TCP: + case TEE_ISOCKET_PROTOCOLID_UDP: + params[2].value.a = protocol; + break; + default: + return TEE_ERROR_BAD_PARAMETERS; + } + + res = invoke_socket_pta(PTA_SOCKET_OPEN, param_types, params); + if (res == TEE_SUCCESS) + *handle = params[3].value.a; + return res; +} + +TEE_Result __tee_socket_pta_close(uint32_t handle) +{ + uint32_t param_types; + TEE_Param params[TEE_NUM_PARAMS]; + + param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_NONE, TEE_PARAM_TYPE_NONE, + TEE_PARAM_TYPE_NONE); + memset(params, 0, sizeof(params)); + + params[0].value.a = handle; + return invoke_socket_pta(PTA_SOCKET_CLOSE, param_types, params); +} + +TEE_Result __tee_socket_pta_send(uint32_t handle, const void *buf, + uint32_t *len, uint32_t timeout) +{ + TEE_Result res; + uint32_t param_types; + TEE_Param params[TEE_NUM_PARAMS]; + + param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_MEMREF_INPUT, + TEE_PARAM_TYPE_VALUE_OUTPUT, + TEE_PARAM_TYPE_NONE); + memset(params, 0, sizeof(params)); + + params[0].value.a = handle; + params[0].value.b = timeout; + + params[1].memref.buffer = (void *)buf; + params[1].memref.size = *len; + + res = invoke_socket_pta(PTA_SOCKET_SEND, param_types, params); + *len = params[2].value.a; + return res; +} + +TEE_Result __tee_socket_pta_recv(uint32_t handle, void *buf, uint32_t *len, + uint32_t timeout) + +{ + TEE_Result res; + uint32_t param_types; + TEE_Param params[TEE_NUM_PARAMS]; + + param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_MEMREF_OUTPUT, + TEE_PARAM_TYPE_NONE, TEE_PARAM_TYPE_NONE); + memset(params, 0, sizeof(params)); + + params[0].value.a = handle; + params[0].value.b = timeout; + + params[1].memref.buffer = buf; + params[1].memref.size = *len; + + res = invoke_socket_pta(PTA_SOCKET_RECV, param_types, params); + *len = params[1].memref.size; + return res; +} + +TEE_Result __tee_socket_pta_ioctl(uint32_t handle, uint32_t command, void *buf, + uint32_t *len) +{ + TEE_Result res; + uint32_t param_types; + TEE_Param params[TEE_NUM_PARAMS]; + + param_types = TEE_PARAM_TYPES(TEE_PARAM_TYPE_VALUE_INPUT, + TEE_PARAM_TYPE_MEMREF_INOUT, + TEE_PARAM_TYPE_NONE, TEE_PARAM_TYPE_NONE); + memset(params, 0, sizeof(params)); + + params[0].value.a = handle; + params[0].value.b = command; + + params[1].memref.buffer = buf; + params[1].memref.size = *len; + + res = invoke_socket_pta(PTA_SOCKET_IOCTL, param_types, params); + *len = params[1].memref.size; + return res; +} |